Krausz Environmental Science- Chapter 5 Test

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1 point

What type of succession occurs after a flood or fire?

secondary

primary

1 point

Which one of the following is the largest carbon sink on the Earth?

Atlantic Ocean

limestone

1 point

If an insect eats a plant and the bird eats the insect, how much energy will be STORED in the bird?

90%

10%

1 point

Succession is possible because ___________.

new species make the environment less suitable for previous ones

climates change over time

1 point

Nitrogen fixing bacteria are found in the roots of beans and peas called LEGUMES.

True

False

1 point

Organisms that get their food by breaking down dead organisms are called PRODUCERS.

True

False

1 point

Consumers get their energy DIRECTLY from the Sun from photosynthesis.

True

False

1 point

Which organism is likely to be at the bottom of the aquatic food chain?

killer whale

krill

seals

algae

1 point

The energy transfer in a FOOD CHAIN is more complex.

True

False

10.

1 point

What type of vegetation would you expect to see on an abandoned farm after 150 years?

lichens and bacteria

small bushes

grasses and leaves

tall, mature oak trees

11.

1 point

Some natural disasters, such as fires, lead to PRIMARY succession.

True

False

12.

1 point

Which gas makes up 78% of the atmosphere?

sulfur

nitrogen

13.

1 point

During succession, a final stable community is called a CHAMELEON COMMUNITY.

True

False

14.

1 point

Which one of these does NOT contain carbon?

oil

phosphate salts

natural gas

coal

15.

1 point

Which of the following is likely to be a pioneer species?

lichens and bacteria

grasses and shrubs

oak and pine trees

16.

1 point

PIONEER SPECIES are known as the first organisms to colonize an area.

True

False

17.

1 point

Underground NITROGEN sources are known as FOSSIL FUELS.

True

False

18.

1 point

What is the term used to refer to the MANY feeding relationships that are possible in the ecosystem?

food web

food chain

19.

1 point

Plants play a crucial role in the carbon cycle because __________.

they allow nitrogen to be fixed

they allow carbon to enter through photosynthesis

20.

1 point

Which of these organisms are photosynthetic?

fungi (mushroom)

freshwater algae

intestinal bacteria (E coli)

deeply buried soil bacteria

21.

1 point

Energy consumed by organisms _____________.

can be stored as fats and oils

remains constant at all levels

22.

1 point

New islands that pop up in the Atlantic Ocean are examples of PRIMARY succession.

True

False

23.

1 point

DDT traveled up the food chain and almost made the Bald Eagles go extinct.

True

False

24.

1 point

Which kind of organism obtains energy ONLY from producers?

herbivores

omnivores

25.

1 point

HYDROGEN SULFIDE producing organisms the bottom of the food webs in the deep ocean

True

False

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