A keystone species is..

A species that plays a very important role in its community.

What does the Carbon cycle refer to?

The way carbon changes as it moves in the environment

What are the Main Responsibilities of the Digestive System

Digestion, Excretion, Ingestion, Absorption

What is the structure of DNA?

Phosphate, Deoxyribose, Nitrogen base

Number ecological pyramids measure _____.

Number of individuals at each level

movement of solvent (e.g. water) molecules

Which of the following best describes evolution?

Cumulative change in heritable characterics of a population

What is the global warming?

Is the long-term rise in the average temperature of the Earth

What is a keystone species?

Species that has an unusually large effect on its ecosystem.

What is Simple Diffusion?

Movement of molecules from High to Low concentration

What is an animal adaptation?

A feature of an animal that helps it to survive.

A trophic cascade ...

Goes from top of the food chain to the bottom.

What is not the effect of ocean acidification

Ocean acidification helps marine organism to grow faster.

After the sun, where does a food chain start?

with plants that make their own food

Osmosis is the movement of water from

a low to high solute concentration

What is the purpose of the digestive system?

To process food to provide nutrients for cells

A trophic cascade is...

When a top predator affects the trophic levels below

What does respiration have to do with the carbon cycle?

It releases carbon into the air.

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Africa & Homeostasis

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Questions 43

Answers

1
A keystone species is..
where 1 species benefits, while the other species is harmed.
a relationship in which both species benefit.
where 1 species benefits and the other species doesn't.
A species that plays a very important role in its community.
2
What does the Carbon cycle refer to?
The element carbon from the periodic table
The processing of carbon films in old cameras
The way carbon changes as it moves in the environment
The development of the Earth prior to the presence of oxygen
3
4.Identify the part of digestive system
Liver
Kidney
Small intestine
Stomach
4
What's a cause to ocean acidification
Deforestation
Burning of Fossil Fuels
Loss of Biodiversity
All of the Above
5
What are the Main Responsibilities of the Digestive System
Digestion
Excretion
Ingestion
Absorption
6
What are your genes are made of?
DNA
Spandex
Cotton
RNA
7
What is the structure of DNA?
Sugar, Alleles, Genomes
Tymine, Cytosine, Genes
Phosphate, Alleles, Deoxyribose
Phosphate, Deoxyribose, Nitrogen base
8
Different versions of genes are called
punnett squares
9
Alleles
Blue
9
Number ecological pyramids measure _____.
Mass of individuals at each level
Energy contained at each trophic level
Number of individuals at each level
10
What is osmosis?
movement of solvent (e.g. water) molecules
movement of molecules
none of the above
movement of solute molecules
11
The keystone species hypothesis was first proposed by whom?
Aldo Leopold
Robert T. Paine
Michael Soule
E. O. Wilson
12
The green house effect causes
cooling of Earth
warming of Earth
plants grow
13
Which of the following best describes evolution?
Cumulative change in heritable characterics of a population
Cumulative change in observable characterics of a population
Cumulative change in heritable characterics of a species
Cumulative change in observable characterics of a species
14
What is the global warming?
Is the long-term rise in the average temperature of the Earth
Means that the world is going to explode
That the world is on fire
Means that the oceans are going to disappear
15
What is a keystone species?
What is a keystone species??
Species that has an unusually large effect on its ecosystem.
Area provides an organism with its basic needs for survival.
16
What is Simple Diffusion?
Movement of molecules from through transporter proteins
Movement of molecules from High to Low concentration
No movement of molecules
Movement of from Low to High concentration
17
What is an animal adaptation?
A feature of animal that helps it to exercise.
A feature of an animal that helps it to survive.
A feature of an animal that helps it to relax.
18
What do arrows in a food chain represent?
Transfer of energy
Map Directions
Who eats who
Smaller to bigger animal
19
A trophic cascade ...
Goes from bottom of food chain to the top.
Is a waterfall.
Is a type of tropic rainforest.
Goes from top of the food chain to the bottom.
20
Who is at the top of the food chain?
leaf
mongoose
chameleon
snake
21
What will be affected by ocean acidification?
Coral, Oysters, Zooplankton
Cows, Fish, Coral
Fish, Zooplankton, Horses
Oysters, Dogs, Cats
22
What does DNA stand for?
Deoxy Nucleic Acid
Deoxyribonucleic Acid
Deoxyribose Nucleic Acid
23
What is not the effect of ocean acidification
Ocean acidification helps marine organism to grow faster.
Ocean acidification kills marine organism.
Ocean acidification makes marine organism grow slowly.
24
Diffusion is Active transport
False
True
25
Removing which organism would cause a trophic cascade?
Grasshopper
Snake
Mouse
Eagle
26
All of these are steps in the nitrogen cycle EXCEPT...
Nitrogen fixation
Infiltration
Absorption by plants
Decomposition of dead organic matter
27
What is bigger, a chromosome or a gene?
Gene
Chromosome
28
After the sun, where does a food chain start?
With plants that eat other plants
with plants that make their own food
with animals that eat plants
29
Osmosis is the movement of water from
who cares my brain hurts!
a low to high solute concentration
a high to low solute concentration
a low to high water concentration
30
What part is the digestive system is this?
Small Intestine
Stomach
Large Intestine
Oesophagus
31
Does this karyotype belong to a male or female?
Male
Female
32
Carnivores generally have longer guts than herbivores.
False
True
33
What is the purpose of the digestive system?
To take in air and filter the oxygen for cells to use
To control the body
To send signals around the body
To process food to provide nutrients for cells
34
A trophic cascade is...
When fish swim down waterfalls
When a change to the producer affects the trophic levels above
When a top predator affects the trophic levels below
When an animal changes water patterns
35
What does the DNA structure look like?
Double Cereal
A Twisted Pipe
10 Ladders
Double Helix
36
DNA is ____ stranded, while RNA is ____ stranded.
double; double
triple; double
double; single
single; double
37
A female karyotype only has ?
One X & one Y chromosome
Cell cycle
DNA & Protein
Two X chromosomes
38
What causes global warming?
The Sun
Water
The Earth
Green House Gases
39
Identify the herbivore in the food chain below.
snake
grass
mouse
hawk
40
What are some biological impacts of ocean acidification
loss of coral reefs (death of coral)
Decreased fish population and food supplies
reduced populations/species in the marine food web
All of these
41
What does respiration have to do with the carbon cycle?
It is a type of carbon atom.
It turns water into ice.
It is step three.
It releases carbon into the air.
42
Photosynthesis Equation
6H3O + 6O2 --> C6H12O6 + 6O2
6H2O + 6O2 ---> C6H12O2 + 6O2
6H2O + 6O2 ---> C6H12O6 + 6O2
H2O + O2 ---> C6H12O6 + O2
43
What can lightning do, in terms of the nitrogen cycle?
Provide great photographs for photographers
Make photosynthesis occur faster
Provide one billion volts of electricity
Break a triple covalent bond

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