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9 GEO - Ecosystems & Biodiversity

Total questions: 25

Worksheet time: 19mins

Name
Class
Date
1.

What is an ecosystem?

a)

Landforms and weather

b)

A community of living organisms & nonliving components of their environment, interacting as a system.

c)

Having lots of different kinds of animals within an environment

d)

Oceans, lakes, rivers & puddles

2.

What are BIOTIC components?

a)

Non-living organisms in an ecosystem

b)

Amoebas & placebos

c)

Having lots of different animals & plants in the one area

d)

Living organisms in an ecosystem

3.

What are ABIOTIC components?

a)

Non-living organisms in an ecosystem

b)

Living organisms in an ecosystem

c)

Air, smoke, wind, fire, magma

d)

Micro-organisms in petri dishes

4.

What does ECOLOGY study?

a)

The study of animals.

b)

The study of water.

c)

The study of how organisms relate to their environments.

d)

The study of how organisms relate to water sources.

5.

Photosynthesis is.....

a)

A chemical process with plants produce water from cold air.

b)

A chemical process through which plants produce glucose and oxygen from carbon dioxide using light.

c)

A chemical process in which plants produce berries or seeds or fruits using light.

d)

How you processing film negatives.

6.

An example of a FOOD WEB would be....

a)

Horse, man, swan, elephant

b)

Grain, bird, spider, fly

c)

Rat, cat, bat, hat

d)

Grass, cow, man, dog

7.

A log and a tree are examples of which 2 components of an ecosystem? (Hint: There are 2 answers here!)

a)

Abiotic

b)

Photosynthesis

c)

Ecology

d)

Biotic

8.

Algae & plants are examples of.....

a)

Producers

b)

Consumers

c)

Photosynthesis

d)

Observers

9.

What do consumers do in an ecosystem?

a)

They shop

b)

Destroy the environment

c)

They exhaust all resources in an environment

d)

Eat the producers

10.

What is MIMICRY in biology?

a)
b)
c)
d)
11.

What is a DECOMPOSER?

a)

A dead musician.

b)

Organisms that break down dead or decaying organisms and wastes.

c)

Something that produces food.

d)

Organisms that create dead or decaying organisms and wastes.

12.

Click on the TWO examples of DECOMPOSERS.

a)

Lion

b)

Giraffe

c)

Fungi

d)

Bacteria

13.

Finish the sentence. Producers are......

a)

Organisms that produce organic compounds for the entire ecosystem

b)

The top of the food chain.

c)

Organisms that produce non-organic compounds for a part of the ecosystem

d)

Bacteria that helps make the air cleaner

14.

Click on TWO examples of PRODUCERS.

a)

Grass

b)

Hyena

c)

Berries

d)

Shark

15.

What is a CONSUMER? It is.....

a)

Someone who shops a lot

b)

The bottom of the food chain

c)

An organism that gets energy by feeding on other organisms or organic matter as it can't manufacture its own food

d)

Animals that only eat meat

16.

Name something consumers CAN'T do.

a)

Produce their own food

b)

Consume other animals

c)

Consume plants

d)

Stop shopping

17.

Choose the TUNDRA biome.

a)
b)
c)
d)
18.

Choose the SAVANNAH biome.

a)
b)
c)
d)
19.

Choose the TAIGA biome.

a)
b)
c)
d)
20.

Choose the CHAPPARAL biome.

a)
b)
c)
d)
21.

An organism that others may depend on for survival is called a(n):

a)

Keystone species

b)

Interdependent species

c)

Diverse species

d)

Vulnerable species

22.

Coral reefs are essential for the survival of other organisms. They provide:

a)

Microhabitats

b)

Shelter

c)

Breeding grounds

d)

All of the above

23.

What may cause a species to become less genetically diverse?

a)

Isolation from members of its species

b)

Low population numbers

c)

Both A and B

d)

None of the above

24.

Ecosystem diversity, species diversity, genetic diversity all intertwine to create ______.

a)

Vulnerability

b)

Biodiversity

c)

Interdependence

d)

Recycling

25.

Click on the examples of ECOSYSTEMS. Hint: There are more than one!

a)
b)
c)
d)