Answer:
4) It allows the exchange of nutrients between the embryo and the mother, while at the same time filtering out harmful material.
Explanation:
The placenta is an organ present in all mammals. She is confirmed between the 6th and 8th week of pregnancy and has as main function the exchange of substances between the mother and the fetus. Among these substances are nutrients, gases and even secretions. The placenta also has the function of fighting infections and promoting immunity to the fetus, in addition, it can act as the lung, the intestine and the liver, while the fetus does not develop its organs.
Answer:
False
Explanation:
It is false because the range of designed alternatives reflect solid different approaches or priorities across objectives, presenting decision makers with real options and choices.
Decision trees are well-known representations of Boolean functions, the decision alternatives structure has a statement or a set of statements that are considered “true”. When the Boolean expression determines it as "true", the statement or set of statements of the structure is executed, if this doesn´t happen then the statements are skipped.
B is the correct answer here.
The hexose (glucose) is the end product of the light-independent reactions of photosynthesis.
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Answer:
the animals that eat fish will decrease in population
Explanation:
this is just one way. there are a lot of organisms that diet mainly contains fish and if humans start to over fish then the animals may starve and die out.
Every young corn plant will have the male straw-tassels at the top, the male part, and the silk tassels lower of the plant on the developing corn, the female part. The developing corn has ovules in its ears. The pollen from the straw-tassels will pollinate the silk tassels. The silk are the stigma and style of the female flower. When the pollen travels down the style and fertilizes the ovules, a corn(the seed) develops on the cob.
Each silk represents a corn seed. If particular silks are not pollinated, that corn will not be full of corn