What factors can change the population size?​

Birth rate, death rate, and immigration of foreign species

Population growth is based on four fundamental factors: birth rate, death rate, immigration, and emigration.

growth. Some factors in a population's environment that can limit growth are predation, competition, parasitism, and disease. Other limiting factors are climate extremes and human activities.

Explanation:

CarryOnLerning

MarkAsBrainliest Please

b. heterotroph

explanation:

1. a host loses nutrients to a parasite

2. a parasite only benefits when the host is alive (cause if the host dies the parasite dies with it )

3. producers to consumers

4. the tapeworm is a parasite

5. they convert energy from the sun (photosynthesis)

6. sunflower-robin (i think im 80% sure)

7. producer

8. consumer

9. prey

10. fresh water snails ( cause the green algea is the producer and the snails are the primary consumers and the small fish consumer so is the big fish)