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Mr. Hansen - Biology > Chapter 3 - Ecosystems > Flashcards

Chapter 3 - Ecosystems Flashcards

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1
Q

Which sequence best illustrates the flow of energy?

A

Sun → grass → grasshopper → frog → snake → owl

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2
Q

This organism traps its prey in a web, stings it, paralyzes it, and sometimes saves it to eat later. Is it a…

A

Consumer

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3
Q

A disease kills many rodents; what will likely occur after this?

A

The numbers of owls will decrease.

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4
Q

Frog. Is it a…?

A

Consumer

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5
Q

What is an omnivore?

A

An animal that eats plants and meat.

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6
Q

Earthworm. Is it a…?

A

Decomposer

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7
Q

What are the nonliving parts of an organism’s habitat?

A

Abiotic factors

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8
Q

Anything that constrains a population’s size and slows or stops it from growing.

A

Limiting factor.

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9
Q

What animal type is a lion?

A

Consumer

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10
Q

Cactus. Is it a…?

A

Producer

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11
Q

The movement of carbon from the nonliving environment into living things and back.

A

Carbon Cycle.

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12
Q

Bacteria is an example of a __________.

A

Decomposer

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13
Q

I am made up of many overlapping food chains.

A

Food web

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14
Q

Living factors like plants and animals.

A

Biotic factors.

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15
Q

Which is the role of the turtle

A

consumer

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16
Q

An environment that provides the things a specific organism needs to live, grow, and reproduce.

A

a habitat

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17
Q

The Law of Conservation of ______ states that matter is neither created nor destroyed during any chemical or physical change.

A

Mass

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18
Q

What is a herbivore?

A

An animal that eats only plants.

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19
Q

This organism draws its nutrients from dead organisms as it releases enzymes to cause the organisms to break down and break apart. Is it a…?

A

decomposer

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20
Q

All the members of one species living in a particular area.

A

A population

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21
Q

Only about ________ percent of the energy at one level of a food web is available to the next higher level.

A

10

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22
Q

Abiotic factors.

A

Non-living factors like water, sun, sand, and air.

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23
Q

All the different populations that live together in an area

A

a community

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24
Q

Which of these is a consumer?

A

deer

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25
Q

Fungi. Is it a…?

A

Decomposer

26
Q

If the plants in a community provide 10,000 cal of energy, approximately how much of that energy would be available to the next organism in the food chain that eats the plants?

A

1000

27
Q

Water, oxygen, carbon dioxide, light, and minerals are examples of….

A

abiotic facotrs

28
Q

Rabbit, deer, sheep, cow.

A

Examples of herbivores.

29
Q

The parts of a habitat that are or once were alive and interact with an organism.

A

A biotic factor

30
Q

Source of plants’ energy

A

sunlight

31
Q

The transfer of nitrogen from the atmosphere to the soil, to living organisms, and back to the atmosphere.

A

nitrogen cycle

32
Q

What happens to the population of mice eating ferrets if there’s no more mice to eat?

A

The ferret’s population will decrease.

33
Q

Things an organism gets from its environment that it needs to live, grow, and reproduce are…

A

resources

34
Q

Carbon and _______ are essential for life

A

oxygen

35
Q

What is an organism?

A

a living thing

36
Q

an organism’s position in the ecosystem.

A

role

37
Q

True/False: Energy can be created or destroyed, but it cannot change from one form to another

A

FALSE

38
Q

I break down biotic waste and dead organisms.

A

decomposer

39
Q

The number of individuals in an area of a specific size

A

density

40
Q

The number of individuals in an area of a specific size

A

limiting factor

41
Q

As you work your way up the energy pyramid, what happens to the energy?

A

Decreases

42
Q

An organism that can make its own food is a…?

A

producer

43
Q

A diagram that shows the amount of energy that moves from one feeding level to another in a food web.

A

energy pyramid

44
Q

The community of organisms that lives in a particular area along with the nonliving environment

A

an ecosystem

45
Q

*An organism that gets energy by feeding on other organisms

A

consumer

46
Q

A hurricane came ashore and brought saltwater with it. How might this affect the living things in freshwater?

A

Organisms that cannot live in saltwater will not survive.

47
Q

A visual showing how one thing eats another to get energy.

A

Food chain

48
Q

Food webs begin with energy supplied by…?

A

sun

49
Q

________ and oxygen are essential for life

A

carbon

50
Q

Examples of producers

A

Grass, oak tree, sunflower, rose bush.

51
Q

What is a carnivore?

A

an animal that only eats meat

52
Q

What is a scavenger?

A

an organism that feeds off of decayed organisms

53
Q

a living thing

A

organism

54
Q

Carbon and _______ are essential for life

A

oxygen

55
Q

Consists of many overlapping food chains in an ecosystem

A

food web

56
Q

The process of a gas changing to a liquid

A

condensation

57
Q

A series of events in which one organism eats another and obtains energy and nutrients.

A

food chain

58
Q

An environment that provides the things a specific organism needs to live, grow, and reproduce.

A

habitat

59
Q

The law of Conservation of ______ states that when one form of energy is transformed to another, no energy is lost in the process.**

A

energy

60
Q
A

Mr. Hansen - Biology (1 decks)

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