B; An unshelled fish is lively and elusive past the power of words to portray, and in this, undoubtedly, lies its desirability.
Answer:sponge
Explanation:
Collar cells have a sticky funnel-shaped collar and a hair-like whip that is called the flagellum. A cell called an amebocyte takes the food picked up by a collar cell to other cells within the sponge. Collar cells are also called choanocytes
Answer:
63 MYA
Explanation:
Morris Goodman was a editor-in-chief of the journal Molecular Phylogenetics and Evolution.
In his classification, every organism was traced back to its last common ancestors, and he traced that of primates last common ancestors to be dated as far back as 63 MYA.
In the case of water, hydrogen bonds form between neighboring hydrogen and oxygen atoms of adjacent water molecules. ... However, because hydrogen bonds are weaker than covalent bonds, in liquid water they form, break, and reform easily. Thus, the exact number of hydrogen bonds formed per molecule varies.