Animals who can control the direction they move in all have
a. a home in the ocean.
b. development as a deuterostome.
c. muscles.
d. radial symmetry

Does masterbation affect height growth or loss of growth hormone?

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

Suppose you are provided with an actively dividing culture of e. coli bacteria to which radioactive thymine has been added. what would happen if a cell replicates once in the presence of this radioactive base?