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Science 9 > Biological Diversity - Section 1 > Flashcards

Biological Diversity - Section 1 Flashcards

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Biology 101 flashcards
1
Q

What are the key components in a taxonomy?

A 
Kingdom
Phylum
Class
Order
Family
Genus
Species
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2
Q

What is Linnaeus’ naming system?

A

Consists of two words
The first word is the genus to which the organism belongs
The second word indicates the particular species

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3
Q

What is species?

A

A group o biologically similar organisms that have the ability to reproduce with one another

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4
Q

What are some characteristics of living things?

A 
Are made up of cells
Need energy
Grow and develop
Reproduce
Have adaptations that suit them for the environment in which they live
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5
Q

What is Biological Diversity?

A

Refers to all different types of living organisms on Earth

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6
Q

What is an ecosystem?

A

A particular environment where living things interact with other living things and non-living things

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7
Q

What is a population?

A

Group of individuals of the same species living in an area

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8
Q

What is a community?

A

A group of populations of different species living in the same area

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9
Q

Where on Earth is biological diversity greatest?

A

Tropical rainforests near the equator

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10
Q

Herbivores

A

Species that eat plants

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11
Q

Carnivores

A

Species that eat herbivores

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12
Q

Omnivores

A

Eat both plants and meat

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13
Q

What are decomposers?

A

Such as fungi, and earthworms, they break down both plants and animals

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14
Q

What is symbiosis?

A

A type of interdependence or relationship between two (or more) species

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15
Q

What are the three types of symbiosis?

A

Commensalism
Mutualism
Parasitism

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16
Q

What is commensalism?

A

One organism benefits but the other does not. There is also no harm done to the second organism

17
Q

What is mutualism?

A

Both organisms benefit in this relationship

18
Q

What is parasitism?

A

One organism benefits and the other is harmed

Parasites don’t usually kill their host on purpose because the host represents their food supply

19
Q

What is a niche?

A

The role of a species in an ecosystem, including where it lives, what it eats, how it reproduces, and how it interacts with other organisms

20
Q

What is interspecies competition?

A

Happens when two or more species need the same food source. This ultimately results in a good source

It limits the size of the populations of the competing species

21
Q

How is variability in species a good thing?

A

It can help species survive environment changes

22
Q

What is natural selection?

A

A natural process that results in the survival and reproductive success of individuals or groups best adapted to their environment

Science 9 (21 decks)

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