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Ecosystem review quiz

Total questions: 50

Worksheet time: 22mins

Name
Class
Date
1.

Place where an organism lives and that provides the types of food, shelter, moisture, and temperature needed for survival.

a)

Niche

b)

Biomes

c)

Habitat

d)

Ecosystem

2.

Chain showing how energy passes from one organism to the next.

a)

Food chain

b)

Food Web

3.

Eat producers or only eat plants.

a)

Producers

b)

Consumers

c)

Omnivores

d)

Herbivores

4.

Animal that hunts and kills other animals for food.

a)

Prey

b)

Consumer

c)

Predator

d)

Carnivore

5.

Non-living parts of ecosystem (air, water, soil, sun)

a)

Ecosytsem

b)

Abiotic Factors

c)

Biotic Factors

d)

Niche

6.

All the living organisms that live in an area and the nonliving features of their environment.

a)

Habitat

b)

Niche

c)

Biomes

d)

Ecosystem

7.

Large geographic areas with similar climates and ecosystems. (Tundra, Desert, Grassland, etc)

a)

Niche

b)

Ecosystem

c)

Biomes

d)

Habitat

8.

In an ecosystem, refers to the unique ways an organism survives, obtains food and shelter, and avoids danger.

a)

Habitat

b)

Niche

c)

Biomes

d)

Ecosystem

9.

Largest number of individuals of a particular species that an ecosystem can support over time.

a)

Carrying Capacity

b)

Limiting Factor

10.

Anything that can limit the size of a population, including living and nonliving features of an ecosystem, such as predators or drought.

a)

Carrying Capacity

b)

Limiting Factor

11.

Shows the direction in which energy flows. As the amount of available energy decreases, the pyramid gets smaller. Each layer on a pyramid is called a trophic level.

a)

Food chain

b)

Food web

c)

Energy Pyramid

d)

Ecosystem

12.

Organism that makes its own food.

a)

Consumer

b)

Producer

c)

Herbivore

d)

Omnivore

13.

Organism that cannot make own food.

a)

Consumer

b)

Producer

c)

Herbivore

d)

Omnivore

14.

Consume wastes and dead organisms.

a)

Carnivore

b)

Omnivore

c)

Decomposer

d)

Producer

15.

An animal that is hunted and caught for food. It is a consumer; it may be a herbivore, omnivore, or carnivore.

a)

Producer

b)

Prey

c)

Predator

d)

Organism

16.

Eats herbivores, omnivores, or carnivores.

a)

Omnivore

b)

Carnivore

c)

Herbivore

d)

Decomposer

17.

Eats producers and consumers.

a)

Omnivore

b)

Carnivore

c)

Herbivore

d)

