Answer:
Animals get energy from food.
3750 of the dominant allele. 1250 of the recessive. 50% hybrid, 25% pure dominant, and another 25% recessive.
A little trick i learnt: The atomic number reflects how many electrons there are, and there must be an equal charge. therefore, there are the same amount of protons as there are electrons. so if it has 81 protons, we look for number 81 in the periodic table, Thallium
One reason is because the short days and long nights prevent the earth from warming up, another reason could be because the sun's rays in winter are more spread out thus minimizing the amount of energy