DDT (Dichloro-diphenyl Trichloroethane) is a biocide. Biocides is the term that is broadly used to refer bactericides, fungicides, nematicides, insecticides, rodenticides and weedicides. A long term use of DDT can have favourable effect by resulting in complete eradication of the potential pests and invaders from an agricultural field. But the use of DDT for a long time has showed dangerous outcomes in the form of Biomagnification that resulted in tremendous decrease in bird population.
Explanation:
Biomagnification is defined as a gradual increase in concentration of a substance in successive trophic levels of a food chain.
Biomagnification of DDT interfered with the egg-shell formation and the thin shelled eggs broke at a premature stage. Thus , the bird population decreased significantly.
Answer:
Uracil
Explanation:
Uracil is a base only found in RNA which is different from DNA. Instead, DNA has guanine.
Answer:
Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not.
Answer:
b.) Frequencies of two alleles in a gene pool before and after many random matings
Explanation:
b.) Frequencies of two alleles in a gene pool before and after many random matings
