It is a comprise the outermost layer that protect the flower while it is still a bud.

It is the copying of a DNA gene into RNA.

It is the process that convert or translates an mRNA message into Polypeptides which make up a protein.

It is a female  structure found in the innermost layer of a flower.

It is the structure of the   pistil that collects the pollen.

It is the term used to describe how a new species evolves from an older one.

It is a sudden reduction in population size due to change in the environment, such as a natural disaster.

It is the branch of biology that deals with identifying, naming, and classifying  organism.

It is a type of sexual reproduction, the sperm fertilizes the egg within the female.

GMO stands for

In mammals, bloods flow is directed into two circuits.

Fishes have a single systemic circuit for blood.

Human skeleton is exoskeleton  that consists of 206 bones in the adult.

Isolation occurs when some members of species suddenly become separated from the rest of the species. 

Immune system it recognizes foreign bodies, and responds by producing immunity cells and proteins.