Quiz about Env Unit 1 Test Review

Question 1

What is an endangered species?

Accepted Answer

A species at serious risk of extinction

Answer

A species that is found in an ecosystem by natural processes

Answer

A species that has a strong impact on a community

Answer

A nonnative species that spreads widely in a community

Question 2

Which of the following is NOT a threat to biodiversity?

Accepted Answer

Wildlife Protection Agency

Answer

Deforestation

Answer

Urbanization

Answer

Introduction of invasive species

Question 3

What leads to greater stability in ecosystems?

Accepted Answer

Greater biodiversity

Answer

Low biodiversity

Answer

Urbanization

Answer

Deforestation

Question 4

Which term describes a nonnative species that spreads widely in a community, causing negative impacts on native species?

Accepted Answer

Invasive species

Answer

Indicator species

Answer

Endemic species

Answer

Keystone species

Question 5

What does the term "endemic species" refer to?

Accepted Answer

Species that live in a limited area

Answer

Species introduced by humans

Answer

Species found naturally in an ecosystem

Answer

Species that are crucial to an ecosystem's health

Question 6

Why are indicator species important?

Accepted Answer

They provide information on the overall condition of the ecosystem

Answer

They introduce stability to ecosystems

Answer

They cause loss of habitats

Answer

They have a wide-ranging impact on a community

Question 7

What is an indicator species?

Accepted Answer

A species whose status provides information on the overall condition of the ecosystem

Answer

A species at serious risk of extinction

Answer

A species that spreads widely in a community

Answer

A species that has a wide-ranging impact on a community

Question 8

What is biodiversity?

Accepted Answer

The variety of organisms in an area

Answer

The loss of organisms in an area

Answer

The introduction of invasive species

Answer

The stability of ecosystems

Question 9

Which type of species is a keystone species?

Accepted Answer

A species that has a wide-ranging impact on a community

Answer

A species at serious risk of extinction

Answer

A species that spreads widely in a community

Answer

A species that is found in an ecosystem by natural processes

Question 10

What is the primary cause of loss of habitats and threat to biodiversity?

Accepted Answer

Deforestation

Answer

Introduction of invasive species

Answer

Urbanization

Answer

Native species

Question 11

Which of the following actions helps to conserve biodiversity?

Accepted Answer

Establishing protected areas

Answer

Overhunting

Answer

Introducing invasive species

Answer

Polluting water bodies

Question 12

What is the main role of a keystone species in an ecosystem?

Accepted Answer

To maintain the structure and balance of the ecosystem

Answer

To be at risk of extinction

Answer

To provide information about ecosystem health

Answer

To spread widely and outcompete native species

Question 13

Which of the following best describes habitat fragmentation?

Accepted Answer

The division of large habitats into smaller, isolated sections

Answer

The introduction of new species into an ecosystem

Answer

The increase in biodiversity in an area

Answer

The process of creating new habitats for species

Question 14

What is an individual?

Accepted Answer

One individual member of a species

Answer

a group of individuals of a species

Answer

all the different populations of a species that live in an area together

Answer

a community of organisms and their physical environment

Question 15

What is a population?

Accepted Answer

a group of individuals that belong to the same species and live in the same area

Answer

One individual member of a species

Answer

all the different populations of species that live together in an area

Answer

a community of species and the physical environment

Question 16

What is a community?

Accepted Answer

all the different populations living together in an area

Answer

One individual of a species

Answer

a group of individuals living together in an area

Answer

different communities and their physical environment

Question 17

What is an ecosystem?

Accepted Answer

all the communities in an area and the physical environment

Answer

One individual of a species

Answer

a group of individuals of a species that live in the same area

Answer

all the different species in an area

Question 18

What is a biome?

Accepted Answer

a group of similar ecosystems that share similar climates and animales

Answer

one individual of a species

Answer

all the different populations of species that live together in an area

Answer

all the biological communities and their physical environment

Question 19

What is a biome?

Accepted Answer

part of Earth in which life exists including land, water, and air or atmosphere

Answer

A group of individuals that belong to the same species and live in the same area

Answer

A biological community of interacting organisms and their physical environment

Answer

A group of ecosystems that share similar climates and animals

Question 20

Which is an example of an individual?

Accepted Answer

One rabbit

Answer

Many families of rabbits living together in a field

Answer

Rabbits, hawks, and foxes living together in an area

Answer

an area of hot climate and little rain where many communities live together

Question 21

What is an example of a population?

Accepted Answer

A group of lions living in the same area

Answer

One lion

Answer

Lions, gazelles, and elephants

Answer

A savannah

Question 22

What is an example of a community?

Accepted Answer

Many fish of the same species living in the area

Answer

One fish

Answer

Crabs, sharks, and species of fish in the same area

Answer

Many communities living in an aquatic environment

Question 23

Which is an example of an ecosystem?

Accepted Answer

An area of cold climate and communities of similar species

Answer

one elk

Answer

a group of elks living together in the same area

Answer

elks, snow rabbits, and owls living in the same area

Question 24

Organisms that can make their own food are called

Accepted Answer

Producers

Answer

Consumers

Answer

Omnivores

Answer

Decomposers

Question 25

Producers get their energy from

Accepted Answer

the sun

Answer

coffee

Answer

the soil

Answer

water

Question 26

Organisms that have to eat other organisms are called

Accepted Answer

consumers

Answer

producers

Answer

autotrophs

Answer

prey

Question 27

Another word for producer is

Accepted Answer

autotroph

Answer

heterotroph

Answer

carnivore

Answer

decomposer

Question 28

An organism that cannot make its own food is called a(n)

Accepted Answer

heterotroph

Answer

autotroph

Answer

producer

Question 29

An organism that only eats plants is call a(n)

Accepted Answer

herbivore

Answer

carnivore

Answer

omnivore

Answer

detritivore

Question 30

An organism that eats both plants and animals is called a(n)

Accepted Answer

omnivore

Answer

carnivore

Answer

herbivore

Answer

detritivore

Question 31

An organism that eats dead material is called a(n)

Accepted Answer

detritivore

Answer

carnivore

Answer

omnivore

Answer

herbivore

Question 32

An organism that only eats animals is called a(n)

Accepted Answer

carnivore

Answer

omnivore

Answer

herbivore

Answer

detritivore

Question 33

___% of energy is passed from one organism to another.

Accepted Answer

10

Answer

1

Answer

100

Answer

1000

Question 34

How many 'trophic level' are there in the 'energy pyramid'?

