4.1 Species, Communities and Ecosystems

Question 1

What is the difference between population and community

Answer 1

Population is a group of the same species living in the same area, community is a group of populations living and interacting in the same area.

Question 2

What are autotrophs?

Answer 2

Autotrophs convert carbon dioxide into organic compounds (producers)

Question 3

What are heterotrophs?

Answer 3

Heterotrophs obtain their organic molecules from other organisms (consumers)

Question 4

What are mixotrophs?

Answer 4

Mixotrophs use a combination of different modes of nutrition.

Question 5

What are detritovores?

Answer 5

Detritovores are heterotrops that only consume dead organic matter inside the body

Question 6

What are Saporotrophs?

Answer 6

Saporotrophs are heterotrophs that secrete enzymes and consume non-living organic matter outside of the body

Question 7

Which group of organisms in the carbon cycle converts carbon into a form that is available to primary consumers?

Answer 7

Producers

Question 8

What are mesocosms?

Answer 8

Biological systems that contain the abiotic and biotic features of an ecosystem but are restricted in size and/or under controlled conditions.