ecology review

Front

In the energy pyramid here, which organisms have the most energy available?

Back

Producers

Front

Which organism receives the least amount of energy from the producer? Options: Owl, Grasshopper, Lilypad, Mouse

Back

Owl

Front

Which level will contain plants? Options: A, B, C, D

Back

D

Front

What do the arrows in a food chain or web represent?

Back

They show what direction the energy is flowing between organisms. 

Front

Who is the producer? Options: lettuce, greenfly, ladybird, thrush

Back

lettuce

Front

A deer population has significantly increased, the best hypothesis is ___________. Options: the deer's main predator has been eliminated, competition increased, decreased water levels of local ponds, organisms that rely on similar food sources migrated to the area.

Back

the deer's main predator has been eliminated

Front

In this food chain, what will happen if the frogs become extinct?

Back

The grasshoppers will increase.

Front

What percentage of energy is passed on to each tropic level? Options: 10%, 50%, 90%, 100%

Back

10%

Front

A heterotroph...

Back

eats other organisms

Front

A producer has 140,000 J of energy, how much energy is available at the primary consumer level? Options: 1,400,000 J, 14,000 J, 1,400 J, 140 J

Back

14,000 J