Answer;
a segment of chromosomal DNA
Explanation;
A gene is a hereditary unit consisting of a sequence of DNA that occupies a specific location on a chromosome and determines a particular characteristic in an organism. Genes undergo mutation when their DNA sequence changes.
It is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called proteins. However, many genes do not code for proteins.
Alleles are forms of the same gene with small differences in their sequence of DNA bases. These small differences contribute to each person’s unique physical features.
The correct answer is the homeostasis.
A plant may close and open its stomata to prevent excess water loss and maintain homeostasis.
Homeostasis is termed as the tendency of organisms to maintain and automatic regulation of their internal environment to be in a stable condition.
We say that the plant is in stable condition when the fluid balance and body temperature are being kept in to a pre-set limits which include calcium ions, potassium, sodium and PH of extracellular fluid.
The natural resistance which changes the optimal condition brings about homeostasis.
Answer:
D
Explanation:
Fire is man made because for there to be fire you have to strike a match or use other man made sources
Answer:
I think it would be like how the earth formed and other planets except way smaller but I'm not sure
A. Soil is composed of 4 components
