Ecosystems Quiz - Parts, Players, and Processes

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So much stuff to know....

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1. Ecology is the study of

living things

non-living things in the various biomes

the habitats of organisms in an ecosystem

the relationships and interaction between organisms and their environment

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2. What is an ecosystem made of?

Sugar and spice and everything nice

biotic interactions

abotic interactions

abiotic and biotic factors

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3. Which of the following is an abiotic component of an ecosystem?

grass

air temperature

bacteria

wombats

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4. A group of similar organisms that can create fertile offspring are called a(n)

ecosystem

population

community

species

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5. All of the living and nonliving components in a habitat are called a(n)

species

population

ecosystem

biome

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6. All of the populations that live in an area are a

community

species

biosphere

biome

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7. A bear's role in his ecosystem is to be a carnivore of salmon. This is an example of the bear's

habitat

species

population

niche

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8. If you take out all of the autotrophs, which tropic level will be the first first to die out?

Secondary consumers

Primary consumers

Tertiary consumers

Tetrary consumers

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9. If you take out any one trophic level, the ecosystem will still survive.

True

False

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10. A relationship in which one organism benefits and one isn't affected is

parasitism

commensalism

mutualism

amenalism

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11. Which is a diagram that shows one path of energy transfer?

cladogram

taxonomic tree

food web

food chain

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12. Which of the following shows an interaction between a terrestrial and an aquatic food web?

plankton->minnow->tuna-->shark

aquatic larvae-->minnow-->frog-->sea hawk

worm-->bird-->weasel-->wolf

insect-->toad-->snake-->hawk

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13. How does nitrogen get from the air into a plant?

absorbing N2 through the roots

dissolved by water

after being fixed by bacteria

absorbing it from the air

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14. Energy is lost to the environment when an organism changes that energy into what?

sugar

sunlight

heat

petroleum

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15. In photosynthesis, the reactants (ingredients) are sunlight, water, and carbon dioxide. What are the products? (what does it produce?)

nitrogen

oxygen

sugar

carbon dioxide

energy

giant wombats

16. Nitrogen, carbon, water, and phosphorous all _____________ the ecosystem.

leave little by little over time from

cycle throughout

are created by

are recreated daily by

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17. When herbivores eat plants, they convert nitrogen-containing plant proteins into nitrogen-containing.....

animal proteins

complex plant proteins

fertilizer

Zombie wombats

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18. Plants use sunlight as the energy to assemble carbon-based sugar molecules. But where does the carbon come from?

within the plant

carbon dioxide in the air

the soil

atoms in the water

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19. Even though energy is naturally lost little by little as it goes through the ecosystem, it is constantly being replenished by energy from

plants

animals

the Earth

the Sun

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20. As you go up each trophic level in an energy pyramid, how much energy is lost?

1 %

10%

15%

20%

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21. The main ideas of this ecosystem unit are...

Energy moves through the ecosystem, but some is lost each step

Matter, like carbon and nitrogen, cycles through the ecosystem.

Organisms and their relationships (all ism relations, food webs and chains)

Ecosystems are on land and in the water, are made of biotic and abiotic parts which are all interconnected.

All of these.

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22. Now that you've taken the quiz, what topics do you feel you need to go back and study before the test?

23. What helped you learn what you knew?

24. What could you do to help yourself learn what you didn't know?

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