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Ecosystems Review

Total questions: 65

Worksheet time: 2hrs 1mins

Name
Class
Date
1.

What is the gradual, sequential, regrowth of a community?

a)

Ecological succession

b)

Biomes

c)

Carrying capacity

d)

Conservation

2.

Development of life in an area where NO life was originally present

a)

Primary succession

b)

Secondary succession

c)

Pioneer species

d)

Biomes

3.

Development of life in an area AFTER life was disrupted by humans or a natural disaster

a)

Primary succession

b)

Secondary succession

c)

Pioneer species

d)

Biomes

4.

The first species to thrive in a new area

a)

Primary succession

b)

Secondary succession

c)

Pioneer species

d)

Biomes

5.

Biotic factors in an ecosystem include...

a)

people & animals

b)

water resources

c)

only members of the food chain

d)

plants, animals, and other organisms

6.

What is a living thing that breaks down plant and animal material, returning the nutrients to the soil?

a)

Producer

b)

Primary consumer

c)

Secondary consumer

d)

Decomposer

7.

What is a living thing that converts energy from the environment into sugars?

a)

Producer

b)

Primary consumer

c)

Secondary consumer

d)

Decomposer

8.
An individual living thing is a/an __________.
a)
habitat
b)
ecosystem
c)
organism
d)
population
9.

The place where an organism lives is its:

a)

home

b)

territory

c)

habitat

d)

niche

10.

an ecosystem consists of:

a)

all of the biotic factors in a given area

b)

the types of plants that inhabit a given area

c)

abiotic factors such as the sun, salinity, temperature, and weather found in a specific area

d)

all of the biotic factors and their interactions with the abiotic factors in a given area

11.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
12.

Click on the image to make it larger-- Choose all that apply: The hawk gets energy from...

a)

mouse

b)

rabbit

c)

wildflowers

d)

snake

13.

Click on the image to make it larger-- Choose the living things that are producers...

a)

wildflowers

b)

rabbit

c)

snake

d)

grass

14.

Consumers that feed on plants are also known as ____________.

a)

herbs

b)

herbivores

c)

spores

d)

reservoirs

15.

Consumers that eat other animals are also known as ________________.

a)

carnivores

b)

carnivals

c)

producers

d)

decomposers

16.
Molds, bacteria, and worms are ________.
a)
decomposers
b)
producers
c)
consumers
d)
food chains
17.
In an energy pyramid, energy_______ as you move up the pyramid.
a)
Increases
b)
Decreases
c)
Stays the same
d)
Changes up and down
18.

In this energy pyramid, which organisms have the most energy available?

a)

Producers

b)

Carnivores

c)

Herbivores

d)

Top Predator

19.

What does a primary consumer eat?

a)

tertiary consumers

b)

secondary consumers

c)

producers

d)

decomposers

20.
About how much percent of energy is passed on from one organism to to the next on a food web pyramid. 
a)
100 percent of all energy gets passed
b)
45 percent of all energy gets passed
c)
10 percent of all energy gets passed
d)
0 percent of all energy gets passed
21.

Word that means the same thing as consumer is...

a)

producer.

b)

autotroph

c)

carbohydrate

d)

heterotroph

22.

Which organism is a secondary consumer (3rd trophic level)?

a)

larvae

b)

capecod

c)

killifish

d)

snapper

23.

The following are known effects of burning Fossil Fuels, EXCEPT...

a)

Excessive CO2 release to the environment causing more heat trapping gas and creating Global Warming

b)

Excess of CO2 in the air causing more CO2 absorbed by the oceans decreasing the PH of water (ACIDIFICATION)

c)

The use of this Energy resource promotes rapid replenish of it from its natural sources so that there is always a constant supply of it

d)

The techniques used for Fossil Fuel extraction cause massive decrease of biodiversity due to damage of ecosystems

24.

The BEST way to distinguish Primary Succession from Secondary Succession is...

a)

The presence of Lichens in the first stage

b)

The absence of Fire as a cause of Succession

c)

The time it takes to reach Climax (Primary takes longer, Secondary takes less)

d)

The absence of soil in the first stage

25.

Non-living things that make up an ecosystem

a)

Abiotic Factor

b)

Biotic Factor

c)

Ecosystem

d)

Organism

26.

Living things that make up an ecosystem

a)

Abiotic factor

b)

Adapataion

c)

Biotic Factor

d)

Coevolution

27.

All members of an ecosystem

a)

Community

b)

Organism

c)

Population

d)

Species

28.

Any living thing that survives by eating other living things.

a)

Consumer

b)

Decomposer

c)

Predator

d)

Producer

29.

All plants and animals in an environment, including their interactions with each other

a)

Biome

b)

Community

c)

Ecosystem

d)

Population

30.

Any living thing

a)

Community

b)

Organism

c)

Population

d)

Species

31.

All members of a species in an ecosystem.

a)

Community

b)

Organism

c)

Population

d)

Species

32.

