ecology Flashcards

1
Q

biotic

A

describes living factors int the environment

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2
Q

abiotic

A

describes the nonliving part of the environment including water rocks light and tempeature

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3
Q

population

A

group of organisms of the same species that live in a specific geographical area

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4
Q

community

A

all the populations of species that live on the same habitat and interact with eachother

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5
Q

ecosystem

A

community of organisms and their abiotic environment

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6
Q

biosphere

A

the part of earth where life exists

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7
Q

herbivore

A

organism that eats only plants

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8
Q

carnivore

A

organism that eats animals

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9
Q

omnivore

A

organism that eats both plants and animals

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10
Q

food chain

A

pathway of energy transfer through various stages as a result of the feeding patterns of a series of organism

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11
Q

food web

A

diagram that shows the feeding relationships between organism in an ecosytems

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12
Q

energy pyramid

A

triangular diagram that shows an ecosystem loss of energy which results as energy passes through the ecosystems a food chain

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13
Q

carrying capacity

A

largest population that an environment can support an any given time

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14
Q

prey

A

organism that is killed and eaten by another organism

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15
Q

predator

A

organism that eats all or parts of another organism

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16
Q

mutilsm

A

relationship between two species in which both species benefit

17
Q

commensalim

A

relationship between two organism in which one benefits and the other is unaffcted

18
Q

parasitism

A

relationship between two species in which one species the parasite benefits form the other species the host which is harmed

19
Q

26 svanna

A

grassland that often has scattered trees and that is found in tropical and subtropical areas where seasonal rains fires and drought happen

20
Q

21 dessert

A

region that has little or no plant life long periods without any rain and extreme temperatures usually found in hot climates.

21
Q

22 tundra

A

treeless plain found in the arctic in the antarctic or on the tops of mountains that is characterized by very low winter temperatures and short cool summers

22
Q

temperate grassland

A

areas with low annual precipitation, fluctuating seasonal temperatures, and few trees.

23
Q

temperate deciduous forest

A

a variety of temperate forest ‘dominated’ by trees that lose their leaves each year

24
Q

tropical rain forest

A

forests near the equator that receive over 100 inches of rain a year and maintain high average temperatures

25
Q

Coniferous forest

A

vegetation composed primarily of cone-bearing needle-leaved or scale-leaved evergreen trees, found in areas that have long winters and moderate to high annual precipitation

26
Q

Decomposers

A

an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.

27
Q

producers

A

They make their own food, which creates energy for them to grow, reproduce and survive.