How do we know that humans are more related to a chimpanzee than a platypus?

chimpanzees

Explanation:

for many reasons but because they have thumbs.

hope this helps

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.