Make their own food to survive (plants)

a)

Consumers

b)

Decomposers

c)

Predators

d)

Producers

33.

Which of the following options is biotic?

a)

Water

b)

Air

c)

Rocks

d)

A spider

34.

Which of the following options is abiotic?

a)

Water

b)

Spiders

c)

Dolphins

d)

Trees

35.

What do omnivores eat?

a)

only meat

b)

meat and plants

c)

pop tarts

36.

What do carnivores eat?

a)

only plants

b)

only meat

c)

plants and meat

37.

Where does the flow of energy start in a food chain?

a)
Plant
b)

Deer

c)

Sun

d)
Wolf
38.

What is a producer?

a)

An organism that creates its own food.

b)

An organism that eats other organisms for energy

c)

An organism that eats other dead organisms

39.

A(n) _____ is a community of living things interacting with nonliving parts of the environment.

a)

Niche

b)

Biome

c)

Ecosystem

40.

The number of organisms of the SAME SPECIES living in a particular area at the same time...

a)

Population

b)

Community

c)

Ecosystem

41.

An interacting group of VARIOUS SPECIES in a common location is a...

a)

Habitat

b)

Population

c)

Community

42.

An organism's SPECIFIC ROLE in an ecosystem is called their...

a)

Habitat

b)

Niche

c)

Biome

43.

Producers are ...

a)

plants

b)

able to do photosynthesis

c)

also called autotrophs

d)

all of these are true

44.
Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.
a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
45.
A relationship between two organisms in which one organism benefits and the other is unharmed...
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
46.

A tapeworm lives in the intestine of a cat absorbing nutrients through its skin. A tapeworm and a cat have this type of relationship.

a)

mutualism

b)

parasitism

c)

commensalism

d)

competition

47.
What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
48.
What type of symbiosis?  Skunks often live in burrows that have been dug and abandoned by woodchucks.  
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
49.
A relationship between two organisms in which both organisms benefit. 
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
50.
When a mosquito bites you, you are the __________ and the mosquito is the  ____________.
a)
host, hostess
b)
parasite, host
c)
host, parasite
d)
prey, predator
51.

Mockingbirds will push the eggs out of a blue bird's nest and use the nest for it's own babies illustrating...

a)

commensalism

b)

parasitism

c)

mutualism

d)

predation

52.

Clown fish live among anemones, acting as a lure for the sea anemone's prey. The clown fish get protection and shelter from the anemone. This is an example of which type of symbiosis?

a)

Commensalism

b)

Mutualism

c)

Parasitism

53.

A bee and a flower work together to benefit each other. This is an example of a ______. The bee helps the flower by pollinating it and the flower helps the bee by providing it with nectar.

a)

commensalistic relationship

b)

parasitic relationship

c)

mutualistic relationship

54.
Which of he following interactions demonstrates a PARASITIC relationship?
a)
A mosquito sucking blood from a warm blooded animal.
b)
A group of baby otters floating together to help warm each other in the cold waters.
c)
Many fish swimming together to protect each other from predators.
d)
Two hyenas fighting over a female to mate with.
55.
A bird makes a nest in a tree.  The bird gets a house, but the tree is unharmed.
a)
Commensalism
b)
Mutualism
c)
Parasitism
56.
Birds eat the flies off of a rhino's back in the savannah
a)
commensalism
b)
Mutualism
c)
parasitism
57.
In an energy pyramid, energy_______ as you move up the pyramid.
a)
Increases
b)
Decreases
c)
Stays the same
d)
Changes up and down
58.

In this energy pyramid, which organism has the least amount of energy available?

a)

Producers

b)

Herbivores

c)

Carnivores

d)

Top Predator

59.

Using the diagram provided, which of the following energy pyramids best represents the data?

a)
b)
c)
d)
60.
_____ is the conversion of organic nitrogen into ammonia
a)
Nitrogen Fixation
b)
Ammonification
c)
Denitrification
d)
Assimilation 
61.

What converts nitrogen gas into a usable form for plants and animals?

a)

bacteria

b)

rain

c)

fungi

d)

car exhaust

62.

The biological transformation of ammonia or ammonium to nitrites and nitrates.

a)

ammonification

b)

denitrification

c)

nitrification

d)

nitrogen fixation

63.

Match the following steps of the nitrogen cycle to how they move bacteria.

a)

Atmosphere to Geosphere

1.

Nitrogen Fixation

b)

Geosphere to Biosphere

2.

Assimilation

c)

Biosphere to Geosphere

3.

Ammonification

d)

Geosphere to Atmosphere

4.

Denitrification

64.

What are the negative effects of higher atmospheric CO2 levels?

a)

Global Warming/higher sea levels/acidic oceans

b)

No more snow days

c)

Raised Ocean pH

d)

Carbon Dioxide

65.

The good bacteria

a)

helps with digestion

b)

provides essential vitamins

c)

protects you against bad bacteria

d)

All of the above

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