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Biology > Ecosystems > Flashcards

Ecosystems Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Define habitat

A

Where an organism lives

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2
Q

Define population

A

Each individual organism of a population of the same species

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2
Q

Define community

A

All of the population of a different species living in an area

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3
Q

Define ecosystem

A

Made up of a community of organsims interacting with the non-living and living elements in their environment

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4
Q

Competition between the same species is called what

A

Intraspecific competition

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5
Q

Competition between different species is called what

A

Interspecific competition

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6
Q

What do plants compete for

A

Light
Space
Minerals ions / nutrients
Water

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7
Q

What do animals compete for

A

Food
Territory
Water Mates

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8
Q

Biotic ?
Abiotic ?

A

Living
Non-living

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9
Q

Biotic factors that affect a community

A

Availability of food
New predators
New pathogens / diseases
A species outcompeting another so numbers are no longer sufficient to breed

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10
Q

Abiotic factors affecting a community are

A

Light intensity
Temperature
Moisture levels
Soil pH and mineral content
Wind intensity and direction
Carbon dioxide levels for plants
Oxygen levels for aquatics

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11
Q

Food chains are divided into what

A

Trophic levels

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12
Q

What are the 4 trophic levels

A

Trophic level 1 - producers
Trophic level 2 - primary consumers
Trophic level 3 - secondary consumers
Trophic level 4 - tertiary consumers

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13
Q

What is biomass

A

Mass of the organic material that makes up a living or recently deceased organism

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14
Q

What is interdependence

4 examples

A

Within a community each species depends on each other for food, shelter, pollination, seed dispersal

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15
Q

What is interdepdance shown in

A

Food webs

16
Q

What are the 3 types of adaptations

A

Structural
Behavioural
Functional

17
Q

What are structural adaptations

A

Changes to an organsims body structure - eg shape/colour

18
Q

What are behavioural adaptations

A

Chnages in how an organism behaves - eg migration patterns, hibernation

19
Q

What are functional adaptations

A

Internal changes within an organisms body - eg ability to produce very small amounts of urine

20
Q

What are organisms that live in extreme environments called

Give some examples

A

Extremophiles

examples of environment-
high temperature
high pressure
high salt concentration

Biology (2 decks)

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