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Science 7B > Living Systems > Flashcards

Living Systems Flashcards

1
Q

What is the force exerted on a cell wall by the water within a cell?

A

Turgor Pressure

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2
Q

What is a growth response in plants that is influenced by the force of gravity?

A

Geotropism

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3
Q

What is the energy of an organism while it is moving?

A

Kinetic Energy

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4
Q

What is the energy available to organism because of its position, condition, or chemical composition?

A

Potential Energy

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5
Q

What is the ability to make change happen?

A

Energy

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6
Q

What is a push or pull exerted on an object?

A

Force

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7
Q

What is the total kinetic energy of a substance’s atoms?

A

Thermal Energy

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8
Q

What is the energy stored within the bonds of a molecule?

A

Chemical Energy

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9
Q

True/False:

Matter is anything that has mass and takes up space.

A

True

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10
Q

True/False:

The law of conservation of energy states that energy cannot change from one form to another.

A

False

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11
Q

True/False:

The law of conservation of mass states that mass can be created or destroyed.

A

False

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12
Q

True/False:

An energy pyramid is a tool that can be used to trace the flow of energy through an ecosystem.

A

True

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13
Q

True/False:

Energy is the ability to do work.

A

True

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14
Q

True/False:

Nitrogen, carbon, and water are examples of matter that cycle through ecosystems.

A

True

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15
Q

What are regions where the climate determines the types of organisms that live there?

A

Biome

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16
Q

What biome has a permafrost layer with a thin layer of soil above it?

A

Tundra Biome

17
Q

What biome has a low average temperature and nutrient-poor soil?

A

Taiga Biome

18
Q

What tree has evergreen, needlelike leaves that are retained year-round?

A

Coniferous Tree

19
Q

What biome is hot during the day and cold at night?

A

Desert Biome

20
Q

What biome has thin soil and few trees?

A

Grassland Biome

21
Q

What tree has broad leaves that drop as winter approaches?

A

Deciduous Tree

22
Q

What is an event that changes an ecosystem?

A

Disturbance

23
Q

What is the role each species has in an ecosystem relative to other species?

A

Niche

24
Q

What is the slow development of an ecological community by another ecological community over time?

A

Succession

25
Q

What is a process in which nutrients are added to an ecosystem?

A

Eutrophication

26
Q

What are the first organisms to live in an uninhabited area?

A

Pioneer Species

27
Q

What is the ability of an ecosystem to survive change?

A

Biodiversity

Science 7B (4 decks)

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