Julia- Eco Quiz #2

Question 1

What is a limiting factor?

Answer 1

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

Question 2

How do limiting factors affect birth rates and death rates?

Answer 2

Limiting factors can decrease birth rates and increase death rates.

Question 3

What is Emigration?

Answer 3

Emigration is oraganisms leaving a population?

Question 4

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

Answer 4

• Predation - Competion - Paristies/Disease - Humans

Question 5

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

Answer 5

• Water - Salt - Sunlight - Temperature - nutrients in soil - oxygen

Question 6

What are some examples of density-dependent factors?

Answer 6

• Compition - Diease - Parisites - Predation - avability of food

Question 7

What are the examples of density-independent factors?

Answer 7

• Fire - Salinity - Natural disasters - weather

Question 8

What is a carrying capacity?

Answer 8

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

Question 9

What are the characteristics of a Tundra?

Answer 9

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

Question 10

What are the characteristics of a Desert?

Answer 10

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

Question 11

What are the characteristics of a Chaparral forest?

Answer 11

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

Question 12

What are the characteristics of a Rainforest?

Answer 12

• 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

Question 13

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

Answer 13

• 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

Question 14

What are some characteristics of Grasslands?

Answer 14

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

Question 15

What are some characteristics of an Arctic Biome?

Answer 15

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

Question 16

What are some characteristics of a Temperate Deciduous Forest?

Answer 16

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