KARYOKINESIS   :   

The process of change that undetakes during cell nucleus division at mitosis is known as karyokinesis.

KERATINS   :   

The fibrous stuctural proteins that are tough and insoluble found in reptiles, birds, amphibians and mammals is known as keratin.

KEYSTONE SPECIES   :   

A single kind of organism or a small collection of different kinds of organisms that occupy a vital ecological niche in a given location.

KIDNEY   :   

Kidneys are fist-sized bean-shaped paired organ located near the middle of the back of our body, just below the rib one on each side of the spine. Each of the kidney is about the size of an adult fist and weigh around 150 grams each. The left kidney lies a little higher than the right kidney. They are about 10 cm long and about 6.5 cm wide. They are protected from injury by a large padding of fat, your lower ribs and several muscles It plays a very important role in the excretory system of your body. The kidneys perform many functions to keep the blood clean and chemically balanced.

KILOGRAM   :   

It is SI units of mass. The kilogram is defined as the mass of the international prototype kilogram (a platinum-iridium cylinder) kept at the Bureau International des Poids et Mesures at Sèvres in France.

K-SELECTED   :   

Those species that invest more heavily in fewer offspring, each of which has a better chance of surviving to adulthood.

KUIPER BELT   :   

The spherical region of the outer solar system that has a population of 'ice dwarfs' is known as the Kuiper Belt.

KYOTO PROTOCOL   :   

An amendment to the international treaty on climate change, assigning mandatory targets for the reduction of greenhouse gas emissions to signatory nations.