Julia- Eco Quiz #2 Flashcards

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1
Q

What is a limiting factor?

A

A limiting factor is a resource or other factors that can lower the population growth rate

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2
Q

How do limiting factors affect birth rates and death rates?

A

Limiting factors can decrease birth rates and increase death rates.

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3
Q

What is Emigration?

A

Emigration is oraganisms leaving a population?

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4
Q

What are some examples of BIOTIC factors that can limit population growth?

A
  • Predation - Competion - Paristies/Disease - Humans
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5
Q

What are some examples of ABIOTIC factors that can limit population growth?

A
  • Water - Salt - Sunlight - Temperature - nutrients in soil - oxygen
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6
Q

What are some examples of density-dependent factors?

A
  • Compition - Diease - Parisites - Predation - avability of food
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7
Q

What are the examples of density-independent factors?

A
  • Fire - Salinity - Natural disasters - weather
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8
Q

What is a carrying capacity?

A

A carrying capacity is the maxium number of oraganisms the rescources of an ecosystem can suport.

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9
Q

What are the characteristics of a Tundra?

A
  • Lack of tress - Permafrost - Characterized by small shrubs, mosses, and lichens preasent - Cold and dry
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10
Q

What are the characteristics of a Desert?

A
  • Little rainfall - Hot, aried climate - covers nearly 20% of the earth’s surface
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11
Q

What are the characteristics of a Chaparral forest?

A
  • shrubby, coastal biome - hot summers but cool rainy winters - plauged by wildfires - oyotes, mountian lions, snakess and rabbits are preasent through out.
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12
Q

What are the characteristics of a Rainforest?

A
  • The greatest amount of rainfall
  • Covers 6% of Earth But home to 50% of the world’s species
  • Important products such as fruit, medicine, lumber, and teas Come from this biome
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13
Q

What are some characteristics of a Boreal (Taiga/Coniferous forest)?

A
  • Cold harsh climate with a short growing season
  • dominated by evergreen trees that have needles
  • Biodiversity is low because of harsh conditions
  • Prone to wildfires
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14
Q

What are some characteristics of Grasslands?

A
  • Deep-rooted grasses and trees
  • Hot weather year round but can have torrential downpours to replenish the region
  • few plants and animals
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15
Q

What are some characteristics of an Arctic Biome?

A
  • Freezing climate during the year
  • very little soil for growth
  • World’s windiest place
  • surrounded by oceans
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16
Q

What are some characteristics of a Temperate Deciduous Forest?

A
  • Large hardwood trees present
  • Most lose their leaves every fall
  • Generally has four seasons
  • 2-6 Feet of precipitation each year
17
Q
A