Ecology Flashcards

1
Q

carying capacity

A

When graph levels out

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2
Q

Keystone species

A

Organism that Helps hold system together

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3
Q

Invasive species

A

Animals or plants that don’t belong in their new environment

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4
Q

Primary concession

A

New rock is colonized for the first time, no soil is available

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5
Q

Secondary concession

A

An area previously inhabited is disturbed, soil remains

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6
Q

Example of secondary succession

A

Fire, flood, deforestation, tornado, hurricane, harvesting

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7
Q

Examples of primary concession

A

Volcano, lava flow, erosion, glacier retreating

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8
Q

Gradual changes in an ecosystem after a disturbance, goes from a low # of small species to a high number of diverse species, end point is healthy climax community

A

Both primary and secondary concession

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9
Q

Density dependent factor

A

Any force that affects the size of a population of living things in response to the density of the population

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10
Q

density independent

A

Size is not important

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11
Q

Example of density dependent

A

Contagious disease, lack of food, competition for territory

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12
Q

Example of density independent

A

Freezing weather, volcanic eruption, flood

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12
Q

Mutualism

A

Association between organisms of two different species in which each benifets

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13
Q

Commensalism

A

A relationship between individuals or two species in which one species obtains food or other benifets from the other without harming or benifit the latter

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14
Q

Example of commensalism

A

Fish by shark

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15
Q

Example of mutualism

A

Bees and flowers,

16
Q

Parasitism

A

Close relationship betweeen species, where one organism the parasite benifets off the cost of the other

17
Q

Producer

A

First fucking one,

18
Q

Omnivore

A

Eats plants and animals

18
Q

Herbivore

A

Mostly feed on plants

19
Q

A single clownfish

A

Individual

20
Q

Includes all lions grass sun clouds

21
Q

All mammals amphibians insects birds microorganisms im pomd

22
Q

Spiders mosquitos rabbits

23
Bats of same species in a cave
Population
24
Planet
Biosphere
25
Genetic diversity
How many different genes and traits are in a population
26
Problems of genetic diversity
Change occurs, they’re ducked
27
Advantage of high genetic diversity
Some organisms will survive
28
Why do we see logistical growth and not exponential growth
Limiting factors in environment