Terms E

Question 1

Ecological niche

Answer 1

Describes how an organism fits into its environment. It describes what a species is like, where it occurs, how it behaves, it’s interactions with other species and how it responds to its environment

Question 2

Ecosystem

Answer 2

All the living and non Living components of a particular area

Question 3

Electron

Answer 3

Negatively charged subatomic particle that orbits the positively charged nucleus of all atoms

Question 4

Emphysema

Answer 4

A disease in which the walls of the alveoli break down reducing the surface area fir gaseous exchange thereby causing breathlessness in the patient

Question 5

Endocytosis

Answer 5

The inward transport of large molecules through the cell surface membrane

Question 6

Enzyme

Answer 6

A protein or RNA that acts as a catalyst and do alters the speed of a biochemical reaction

Question 7

Epidemiology

Answer 7

The study of the spread of disease and the factors that affect this spread

Question 8

Eukaryotic cell

Answer 8

A cell that has a membrane-bound nucleus and CHROMOSOMES. The cell also possesses a variety of other membranous organelles such as mitochondria and endoplasmic reticulum

See also PROKARYOTIC cell

Question 9

Exocytosis

Answer 9

The outward bulk transport of materials through the cell-surface membrane