Quiz about CB9 Ecosystems

Question 1

In a meadow ecosystem, a population of rabbits increases. What populations are most likely to increase as a result?

Accepted Answer

foxes, hawks, and other predators of the rabbits

Answer

leafy plants that rabbits eat

Answer

rabbits that live elsewhere

Answer

worms that live in the meadow soil

Question 2

Without decomposers, what would build up on the ground and not return to the soil?

Accepted Answer

dead plant and animal matter

Answer

large rocks

Answer

rain water

Answer

bacteria and other microorganisms

Question 3

The role of plants in a food web is

Accepted Answer

producer

Answer

consumer

Answer

decomposer

Answer

predator

Question 4

How do animals depend on plant for survival?

Accepted Answer

Animals eat plants and other animals that eat plants for food

Answer

Animals help spread seeds of plants for new growth

Answer

Animals are producers in a food web

Answer

Plants and animals need sunlight to survive

Question 5

How do plants get their source of energy (food)?

Accepted Answer

Plants use the energy from the sun, air, and water to make their food

Answer

Plants get their food from the soil and water

Answer

Plants get their food from minerals

Answer

Plants get their food from the decaying plants and animals

Question 6

Which of these relationships is harmful?

Accepted Answer

A flea on a dog

Answer

crocodile and plover bird

Answer

Two scavenger birds fighting to eat a dead animal

Answer

A ladybug eating aphids on a plant

Question 7

What is a primary consumer?

Accepted Answer

An organism that eats plants.

Answer

An organism that eats meat.

Answer

An organism that eats dead things.

Answer

An organism that makes it own food.

Question 8

What is a carnivore?

Accepted Answer

An organism that eats meat.

Answer

An organism that eats plants.

Answer

An organism that make its own energy.

Answer

An organism that eats dead things.

Question 9

Which is a biotic factor?

Accepted Answer

Fox

Answer

Mountain

Answer

Air

Answer

Sunlight

Question 10

An individual living thing is a/an __________.

Accepted Answer

organism

Answer

habitat

Answer

ecosystem

Answer

population

Question 11

The place where an organism lives is its _________.

Accepted Answer

habitat

Answer

abiotic

Answer

ecosystem

Answer

community

Question 12

All of the nonliving parts of an ecosystem are _______.

Accepted Answer

abiotic

Answer

biography

Answer

biotic

Answer

biology

Question 13

A group of organisms of the same species living in the same area are called a/an ________.

Accepted Answer

population

Answer

community

Answer

habitat

Answer

ecosystem

Question 14

All of the living and nonliving things in an area that interact with each other are called a/an ______.

Accepted Answer

ecosystem

Answer

community

Answer

habitat

Answer

population

Question 15

A group of different species that live together and interact in an environment are called a/an ________.

Accepted Answer

community

Answer

habitat

Answer

population

Answer

ecosystem

Question 16

Energy flow for an ecosystem starts with...

Accepted Answer

Sun

Answer

Moon

Answer

Neither

Question 17

What is the definition of Biotic factors?

Accepted Answer

Living things or organisms

Answer

Dead things

Answer

plants

Answer

soil

Question 18

On a food web, the arrows show...

Accepted Answer

where the energy is going.

Answer

what eats what.

Answer

what each organism hunts.

Answer

who is friends with whom.

Question 19

Field mice are the primary food source for horned owls in an area. Due to a drought, many field mice left the area. Which result would this drought most likely have on the horned owls?

Accepted Answer

Horned owls will follow the field mice to a different area.

Answer

The horned owl population will consume more field mice.

Answer

The horned owl population will increase in the area.

Answer

Horned owls will change to a plant-based diet.

Question 20

Which population would be most affected if there is a decrease in the population of aquatic insects?

Accepted Answer

frog

Answer

elk

Answer

moose

Answer

squirrel

Question 21

Deer are introduced into a grassland ecosystem and their population increases considerably. If the deer population continues to grow, which is the most likely outcome for the ecosystem?

Accepted Answer

Biodiversity would decrease, and sustainability would decrease.

Answer

Biodiversity would decrease, and sustainability would increase.

Answer

Biodiversity would increase, and sustainability would increase.

Answer

Biodiversity would increase, and sustainability would decrease.

Question 22

Which of the following is an example of an interaction between a living and nonliving organism?

Accepted Answer

a worm using the soil as shelter

Answer

a snake using a mouse for food

Answer

a bird using an insect for food

Question 23

Which of the following symbiotic relationships is considered parasitic?

Accepted Answer

Ticks feeding on a dog

Answer

Bees transporting pollen from flowers

Answer

Pilotfish swimming under sharks

Answer

Birds eating the insects fromo the back of hippo

Question 24

Maria and her classmates are observing animals at the pond. They notice that wood storks and ibisies both feed on fish. Which of these describes the relationship between these two birds.

Accepted Answer

Competition

Answer

Parasitism

Answer

Predator and prey

Answer

Producer and consumer

Question 25

Which of these describes a mutually beneficial relationship between two organisms?

Accepted Answer

A honeybee pollinating a plant and receiving nectar for food

Answer

A dog with worms in its intestine

Answer

A turtle and a snail that both eat grass live in a river

Answer

A small fish attached to a shark, eating tiny pieces of the shark's food as it floats

Question 26

An organism that is killed and eaten by another organism

Accepted Answer

Prey

Answer

Predator

Answer

Parasite

Answer

Host

Question 27

Relationship where both organism benefit

Accepted Answer

Mutualism

Answer

Competition

Answer

Commensalism

Answer

Parasitism

Question 28

What is conservation?

Accepted Answer

Saving natural resources.

Answer

Watching television throughout the day.

Answer

Using natural and human resources.

Answer

Leaving the watering running.

Question 29

Pick All of the R's of Conservation.

Accepted Answer

Reduce

Accepted Answer

Reuse

Accepted Answer

Recycle

Answer

Remind

CB9 Ecosystems

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