Quiz about Science: Intro to Ecology

Question 1

The original source of energy for a food web is...

Accepted Answer

sun

Answer

plants

Answer

producers

Answer

decomposers

Question 2

Decomposers get energy from...

Accepted Answer

dead things and waste

Answer

the sun

Answer

eating plants

Answer

eating animals

Question 3

Producers are ...

Accepted Answer

all of these are true

Answer

plants

Answer

able to do photosynthesis

Answer

also called autotrophs

Question 4

Who is the producer?

Accepted Answer

lettuce

Answer

greenfly

Answer

ladybird

Answer

thrush

Question 5

What is a producer?

Accepted Answer

an organisms that uses sunlight to make its own food

Answer

an organism that gets energy from eating other organisms

Answer

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

Question 6

An animal that hunts other animals for food is a ___________

Accepted Answer

predator

Answer

herbivore

Answer

prey

Answer

omnivore

Question 7

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 8

An organism that gets energy from eating other organisms is a ______________

Accepted Answer

consumer

Answer

producer

Answer

decomposer

Question 9

A connection of food chains with many food energy paths in an ecosystem is a ____________

Accepted Answer

food web

Answer

ecosystem

Answer

environment

Question 10

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 11

The grasshopper has to eat the grass in order to get energy. This means the grasshopper is a(n) __________________________________________.

Accepted Answer

consumer

Answer

carnivore

Answer

producer

Answer

decomposer

Question 12

In a different food chain, the mouse might eat the seeds of a plant. Because a mouse can eat plants and animals, it is classified as a(n) ________________________________________.

Accepted Answer

ominivore

Answer

hervivore

Answer

decomposer

Answer

carnivore

Question 13

Which of the following are the producers in the food web?

Accepted Answer

Marsh grasses and cattails

Answer

Grasshoppers and crickets

Answer

Hawks and snakes

Answer

Shrews and Frogs

Question 14

Which two animals does the hawk eat according to this food web?

Accepted Answer

Shrews and snakes

Answer

Shrews and frogs

Answer

Snakes and frogs

Answer

Shrews and Crickets

Question 15

Select a sequence of one food chain represented in this food web, starting with a producer.

Accepted Answer

cattails, crickets, shrews, hawks

Answer

marsh grass, crickets, shrews, snakes

Answer

marsh grass, grosshoppers, frogs, hawks

Answer

cattails, crickets, frogs, hawks

Question 16

Which of the following are considered a primary consumer? (can be more than one)

Accepted Answer

grasshopper

Accepted Answer

crickets

Answer

shrew

Answer

hawk

Question 17

In this food chain, what will happen if the frogs become extinct?

Accepted Answer

The grasshoppers will increase.

Answer

The snakes will increase.

Answer

The grasshoppers will decrease.

Answer

The eagles will remain the same.

Question 18

What is the driving source of energy for the food web?

Accepted Answer

Sun

Answer

Orca

Answer

Seal

Answer

Larvae

Question 19

Which type of consumer is always a primary consumer?

Accepted Answer

Herbivore

Answer

Omnivore

Answer

Carnivore

Answer

Producer

Question 20

Several food chains linked together make up

Accepted Answer

food web

Answer

food pyraid

Answer

ecosystem

Question 21

The arrows in a food chain or web represents what?

Accepted Answer

They show what direction the energy is flowing between organisms.

Answer

They point to the organism that is being eaten.

Answer

It shows how sunlight flows within an ecosystem.

Answer

They represent how water is transferred within a habitat.

Question 22

Look carefully at the image. Which organism is tertiary consumer?

Accepted Answer

bird

Answer

Wolf

Answer

lizard

Answer

grasshopper

Question 23

An organism that gets energy from breaking down dead organisms, non-living material or waste is a(an) ___________.

Accepted Answer

decomposer

Answer

producer

Answer

consumer

Answer

autotroph

Question 24

Which animal is the top predator?

Accepted Answer

hawk

Answer

lizard

Answer

snake

Answer

grass

Question 25

Which scenario describes a population?

Accepted Answer

all the mice living in a barn

Answer

a log providing shelter for beetles, spiders, and snakes

Answer

all of the sunfish, bass, and catfish living in a lake

Answer

a squirrel eating acorns

Question 26

Deer and wolves share the same habitat. If the deer population decreased due to being hunted by man, how would this affect the wolf population?

Accepted Answer

The wolf population would decrease.

Answer

More wolves would immigrate to the area.

Answer

The wolf population would increase.

Answer

The would population would experience no change.

Question 27

The graph shows the number of reindeer in a forest from 1970 to 2010. Which point on the graph indicates that the population had been affected by competition among reindeer for a limited food supply?

Accepted Answer

Point D

Answer

Point A

Answer

Point B

Answer

Point C

Question 28

Why are there fewer organisms in each level as you go up the energy pyramid?

Accepted Answer

There is less energy availabe at higher levels.

Answer

There is more energy available at higher levels.

Answer

Higher levels have more mean animals.

Answer

Coyotes get hungrier.

Question 29

According to the pond food web shown, which organism is a producer?

Accepted Answer

diatoms

Answer

beetles

Answer

carp

Answer

herons

Question 30

If a disease killed all the mice in the food web shown here, how would that affect the owls and hawks?

Accepted Answer

Owls would be affected more because they are predators for fewer animals that the hawks.

