Unit 4.1

Question 1

What is an ecosystem?

Answer 1

All organism in a community plus abiotic factors.

Question 2

What is GPP stand for?

Answer 2

Gross Primary Production

Question 3

What is NPT stand for?

Answer 3

Net Primary Production

Question 4

What percentage of energy is lost to cellular respiration approximently?

Answer 4

35%

Question 5

What percentage of energy is lost to waste approximently?

Answer 5

53%

Question 6

What percentage of energy is lost to growth via biosynthesis approximently?

Answer 6

12%

Question 7

Using a plant as an example what goes into the plant during photosynthesis?

Answer 7

Sunlight, CO2 and Water

Question 8

Using a plant as an example what is produced by the plant during photosynthesis?

Answer 8

Oxygen and Sugar (glucose)

Question 9

During photosythesis light energy is converted into what?

Answer 9

Chemical energy

Question 10

Using a plant as an example what goes into the plant during cellular respiration?

Answer 10

Sugar (glucose) and oxygen

Question 11

Using a plant as an example what is produced by the plant during cellular respiration?

Answer 11

CO2, water, and energy (sunlight)

Question 12

As cells undergo cellular respiration, what products are produced and how are they released from the body?

Answer 12

CO2 through the mouth or nose and heat.

Question 13

For living things, one way to measure energy is how?

Answer 13

Biomass

Question 14

What is biomass?

Answer 14

Biomass is the total quantity of organisms in a given area.

Question 15

On average what percentage of energy is passed on from one level to the next?

Answer 15

Around 10% but this can vary significantly.