Chromatin is loosely found DNA, it consists of DNA wrapped numerous amounts of protein, called Histones. This wrapping is what assists in DNA to fold and become more compact.
Answer:
g/m2
Explanation:
Biomass is the constant dry mass of organisms at a particular trophic level. In a stable ecosystem, the biomass decreases at each successive trophic level of the food chain. A diagrammatic representation of biomass in each trophic level in a food chain gives a pyramid of biomass.
g/m2 is the unit used in a pyramid of biomass. Kilocalories is Unit of measure for energy pyramids. The number of organisms in each trophic level gives a similar pyramid called pyramid of numbers.
Answer:
A. A yeast cell reproduces itself.
Explanation:
Should be the right answer because cell division is necessary during reproduction. Like a sponge, it separates itself (essentially the cells) and regrows the parts needed.
Answer:
The correct answer is option C.
Explanation:
Sexual selection is a type of special natural selection. It affects the ability to get or breed with a mate and it could be by any means. It changes phenotypically in the different sexes of the same species for example peacock.
It is might be sometime harmful to the species too. Females produce eggs or a number of pregnancy and it affects the reproductive success where is in males it is determined by the mating numbers.
Thus, the correct answer is option C.
