A single-celled organism is represented in the diagram below. An activity is indicated by
the arrow
Wastes
If this activity requires the use of energy, which substance would be the source of this
energy?
DNA
a hormone
an antibody
АТР

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.

c

explanation:

the denominator has a very specific role.

hope it mark me as brainlieast.