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Science > Biological Diversity Unit 1 > Flashcards

Biological Diversity Unit 1 Flashcards

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Biology 101 flashcards
1
Q

Species

A

Living things of the same kind that are able to reproduce successfully

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2
Q

Biological diversity

A

The variety of species and their ecosystems

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3
Q

Ecosystem

A

A specific environment where living things live and reproduce

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4
Q

Population

A

The amount of a species

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5
Q

Community

A

A group of populations

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6
Q

Symbiosis

A

The relationship between 2 different species

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7
Q

Commensalism

A

One benefits the other stays the same

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8
Q

Mutualism

A

Both benefit

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9
Q

Parasitism

A

One benefits the other is harmed

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10
Q

Inter species competition

A

2 or more species using the same resource

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11
Q

Niche

A

The role of an organism

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12
Q

Resource partitioning

A

Division of a resource between 2 or more organisms

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13
Q

Variability

A

Variations within a species

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14
Q

Natural selection

A

A process in which the environment selects which individuals will survive and reproduce

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15
Q

Heritable characteristics

A

Passed down from generation to generation

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16
Q

Non heritable characteristics

A

Caused by the environment

17
Q

Discrete variation

A

Has an either or form such as being albino

18
Q

Continuous variation

A

Falls within a range like height

19
Q

Asexual reproduction

A

Only one parent

20
Q

Binary fission

A

A parent divides itself into an identical clone

21
Q

Budding

A

When the offspring grows as a bud on the parents then splits off when large enough

22
Q

Spores

A

A type of asexual reproduction in which certain organisms such as ferns, which can develop directly into an adult

23
Q

Vegetative reproduction

A

A type of asexual reproduction in plants that does involve a seed

24
Q

Sexual reproduction

A

2 parents with special sex cells

25
Q

Gametes

A

A sex cell either female or male unites with another fertilized cell

26
Q

Fertilization

A

The union of a male and female sex cell

27
Q

Zygotes

A

A fertilized egg

28
Q

Cleavage

A

The first divisions of a fertilized egg

29
Q

Embryo

A

An undeveloped organism in its beginning stages

30
Q

Cross pollination

A

The transfer of pollen to a completely different plant

31
Q

Cross fertilization

A

A gamete from a pollen grain to a gamete from an ovule to form a zygote

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