Quiz about Food Chains Food Webs Ecosystems

Question 1

All energy transformations in an ecosystem begin with

Accepted Answer

the sun

Answer

a scavenger

Answer

a decomposer

Answer

a herbivore

Question 2

a deer population has significantly increased, the best hypothesis is

Accepted Answer

the deer's main predator has been eliminated

Answer

competition increased

Answer

decreased water levels of local ponds

Answer

organisms that rely on similar food sources migrated to the area

Question 3

Which event is the best example of competition between species in a pond?

Accepted Answer

frogs and toads eating flies

Answer

dragonflies landing on lily pads

Answer

lizards and snakes lying in the sun

Answer

hawks eating mice

Question 4

Which relationship describes predator/prey

Accepted Answer

mountain lion and deer

Answer

hawks and shrubs

Answer

frogs and trees

Answer

grasses and crickets

Question 5

an organism that can produce its own food through photosynthesis

Accepted Answer

autotroph

Answer

consumer

Answer

heterotroph

Answer

herbivore

Question 6

Biodiversity is

Accepted Answer

the variety of species within an ecosystem

Answer

a large number of the same species in an ecosystem

Answer

an abundant amount of the same primary consumers

Answer

the ability to have an abundant source from the same species

Question 7

an example of producer consumer relationship would be

Accepted Answer

grasshopper getting energy from grass

Answer

lion eating a deer

Answer

hawk getting energy from snakes

Answer

earthworm breaking down dead material

Question 8

Which of these is an example of an autotroph?

Accepted Answer

Sunflower

Answer

Krill

Answer

Leopard

Answer

Hummingbird

Question 9

Consumer that eats plants

Accepted Answer

herbivore

Answer

heterotroph

Answer

producer

Answer

community

Question 10

Energy increases as you move up the food pyramid (from bottom to top).

Accepted Answer

False

Answer

True

Question 11

Which of the following is NOT a consumer

Accepted Answer

grass

Answer

dog

Answer

shark

Answer

fish

Question 12

A frog eats a fly. The frog and fly are demonstrating ________.

Accepted Answer

predator/prey

Answer

mutualism

Answer

competition

Answer

parasitism

Question 13

What percentage of energy is passed on to each tropic level?

Accepted Answer

10%

Answer

50%

Answer

90%

Answer

100%

Question 14

An organism that needs to eat other organisms to obtain energy is known as a:

Accepted Answer

Consumer

Answer

Autotroph

Answer

Producer

Answer

Mutualist

Question 15

Why is there a limited amount of energy that can be passed on to the next feeding level?

Accepted Answer

Organisms use some of the energy they get from eating.

Answer

There is never enough sunlight available.

Answer

Some ecosystems have limited resources.

Answer

All the energy is available to be passed on.

Question 16

The largest group of organisms found in a food web would be:

Accepted Answer

Producers

Answer

Primary Consumers

Answer

Decomposers

Answer

Tertiary Consumers

Question 17

What may happen if the snowshoe hare was removed from the food web pictured?

Accepted Answer

The shrew population would decrease due to being only hawk food source.

Answer

The insects in the habitat would increase.

Answer

The willow tree population would decrease.

Answer

Foxes would dies due to no food source.

Question 18

The rabbit in this food web would be considered a:

Accepted Answer

Primary Consumer

Answer

Decomposer

Answer

Producer

Answer

Secondary Consumer

Question 19

The fox in this food web would be considered a:

Accepted Answer

Tertiary Consumer

Answer

Producer

Answer

Secondary Consumer

Answer

Primary Consumer

Question 20

The mouse in this food web would be considered a:

Accepted Answer

Secondary Consumer

Answer

Primary Consumer

Answer

Producer

Answer

Tertiary Consumer

Question 21

What is a herbivore?

Accepted Answer

an organism that gets energy from eating only plants

Answer

an animal that gets energy from eating other animals

Answer

an animal that gets energy by eating both plants and other animals

Question 22

An animal that is hunted and eaten for food is a

Accepted Answer

prey

Answer

predator

Question 23

An organism that gets energy from eating dead organisms, non-living material or waste

Accepted Answer

decomposer

Answer

producer

Answer

consumer

Question 24

What is a carnivore?

Accepted Answer

an animal that gets energy by eating other animals

Answer

An animal that gets energy by eating only plants

Answer

an animal that gets energy by eating both plants and animals

Question 25

An animal that gets energy from eating both plants and animals is a

Accepted Answer

omnivore

Answer

herbivore

Answer

carnivore

Question 26

The shrew provides energy for the _______?

Accepted Answer

snake

Answer

cricket

Answer

grasshopper

Answer

frog

Question 27

Which of the following is a herbivore?

Accepted Answer

cricket

Answer

frog

Answer

hawk

Answer

shrew

Question 28

Using food web which of the following is a secondary consumer?

Accepted Answer

snake

Answer

worm

Answer

butterfy

Answer

squirrel

Question 29

Using the food web which of the following is a tertiary consumer?

Accepted Answer

eagle

Answer

frog

Answer

bird

Answer

worm

Question 30

Using the food web what would happen if the eagle became extinct?

Accepted Answer

The frog population would increase.

Answer

The frog population would decrease.

Answer

The butterfly population would increase.

Answer

The snake population would decrease.

Question 31

If fish were poisoned which organism would be affected?

Accepted Answer

octopus

Answer

algae

Answer

phytoplankton

Answer

clams

Question 32

Which organism is on the 2nd trophic level?

Accepted Answer

clam

Answer

algae

Answer

octopus

Answer

shark

Question 33

Using food web which organism is the top predator?

Accepted Answer

shark

Answer

octopus

Answer

clam

Answer

lobster

Question 34

Using the food web how many organisms only eat producers?

Accepted Answer

2

Answer

3

Answer

4

Answer

5

Question 35

How does biodiversity contribute to the sustainability of an ecosystem?

Accepted Answer

all the above

Answer

The presence of more species with different adaptations makes it more likely that some organisms will survive an ecological disaster

Answer

Greater genetic variation within species makes it more likely that some individuals will survive disease outbreak

Answer

The presence of a variety of herbivore species that can feed on a large number of different producer species helps ensure abundant prey for predators in the ecosystem.

Question 36

Which two animals below are primary consumers

Accepted Answer

moth and ant

Answer

mushroom and moth

Answer

ant and hawk

Answer

spider and mouse

Question 37

Which of the following is a tertiary consumer?

Accepted Answer

hawk

Answer

mouse

Answer

moth

Answer

spider

Question 38

If only 10% of an organism's energy is available for the next trophic level, what happens with the other 90% of the energy?

Accepted Answer

It is used for life processes or lost as body heat.

Answer

It is destroyed after it is used up.

Answer

It remains for the next trophic level IF the predator consumes ALL of the organism.

Answer

It is lost completely as body heat.

Question 39

A pyramid shape is used to show the amount of available energy at each trophic level because...

Accepted Answer

energy decreases as you go up the food chain, just like the pyramid shape gets smaller as you go up.

Answer

energy increases up the food chain just like the pyramid shape gets smaller as you go up.

Answer

energy amounts are the same at each trophic level

Question 40

Which organism in figure 1 contains the most available energy?

Accepted Answer

plants

Answer

mountain lions

Answer

hawks

Answer

none of the above

Question 41

The diagram represents different levels of a marine food pyramid. Between which two levels is the greatest amount of energy transferred

Accepted Answer

U and T

Answer

R and Q

Answer

S and R

Answer

T and S

Question 42

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

Accepted Answer

Top Predator

Answer

Producers

Answer

Herbivores

Answer

Carnivores

Question 43

If the original amount of energy in an energy pyramid is 10,000 J what amount is left for the apex predators?

Accepted Answer

10 J

Answer

1 J

Answer

100 J

Answer

1000 J

Question 44

How much energy is lost when organisms consume another organism from a different level?

Accepted Answer

90%

Answer

20%

Answer

50%

Answer

10%

Question 45

A food pyramid represent the relative amount of energy in trophic levels. Which of the following correctly shows a food pyramid?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 46

How many carnivores are shown in this food web?

Accepted Answer

5

Answer

6

Answer

4

Answer

3

Question 47

The diagram represents different levels of a marine food pyramid. Between which two levels is the least amount of energy transferred

Accepted Answer

R and Q

Answer

S and R

Answer

T and S

Answer

U and T

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