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​

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

the answer is d.) homologous; have mammary glands