3. Lipids are organic compounds with a large proportion of carbon-hydrogen bonds and less oxygen than carbohydrates. What role do lipids play in
organisms?

Food reservoir

It gives thermal insulation.

Gives mechanical protection

Maintain cell membrane structure.

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.

atp is used for energy.