There are many types of animals that make up the phylum mollusca. their body is designed to move in many different ways.

which does not describe a way a mollusk might move?

a - taking water in and pushing it out of the siphon

b - pulling with their arms through the water

c - filling their shell with air to float away

d - pulling with claws through the water

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical? a. some people consider embryos to possess rights equal to those of fully developed human beings. b. extracting stem cells from embryos is a very energy-intensive process, which consumes resources that could be used elsewhere. c. embryos are difficult to obtain, so the monetary cost of using them for research outweighs their benefit. d. the process of extracting stem cells from embryos generates biohazardous waste that cannot be safely disposed of.