Vehicle exhaust fumes are also a threat to our air supply of clean air. It is means of transportation for a majority of the population whether it is a personal car or a ride on public transportation. It produces carbon dioxide and other greenhouse gases that keep heat trapped in the earth’s atmosphere.
Answer:
A cell is the structural and functional unit of life which shows characteristic features like reproduction and cell division. The cell multiplication and reproduction serves many purposes to the organism and is mutually inclusive in prokaryotes.
The reproduction and cell multiplication serve many purposes to cell-like:
1. Maintain continuity of species: Reproduction ensures the continuity of the species on earth and should not become extinct.
2. Helps in the survival of organism: reproduction helps in the survival of the organism by transferring its heredity material to the offsprings.
3. Cell growth: the cell division helps in the growth of the organism.
Answer:
Fertilised ovum from sheep + cell in sheep's mammary gland isolation
Diploid one cell isolated + nucleus from ovum
Nucleus inserted into empty ovum
Ovum implanted in uterus of unrelated sheep
Ovum develops into foetus
Explanation:
In this process a nucleus from a fertilised ovum was removed and replaced with a diploid nucleus of a cell from the mammary glands of another sheep. The ovum was implanted into the sheep's uterus. The resulting foetus "Dolly" born similar to donor sheep.
Answer:
white fur is dominant and the mother is WW
Explanation:
W=white fur
w=Black fur
The answer is B. deflation