Biology

Plasma is typically called the “fourth state of matter”, the other three being solid, liquid and gas. Plasma was identified by the English researcher William Crookes in 1879.

Genetic variation is necessary to the processes of natural selection and biological evolution. The genetic variations that occur in a population occur by chance, however, the process of natural selection does not.

Plant tissue is a collection of similar cells carrying out an organized function for the plant. Each plant tissue is specialized for a distinct purpose and can be combined with other tissues to develop organs such as leaves, flowers, stems, and roots.

The Bottleneck Effect is an utmost example of genetic drift that occurs when the size of a population is severely decreased. Events like natural catastrophes (earthquakes, floods, fires) can annihilate a population

The Fabaceae, also called Leguminosae or bean and pea family, is the 3rd largest family of angiosperms after Orchidaceae (orchids) and Asteraceae (daisies, sunflowers), and second only to Poaceae (grass) in regards to agricultural and economical importance.

Early vascular land plants did not have true leaves or roots. They were small in size, with dichotomously branched erect smooth aerial parts and equally strong below ground anchoring and absorptive rhizome.

A trophic level is a group of organisms within an ecosystem that occupy the same level in a food chain. There are 5 main trophic levels within a food chain, each of which varies in its dietary relationship

Unlike aquatic plants, terrestrial plants need to absorb water from the soil all the time to maintain turgidity, metabolic activities, and the development and growth of the plant.

The Founder Effect the decrease in genetic variation that results when a little subset of a large population is utilized to develop a new colony. The new population may be very different from the original population,

The muscles that are connected to the skeleton and are related to the movement of bones are called skeletal muscles. The skeletal muscles are consciously managed and for that reason, are called voluntary muscles.