DIVERSITY AND CLASSIFICATION (lesson one) Flashcards

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1
Q

what is biodiversity

A

biodiversity is a measure of variety and number of life forms on earth

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2
Q

biodiversity is bulit out of three interwind features

A
  1. ecosystems
  2. species
  3. genetic
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3
Q

What makes an ecosystem stronger than another?

A

biodiversity

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4
Q

what are species?

A

a species is a group where the members can reproduce under natural conditions and so can its offspring

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5
Q

loss of biodiversity can cause?

A
  • can threaten our foods
  • eliminate sources of natural medicine
  • have a big impact on forestry and tourism
  • impact biogeochemical cycles
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6
Q

How do species keep an ecosystem stronger?

A

Species that survive longer can continue interactions that benefit the ecosystem

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7
Q

what is a strong ecosystem?

A

one that is adaptive to natural disasters and has interconnected relationshipsthat promote the health of the ecosystem.

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8
Q

How do genetics make an ecosystem stronger?

A

Better genetics allow species to live longer and survive in harsh conditions

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9
Q

examples of biogeochemical cycles

A

water cycle and carbon cycle

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10
Q

two categories of human-meditated loss of biodiversity?

A

local and global

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11
Q

4 local changes?

A
  • Land use changes
  • Pollution
  • Resources exploitation
  • Exotic species
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12
Q

What is the systematic grouping of organisms into categories based on defined characteristics?

A

Biological classification (ie. producers, decomposers, consumers)

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13
Q

What is a Genus?

A

a taxonomical rank

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14
Q

who is carl linnaeus

A

father of taxonomy

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15
Q

what is binomial nomenclature

A

a two word short formed name, the first name is always the genus, the second name is the species name
(ex. ursus americanus = black bear and ursus maritimus = polar bear)

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