Answer:
However, punctuated equilibrium is any sudden, rapid change in a species and can also be the result of other causes, such as <u>huge and sudden changes in the environment that result in more rapid changes in the organisms through harsher selection.</u>
Carbon dioxide moves out of the tissues (cells) into the bloodstream to be exhaled in internal respiration.
Division of labor is essentially when tasks are divided and carried out by specific parts. This occurs in cells, where different tasks are distributed among different parts, referred to as the organelles. For example, the mitochondria in the cell produce energy to carry out cellular activities. The nucleus is involved in cellular division and other genetic functions. In such a manner, the "labor" that a cell has to perform is divided among its organelles.
Diploid cells contain 2 sets of the same DNA where as haploid contains one set.....so our normal cells in our body (somatic cells) are diploid however our sex cells(gametic cells) which are the egg of a woman and sperm from a guy are only haploid which means they have only 1 copy of DNA......this is because they fuse with one another and add their DNA together to make a diploid cell
