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Life Science Review
Life Science Review
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life science facts
Flashcards
45 cards
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Practice quiz
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Questions
45
Answers
1
Which system is the heart the main part of?
urinary
circulatory
respiratory
digestive
2
Smooth and cardiac muscle tissue are _______ muscles, while skeletal muscle is a ______ muscle.
veins, capillaries
involuntary, voluntary
voluntary, involuntary
veins, arteries
3
Which part of the cell holds the genes or DNA?
cell membrane
mitochondrion
nucleus
cytoplasm
4
An omnivore eats what?
concrete
meat
plants
dead plants and animals
5
What is the main function of the circulatory system?
to move urea
to move blood and provide for the cells
to move blood
to move methane
6
A heterozygous parent would have the genotype
Tt
tt
Tall
TT
7
Which of these is a biotic factor in an environment?
oxygen
cacti
sunlight
soil
8
What in your blood carries oxygen?
red blood cells
plasma
white blood cells
platelets
9
What cell part provides the energy for the cell?
cell membrane
nucleus
mitochondria
cytoplasm
10
Tall is dominant. Cross heterozygous tall & homozygous short. Probability of tall offspring?
0 %
50%
75%
25%
11
What makes plants green and is also responsible for photosynthesis?
water
chloroplasts
cytoplasm
nucleus
12
What holds all the water in a plant cell?
vacuole
cell membrane
cytoplasm
vesicle
13
Which statement best describes the relationship between the deer and the plants?
Deer supplies food and carbon dioxide to the green plants.
The green plants supply food and oxygen to the deer.
The green plants supply food and carbon dioxide to the deer.
The deer supplies food and oxygen to the green plants.
14
What is the most important part of the urinary system?
kidney
stomach
baldder
ureters
15
Mitosis phases in order
interphase,prophase,anaphase,metaphase,telophase,cytokinesis
prophase, anaphase, metaphase, telophase.
prophase, metaphase, anaphase, telophase.
interphase,prophase,metaphase,anaphase,telophase,cytokinesis
16
These are all evidences that scientist use for evolution
Fossil record,Biology,Embryology,DNA comparison
Fossil record,Selective breeding,Embryology,DNA comparison
Fossil record,Comparative anatomy,Embryology,DNA comparison
17
Herbivores eat what?
dessert
insects
plants
steak
18
A carnivore would eat what?
broccoli
steak and salad
dessert
turkey
19
What is made in photosynthesis?
glucose
water
fertilizer
sunshine
20
heterozygous black coated guinea pig.
Bb
bb
BB
21
Why did Darwin think the finches had different types ofbeaks on each island?
Beaks formed to eat different foods on different island
Had small beaks
Had very large beaks
Ancestors had differensshapes of beaks
22
Which is an example of chemical digestion?
swallowing
our tongue pushing the food to the back of our throats
chewing
saliva breaking down food
23
Where does the respiratory system begin?
heart
mouth or nose
lungs
trachea
24
breed of tomato sweet-tasting, very low quantity of seeds, grows well in hot humid GA climate?
Plant 2 and Plant 3
Plant 1 and Plant 4
Plant 1 and Plant 2
Plant 2 and Plant 4
25
____________ is the primary source of energy entering most food chains.
meat
water
dirt
plants
26
What would happen if the large intestine did not do its job?
your intestines would burst
you would explode
you would be constipated
you would have diarrhea
27
What is the primary purpose of the digestive system?
to keep us from feeling hungry
to put a good taste in our mouth
to give our bodies nutrition
to make us fat
28
What is the primary source of energy for all living things?
oxygen
the sun
water
sugar
29
A homozygous parent could have the genotype
TT
TT or tt
tt
Tt
30
Six Kingdoms?
Trees, Animals, Protists, Fungi, Archaebacteria, Eubacteria
Plants, Animals, Protists, Fungi, Archaebacteria, Bacteria
Plants, Animals, Protists, Fungi, Archaebacteria, Eubacteria
Plants, Dogs, Protists, Fungi, Archaebacteria, Eubacteria
31
What are the two main differences between animal cells and plant cells?
animal cells have a cell wall
animal cell holds more water
only plant cells have a cytoplasm
plant cells have a cell wall and chloroplast
32
What is the main job of the small intestine?
put water back into your blood
it does not have an important job
put nutrients back into your blood
to break down food
33
What is anything that eats or absorbs food called?
consumer
oxygen
sponge
producer
34
All living things are made up of?
tissues
cell membranes
cells
bones
35
What is a group of tissues that work together called?
system
kleenex
organ
tissues
36
Levels of body organization smallest to largest
tissues, organs, cells, organ systems, organism
Cells, tissues, organs, organ systems, organism
organism, cells, tissues, organs, organ systems and
organ systems, organism, cells, tissues, organs
37
What is an example of mechanical digestion?
water moistening food
saliva moistening food
chewing
acids breaking down food
38
What gas will accumulate in your blood if you put a plastic bag over your head?
methane
carbon dioxide
oxygen
diesel
39
How does oxygen reach all parts of the body?
through your lungs
through your blood
through your toes
through your mouth
40
What does photosynthesis do?
gives the plant food
helps in seed dispersal
gets rid of plant waste
gets rid of carbon dioxide
41
Honeyguide bird alerts honey badger to beehive. Badger opens hive for honey/bird eats larvae.
commensalism
predator/prey
parasitism
mutualism
42
What do plants need animals for?
photosynthesis
carbon dioxide
oxygen
water
43
Which 3 things do animals depend on plants for?
shelter, food and carbon dioxide
water, beauty and shelter
food, oxygen and shelter
food, oxygen and carbon dioxide
44
Which cells fights off infection?
white blood cells
killer cells
platelets
pac man
45
What is a group of cells that work together called?
cells
system
tissue
organ
