Cells that respond to injury by dividing to assist in connective tissue repair are

a) mast cells.
b) fibroblasts.
c) plasmocytes.
d) mesenchymal cells.
e) lymphocytes.

In what layer of the sun is energy transfers between atoms

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important

What is used to keep track of the gamates and possible offsprings combination