Accepted Answer

4 levels

Answer

10 levels

Answer

2 levels

Answer

3 levels

Question 35

What sort of 'organisms' are found in the 1st level?

Accepted Answer

producers

Answer

herbivores

Answer

carnivores

Question 36

What sort of 'organisms' are found in the 2nd level?

Accepted Answer

herbivores

Answer

producers

Answer

carnivores

Question 37

What sort of 'organisms' are found in the 3rd level?

Accepted Answer

carnivores

Answer

herbivores

Answer

producers

Question 38

What sort of 'organisms' are found in the 4th level?

Accepted Answer

carnivores

Answer

herbivores

Answer

producers

Question 39

What foods do herbivores eat?

Accepted Answer

plants

Answer

animals

Answer

plants and animals

Question 40

What foods do carnivores eat?

Accepted Answer

animals (meat)

Answer

plants

Answer

plants and animals (meat)

Question 41

What foods do omnivores eat?

Accepted Answer

plants and animals (meat)

Answer

plants

Answer

animals (meat)

Question 42

Is a cow an omnivore, carnivore, or herbivore?

Accepted Answer

herbivore

Answer

omnivore

Answer

carnivore

Question 43

Is a wolf an omnivore, carnivore, or herbivore?

Accepted Answer

carnivore

Answer

omnivore

Answer

herbivore

Question 44

Is a person an omnivore, carnivore, or herbivore?

Accepted Answer

omnivore

Answer

carnivore

Answer

herbivore

Question 45

Another name for plants is....

Accepted Answer

producer

Answer

herbivore

Answer

carnivore

Question 46

Plants get their energy from...

Accepted Answer

the sun

Answer

other animals

Answer

other plants

Question 47

Herbivores get their energy from...

Accepted Answer

eating plants

Answer

the sun

Answer

eating animals

Question 48

Carnivores get their energy from...

Accepted Answer

eating animals

Answer

the sun

Answer

eating plants

Question 49

Omnivores get their energy from eating

Accepted Answer

plants and animals

Answer

eating animals

Answer

eating plants

Question 50

Another name for herbivores is...

Accepted Answer

primary consumer

Answer

secondary consumer

Answer

tertiary consumer

Question 51

The 3rd trophic level has organisms that can also be called

Accepted Answer

secondary consumers

Answer

primary consumers

Answer

tertiary consumers

Question 52

The 4th trophic level has organisms that can also be called

Accepted Answer

tertiary consumers

Answer

primary consumers

Answer

secondary consumers

Question 53

If an animal 'preys' upon another animal, that means the animal _______ the other animal.

Accepted Answer

eats

Answer

plays with

Answer

makes friends with

Question 54

What do 'decomposers' eat

Accepted Answer

dead decaying matter (dead plants and animals)

Answer

plants that are alive

Answer

animals that are alive

Question 55

What is an example of a 'decomposer'?

Accepted Answer

bacteria & fungi(mushrooms)

Answer

tiger

Answer

fox

Question 56

What travels through a food chain or food web?

Accepted Answer

energy

Answer

waste

Answer

decomposers

Answer

trophic levels

Question 57

What is the ultimate energy for all life on Earth?

Accepted Answer

sunlight

Answer

vultures

Answer

plants

Answer

autotrophs

Question 58

The 1st organism in a food chain must always be what type of organism?

Accepted Answer

primary producer

Answer

primary consumer

Answer

herbivore

Answer

secondary consumer

Question 59

Name 2 food making processes.

Accepted Answer

photosynthesis and chemosynthesis

Answer

sunlight and bacteria

Answer

trophic levels and biomes

Answer

producers and consumers

Question 60

Where do chemosyntheic bacteria get their energy?

Accepted Answer

hydrothermal vents

Answer

sunlight

Answer

soil

Answer

nitrogen cycle

Question 61

Define herbivore

Accepted Answer

organism that obtains energy from eating autotrophs

Answer

organism that obtains energy from sunlight

Answer

organism that obtains energy from breaking down dead or decaying matter

Answer

organism that obtains energy from eating both plants and animals

Question 62

Herbivores are also called ____________________.

Accepted Answer

primary consumers

Answer

secondary consumers

Answer

predators

Answer

producers

Question 63

What are animals called that feed on herbivores?

Accepted Answer

secondary consumer

Answer

primary consumer

Answer

tertiary consumer

Answer

quaternary consumer

Question 64

Secondary consumers are eaten by larger _________________________________.

Accepted Answer

predators

Answer

prey

Answer

producers

Answer

primary energy source

Env Unit 1 Test Review

106 questions

What is an endangered species?

Which of the following is NOT a threat to biodiversity?

What leads to greater stability in ecosystems?

Which term describes a nonnative species that spreads widely in a community, causing negative impacts on native species?

What does the term "endemic species" refer to?

Why are indicator species important?

What is an indicator species?

What is biodiversity?

Which type of species is a keystone species?

What is the primary cause of loss of habitats and threat to biodiversity?

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