They lack respiratory organs and acts as facultative anaerobes.

Its primary function is to induce the expression milk (lactation).

Vitamin K is a group of structurally similar, fat soluble vitamins that the human body needs for post translational modification of certain proteins required for blood coagulation, and in metabolic pathways in bone and other tissue.

The branch of ecology that deals with the biological relationship between an individual organism or an individual species and its environment.

Very little atmosphere, no organic material or organic supporting chemical (ie water), no life could occur.

Adaptations are special features that allow a plant or animal to live in a particular place or habitat.

It is the other name for vitamin C.

It is the process of protecting an endangered species of plant or animal outside its natural habitat.

Mycelium (plural mycelia) is the vegetative part of a fungus consisting of a mass of branching, thread-like hyphae.

It occurs in smooth endoplasmic reticulum.

The cornea is the transparent front part of the eye that covers the iris, pupil, and anterior chamber. The cornea with the anterior chamber and lens refracts light with the cornea accounting for approximately two-thirds of the eye's total optical power.

It contains cup shaped chloroplast.

The substances that form at the end of the reaction are called end products. They cause feedback inhibition.

The capsomere is a basic subunit of the capsid, an outer covering of protein that protects the genetic material of a virus.

It is known as chiropteriphily.