Quiz about Ecosystems Interactions

Question 1

An animal that eats another animal is called...

Accepted Answer

Predator

Answer

Prey

Answer

Organism

Answer

Mammal

Question 2

An animal that gets eaten by another animal is called...

Accepted Answer

Prey

Answer

Mammal

Answer

Organism

Answer

Predator

Question 3

This occurs when organisms in a community fight for the same limited resource.

Accepted Answer

Competition

Answer

Commensalism

Answer

Mutualism

Answer

Symbiosis

Question 4

The lavender plant serves an important role in the life cycle of the monarch butterfly. Adult monarchs lay their eggs in the lavender plant, and then the monarch caterpillars eat that same plant during their development.

Based on the relationship between monarchs and lavender, what is one reasonable prediction a scientist could make?

Accepted Answer

If the lavender population goes down, the monarch population will do down.

Answer

Population of monarch butterflies should remain constant when lavender population decreases.

Answer

A decrease in the lavender population would cause a monarch butterfly population increase.

Answer

If the population of lavender remains constant (the same), the monarch butterfly population increases.

Question 5

The following picture is an example of...

Accepted Answer

population

Answer

community

Answer

microorganism

Answer

predator

Question 6

Ava decides to spend the weekend observing the squirrels in the neighborhood. As she watches them, she takes photos and makes notes about their activities. The drawing shows one of the activities she observes. Ava observes the squirrels in many types of interactions. Which of the following is an interaction with an abiotic factor of the environment?

Accepted Answer

Drinking water from a stream

Answer

Catching beetles on the lawn

Answer

Burying acorns by an oak tree

Answer

Running from a neighbor's cat

Question 7

An organism, such as a plant that makes its own food.

Accepted Answer

producer

Answer

biotic factor

Answer

abiotic factor

Answer

terrestrial

Question 8

an organism that breaks down wastes and the remains of other organisms into simpler substances

Accepted Answer

decomposer

Answer

food chain

Answer

consumer

Answer

aquatic

Question 9

the path that energy takes from one organism to another in the form of food.

Accepted Answer

food chain

Answer

decomposer

Answer

consumer

Answer

aquatic

Question 10

the food chains that overlap in an ecosystem

Accepted Answer

food web

Answer

food chain

Answer

decomposer

Answer

aquatic

Question 11

A consumer that eats meat only

Accepted Answer

carnivore

Answer

decomposer

Answer

omnivore

Answer

herbivore

Question 12

A consumer that eats plants only

Accepted Answer

herbivore

Answer

carnivore

Answer

decomposer

Answer

omnivore

Question 13

A consumer that eats plants and animals

Accepted Answer

omnivore

Answer

carnivore

Answer

decomposer

Answer

herbivore

Question 14

Photosynthesis occurs in the world's ocean mainly by these microorganisms.

Accepted Answer

phytoplankton

Answer

oxygen

Answer

fish

Answer

bears

Question 15

What gas does photosynthesis produce that animals must have to survive?

Accepted Answer

oxygen

Answer

methane

Answer

butane

Answer

carbon dioxide

Question 16

A habitat is a small group of ducks.

Accepted Answer

False: It's a place where an organism naturally lives and grows

Answer

True: It's ducks.

Answer

False: It's a small group of chickens.

Answer

False: It's a place where organisms are taken so they can adapt

Question 17

Students are describing the ecosystem in an area. Which of these lists ALL the components the students should include in their description?

Accepted Answer

all living and non-living factors

Answer

all plant and animal species

Answer

all weather patterns and climates

Answer

all elements and chemical substances

Question 18

Eelgrass is a major source of food for birds and turtles in an estuary.  What will most likely happen to the bird and turtle populations if people remove the eelgrass to build a bridge?

Accepted Answer

Both populations will decrease

Answer

The turtle population will increase, but the bird population will decrease

Answer

Both the bird population and the turtle population will increase

Answer

The bird population will increase, but the turtle population will decrease

Question 19

In a grassland ecosystem, if the population of eagles suddenly decreased, what will most likely be the effect on the rest of the ecosystem?

Accepted Answer

The ecosystem will become overpopulated with snakes

Answer

There will be a decrease in the population of snakes in the ecosystem

Answer

The nutrition of the soil in the ecosystem will decrease

Answer

More types of plants will begin growing in the ecosystem

Question 20

Meadow moles are small mouse-like animals that eat plants and animals. Their niche in an ecosystem is a?

Accepted Answer

omnivore

Answer

herbivore

Answer

producer

Answer

scavenger

Question 21

Which best explains why many kinds of plants and animals can live together in an ecosystem?

Accepted Answer

The plants and animals are all part of a food chain and depend on each other to live.

Answer

The plants and animals all care for each other and protect one another.

Answer

The plants and animals are independent of one another, so they can live together,

Answer

The plants and animals all feed on the same things, so they compete with each other for food.

Question 22

Which best explains why many kinds of plants and animals can live together in an ecosystem?

Accepted Answer

The plants and animals are all part of a food chain and depend on each other to live.

Answer

The plants and animals all care for each other and protect one another.

Answer

The plants and animals are independent of one another, so they can live together,

Answer

The plants and animals all feed on the same things, so they compete with each other for food.

Question 23

Wood ducks build their nests in holes in trees near lakes. If some of the  trees were removed from around the lake, how would the wood ducks be affected?

Accepted Answer

Wood ducks would increase their competition for nests.

Answer

Wood ducks would become a new species.

Answer

Wood ducks would lay more eggs in each nest.

Answer

Wood ducks would begin building their nests on the ground.

Question 24

The place in which an organism lives

Accepted Answer

habitat

Answer

population

Answer

ecosystem

Answer

niche

Question 25

What prevents plant growth beneath the trees in thick forests?

Accepted Answer

The trees limit the amount of sunlight that is able to reach the ground.

Answer

The roots of the tree make it difficult for plants to grow

Answer

Little water reaches the ground under the trees

Answer

Little water reaches the ground under the trees

Question 26

Which of these is an example of one living thing depending on another living thing?

Accepted Answer

Bird building a nest in a tree

Answer

Cat walking on the sand

Answer

Dog warming in the sunlight

Answer

Squirrel drinking water

Question 27

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?

Accepted Answer

The rat population will decline (decrease).

Answer

The rat population will rise (increase).

Answer

The rat population will stay the same.

Answer

The rat population will double.

Question 28

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

Accepted Answer

There would be a decrease in the grass/flowers population.

Answer

There would be a decrease in the small bird population.

Answer

There would be a decrease in the mice population.

Answer

There would be an increase in the grass/flowers population.

Question 29

Which organism do the owl and the weasel compete for in the food web?

Accepted Answer

Shrew

Answer

Hawk

Answer

Spider

Answer

Grasshopper

Question 30

The shrew provides energy for the _______?

Accepted Answer

snake

Answer

cricket

Answer

grasshopper

Answer

frog

Question 31

Which of the following is a herbivore?

Accepted Answer

cricket

Answer

frog

Answer

hawk

Answer

shrew

Ecosystems Interactions

32 questions

An animal that eats another animal is called...

An animal that gets eaten by another animal is called...

This occurs when organisms in a community fight for the same limited resource.

The following picture is an example of...

An organism, such as a plant that makes its own food.

an organism that breaks down wastes and the remains of other organisms into simpler substances

the path that energy takes from one organism to another in the form of food.

the food chains that overlap in an ecosystem

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