Which organisms utilize a one-way air flow through their lungs to maximize air flow efficiency and oxygen consumption?
a. mammals
b. birds
c. amphibians
d. fish

fabric is silk wool ext. paper isnt

explanation:

u cant make fabric out of paper cause paper comes from wood while fabric comes from animals

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.