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L3: Ecological Communities

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What is an ecological community?

a)

A) A group of organisms of the same species

b)

B) All the organisms in an area interacting with one another and their environment

c)

C) A single organism in an ecosystem

d)

D) A group of plants in a forest.

2.

Producers are organisms that can convert sunlight into chemical energy through what process?

a)

Respiration

b)

Photosynthesis

c)

Digestion

d)

Fermentation

3.

Producers are also called ________.

a)

Heterotrophs

b)

Autotrophs

c)

Decomposers

d)

Consumers

4.

An ecological community consists of all the organisms in an area interacting with one another and their ________.

a)

Food

b)

Environment

c)

Predators

d)

Offspring

5.

What is the role of producers in an ecological community?

a)

To consume other organisms

b)

To produce energy for consumers

c)

To decompose organic matter

d)

To compete with consumers.

6.

In an ecological community, ________ are at the base of the energy pyramid.

a)

A) Primary consumers

b)

B) Secondary consumers

c)

C) Producers

d)

D) Omnivores

7.

Herbivores are considered ________ consumers.

a)

A) Primary

b)

B) Secondary

c)

C) Tertiary

d)

D) Quaternary

8.

In an ecosystem, energy is transferred from one trophic level to the next, but most of the energy is lost as ______.

a)

Light

b)

Sound

c)

Heat

d)

Biomass

9.

Which organism is a tertiary consumer?

a)

Frog

b)

Owl

c)

Rat

d)

Bee

10.

Energy transfer in a food web is represented by a ______.

a)

Circle

b)

Pyramid

c)

Square

d)

Line

11.

The _____ in biomass as energy is transferred up the trophic levels is represented by a Pyramid of Biomass.

a)

increase

b)

decrease

c)

constant

d)

variable

12.

Each step in a food chain or food web is called a ______ level.

a)

Trophic

b)

Energy

c)

Biomass

d)

Consumer

13.

What is the role of primary consumers in the trophic levels?

a)

They produce energy

b)

They consume producers

c)

They decompose matter

d)

They are at the top of the food chain.

14.

Tertiary consumers are top predators that eat secondary consumers. Which of the following is a tertiary consumer?

a)

Coyotes

b)

Grasshoppers

c)

Phytoplankton

d)

Deer

15.

The biomass pyramid is a graphical representation of ______.

a)

Total energy

b)

Total living matter

c)

Total water

d)

Total sunlight