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AQA Biology paper 2 Combined H 2025 Flashcards | StudBud
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AQA Biology paper 2 Combined H 2025
AQA Biology paper 2 Combined H 2025
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1
Why do animals in warm conditions tend to be small?
HAVE A LARGE SURFACE AREA TO VOLUME RATIO REDUCE HEAT LOSS
HAVE A SMALL SURFACE AREA TO VOLUME RATIO REDUCE HEAT LOSS
2
Based on the full Linnean classification of humans what order to humans belong?
Homo
Animalia
Chordata
Primate
3
Which statement about blood glucose regulation is true?
glucagon is released when blood glucose concentrationis low
glycogen is released when blood glucose concentration is low
glycogen is released when blood glucose concentrationis high
glucagon is released when blood glucose concentration is high
4
Why do people not like GM food?
The gene might transfer into wild organisms
It might effect human health
It doesn't taste as good
The genes cost lots of money
5
The Central Nervous System includes ...
Brain and spinal cord.
Brain and nerves.
Axons and synapses.
Glands around the body.
6
Which is a BIOTIC factor that can cause changes in the distribution of organisms in a habitat?
CHANGES IN LIGHT INTENSITY
CHANGES IN AMOUNT OF RAINFALL
CHANGES IN THE NUMBERS OF COMPETITORS
CHANGES IN AVERAGE TEMPERATURES
7
What is fertilisation?
Cell division
Sex
When the sperm and egg touch
The fusion of two gamete nuclei
8
What can cause a species to become separated?
Breakable love
Mountain ranges
River
Volcanic eruption
9
The largest and most inclusive of the Linnean taxonomic ranks is the
phylum
kingdom
order
domain
10
What is speciation?
A fancy word for species
When a species dies and the others become stronger
The formation of a new species
11
What is 'classification'?
A way of helping animals
A method of grouping things
A type of animal
A way of separating mixtures
12
Selective breeding is the process by which humans...
...breed organisms to play God
...breed organisms for fun
...breed organisms to make reproduction quicker
...breed organisms for particular characteristics
13
Name the part of the neurone.
Axon terminals
Cell body
Nucleus
Myelin sheath
14
What percentage of your genes come from your mother?
50%
25%
75%
100%
15
Which endocrine glands are positioned on top of the kidney?
thyroid
pituitary
adrenal
testes
16
What name is given to genetically identical offspring from the same parents?
Daughters
Siblings
Clones
Twins
17
Suggest 1 characteristic that might be chosen for flowering plants to be sold in garden centres
Bad smell
Large flowers
Thorns
Colourful flowers
18
How does being poisonous / bad tasting help an organism survive?
THE ORGANISM BLENDS IN WITH ITS SURROUNDINGS
WILL TASTE UNPLEASANT SO PREDATOR WILL NOT ATTACK SAME PREY
ORGANISM PRETENDS TO BE SOMETHING ELSE TO CONFUSE PREDATORS
THEY HURT A PREDATOR WHEN THEY TRY AND EAT IT
19
Which organ is the
effector
in the control of blood glucose regulation
pancreas
muscles
liver
intestines
20
In which of the following are the Linnean ranks in correct order?
kingdom, phylum, class
order, class, family
phylum, kingdom, species
genus, order, family
21
What is natural selection?
The theory that all animals have the same ancestor.
The theory that God created animals.
Organisms better adapted to their environment survive.
Organisms that aren't adapted to their environment survive.
22
Which of these is a disorder of the membranes where the sufferer produces thick mucus?
Porphyria
Huntington's disease
Cystic fibrosis
Sickle cell anaemia
23
How does mimicry help a prey organism to survive?
THE ORGANISM BLENDS IN WITH ITS SURROUNDINGS
THEY HURT A PREDATOR WHEN THEY TRY AND EAT IT
PREY ARE MORE LIKELY TO ESCAPE PREDATORS
ORGANISM PRETENDS TO BE SOMETHING ELSE TO CONFUSE PREDATORS
24
What can affect the distribution of organisms in a habitat?
THE WEATHER
REDUCED BIODIVERSITY
CHANGES IN THE ENVIRONMENT
THE NUMBER OF DIFFERENT ORGANISMS WITHIN A HABITAT
25
Which is an ABIOTIC factor that can cause changes in the distribution of organisms in habitats?
