Aristotle was the first scientist who attempted to divide organisms in group, he first divided then in animals and plants.
The animals were further classified as "with blood" and "without blood", being the with blood the humans and mammals, and egg-bearing animals. The "without blood" are the invertebrates, like insects, crustacea and mollusks.
The plants, for Aristotle, were sub
Answer:
The top of a worm is the dorsum or it can be said to be the
dorsal surface.
Answer: Option D
Explanation:
The embryonic induction can be defined as the critical part in formation of the other tissues and organs because one cells affects the development of the other cells.
In vertebrates the notochord arises from the dorsal organiser, in amphibian the organizer is a region of vertebrate gastrulae which is when transplanted into the ventral region of the host embryo stimulates the formation of second embryonic axis and neural tube in embryo.
This generation of second notochord in the an example of influence of one group of cell on other.
Parents reproduce and have a baby. There's 46 chrosomes that fuse. All offspring are genetically diverse. <span />