Decomposer

18.
Which is an example of parasitism?
a)
cat and mouse
b)
tadpole and frog
c)
human and tapeworm
d)
caterpillar and butterfly
19.
Which term best describes two predators living in the same habitat who feed on the same prey?
a)
coexistence
b)
competition
c)
mutualism
20.
In the ocean, a sea anemone attaches itself to the shell of a hermit crab. The stinging arms of the sea anemone protect the hermit crab, while the movement of the hermit crab brings food to the sea anemone. Which best describes the relationship between the sea anemone and the hermit crab?
a)
commensalism
b)
mutualism
c)
parasitism
21.
Dead matter and waste would pile up without which type of organism?
a)
decomposer
b)
consumer
c)
producer
22.
As a dog walks through thick brush, a tick attaches to its leg. Which best describes the relationship between the dog and the tick?
a)
parasitism
b)
mutualism
c)
commensalism
23.
A pride of lions stalks, tackles, and kills an antelope. Which is best being demonstrated?
a)
predation
b)
mutualism
c)
cooperation
24.
Which would be the impact on producers and consumers if the decomposers in an ecosystem suddenly disappeared?
a)
There will be less nutrients available.
b)
There will be a decreased amount of oxygen.
c)
There will be an increase in atmospheric carbon.
d)
There will be an excess amount of energy available.
25.
Which best describes the relationship between decomposers and producers?
a)
Decomposers provide producers with water.
b)
Decomposers absorb nutrients produced in the soil.
c)
Producers release energy from the sun through decomposers.
d)
Producers absorb nutrients from decomposed material in the soil.
26.
Which best represents the niche of phytoplankton and algae in a marine ecosystem?
a)
producers
b)
consumers
c)
scavengers
d)
decomposers
27.
Which demonstrates cooperation within an ecosystem?
a)
plants growing in a garden
b)
several wolves killing a moose for food
c)
hummingbirds pollinating trumpet flowers
28.
A group of organisms of the same species living in the same area are called a/an ________.
a)
community
b)
habitat
c)
population
d)
ecosystem
29.
A group of different species that live together and interact in an environment are called a/an ________.
a)
community
b)
habitat
c)
population
d)
ecosystem
30.
Energy flow for an ecosystem starts with...
a)
Sun
b)
Moon
c)
Neither
31.
What is the definition of Biotic factors?
a)
Dead things
b)
plants
c)
Living things or organisms
d)
soil
32.
What is a example of a abiotic factor?
a)
Panda
b)
Turtle
c)
Butterfly
d)
weather
33.
What is an example of a biotic factor?
a)
skunk
b)
rocks
c)
soil
d)
water
34.
What is the definition of Abiotic factors?
a)
Alive organisms or things
b)
Dead things or organisms
c)
panda
d)
insect
35.
Which of the fallowing has only abiotic factors?
a)
Sunlight, algae, and temperature
b)
Guppy, crab, oxygen
c)
Sunlight, soil, and weather
d)
Algae, temperature, and dog
36.
If the population of prey increases, the population of predators will ________because of the availability of food.
a)
decrease
b)
stay the same
c)
increase
d)
None of the above 
37.
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.
d)
The mice would plant more corn. 
38.
Humans are part of the ecosystem and therefore impact it.  Which of the following events in an ecosystem may produce a negative effect?
a)
preventing deer from depleting food resources
b)
restoring a natural habitat
c)
wildlife rangers minimizing disturbances
d)
a lumbar company clearing a forest
39.
The Texas Kangaroo Rat, native to north-central Texas, makes its home in mesquite bushes.  If the mesquite bushes are cleared for human homes , which of the following is the most probable result?
a)
The rat population will rise (increase).
b)
The rat population will decline (decrease).
c)
The rat population will stay the same.
d)
The rat population will double.
40.
In the 1980's, the water level dropped and the salt concentration doubled in Mono Lake.  How did this affect the brine shrimp population that lives there?
a)
The brine shrimp population increased.
b)
The brine shrimp population decreased.
c)
This did not affect the brine shrimp population.
d)
What are brine shrimp?
41.
What is the correct order of organization in a ecosystem from smallest to biggest?
a)
population, organism, ecosystem, community
b)
organism, population, community, ecosystem
c)
organism, community, population, ecosystem
d)
community, population, ecosystem, organism
42.
Land developers plant grasses on steep slopes to stop erosion of topsoil. This is an example of what?
a)
biodiversity
b)
conservation strategies
c)
habitat preservation
43.
Which of the following is NOT a conservation strategy?
a)
sediment control pond
b)
crop harvesting
c)
critical area planting
44.
A land developer leaves bare soil exposed when clearing land for building.  What might this cause? 
a)
flooding
b)
soil erosion
c)
habitat preservation
45.
Why are wetlands important to maintaining biodiversity?
a)
water filtration
b)
flood prevention
c)
habitat preservation
d)
all of the above!
46.

Which of the following lists includes only biotic parts of an ecosystem?

a)

Rain, Grass, Seeds, Mice

b)

Sand, Air, Water, Sunlight

c)

Log, Dead Grass, Fungus, Bird

d)

Bacteria, Soil, Minerals, Worms

47.

From the given set of organism, select the pair that is most closely related.

a)

Picture A and B

b)

Picture C and D

c)

Picture B and C

d)

Picture D and A

48.

Which sequence below shows how energy flows through a food chain?

a)

Carnivores ➞ producers ➞ herbivores

b)

Sun ➞ herbivores ➞ carnivores ➞ producers

c)

Sun ➞ producers ➞ herbivores ➞ carnivores

d)

All of the above

49.

One model that shows how energy passes from organism to organism is called -

a)

Food web

b)

Food chain

c)

Food water chain

d)

all of the above

50.

Why do you think decomposers play an important role in the cycling of matter through the ecosystem?

a)

The decomposers’ excreta are full of nutrients that enrich the soil.

b)

Decomposers break down remains of living things and release nutrients.

c)

Decomposers add nutrients to the air and soil through breathing

d)

All of the above

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