CHANGES IN THE NUMBERS OF PREY/FOOD
CHANGES IN THE NUMBERS OF PREDATORS
COMPETITION
CHANGES IN AVERAGE TEMPERATURES
26
How are dominant alleles represented?
With an X
With a superscript letter
With a CAPITAL letter
With a subscript letter
27
Which of the automatic response system uses chemical molecules to communicate?
respiratory system
nervous system
endocrine system
circulatory system
28
When is progesterone released during the menstrual cycle?
days 14-28
days 5-14
day 14
days 1-5
29
What does it mean if data is reproducible?
SOMEONE ELSE CAN DO THE EXPERIMENT AND GET SIMILAR RESULTS
ALL THE RESULT ARE ALWAYS THE SAME
YOU CAN DO THE EXPERIMENT AGAIN AND GET SIMILAR RESULTS
MAKING THE RESULTS UP
30
How many chromosomes are there in a human body cell?
42
23
46
24
31
_______ is the
variety of different species
of
organisms
on Earth, or within an ecosystem.
Community
Waste management
Population
Biodiversity
32
How do plants compete successfully for water and nutrients?
BY GROWING TALLER AND FASTER THAN OTHER PLANTS
BY SPREADING THEIR SEEDS FAR AWAY FROM THE PARENT PLANT
HAVING BIGGER LEAVES
HAVING LONGER, MORE SPREAD OUT ROOTS
33
What are abiotic factors?
Factors that will not affect population sizes
Factors that are great for diversity
Non-living factors of the environment e.g. temperature/pH
Living factors of the environment e.g. food/new predators
34
Which is an abiotic factor that can affect the distribution of organisms:
Light intensity
Competition
Availability of food
New predators
35
What are the four bases of DNA called?
Adenine, Cytosine, Guanine and Thymine
Adenine, Cytosine, Guanine and Thyrosine
Adenine, Cerine, Guanine and Thyrosine
Uracil, Cytosine, Guanine and Thymine
36
What is stored in a camels hump?
FAT
WATER
FOOD
37
In a reflex arc the order of neurones is:
sensory,relay, motor
sensory, relay, motor
motor, relay, sensory
relay,sensory, motor
38
What is natural selection?
Organisms better adapted to their environment survive.
Organisms that aren't adapted to their environment survive.
The theory that all animals have the same ancestor.
The theory that God created animals.
39
What air pollutants cause acid rain?
Nitrogen dioxide and carbon dioxide
Sulphur Dioxide and Nitrogen Oxide
Carbon dioxide and methane
Sulphur dioxide and carbon dioxide
40
What are the 3 types of adaptations?
Behavioural, general and specific
Functional, general and specific
Behavioural, structural and functional
Structural, general and specific
41
How many cell divisions are involved in mitosis and meiosis?
One in meiosis and two in mitosis
Two in both
Four in meiosis and two in mitosis
Two in meiosis and one in mitosis
42
More
people,
more
mess,
less
space,
fewer
_____
Resources
Space
Problems
Waste
43
What does a genotype of Bb indicate?
The child has brown hair
The offspring is a disease carrier
The individual is a heterozygote
The child has blonde hair
44
Which best describes the effects of the nervous system?
they are slower and short lived
they are slower and long lived
they are faster and short lived
they are faster and long lived
45
What is a resistant bacteria?
one that is not affected by acids
one that can resist being squashed
one that can resist an attack by a bacteriophage virus
one that is not affected by antibiotics
46
What are hormones?
Chemical messengers.
Salts.
Lipid messengers.
Electrical signals.
47
What is a habitat?
The place where an animal/plant lives
A group of animals and plants living together in a habitat
A group of animals of the same species
The interaction of a habitat (non living) and a community (living)
48
What is the function of the endocrine system?
to engulf, destroy and digest microbes
to produce hormones or chemical messengers
to secret blood faster in the arteries
to secret digestive enzymes in the stomach
49
Once you have collected data using one transect line what should you do?
REPEAT WITH ANOTHER TRANSECT LINE FURTHER ALONG THE HABITAT
THROW MORE QUADRATS TO CALCUALTE AN AVERAGE
REPEAT THE TRANSECT LINE TO CALCULATE AN AVERAGE
REPEAT WITH THE SAME TRANSECT LINE
50
Why is it important that seeds have space?
