The amount of sebum produced by the sebaceous glands varies based on question 15 options: a. weight, age, and gender. b. pregnancy, age, and puberty. c. weight, stress, and gender. d. menopause, age, and weight.

the correct option is pregnancy, age, and puberty.

The human skin comprises of sebaceous glands. These glands secrete oily substance called sebum. Sebum is composed of fats. Sebum traps moisture to keep the skin moist. The amount of sebum produced is depends on many factors.

When androgen level is increased, the production of sebum is also increased. During puberty changes in hormone occurs, more sebum is produced. During pregnancy level of androgen is also high, more sebum is produced. Sebum production also varies with age.

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)