Katrina drew a diagram to compare roundworms and flatworms. Which label belongs in the area marked Y?
A.) Reproduce sexually
B.) Are usually very small
C.) Can grow to twelve meters
D.) Are always parasitic​

I think is D

Explanation:

Most flatworms are parasites that obtain their food from a host animal. A parasite

lives inside or on another living organism. Sometimes a parasite will kill its host,

but usually the host survives. Flatworms' bodies are flat and as soft as jelly. Some

common ones are planarians, flukes, and tapeworms.

D on edge

Explanation:

Are always parasitic​

what have fossils ever done for you

lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

explanation: