When the gene is considered pleiotropic, this means that a single gene controls or influences multiple and possibly unrelated phenotypic traits. Phenotypic traits are characteristics of an organism that is can be easily observed. Such as size, color, shape and behavior.
A substance that enters into a Chemical reaction is called an reactant.
They are called the left and right Ventricles
Here is your answer......
Explanation:
Monotremes are mammals that lay eggs. Monotremes are warm blooded with a fast metabolism. They have hairy bodies to keep warm.
Marsupials are mammals that give birth to live young. These mammals have a pouch where their young grow and develop. Marsupials are hairy, warm blooded, and produce milk. One of the biggest differences between marsupials and placental mammals is that marsupials give birth quite early and rely less on the nourishment of the placenta. Some examples of marsupials are kangaroo and opossums.
Placental mammals are mammals that give birth to fully developed live young. They differ from marsupials in that the baby spend more time being nourished in-utero by the placenta. These mammals are hairy and warm blooded as well. Some examples are mice, rats, and bats
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