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Biology Unit 1: Ecology > Test > Flashcards

Test Flashcards

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1
Q

Biotic

A

Living organisms

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2
Q

Abiotic

A

A non-living part

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3
Q

Dependent Variable

A

Variable depends on another

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4
Q

Independent Variable

A

Variable that does not depend on another

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5
Q

Controlled Variable/Constant

A

Something you keep the same

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6
Q

10% Rule

A

Each level in an ecosystem only gives 10% of its energy to the levels above it

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7
Q

Greenhouse gas

A

Trap heat and make the planet warmer

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8
Q

Predator

A

An animal that naturally preys on others

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9
Q

Prey

A

An animal that is caught and killed by another for food

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10
Q

Predator-Prey Cycle

A

Based on a feeding relationship between two species

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11
Q

Mechanical defence

A

A body part or appendage serves a role in defence

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12
Q

Physical defence

A

Physical appearance that helps protect the animal

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13
Q

Chemical defence

A

Use of a chemical agent in defence

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14
Q

Behavioral defence

A

A behavior or action that helps the animal survive

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15
Q

Mimicry

A

The action or art of imitating someone or something

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16
Q

Competitive Exclusion Principle

A

Two species cannot coexist which compete for the same limited resource

17
Q

Symbiosis

A

A mutually beneficial relationship between different people or groups

18
Q

Mutualism

A

Interaction between two or more species where each species has a net benefit

19
Q

Commensalism

A

Two organisms in which one benefits and the other derives neither benefit nor harm

20
Q

Parasitism

A

One organism, the parasite, lives on or inside another organism, the host, causing it some harm

21
Q

Biodiversity

A

The variety and variability of life on Earth. It can be measured on various levels

22
Q

Species richness

A

The number of species within a region

23
Q

Relative abundance

A

The percent composition of an organism of a particular kind relative to the total number of organisms in a region

24
Q
A

Biology Unit 1: Ecology (1 decks)

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