Biology Finals!!! Flashcards

1
Q

Immigration

A
  • movement of individuals into an area

- causes population growth

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2
Q

Emigration

A
  • movement of individuals out of an area

- causes population decline

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3
Q

Reactants and products for cellular respiration?

A

Reactants: glucose and oxygen
Products: Carbon dioxide and water

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4
Q

Reactants and products for photosynthesis?

A

Reactants: carbon dioxide and water
Products: glucose and oxygen

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5
Q

Photosynthesis

  1. Organelle
  2. Reactants
  3. Electron Transport Chain
  4. Cycle of chemical reactions
  5. Products
A
  1. Chloroplast
  2. CO2 and H2O
  3. Makes ATP and NADPH to make sugar
  4. Calvin cycle builds sugar
  5. C6H12O6 and O2
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6
Q

Cellular Respiration

  1. Organelle
  2. Reactants
  3. Electron Transport Chain
  4. Cycle of chemical reactions
  5. Products
A
  1. Mitochondria
  2. C6H12O6 and O2
  3. Makes ATP to be used in cells
  4. Glycolysis breaks down sugar
  5. CO2 and H2O
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7
Q

Human activities affect population of other species?

A
  • Loss of habitat
  • habitat fragmentation
  • Global Warming
  • clear cutting
  • deforestation
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8
Q

Mutualism

A

Both species benefit

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9
Q

Commensalism

A

ONE species benefits and one isn’t harmed

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10
Q

Parasitism

A

ONE species benefits and one is harmed

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11
Q

Abiotic examples

A

Water, temperature, wind, sunlight, moisture, soil

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12
Q

Biotic examples

A

Plants, animals, fungi, bacteria

Depends on abiotic factors

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13
Q

How is carbon removed and put back into the atmosphere?

A

Removed: photosynthesis, dissolves in ocean, acid rain

Put back: burning of fossil fuels (combustion), cellular respiration, forest fires, volcanic eruptions, décomposition of living things

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14
Q

Natural selection

A
Certain physical traits are more fit 
Components:
Variation
Overproduction
Adaptation 
Descent w modification
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15
Q

Fitness

A

Ability to survive in an environment

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16
Q

How does a genotype affect its fitness

A

Genes affect a physical trait

17
Q

Homologous structures

A

Similar structures

Different functions

18
Q

Analogous

A

Different structures

Same function

19
Q

Vestigial structures

A

Once had a function

20
Q

Species

A

A group of organisms that interbreed and produce fertile/viable offspring

21
Q

Speciation

A

New species (divergence); when a population is separated and evolves separately

22
Q

Decrease in CO2

A

Land plants and trees

Using renewable resources

23
Q

Greenhouse effect

A

Slows the release of energy from earths atmosphere

Traps in heat, causing temperatures to rise

DOES NOT BRING MORE HEAT IN

24
Q

Effects of deforestation

A

Increase in CO2
Habitat loss
Loss of biodiversity

25
How do humans affect the environment
Pressure on resources Air pollution (fossil fuels) Water pollution (fertilizers, oil spills) Habitat loss (urban sprawl, deforestation) Invasive species
26
Pure science
Answer questions
27
Applied science
Scientific knowledge to develop technology or inventions
28
Relationship between energy and biomass
Biomass and energy decrease If biomass is consumed energy is lost as heat and waste
29
Trophies levels
Producers PC SC TERTIARY
30
WHAT GROUP has the largest biomass
Producers