Bio Flashcards

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1
Q

Biological Diversity

A

number and variety of organisms

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2
Q

Diversity Index

A

measures biological diversity and health of an ecosystem - # of species
/number of organisms in an area

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3
Q

Scientific name for plant

A

flora

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4
Q

Scientific name for animal

A

fauna

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5
Q

species

A

Similar in appearance, however there is always variation within a species.
Can breed together, and offspring are fertile

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6
Q

Speciation

A

the evolution of different species from a single ancestor

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7
Q

Variation

A

differences in characteristics of organisms caused by genetic and environmental factors

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8
Q

Adaptation types

A

Structural adaptations, behavioural adaptations

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9
Q

an inherited characteristic behavior that helps an organism survive in its environment

A

behavioural adaptations

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10
Q

an inherited physical characteristic that helps an organism survive in its environment

A

Structural adaptation

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11
Q

broad niche characteristics

A

Unstable conditions
Large area
Generalists
Low diversity
High populations

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12
Q

narrow niche characteristics

A

Stable conditions
Small area
Specialists
High diversity
Small populations

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13
Q

Zygospores

A

Similar to spores but usually contain genetic materials from two different sources

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14
Q

spores

A

A single-celled reproductive structure from which an individual offspring develops; plants, algae, fungi, and some protozoa produce spores

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15
Q

The study of genes or heritable trait

A

genetics

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16
Q

Mutagens

A

an agent that causes mutations in the DNA (e.g. X rays, chemicals)