Echinoderms, they are among the most common invertebrate animals in the marine environment of virtually any part of the world, among them we can find species such as sea cucumber , salmon and cod fish, they have chamois cloth like outer layer, then we have the Crinoids, another example of marine species with feather, popularly they are called sea lilies and feathery stars, they have a solid calcite skeleton; they were so abundant in the paleozoic seas that their remains formed large limestone thicknesses.
Mitosis only
OPTION A
Mitosis is simply the process of cell division.
Meiosis is the
process of producing gametes (eggs and sperm), which is important for sexual reproduction.
adenine (A) pairs with uracil (U); guanine (G) pairs with cytosine (C).
<span>The art of joining parts of plants together.</span>
ATP
NADPH
O2
Are the products formed