Answer

Hawks would be affected more because they are predators for more animals than the owls.

Answer

Since they are both predators of mice, the hawks and the owls would be affected the same.

Answer

Since they are both predators of other animals, neither the hawks nor the owls would be affected.

Question 31

A species that is NOT native to a particular region is called-

Accepted Answer

invasive

Answer

natural

Answer

endemic

Answer

extraordinary

Question 32

An increase in population-

Accepted Answer

causes an increase in the need for natural resources.

Answer

causes a decrease in the need for natural resources.

Answer

causes no change in the need for natural resources.

Answer

has never occurred.

Question 33

Which level of organization does the group pictured represent?

Accepted Answer

a population

Answer

a community

Answer

an organism

Answer

an ecosystem

Question 34

What is the smallest level of organization within an ecosystem?

Accepted Answer

organism

Answer

population

Answer

community

Answer

ecosystem

Question 35

What is an example of an ecosystem?

Accepted Answer

a group of deers, the sun, rabbits, the lake, the soil, a bird, a tree

Answer

a deer

Answer

a group of deers

Answer

a group of deers, rabbits, a bird, and a tree

Question 36

Which of the following groups are abiotic?

Accepted Answer

water, sun, 98 degrees, soil

Answer

bird, fish, tree, frog

Answer

shark, manatee, fly, lizard

Answer

water, shark, tree, soil

Question 37

Which of the following is a biotic factor?

Accepted Answer

a bird flying

Answer

a stream flowing

Answer

an airplane taking off

Answer

a thunderstorm

Question 38

Biotic factors are...

Accepted Answer

living things

Answer

non-living things

Answer

undead things

Question 39

Abiotic factors are...

Accepted Answer

non-living things

Answer

living things

Answer

undead things

Question 40

Some examples of biotic factors would be

Accepted Answer

all of the above

Answer

trees

Answer

insects

Answer

bacteria

Question 41

Which of these is NOT an abiotic factor?

Accepted Answer

grass

Answer

water

Answer

temperature

Answer

soil

Question 42

Which of the following is an abiotic factor that plants depend on?

Accepted Answer

nutrients in the soil

Answer

seed-eating birds

Answer

insect pollinators

Answer

ants building their nests in trees

Question 43

Which of the following is a biotic factor?

Accepted Answer

humans

Answer

bridges

Answer

roads

Answer

water

Question 44

The following picture is an example of...

Accepted Answer

population

Answer

community

Answer

microorganism

Answer

predator

Question 45

Identify the ecosystem

Accepted Answer

Forest

Answer

Tundra

Answer

Freshwater

Answer

Desert

Question 46

Identify the ecosystem

Accepted Answer

Grassland

Answer

Forest

Answer

Tundra

Answer

Freshwater

Question 47

This ecosystem contains salt water.

Accepted Answer

Ocean

Answer

Forest

Answer

Grassland

Answer

Lakes/Ponds

Question 48

Swamps and marshes are both examples of ______________.

Accepted Answer

wetlands

Answer

forests

Answer

grasslands

Answer

lakes/ponds

Question 49

A place where living and nonliving things interact

Accepted Answer

ecosystem

Answer

population

Answer

community

Answer

nutrient cycle

Question 50

The number of species living in an ecosystem is referred to as...

Accepted Answer

biodiversity

Answer

succession

Answer

the food chain

Answer

productivity

Question 51

Examples of elements that are recycled in an ecosystem include which of the following?

Accepted Answer

carbon

Answer

energy

Answer

water

Answer

ammonia

Question 52

Biome with many different species of cacti and reptiles and very little rainfall.

Accepted Answer

Desert

Answer

Temperate Rainforest

Answer

Tropical Rainforest

Answer

Arctic Tundra

Question 53

Air is a mixture of colorless gases. Air is an example of which type of factor?

Accepted Answer

ABIOTIC

Answer

BIOTIC

Question 54

All living things or organisms in an ecosystem are

Accepted Answer

biotic factors

Answer

None

Answer

abiotic factors

Question 55

Is temperature a biotic or abiotic factor?

Accepted Answer

abiotic

Answer

biotic

Question 56

Are producers biotic or abiotic factors?

Accepted Answer

biotic

Answer

abiotic

Question 57

Are decomposers biotic or abiotic factors?

Accepted Answer

biotic

Answer

abiotic

Question 58

An angler fish has a fleshy growth on its head that gives off light. This part acts as a lure to help the angler fish catch its prey. An anglerfish is an example of which type of factor?

Accepted Answer

Biotic

Answer

Abiotic

Question 59

Is soil a biotic or abiotic factor?

Accepted Answer

abiotic

Answer

biotic

Question 60

Is wind a biotic or abiotic factor?

Accepted Answer

abiotic

Answer

biotic

Question 61

Organisms and environment function as a unit in a(n) ________________.

Accepted Answer

ecosystem

Answer

species

Answer

community

Answer

population

Question 62

____________________ is the struggle among organisms for resources such as food, water, and space.

Accepted Answer

competition

Answer

crowding

Answer

predation

Answer

limitation

Question 63

Abiotic factors include all of the following except -

Accepted Answer

competition.

Answer

temperature.

Answer

pH.

Answer

availability of water.

Question 64

Biotic factors include all of the following except -

Accepted Answer

climate.

Answer

parasitism.

Answer

feeding relationships.

Answer

predation.

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