Answer:
Marsupial animals(including kangaroos) raise its offspring inside a pouch. Placental animals complete development nourished by the <em>placenta.</em>
An active transport is the process by which a substance is transported or transferred from one area to another using a chemical energy in the course.
<span>As oppose to passive transport, active transport’s key to its description uses energy to be able to transfer the said substance. This is important in a lot of aspects such as providing the needed elements or compounds in cellular activity.<span>
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Natural selection is species survival and reproduction due to differences in some traits that give them an advantage over others
I believe it’s c or d I’m not sure
<span>we say that because enzymes ensure that the reaction continues without inhibition even if conditions such as temperature and pH are changed. therefore your answer would be. B.</span>