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Death > Biodiversity Unit Vocab > Flashcards

Biodiversity Unit Vocab Flashcards

1
Q

Species

A

A group of living things with similar traits that can reproduce to create living and fertile offspring.

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2
Q

Population

A

A group of individuals of the same species living in an area.

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3
Q

Community

A

A group of different populations of different species living together in an area.

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4
Q

Biological Diversity

A

The variety of living organisms.

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5
Q

Behavioural Adaptation

A

Something an organism does to help it to survive.

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6
Q

Physical (Structural) Adaptation

A

Something an organism has to help it survive.

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7
Q

Broad Niche

A

Organisms with adaptations that allow them to survive in more than one environment.

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8
Q

Narrow Niche

A

Organisms that have adapted to survive in only one kind of environment. (Specialists)

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9
Q

Interdependence

A

How all species within an ecosystem depend on each other.

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10
Q

Symbiosis

A

A type of interdependence between two different species that has developed over a long period of time.

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11
Q

Commensalism

A

One organism benefits while the other is unafected.

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12
Q

Mutualism

A

Both organisms benefit from the relationship.

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13
Q

Parasitism

A

One organism benefits while the other is harmed.

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14
Q

Natural Selection

A

When only those organisms with the best traits are able to survive and reproduce.

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15
Q

Speciation

A

The creation of new species from a common ancestor over time.

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16
Q

Asexual Reproduction

A

When only one parent is needed to create offspring.

The offspring are identical to the parent. This is called clones

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17
Q

Sexual Reproduction

A

When two parents are needed to create offspring.

The offspring will have a mix of traits from both parents.

18
Q

Binary Fission

A

When a single-celled organism reproduces by dividing itself into two identical clones.

Ex: unicellular organisms like amoebas and bacteria

19
Q

Budding

A

When an organism reproduces by creating small “buds” that grow into clones of the parent.

Ex: yeast and coral

20
Q

Spores

A

Seed-like structures that produce clones of the parent organism.

Ex: mushrooms and ferns

21
Q

Vegetative Reproduction

A

When a plant makes clones of itself

Ex: runners, cuttings, tubers

22
Q

Gametes

A

Male and female half cells. Egg and sperm

23
Q

Stamen

A

Stamen (anther & filament) - the male reproductive organ that produces pollen

24
Q

Pistil

A

Pistil (style, stigma, ovary, & ovule) - the female reproductive organ that contains the egg in the ovule.

25
Q

Pollination

A

When the pollen from the stamen of one plant reaches the pistil of another plant

26
Q

Zygote

A

The fertilized egg

27
Q

Embryo

A

A zygote divided many times

28
Q

Continuous Varitaion

A

Means that there are many different forms of an inherited trait.

29
Q

Discrete Variation

A

Means that there are only a few forms of an inherited trait

30
Q

DNA

A

Your genetic code that determines all of your heritable traits.

31
Q

Chromosome

A

A long strand of DNA that has been wound up.

32
Q

Gene

A

A small section of a chromosome that determines one of your heritable traits.

33
Q

Mutation

A

Changes to your DNA

34
Q

Biotechnology

A

When humans change the DNA of an organism for our own benefit.

35
Q

Mitosis

A

When your body makes copies of its cells for growth or repair.

36
Q

Meiosis

A

When your body makes gametes for sexual reproduction.

37
Q

Natural Selection

A

The process through which populations of living organisms adapt and change

38
Q

Artificial Selection

A

When humans choose which males and females of a
species will reproduce.

39
Q

Extirpation

A

When a species no longer exists in a
certain area but still exists elsewhere in the world.

40
Q

Bioindicator Species

A

A plant or animal species that can help indicate the overall health of an ecosystem.

Death (15 decks)

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