SO THEY DON'T HAVE TO COMPETE WITH OTHER PLANTS
SO THEY HAVE ENOUGH ROOM TO GROW
51
Which organ is the
coordinator
in the control of blood glucose regulation
pancreas
liver
muscles
intestines
52
Which is a BIOTIC factor that can cause changes in the distribution of organisms in a habitat?
CHANGES IN THE NUMBERS OF PREY/FOOD
CHANGES IN LIGHT INTENSITY
CHANGES IN AVAILABILITY OF CARBON DIOXIDE
CHANGES IN AVAILABILITY OF OXYGEN
53
Which is a BIOTIC factor that can cause changes in the distribution of organisms in a habitat?
CHANGES IN LIGHT INTENSITY
CHANGES IN AMOUNT OF RAINFALL
CHANGES IN AVERAGE TEMPERATURES
COMPETITION
54
What effect does Diabetes have on the circulatory system?
Creates blood clotting.
Makes it hard for the blood to flow through the heart causing heart problem
Damages blood vessels, nerves and narrows arteries, causing heart disease
Damages blood cells and interrupts the blood flow.
55
A reflex action ....
is voluntary
is fast, automatic and protective
involves the brain
56
The carbon cycle is:
the movement of CO2 between the atmosphere, land, oceans & living things
the movement of water between the atmosphere, land, oceans & living things
the movement of gases between the atmosphere, land, oceans & living things
the movement of carbon between the atmosphere, land, oceans & living things
57
How does auxin move through the plant?
By active transport
By diffusion.
Through xylem.
By osmosis.
58
When is LH released during the menstrual cycle?
day 14
days 1-5
days 5-14
days 14-28
59
What term means a small change to DNA?
Substitution
Mutation
Addition
Splicing
60
What did Mendel discover about pea plants?
They were pink and white
They were tasty
Some characteristics were not passed on
Some characteristics died
61
What is the role of oestrogen in the menstrual cycle?
It causes ovulation
it maintains the uterus lining
it repairs and builds up the uterus lining
It develops the ovum inside the follicle
62
What part of the homeostatic control system senses water levels in the blood?
stimulus
coordination centre
effector
receptor
63
Selective breeding can lead to 'inbreeding'. Why is this bad?
Less genetic diversity - useful alleles could be lost
The organisms could be unhappy
Likely to have disease
May have more inherited defects
64
Definition of FOSSILS
Traces of organisms that have been preserved into a fossil
preserved remains/traces of organisms that lived the passed
Hard part of organisms that's been turned into a fossil
65
Once the transect line has been placed down on the ground what should you do with the quadrat?
DO NOT USE A QUADRAT
PLACE THE QUADRAT RANDOMLY
DIG UP AROUND THE TRANSECT
PLACE THE QUADRAT AT REGULAR INTERVALS ALONG IT
66
What is a recessive allele?
A gene that doesn't show up
A weak version of a gene
A variant expressed when the dominant allele is not present
A variant that is expressed in a heterozygote
67
Insulin is produced by the
Pancreas
Kidney
Liver
Brain
68
What does the Nervous system do?
Pump blood
Transmit Signals
Allow you to breathe
Digest food
69
Which endocrine gland secretes glucagon?
Ovary
Adrenal gland
Pituitary gland
Pancreas
70
Nervous System is faster than the Endocrine system
False
True
71
What is a gamete?
Pollen or stigma
An organ making sex cells
A body cell
A sex cell
72
Insulin is....
a disease.
a type of sugar.
a hormone.
a cell.
73
What other adaptations do animals in cold climates tend to have?
WIDE FEET
NOCTURNAL
SMALL EARS
LARGE EARS
74
Why are siblings from sexual reproduction not identical?
They have different parents
Environmental variation & different combinations of alleles
They receive different alleles
They grow up in different places
75
Reflex
Exercise
Strong
a response made without thought
Acrobatics
76
A motor neurone
takes messages from a receptor into the CNS
takes messages from the CNS to an effector
takes messages from the CNS to a receptor
takes messages from an effector to the CNS
77
A reflex arc does not require
interneuron
motor neurons
sensory neurons
the brain
78
Suggest a desirable characteristic that dairy farmers may wish to select for in their herd.
High milk yield
Big cows
High in calcium
High or low milk fat
79
What is an allele?
An extra piece of DNA in bacteria
An identical offspring
An individual with two matching genes
A variant of a gene
80
How do plants obtain space?
