Understanding Food Webs and Bioaccumulation

Understanding Food Webs and Bioaccumulation

Assessment

Interactive Video

Biology

9th - 10th Grade

Hard

Created by

Jennifer Brown

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a food web?

A diagram showing the energy flow in a single organism

A chart of the population sizes of different species

A network of interconnected food chains in an ecosystem

A linear sequence of organisms where each is eaten by the next

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What might happen if a species is removed from a food web?

The ecosystem remains unchanged

The food web becomes more stable

All other species increase in number

The interactions between species may change

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is bioaccumulation?

The process of organisms growing larger over time

The buildup of chemicals in an organism through the food chain

The decrease in biodiversity in an ecosystem

The increase in population size of a species

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which organism in a food chain is most affected by bioaccumulation?

The top predator

The secondary consumer

The primary consumer

The producer

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was DDT primarily used for?

Fertilizing crops

Feeding livestock

Killing mosquitoes

Enhancing plant growth

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How did DDT affect birds of prey?

It increased their population

It had no effect on them

It caused many to die due to bioaccumulation

It made them immune to diseases

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an example of interdependence in a food web?

A tree growing in a forest

A rock sitting on a hill

A bee pollinating a flower

A river flowing through a valley

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