Ecology Flashcards

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1
Q

Define biosphere

A

The part of the earth where life occurs

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2
Q

Define atmosphere

A

The layers of gas covering the earth

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3
Q

Define lithosphere

A

All the minirals and rocks found within the crust and upper mantle

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4
Q

Define hydrosphere

A

all the water on the surface of earth

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5
Q

Define biome

A

An area with a spesific climate including all the animals that live within it

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6
Q

Define terrestrial

A

A type of biome found on land

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7
Q

Define aquatic

A

A type of biome found under water

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8
Q

Define ecology

A

The study of ecosystems

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9
Q

Define ecologists

A

A person who study ecology

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10
Q

Define biotic factors

A

All living organisms in an ecosystem

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11
Q

Define abiotic factors

A

All non living components of an ecosystem

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12
Q

Define habitat

A

The area an organism usually lives in

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13
Q

Define niche

A

The role filled by an organism

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14
Q

Community

A

A group of populations interacting

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15
Q

Define population

A

A group of organisms of the same species living in the same area at the same time

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16
Q

Define species

A

Organisms of the same type that are able to interbread freely and produce fertile offspring

17
Q

Describe a protea

A

Evergreen, large nectar rich cone-like head

18
Q

Describe a restio

A

Wiry, reedlike

19
Q

Describe a erica

A

Small, Evergreen, small needle like leaves, small brightly-colored flower

20
Q

Name a promenant feature of geophytes

A

Underground storage organs

21
Q

Define ecosystem

A

Biotic and abiotic factors interacting

22
Q

Describe the climate of a fynbos biome

A

Windy, hot dry summers. Stormy cold wet winters

23
Q

Name some characteristics of a fynbos biome

A

Nutrient poor soil, has protea Erica restio and geophytes

24
Q

Describe how fires relate to the fynbos

A

They occur every 10 to 20 years. Plants are able to survive fires and use them to reproduce

25
Q

Name some characteristics of forests

A

Year round rain, consists of understory, shrubs, vines, and canopy

26
Q

Name the characteristics of a dessert

A

On border of sa and namibia. Very sandy, no rain, water comes from sea mist and dew

27
Q

What is bioacumulation

A

When toxins in the environment remain in the tissues of animals.