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bio grade 9 > intro to ecology notes > Flashcards

intro to ecology notes Flashcards

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Biology 101 flashcards
1
Q

what is ecology

A

the study of relationships between 2 organisms or between an organism and its environment

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2
Q

unicellular

A

one cell

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3
Q

multicellular

A

more than 1 cell

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4
Q

example of a unicellular

A

bacteria

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5
Q

example of multicellular

A

yourself

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6
Q

growth

A

becoming larger

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7
Q

reproduction

A

producing offspring

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8
Q

what are the two types of reproduction

A

sexual and asexual

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9
Q

sexual reproduction

A

mating between two organisms of the same species

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10
Q

asexual reproduction

A

offspring arise from a single parent

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11
Q

stimulus

A

a change in an organism’s environment “cause”

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12
Q

response

A

how an organism reacts to change in their environment “effect”

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13
Q

what is an organism

A

individual member of a species or population.

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14
Q

what is population

A

multiple individuals of the same species living together.

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15
Q

what is community

A

multiple populations of different species living together.

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16
Q

what is ecosystem

A

the same size as the community level, but takes into account the abiotic factors surrounding the community.

17
Q

what is a biome

A

multiple ecosystems that share similar characteristics

18
Q

what are some examples of biomes

A

grassland, tundra, rainforest, desert

19
Q

what is an example of an organism

A

a deer

20
Q

what is an example of population

A

deer in a field

21
Q

example of community

A

birds, deer, plants, insects, squirrels

22
Q

example of ecosystem

A

birds, plants, temperature, precipitation

23
Q

what is the biosphere

A

a planet

24
Q

biodiversity

A

the variety of organisms considered at all levels, from populations to ecosystem

25
Q

true or false: Biodiversity has decreased over time

A

false

26
Q

taxonomy

A

the study of describing, naming, and classifying organisms

27
Q

what is binomial nomenclature

A

2-name naming system by Carolus Linnaeus that names organisms after their two most specific classification levels: Genus species

28
Q

what are the two most specific classification levels

A

genus and specie

29
Q

all life is organized into:

hint: there are 8

A

domain kingdom phylum class order family genus species

30
Q

Cladograms and Dichotomous Keys

A

tools used to display relationships and classify organisms using their characteristics

bio grade 9 (18 decks)

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