Chapter 7 Review Question Preview (ID: 38186)


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Which are three examples of structural adaptations?
a) Birds beak, dog barking, cat meowing
b) Birds beak, rabbits ears, dogs teeth
c) Dogs teeth, bird building a nest, rabbit ears
d) Hibernation, birds beak, dogs bark

Which are three types of behavioral adaptations?
a) Bird building a nest, dog growling, cat hissing
b) Dogs teeth, birds beak, cat meow
c) Hibernation, birds beak, dogs bark
d) Cat meow, hibernation, bird building a nest

Name three types of adaptations
a) Hibernation, structural, body processes
b) Structural, behavioral, hibernation
c) Behavioral, body processes, actual
d) Structural, behavioral, body processes

How can a forest fire benefit an ecosystem that contains trees that need high heat to release seeds?
a) It would not be beneficial; the fire would just burn down the trees
b) The fire would offer nutrients to the tree
c) The fire would offer the high heat the tree needs to release seeds for new trees to grow
d) None of the above

Explain how polluting an ecosystem can change the organisms that live there.
a) Pollution does not affect organisms
b) Pollution can change an organism’s environment, which can harm the organism
c) Pollution only affects a small portion of ecosystems so organisms are rarely harmed
d) None of the above

Explain how the amount of water in an ecosystem affects the number of organisms that can live there
a) Limited water will allow a limited number of organisms to survive in that area
b) Water does not affect the number of organisms an area can support
c) Limited water allows more organisms to live in an area
d) None of the above

Where do animals get the nitrogen they need?
a) From the air
b) From the water
c) From the plants they eat or animals that have eaten plants
d) From soil

Why are photosynthesis and respiration very important parts of the carbon cycle?
a) Photosynthesis is not part of the carbon cycle
b) Photosynthesis takes carbon out of the air process it into oxygen and releases it into the air for organisms to breathe
c) Photosynthesis and respiration are not related to the carbon cycle
d) Photosynthesis allows carbon to enter the air which allows organisms to breathe

If different species with the same needs live in the same environment, what will happen?
a) They will share the resources
b) They will compete for the resources
c) They will change what they eat
d) None of the above

Energy decreases in a pyramid as you travel to higher levels. Why?
a) Because the animals have to climb the pyramid
b) Because the energy gets lost somewhere in the pyramid
c) Because the energy just disappears
d) Because the energy gets used by each organism for life processes, so there is less energy from the original source to pass on

What do food chains and food webs have in common?
a) Nothing
b) Both are made of only two to three animals
c) Food chains make up food webs
d) None of the above

What does a food web look like? How would you recognize one?
a) Like a sea sponge, look to see if it is absorbent
b) Like a spider web, you would see many food chains linked together
c) Like a snake, you will see only one food chain in a food web
d) Like a sea sponge, you will see holes all over it

What do we call an organism that gets its energy by breaking down the remains of dead organisms?
a) Decomposers
b) Producers
c) Consumers
d) Activists

If a species cannot adapt to changing conditions in its environment, what will happen?
a) The species numbers will increase
b) The species will begin to die, the numbers will decrease, and the species could possibly become extinct
c) The species will not be affected
d) The species will produce larger numbers of offspring

What makes adaptations occur?
a) New adaptations occur when survival characteristics get passed along from one generation to another due to changing condition
b) Each new generation develops new adaptations
c) Every other offspring will develop an adaptation
d) Only male offspring develop adaptations

What enables an organism to be able to live in a very harsh environment?
a) Its habitat
b) Its nutrients
c) Its location
d) Its adaptations

Why do arctic hares and jackrabbits have different appearances?
a) Because they look different
b) Because they have different names
c) Because they live in different environments and have adapted to their environment
d) Because they eat different food

Name 4 important abiotic factors that would be found in the same ecosystem
a) Water, plants, sunlight, temperature
b) Water, sunlight, soil, air
c) Plants, soil, air, sunlight
d) Soil, temperature, organisms, air

Which are three types of body process adaptations?
a) Hibernation, dog barking, bird building a nest
b) Hibernation, photosynthesis, dog barking
c) Bird building a nest, dog barking, cat meowing
d) Hibernation, photosynthesis, digestion

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