I think its a hope that helped :)
Answer:
(2) exchange food, oxygen, and waste between
mother and fetus
Explanation:
In most mammals like humans, the fetus produced as a result of the fertilization of the sperm and egg, develops in the uterus or womb of the female. However, this developing fetus cannot yet fend for what it requires for survival and is still dependent on the mother e.g nutrients, oxygen etc. How do this substances get to the fetus? Here comes the role of the PLACENTA.
Placenta is an organ in the uterus that serves as a connection between the mother and the fetus in her womb. The placenta enables the mother to pass digested nutrients to the fetus and exchange gases (oxygen and Carbondioxide) between them via the umbilical cord. The placenta also enables the mother remove waste produced by the fetus into her bloodstream.
Answer:
d
Explanation:
because when you plough your field for crops to grow rain falls for the crops to yeild well
Answer:
D
Explanation:
In multicellular organisms, the body is a system of multiple, interacting subsystems. Subsystems are groups of cells that work together to form tissues. Interactions are limited to the circulatory, excretory, digestive, respiratory, muscular, and nervous systems.
<span>The question is asking Which level of taxonomy has the fewest organisms?- therefore we have to choose the smallest group. This is the species, for example dogs are a species. then they form a genus together with Coyotes, and they they formgom with all other animals. Finally all eukaryotes are in the domain with dogs. So the smallest group is the species - only the dogs here in this example</span>
