4.2 Energy Flow in Ecosystems

4.2 Energy Flow in Ecosystems

11th Grade

6 Qs

quiz-placeholder

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4.2 Energy Flow in Ecosystems

4.2 Energy Flow in Ecosystems

Assessment

Quiz

Biology

11th Grade

Practice Problem

Medium

Created by

Ahmed Adel

Used 17+ times

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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following best describes a food web? 

a.  A single pathway of energy flow 

b.  A complex network of feeding interactions 

c.  A series of decomposers breaking down matter 

d.  A hierarchy of predators 

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In a pyramid of energy, what percentage of energy is typically transferred from one trophic level to the next? 

1%

10%

25%

50%

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is phytoplankton's role in aquatic food webs? 

Primary producer

Decomposer

Primary consumer

Tertiary consumer

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

An inverted pyramid of numbers might occur in an ecosystem where: 

There are more producers than consumers. 

There are more primary consumers than top predators. 

Higher trophic levels have more organisms than lower levels. 

d. Energy is lost as heat at each level.

5.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Energy flows in a ------------------- direction through ecosystems, from producers to consumers.

6.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

A food chain is a series of organisms through which ----------------------is transferred from one to another.