Ecology Flashcards

1
Q

Biotic

A

relating to or resulting from living things, especially in their ecological relations

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2
Q

Abiotic

A

physical rather than biological; not derived from living organisms

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3
Q

Population

A

understanding why certain populations are healthier than others and then using that information to find solutions to make people as healthy as possible

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4
Q

Community

A

involves local knowledge, collective action & empowerment

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5
Q

Ecosystem

A

a biological community of interacting organisms and their physical environment.

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6
Q

Biosphere

A

the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.

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7
Q

Herbivore

A

an animal that feeds on plants.

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8
Q

Carnivore

A

an animal that feeds on flesh.

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9
Q

Omnivore

A

an animal or person that eats food of both plant and animal origin.

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10
Q

Food chain

A

A food chain is a linear network of links in a food web starting from producer organisms and ending at an apex predator species, detritivores, or decomposer species

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11
Q

Food web

A

A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community.

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12
Q

Energy pyrmind

A

An ecological pyramid is a graphical representation designed to show the biomass or bioproductivity at each trophic level in a given ecosystem.

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13
Q

Carrying capacity

A

the number or quantity of people or things that can be conveyed or held by a vehicle or container.

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14
Q

Prey

A

an animal that is hunted and killed by another for food.

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15
Q

Predator

A

an animal that naturally preys on others.

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16
Q

Mutualism

A

the doctrine that mutual dependence is necessary to social well-being.

17
Q

Commensalism

A

an association between two organisms in which one benefits and the other derives neither benefit nor harm.

18
Q

Parasitism

A

the practice of living as a parasite in or on another organism.

19
Q

Producers

A

a person, company, or country that makes, grows, or supplies goods or commodities for sale.

20
Q

Decomposers

A

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

21
Q

Desert

A

an area of land that receives no more than 25 centimeters (10 inches) of precipitation a year.

22
Q

Tundra

A

a cold and treeless plain where harsh conditions make it hard for plants and animals alike to survive

23
Q

Temperate deciduous forest

A

a biome that is always changing

24
Q

Tropical rainforest

A

mainly located between the latitudes of 23.5°N (the Tropic of Cancer) and 23.5°S (the Tropic of Capricorn)

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

Savanna

A

a grassy plain in tropical and subtropical regions, with few trees.

27
Q

Temperate grassland

A

areas of open grassy plains that are sparsely populated with trees