All organisms must breathe. that is, they must take in one type of gas that they need for life functions, and then they must get rid of waste gases. most animals take in oxygen and expel carbon dioxide, while most plants take in carbon dioxide and expel oxygen. what part of all organisms is involved in the exchanging of gases?

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Which of the following is an example of competition that could be found in a forest? question 14 options: deer eat berries and their droppings seed new areas creating more berry bushes two fox populations utilize the same rabbit population as their main food source two hawk populations utilize the same scorpion population as their main food source lack of sunlight due to changes in the seasons restricts the growth of certain plants

What can happen to an enzyme as tempature rises