When apoptosis occurs, the following takes place except for: a) the cell rounds up, causing it to lose contact with its neighbors b) cell fragments are engulfed by neighbors and white blood cells c) enzymes that bring on apoptosis called caspases begin to develop for the first time d) the nucleus fragments e) the plasma membrane blisters

The bacteria inside a tube worm would be analogous to what organism in the ocean ecosystem near the waters surface? a. photosynthetic algae b. shrimp c. clown fish d. parasitic lamprey

Qué sucede cuando una persona tiene muy poco o demasiado costeroides?

Crinoids, also known as sea lilies, appear to be sea plants but are not plants at all. crinoids are an echinoderm species which uses anchoring structures called holdfasts to attach themselves to the sea floor. crinoids were most abundant in pennsylvania during the mississippian period, which ranged from 375 to 320 million years ago. fossils of the crinoids shows that during most of this time pennsylvania was that provided favorable conditions for crinoid growth. a) glacial terrain b) a dry and sandy plain c) mostly mountain ranges d) covered by warm, shallow seas