HAVING LONGER, MORE SPREAD OUT ROOTS
BY SPREADING THEIR SEEDS FAR AWAY FROM THE PARENT PLANT
HAVING BIGGER LEAVES
BY GROWING TALLER AND FASTER THAN OTHER PLANTS
81
What did Lamarck think happened?
Body parts aren't used & get longer-this is passed on
Extra body parts grew if the animal needed them
Body parts used & get longer-this is passed on to offspring
Humans are descendants from giraffes
82
Which is an ABIOTIC factor that can cause changes in the distribution of organisms in habitats?
CHANGES IN THE NUMBERS OF PREY/FOOD
CHANGES IN THE NUMBERS OF COMPETITORS
CHANGES IN LIGHT INTENSITY
CHANGES IN THE NUMBERS OF PREDATORS
83
Selective breeding is also called...
Human selection
Artificial selection
Cloning
Artificial breeding
84
Our increasing ........... is increasing demands on the environment.
Population
Pollution
Problems
Size
85
What travels across the synapse?
Neurotransmitter chemicals.
Electricity
Hormones
Vesicles
86
What is the role of FSH in the menstrual cycle?
It causes ovulation
it repairs and builds up the uterus lining
It develops the ovum inside the follicle
it maintains the uterus lining
87
Why are bacteria becoming resistant to antibiotics? Because of ......
Pharmaceutical industries
Smart uses of antibiotics
Overuse and misuse of antibiotics
Repeated use of aspirin
88
Pollution
affects
water
,
land
,
air
and
kills plants and animals
, reducing ...................
Pollution
Biodiversity
Communities
Ecosystems
89
What type of adaptation is: Camouflage
Behavioural
Structural
Functional
90
Who was Gregor Mendel?
A scientist
He invented the periodic table
A monk
He liked peas
91
What is an extremophile?
AN ORGANISM THAT CAN SURVIVE AT HIGH ALTITUDE
AN ORGANISM THAT CAN SURVIVE IN COLD TEMPERATURES
AN ORGANISM THAT CAN SURVIVE IN EXTREME CONDITIONS
AN ORGANISM THAT CAN SURVIVE IN HOT TEMPERATURES
92
Which best describes the effects of the endocrine system?
they are slower and long lived
they are faster and long lived
they are faster and short lived
they are slower and short lived
93
What is the distribution of organisms?
A MEASURE OF HOW MANY ORGANISMS THERE ARE
A MEASURE OF AN ORGANISMS NUMBER IN A HABITAT
A MEASURE OF AN ORGANISMS NUMBER IN A PARTICULAR AREA
A MEASURE OF AN ORGANISMS NUMBER IN A COMMUNITY
94
What is the rapid response to a stimuli called?
Reflex system
Reflex arc
Nervous system
Zoom action
95
What is the scientific name given to a line e.g. tape measure, placed across a habitat?
QUADRAT
TRANSECT
POOTER
SAMPLE LINE
96
Which of these is not a source of water waste?
Toxic chemicals
Acid rain
Fertiliser runoff
Sewage
97
Name the part of the neurone.
Myelin sheath
Axon terminals
Axon
Cell body
98
Which of these is correct?
XY humans are female
XX humans are male
XX humans are female
YY humans are male
99
What is a synapse?
A type of neurone
A gap between two neurones
A type of reflex action
The long fibre in a nerve cell
100
How can fertiliser run off (Eutrophication) affect an ecosystem?
Makes the water dirty
It can increase biodiversity due to more plant growth
Algae in ponds and lakes overgrows
Reduces photosynthesis due to chemicals
101
Which scientists developed the theory of evolution?
Lamarck and Wallace
Darwin and Wallace
Mendel and Lamarck
Darwin and Lamarck
102
What type of adaptation is: concentrated urine to preserve water
Structural
Functional
Behavioural
103
Which of these are all properties of asexual reproduction?
Quicker, no gametes, two parents
No fertilisation, involves gametes, one parent
Fertilisation, no gametes, one parent
No fertilisation, no gametes, one parent
104
Why do plants need light?
TO MAKE FOOD
TO PHOTOSYNTHESISE
TO DO RESPIRATION
TO GET A TAN
105
Which word means YOU can do the experiment again and get similar results?
REPRODUCIBLE
ACCURATE
REPEATABLE
RELIABLE
106
Waste pollutes land with toxic chemicals like pesticides and herbicides, which may be washed from the land into water
False
True
107
What chemical are genes made out of?
DNA
Chromosome
Protein
RNA
108
Which neurone carries impulses from the CNS to the effector?
