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Unit 1 - Ecology Review

Total questions: 30

Worksheet time: 30mins

Name
Class
Date
1.

The original source of energy for a food web is...

a)

plants

b)

sun

c)

producers

d)

decomposers

2.

Decomposers get energy from...

a)

the sun

b)

eating plants

c)

eating animals

d)

dead things and waste

3.

Producers are ...

a)

plants

b)

able to do photosynthesis

c)

also called autotrophs

d)

all of these are true

4.

Who is the producer?

a)

lettuce

b)

greenfly

c)

ladybird

d)

thrush

5.

An animal that hunts other animals for food is a ___________

a)

herbivore

b)

predator

c)

prey

d)

omnivore

6.

A connection of food chains with many food energy paths in an ecosystem is a ____________

a)

ecosystem

b)

food web

c)

environment

7.

Which of the following is NOT a consumer

a)

grass

b)

dog

c)

shark

d)

fish

8.
A community of living and nonliving things in their natural environment makes up a 
a)
food web
b)
ecosystem
c)
food chain
d)
population
9.
In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?
a)
80%
b)
90%
c)
10%
d)
20%
10.

If there is 2000 kcal of energy in this particular ecosystem, how many kcal of energy will be available for hawk?

(a)  

11.
Multiple organisms of the same species describes a
a)
organism
b)
population
c)
community
d)
ecosystem
12.
What do ecosystems have that the other three levels of organization do not have?
a)
living things
b)
biotic factors
c)
abiotic factors
d)
organisms
13.
A forest full of many kinds of trees and grasses is an example of a
a)
group
b)
organism
c)
population
d)
community
14.
Which is an example of an organism?
a)
a beetle
b)
a lake
c)
a rock
d)
a shell
15.
which is the correct order of the levels of organization from simple to complex?
a)
organism, population, community, ecosystem
b)
ecosystem, community, population, organism
16.
Which is the definition of a community
a)
multiple organisms of the same species
b)
all the living and nonliving things in an area
c)
a living thing
d)
multiple organisms of different species
17.

study of relationships

a)

dna

b)

ecology

c)

photosynthesis

d)

biology

18.

individual member

of a species or

population

a)

population

b)

community

c)

organism

d)

ecosystem

19.

community PLUS all

of the abiotic factors

in the environment

a)

organism

b)

population

c)

community

d)

ecosystem

20.

multiple populations

of different species

living together

a)

community

b)

population

c)

ecosystem

d)

biodiversity

21.

the zone

of life on Earth,

encompassing all of

Earth’s ecosystems

a)

biosphere

b)

biome

c)

ecosystem

d)

community

22.

multiple

ecosystems that share

similar characteristics but

are located in different

parts of the planet

a)

population

b)

community

c)

biome

d)

biodiversity

23.

Match the following

a)
1.

Predation

b)
2.

Symbiosis

c)
3.

Commensalism

d)
4.

Parasitism

24.

The amount of organisms that an ecosystem can support is known as (a)  

25.

What is the carrying capacity of this graph?

a)

1-15 years

b)

2300

c)

21 years

d)

500

26.

What happened to the animal's population?

a)

It decreased and they are at a lower carrying capacity

b)

They evolved to be smaller and need less food

c)

The are extinct

d)

They went to a lower area where there was no competition

27.

What trophic cascade will happen to the larva if the wasp disappears?

a)

The larva will overgrow and eat all of the plants

b)

The larva will go extinct

c)

The larva will overgrow, but will eat just enough plants to survive

d)

The larva will not be affected

28.

What trophic cascade will happen if the shark disappears?

a)

The mesopredator will grow because there is nothing eating it

b)

The herbivore will overgrow without the sharks

c)

The mesopredator will begin to eat algae now that sharks aren't a threat

d)

The algae will become extinct

29.

What is the carrying capacity of this graph?

a)

0.5

b)

1.0

c)

1.7

d)

2.0

30.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 

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