In sponges, internal fertilization occurs when?
a. the sperm is deposited directly into the female sponge.
b. the sperm is taken in from the surrounding water.
c. the female releases eggs into the water to be fertilized.
d. the female takes up sperm packets that were deposited by the male.

Which of the following matches the organisms described with the correct domain? a. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycanb. archaea--multicellular, eukaryotic organisms that do not have cell wallsc. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sourcesd. bacteria--unicellular, eukaryotic organisms that always lack cell walls

Describe two recent or ongoing space missions.

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment