Review 2

What is necessary for life to exist on Earth?

• Water, oxygen, atmosphere, water, nutrients and proximity to the sun

• Water, carbon dioxide, gravity, nutrients and proximity to the sun

• Water, oxygen, animals, plants,

• just gravity

Calculate the energy at the tertiary level if there's 6,000 J at the producer level.

• 600

• 60

• 6

• .6

Which term is described as an adaptation in which one species looks like another species?

• hibernation

• mimicry

• camouflage

• adaptation

In an energy pyramid, what percentage goes to the next level?

• 100%

• 1%

• 10%

• 5%

How are energy pyramids different from food webs?

• They are not different

• Energy pyramids show energy loss and food webs do not.

• Energy pyramids have animals and food webs do not.

• Energy pyramids show the use of electricity.

What trophic level receives the most energy from the producers?

• primary consumers

• secondary consumers

• tertiary consumers

• decomposers

What accommodation does the space shuttle provide to prevent burning up in the earth's atmosphere during re-entry?

• a space suit

• heat resistant shields

• oxygen tanks

• velcro straps

What are decomposers?

• organisms that break down dead organisms

• organisms that are a part of the primary consumer level

• organisms that eat only meat

• organisms that eat only plants

What is another way to say "Survival of the Fittest"? For example an insect becoming resistant to pesticides?

• selective breeding

• natural selection

• hibernation

• migration

What is selective breeding?

• nature determines which species are strong enough to survive

• humans choose plants and animals to breed based on specific traits

• behavioral adaptation

• physiological adaptation