Relay
Sensory
Spinal cord
Motor
109
What are biotic factors?
Non-living factors of the environment e.g. temperature/pH
Living factors of the environment e.g. food/new predators
Factors that are great for diversity
Factors that will not affect population sizes
110
Why do animals in cold conditions tend to be large?
HAVE A SMALL SURFACE AREA TO VOLUME RATIO REDUCE HEAT LOSS
HAVE A LARGE SURFACE AREA TO VOLUME RATIO REDUCE HEAT LOSS
111
What are the three parts of a DNA molecule?
Complementary bases, ribose and phosphate
A sugar, phosphate groups and bases
Deoxyribose, phosphites and amino acids
Ribose, phosphorus and nitrogen
112
What does the liver store?
Glucose
Bile
Glycogen
Glycogen and glucose
113
What do plants compete for in a habitat?
LIGHT, SPACE, MINERALS
LIGHT, SPACE, WATER, NUTRIENT
LIGHT, TERRITORY, WATER
LIGHT, SPACE, WATER, MATES
114
Potatoes have been GM to resist attack by pests.The cells produce toxins.What has been done?
Changed their genome and their phenotype
Changed their phenotype but not their genome
Changed their genome but not their phenotype
Made no changes to their genome or phenotype
115
How can you make sure the placing of the quadrat is random?
CHOOSE WHERE YOU THROW IT
USE GOOGLE MAPS AND PLACE WHERE THERE ARE LOTS OF PLANTS.
CLOSE YOUR EYES AND THROW IT OVER YOUR SHOULDER
USE A COMPUTER GENERATOR TO GENERATE CO-ORDINATES
116
What is the purpose of mitosis and meiosis
Mitosis makes sex cells and meiosis is after fertilisation
Mitosis is for growth and meiosis is for repair
Mitosis makes gametes. Meiosis = growth and repair
Mitosis = growth & repair. Meiosis makes gametes
117
What are the characteristics of a reflex arc?
It is rapid
It is unconcious
It is involuntary
All of the answers
118
A neurone
could be found in the spinal cord or the blood
could be found in the brain or the spinal cord
could be found in the blood
could be found in the brain or the blood
119
Waste water can contain toxic chemicals such as soaps, bleach, fertilisers from lawns, oil and petrol from streets
False
True
120
How many DNA bases make up the "codon" coding for one amino acid?
2
5
3
4
121
How do plants compete successfully for light?
HAVING LONGER, MORE SPREAD OUT ROOTS
BY GROWING TALLER AND FASTER THAN OTHER PLANTS
BY SPREADING THEIR SEEDS FAR AWAY FROM THE PARENT PLANT
HAVING BIGGER LEAVES
122
What is biodiversity?
THE NUMBER OF DIFFERENT ANIMALS WITHIN A HABITAT
THE NUMBER OF DIFFERENT PLANTS WITHIN A HABITAT
THE NUMBER OF DIFFERENT ORGANISMS WITHIN A HABITAT
THE NUMBER OF ORGANISMS WITHIN A HABITAT
123
How do thorns / spines / horns help an organism survive?
PREY ARE MORE LIKELY TO ESCAPE PREDATORS
ORGANISM PRETENDS TO BE SOMETHING ELSE TO CONFUSE PREDATORS
THEY HURT A PREDATOR WHEN THEY TRY AND EAT IT
THE ORGANISM BLENDS IN WITH ITS SURROUNDINGS
124
An effector is...
A change in the environment.
An organ which detects stimuli.
A part of the spinal cord.
A muscle or gland.
125
Where is auxin produced in plants?
In all regions of the plant
In the stems only
At the tips of stems and roots
In leaves only
126
Number three is the neurone that takes the message to the spinal cord and is known as...
Relay Neurone
Main nerve
Motor Neurone
Sensory Neurone
127
What term is given to the alleles an individual has?
Generation
Genome
Genotype
Genus
128
Name the part of the neurone.
Cell body
Axon
Myelin sheath
Axon terminals
129
Why was Darwin's ideas controversial?
The pope didn't like him
There was not enough evidence
Darwin called the pope a monkey
It challenged the idea of God making all living things
130
What is stimuli?
Stimulating Things.
kakaka
Change in environment?
Jwiak
131
When you use a transect what are you looking for in your data?
