Choose true or false for all questions: 1. blood borne pathogens are disease causing organisms carried in human blood. a. true b. false 2. a person could have hiv and not have any symptoms for several years. a. true b. false 3. change in smell/taste and generalized itching are some of the symptoms of hepatitis.

All the three statements are true.

Explanation:

a. Blood borne pathogens are carried through the blood medium. These pathogens can spread through infected blood of one person to another person. Examples: HIV and hepatitis virus (HBV, HCV and HDV are spread by blood and sexual contact).

b. AIDS is a deficiency of immune system, acquired during the life time of an individual. HIV is a retrovirus, it produces DNA from its RNA which then gets integrated into host cell DNA. There it can remain dormant , giving no sign of its presence.

c. Viral hepatitis includes such symptoms of change in smell, taste and itching.

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)