Model Ecosystem Post Lab

Last updated over 6 years ago

12 questions

Model Ecosystem Post Lab

Last updated over 6 years ago

12 questions

Question 1

The ultimate source of energy for most ecosystems is

A carbon

B oxygen

C sunlight

D water

Question 2

Organisms that directly use energy from the sun to make their own food are called

A Autotrophs

B Heterotrophs

C Carnivores

D Decomposers

Question 3

Which of the following illustrates the correct ordering of trophic levels

A Decomposers --> Carnivores--> Autotrophs--> Herbivores

B Herbivores--> Autotrophs-->Carnivores-->Decomposers

C Autotrophs-->Herbivores-->Carnivores-->Decomposers

D None of the above

Question 4

Within an ecosystem:

A Energy flows in one direction only and nutrients are recycled

B Energy is recycled and nutrients flow in one direction only

C Energy and nutrients flow in one direction only

D Energy and nutrients are both recycled

Question 5

The efficiency of energy transfer from a lower trophic level to the next higher level is roughly:

A 1%

B 5%

C 10%

D 80%

Question 6

In aquatic ecosystems, biomass is least at which trophic level

A Autotrophs

B Herbivores

C Carnivores

Question 7

You are in an area where there are squid, seals, and penguins. You are most likely in which ecosystems?

A Deciduous Forest

B Hot Desert

C Antarctic Ocean Shore

D Grassland

Question 8

You find yourself in an area where there are snakes, hawks, and coyotes. Based upon these animal populations you are most likely in which ecosystem?

A Deciduous Forest

B Hot Desert

C Grassland

D You cannot tell from this information

Question 9

You are in a area where the ground is littered with what appear to be dry, dead leaves. You are most likely in which ecosystym

A Deciduous forest

B Hot Desert

C Grassland

D You cannot tell from this information

Question 10

10.

This zone has the greatest concentration of plankton in a freshwater lake ecosystem:

A Profundal

B Littoral

C Limnetic

Question 11

11.

Last Name, First Name

Question 12

12.

Class Period