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Flow of Energy, Biodiversity, and Ecological Succession

Total questions: 30

Worksheet time: 29mins

Name
Class
Date
1.

Biodiversity means ________________.

a)

there is only one species in an area.

b)

the different amount of species, or variety, in a given area.

c)

the different abiotic factors in a given area.

d)

nitrogen fixation.

2.

What is the difference between biotic and abiotic?

a)

Biotic refers to non-living factors in an ecosystem.

b)

Abiotic refers to the living species in an area.

c)

Biotic refers to living species, while Abiotic factors are non-living.

d)

Biotic is non-living, Abiotic is living.

3.

What type of succession is shown going from figure A to figure B?

a)

Primary succession

b)

Eutrophication

c)

Secondary succession

d)

Intermediate succession

4.

This diagram shows a situation of Primary Succession, but the pictures are out of order. What is the correct order of succession?

a)

A, B, C, D

b)

B, A, D, C

c)

C, D, A, B

d)

D, A, B, C

5.

A garden was cleared out, but had to be left alone for a month. What would you expect to see?

a)

Lichens and mosses

b)

Grasses and weeds

c)

A fully blossomed garden

d)

Bushes and small trees

6.

Which form of succession starts with bare rock, followed by lichen as the pioneer species?

a)

Primary succession

b)

Secondary succession

c)

Royal succession

d)

All of the above

7.

The first organisms that appear in an ecological community are called....

a)

ecological succession

b)

primary succession

c)

secondary succession

d)

pioneer species

8.

The picture shows what type of succession?

a)

Primary succession

b)

Secondary succession

c)

Chronological succession

d)

Familial succession

9.
The final stable community of plants and animals is called:
a)
pioneer community
b)
farmland
c)
climax community
d)
old field
10.

How would the biodiversity of this ecosystem be affected if the lantern fish disappeared?

a)

The ocean sunfish population would increase.

b)

The large shark population would die out.

c)

The squid would die out.

d)

There would be no change.

11.

The ultimate source of energy in our Solar System comes from:

a)

our water sources (oceans, glaciers, etc.)

b)

our atmosphere and the oxygen we breathe.

c)

the nearest star, our sun.

d)

forces within the earth's core that come up when volcanos erupt.

12.
Autotroph means 'to feed oneself'. The process of an autotroph 'feeding' itself is called:
a)
chemosynthesis
b)
photosynthesis
c)
phototropism
d)
chemosynthesis
13.

How does energy flow through ecosystems?

a)

The sun --> producers --> consumers --> decomposers

b)

Producers--> the sun --> decomposers --> consumers

c)

Decomposers-->consumers-->autotrophs-->sun

14.

Which of the following is an herbivore?

a)

Cricket

b)

Frog

c)

Hawk

d)

Shrew

15.

Which of the following lists are producers?

a)

Bat, lion, and dog.

b)

Wal-Mart, Toys-R-Us, and Game Stop.

c)

Rabbit, Hedgehog, Grasshopper

d)

Tree, grass, and flowers.

16.

What term do scientists use to describe animals that hunt and kill other organisms for their food?

a)

Hebivore

b)

Carnivore

c)

Omnivore

d)

Sycamore

17.

An animal that eats both plants and other animals is called an ______________.

a)

Decomposer

b)

Herbivore

c)

Carnivore

d)

Omnivore

18.

An animal that eats only plants and other producers is an ____________.

a)

Herbivore

b)

Omnivore

c)

Carnivore

d)

Sycmore

19.
Which of the following would be the correct flow of energy? 
a)
Grass eats a rabbit, and then the rabbit eats a fox
b)
Fox eats a rabbit, and then the rabbit eats grass
c)
Rabbit eats grass, and then a fox  eats the rabbit
20.

Why do scientists draw food chains?

a)

To show the path of food from producers to decomposer.

b)

To show the path of water through living organisms.

c)

To show the path of food among all living organisms.

d)

To show how energy flows between organisms.

21.

Which biome has the greatest biodiversity?

a)

Desert

b)

Sand

c)

Tundra

d)

Rainforest

22.

What do biologists call an ecosystem that has reached it's maximum potential?

a)

Rainforest

b)

Environment

c)

Climax Community

d)

Biome

23.

Which biome is more likely to survive a change in the environment?

a)

One that is high (rich) in biodiversity.

b)

One that is low (poor) in biodiversity.

24.
Under a rock is a good place to view a micro habitat.
a)
True
b)
False
25.
What is the order of succession shown in this figure?
a)
A, B, C, D
b)
B, A, D, C
c)
C, D, A, B
d)
D, A, B, C
26.

Sustainability refers to.......

a)

how many species are present in an ecosystem.

b)

when a species goes extinct.

c)

how long a species lives.

d)

the ability to maintain ecological processes over long periods of time.

27.
The higher the biodiversity, the more sustainable an ecosystem is.
a)
True
b)
False
28.

In a grassland ecosystem, lions prey on wildebeest. The population of lions has declined steadily because of illegal hunting. What will most likely happen to the population of wildebeest?

a)

The wildebeest population will increase

b)

The wildebeest population will decrease

c)

The wildebeest population will remian the same

29.
Field mice eat corn. Which would most likely happen if the field mouse population grew?
a)
There would be more corn to feed the field mice.
b)
There would be less corn due to the mice eating it.
c)
The habitat would get overpopulated because the mice woudl eat too much.
30.
In this tundra food web, if grasses were removed what would happen to the sustainability of the ecosystem?
a)
There would be an overpopulation of arctic hares and lemmings.
b)
Polar bears would move to a new ecosystem
c)
The ecosystem would collapse because it lost its main producer
d)
Wildflowers would die out from the ecosystem