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Vocab > Biological Diversity Unit 1 > Flashcards

Biological Diversity Unit 1 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

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17
Q

Discrete variation

A

Has an either or form such as being albino

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18
Q

Continuous variation

A

Falls within a range like height

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19
Q

Asexual reproduction

A

Only one parent

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20
Q

Binary fission

A

A parent divides itself into an identical clone

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21
Q

Budding

A

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

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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

32
Q

DNA

A

Deoxyribonucliec acid, genetic material mainly found in the nuclei of cells

33
Q

genetic code

A

Arrangement of four chemicals letter on a DNA molecule that can be arranged

34
Q

chromosomes

A

A structure in which DNA is arranged and along which genes are located

35
Q

alleles

A

A possible form of gene

36
Q

mitosis

A

A type of cell division that produces two identical daughter cells from one parent

37
Q

meiosis

A

A type of cell division that produces four sex cells from one parent

38
Q

trait

A

A characteristic of a organism

39
Q

purebred

A

Referring to a plant or animal that has ancestors with the same trait

40
Q

hybrid

A

An organism produced by crossing two purebred organism to create a trait

41
Q

Dominant trait

A

The outward from observed when 2 opposite acting alleles are inherited

42
Q

Recessive trait

A

The outward observed only when 2 same acting, non dominant alleles are inherited

43
Q

Incomplete dominance

A

A pattern of inheritance seen when two different alleles are present but neither are dominant

44
Q

Extinction

A

There is no more of a species

45
Q

Extirpation

A

A local extinction (from a specific area)

46
Q

Overspecialization

A

Very special adaptations

47
Q

Artificial selection

A

the use of living things to make agricultural, industrial, or medicinal products

48
Q

In vitro fertilization

A

Fertilization outside the body

49
Q

Genetic engineering

A

Intentional altering of the DNA

50
Q

In-situ conservation

A

The maintenance of wild organisms

51
Q

Ex-situ conservation

A

The maintenance of organism outside of their ecosystems

52
Q

Clone

A

A genetically identical version of an individual

53
Q

Artificial insemination

A

The artificial collection and injection of sperm

Vocab (2 decks)

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