Robert hook is the one recognized vital role of the in internal environment and observers
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.
Answer: True
Explosions due to electricity occurs due the passage of electrical current into air, this results in the transfer of energy from electricity to air. Electrical energy being a stimuli activates the molecules of air which leads to explosion. An explosion is a rapid event which involves release of energy in the form of gases and also destruction of surrounding entities. For explosion suitable fuel and combustion gases are required. Methane and natural gases acts as fuels whereas oxygen which facilitates combustion of these fuels.
The correct answer is: C) shortening of microtubules
Chromosome movement is possible thanks to changes in microtubule length. Several types of microtubules are involved. First, during the anaphase kinetochore microtubules shorten and consequently the chromosomes move toward the spindle poles. Then the astral microtubules that are anchored to the cell membrane pull the poles further apart. At the end of anaphase, the interpolar microtubules slide past each other and that additionaly separate the chromosomes.
The correct answer is: B) coal.
Coal is a sedimentary rock black or brown color composed of carbon with variable amounts of other elements such as hydrogen, sulfur, oxygen, and nitrogen. The formation of coal goes through two steps: decay of dead plant matter into peat and conversion of peat into coal under the influence of heat and pressure of deep burial.