3. according to the first principle of thermodynamics, energy is never created nor destroyed.
a. what type of energy is coming into the food web?
b. what type of energy is being lost during the organisms life?
c. what type of energy is being transferred during predation?
4. if a human wanted to have the most efficient absorption of energy, what trophic level would they want to eat from?

Question

Accepted Answer

### 3a
# Brief Explanations:
In a food web, the initial energy input comes from the sun as solar (light) energy, which producers (like plants) capture via photosynthesis.
# Answer:
Solar (light) energy

### 3b
# Brief Explanations:
During an organism’s life, energy is lost as heat energy (due to cellular respiration, metabolic processes) to the environment.
# Answer:
Heat energy

### 3c
# Brief Explanations:
During predation, the energy transferred is chemical energy, stored in the organic matter (food) of the prey, which the predator consumes.
# Answer:
Chemical energy

### 4
# Brief Explanations:
Energy transfer between trophic levels is inefficient (≈10% transfer). To maximize energy absorption, humans should eat from the lowest trophic level (producers, like plants) as they have the most available energy (least energy loss before).
# Answer:
The lowest trophic level (e.g., producers, first trophic level)

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QUESTION IMAGE

Question

Explanation:

3a

Answer:

3b