Final Review Flashcards

Pt. 1

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1
Q

characteristics of life

A
  1. order
  2. energy conversion
  3. interaction w/ environment
  4. regulation
  5. composed of cells
  6. reproduction
  7. growth and development
  8. evolutionary adaptations
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2
Q

negative feedback

A

the excess product stops production

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3
Q

positive feedback

A

excess product starts production

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4
Q

natural selection requirements

A
  1. variation exists
  2. heritability
  3. some offspring will not survive
  4. favorable trait-holders survive and reproduce
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5
Q

types of selection

A
  1. disruptive (both extremes)
  2. stabilizing (intermediate phenotypes)
  3. directional (one extreme)
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6
Q

mechanisms of microevolution

A
  1. artificial selection
  2. gene flow (genes across pop.s)
  3. genetic drift (change in allele freq.)
  4. sexual selection
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7
Q

types of evolution

A
  1. convergent: similar places, similar traits
  2. divergent: two different places, same traits
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8
Q

types of structures

A
  1. analogous: similar function no structure
  2. homologous: similar features, diff function
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9
Q

taxonomical order

A

domain, kingdom, phylum, class, order, family, genus, and species

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10
Q

synapomorphs

A

shared derived characterisitics

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11
Q

species concepts

A
  1. morphological - look same, are same
  2. biological - reproduce together, same
  3. phylogenetic - share evol. history, are same
  4. ecological - same niche, are same
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12
Q

pre-zygotic

A
  1. habitat isolation
  2. behavioral isolation
  3. temporal isolation
  4. mechanical isolation
  5. gametic isolation
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13
Q

post-zygotic barriers

A
  1. hybrid inviability
  2. hybrid sterility
  3. hybrid breakdown
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14
Q

types of speciation

A

allopatric: geographic separation halts gene flow (small and isolated)

sympatric: new species in parent populations

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15
Q
A
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