Introduction To Ecology

Question 1

What about earth maintains survivable temperatures and a life sustaining atmosphere?

Answer 1

Earths distance from the sun combined with its size

Question 2

Why is the atmosphere life-sustaining?

Answer 2

1. Protech’s life from absorbing radiation [UV]
2. Provides he sensual elements for life [78% N2, 21% O2 and 1% trace gases CO2, Ar, H2O]
3. Protects surface [lithosphere and hydrosphere] from extreme temperatures
4. Protects surface from incoming space debris

Question 3

What does the atmosphere do, and what is it mostly made up of?

Answer 3

Envelopes the earth

Made up of gases, dust, water, etc.

Question 4

What is the hydrosphere?

Answer 4

The watery portion of earth [75%]

Question 5

What is the lithosphere?

Answer 5

Solid, rocky surface

Question 6

What is the living portion of earth?

Answer 6

The biosphere

Question 7

What are: “individuals of the same species combine”?

Answer 7

Populations

Question 8

What are: “population of different species combine/interact” ?

Answer 8

Community

Question 9

What are: “communities which interact with each other [biotic factor] and their nonliving [abiotic] environment”?

Answer 9

Ecosystem

Question 10

What are: “interacting ecosystems which make up a large geographical area of similar abiotic and biotic factors throughout”?

Answer 10

Biomes

Question 11

What is: “all biomes make up the living portion of earths divided into the atmosphere, lithosphere, and hydrosphere”?

Answer 11

Biosphere

Question 12

What are: “living components of an ecosystem”?

Answer 12

Biotic factors

Question 13

What are: “non-living components of an ecosystem”?

Answer 13

Abiotic factors