Trophic Levels and Food Webs

Question 1

Which class of organisms gather their energy directly from the sun?

Revolt · Accepted Answer

autotrophs

Question 2

Scientists use different types of models to analyze the structure of ecosystems. Which characteristic is seen in a biomass pyramid, but not in a numbers pyramid?

Revolt · Accepted Answer

living matter found at each trophic level in an ecosystem

Question 3

A quaternary consumer species would be expected to have a smaller population than a secondary consumer species.

Revolt · Accepted Answer

T

Question 4

The main producers in aquatic environments are _______.

Revolt · Accepted Answer

phytoplankton

Question 5

Energy flow in an ecosystem is best represented by _______.

Revolt · Accepted Answer

food webs

Question 6

Which is not an advantage of using the Pyramid of Energy?

Revolt · Accepted Answer

Assigning the decomposers and detritivores to a particular trophic level.

Question 7

All animals are _______.

Revolt · Accepted Answer

consumers

Question 8

The initial period of population growth for a species in an environment is _______.

Revolt · Accepted Answer

exponential

Question 9

Which shows the correct order of increasing trophic level, from producer to tertiary consumer?

Revolt · Accepted Answer

grass, deer, wolf, fungi

Question 10

The elimination of a predator has no negative impacts on that predator’s prey species.

Revolt · Accepted Answer

F

Trophic Levels and Food Webs Answers

More from this Course

TRY EDGENUITY HACKS