Anne is observing an animal specimen. it has body parts that seem to extend from a central point, just like spokes in a bicycle wheel. which animal is it most likely to be? a) sponge b) flatworm c) crayfish

Which of the following correctly list the first appearance of organism in the fossil record from earliest to most recent

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.