Answer:
Oxygen is moved around the body of an echinoderm in its C. water vascular system.
Clonal selection identifies a __ lymphocyte that needs to be cloned for production of a specific antibody.
is B.
Answer:
You should visit Kentucky.
Explanation:
Limestone is a sedimentary rock formed from the calcareous remains of dead creatures. Limestone is mostly made of shells and other remains of organisms that have collected over time. These are good conditions for fossilization. Granite, however, is an igneous rock formed from solidification of magma in the Earth's crust. High temperatures and extreme conditions make fossilization unlikely.