VALIDITY
THE DATA IS REPRODUCIBLE
THE DATA IS REPEATABLE
PATTERNS
132
Which of these causes extinction?
habitat destruction
Pollution
Over hunting of a species
All of the above
133
Nuerons react to physical stimuli such as__________
light,sound,touch
light,movement,homeostasis
light,listening
all correct
134
Burning of fossil fuels can increase carbon dioxide levels in the atmosphere which can... (BIOLOGY ANSWER)
Change migration patterns of certain species
Cause an increase in plant biodiversity
Lead to an increase in acid rain
135
Which endocrine gland secretes FSH?
Pituitary gland
Pancreas
Adrenal gland
Ovary
136
How does mimicry help a prey organism to survive?
ORGANISM PRETENDS TO BE SOMETHING ELSE TO CONFUSE PREDATORS
THEY HURT A PREDATOR WHEN THEY TRY AND EAT IT
THE ORGANISM BLENDS IN WITH ITS SURROUNDINGS
PREY ARE MORE LIKELY TO ESCAPE PREDATORS
137
Suggest one characteristic that might be chosen for dogs to be kept as pets in families.
Cute
Gentle
Big
Agressive
138
How can an increase in pollution affect biodiversity?
it does not affect biodiversity
IT CAN REDUCE BIODIVERSITY
IT CAN INCREASE BIODIVERSITY
139
How can plants be adapted to prevent them being eaten?
CAMOUFLAGE
MIMICRY
BEING POISONOUS / PRODUCING TOXIC CHEMICALS
HAVING THORNS / SPINES
140
We are also producing more waste, causing ................
Population increase
Pollution
Biodiversity
Waste management
141
fossil record
a element that decays
millions of fossils that scientist have collected
fossils remains
i like ribs
142
What is an ecosystem?
The place where an animal/plant lives
A group of animals of the same species
The interaction of a habitat (non living) and a community (living)
A group of animals and plants living together in a habitat
143
Suggest an advantage of using GM bacteria to produce insulin for treating people with diabetes.
Bacteria can cure diabetes
Can be produced quickly by the bacteria
There are no ethical or religious objections
Can be produced at low cost
144
What is the phenotype?
What you look like
The combination of alleles an individual has
The alleles inherited from the parents
The expressed characteristics
145
What does auxin promote?
Cell crenation.
Cell elongation
Cell shrinkage.
Plant elongation
146
Which is an advantage of hormonal communication compared to nervous communication?
It is longer lasting
It is shorter lived
The response is quicker
The response is slower
147
Which of these
human actions
are reducing biodiversity.
Healthcare
Deforestation
Global warming
Waste production
148
Which is not a neurone?
Relay
Motor
Synapse
Sensory
149
What did Darwin think happened?
Variation in a species.Survival of the fittest.Pass on genes
We were once dinosaurs
Variation in a species. Best adapted survive and reproduce
Variation in a species. Poorly adapted survive and reproduce
150
Name the part of the neurone.
Axon
Cell body
Axon terminals
Dendrites
151
How many chromosomes does a human gamete have?
23
24 pairs
22
24
152
What are raw materials?
Materials taken from or extracted from the Earth
Meat
Newly recycled materials
Only organic materials
153
If you are sampling in a field/large area what is important about where the quadrat is placed?
It needs to be placed carefully
It needs to be placed randomly and repeated
It needs to be placed where there are organisms present
It needs to be placed systematically
154
What other adaptations do animals in warm climates tend to have?
NOCTURNAL
LONG EYELASHES
THICK FUR COAT
SMALL EARS
155
What is a plasmid?
An extra piece of DNA in bacteria
An identical offspring
An individual with two matching genes
A variant of a gene
156
Homeostasis means ...
Organisms that obtain their energy by making their own food.
Chemical reactions that creates energy from the environment.
Organisms that are composed of more than one cell.
Living things keep a stable level of internal conditions.
157
What type of adaptation is: huddling together to stay warm.
Functional
Structural
Behavioural
158
What is the average normal body temperature of humans?
350C
470C
450C
370C
159
What is speciation?
The formation of a new species
When a species dies and the others become stronger
A fancy word for species
160
Which of these is a disease where the sufferer has additional fingers or toes?
Cystic fibrosis
Huntington's disease
Polydactyly
Porphyria
161
What is a community?
A group of animals of the same species
The place where an animal/plant lives
The interaction of a habitat (non living) and a community (living)
A group of animals and plants living together in a habitat
