5.3 - Aquatic Ecosystems

Question 1

Primary Producers:

Answer 1

Sometimes called Autotrophs; Plant capturing energy from the sun and storing it

Question 2

Photosynthesis:

Answer 2

The process of primary producers taking sunlight to convert CO2 and waste to sugars

Question 3

Chemosynthesis:

Answer 3

Typically deep-sea primary producers like bacteria use energy stored in bonds of hydrogen sulfide to convert CO2 and water to sugars

Question 4

Consumers:

Answer 4

Organism relying on other organisms for energy and nutrients

Question 5

Cellular Respiration:

Answer 5

The process by which organisms use O2 to release chemical energy of sugars

Question 6

Primary Consumers:

Answer 6

Organisms consuming producers

Question 7

Detritivores:

Answer 7

Organisms consuming Detritus or nonliving organic matter

Question 8

What are the 2 recyclers of an ecosystem:

Answer 8

1. Detritvores
2. Decomposers

Question 9

Trophic Levels:

Answer 9

An organism’s ranking in its feeding hierarchy made of usually 3-4 levels

Question 10

Entropy:

Answer 10

A way to describe something’s loss of energy

Question 11

Trophic Level’s biomass:

Answer 11

The amount of living tissue contained

Question 12

Food Chain:

Answer 12

A linear series of feeding relationships

Question 13

Food Web:

Answer 13

A visual map of feed relationships and energy flow; better representation then food chains;

Question 14

Keystone Species:

Answer 14

A Species with high influence on a community and ecosystem