Ultrasound may be used for medical purposes to see babies in the womb or to break up kidney stones. the uses depend on the frequencies used and how they are focused. how do ultrasounds compare to sounds a human can hear? a. ultrasound sounds are actually not sounds but are forms of radiation. b. ultrasounds are very high frequency sounds humans cannot hear. c. ultrasound waves are too large to travel into the inner ear. d. ultrasound waves travel as transverse waves instead of compression waves.

B

Explanation:

It is the answer because ultrasounds have hig frequency you cannot hear which the ultrasound will help you know how the baby is breathiing and how healthy it is.

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)

the food storage products of chrysophytes are oils or the polysaccharide laminarin.   formerly classified as plants, the chrysophytes contain the photosynthetic pigments chlorophyll a and c all but the yellow-green algae also contain the carotenoid pigment fucoxanthin.