To produce an electric current, three things are needed: a supply of electric charges (electrons) which are free to flow, some form of push to move the charges through the circuit and a pathway to carry the charges. The pathway to carry the charges is usually a copper wire.
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Multicellular organisms are able to achieve homeostasis because they cells are specialized in function and work cooperatively with one another.
Letter d)
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Answer:
The correct option is A. they evolved from land mammals.
Explanation:
Evolution can be described as a process through which organisms in a species change over a period of time due to the natural selection of the environment. Those organisms that have many similarities in their functions or structures are considered closer to one another and have the same common ancestors.
The properties mentioned in the question about cetaceans resembles the properties of land mammals. For example, cetaceans lack gills and breathe air. Land mammals also do not have gills and need to respire for living. The cetaceans have fin bones which are similar to the limb bones in the land mammals. Hence, these observations show that cetaceas have evolved from land mammals.
Answer:
<h2>YOUR ANSWER IS
<u>ORGANELLES</u><u> </u><u>.</u></h2>
<u>THEY </u><u>CARRY </u><u>DIFFERENT</u><u> </u><u>FUNCTION</u><u> </u><u>INSIDE </u><u>A </u><u>CELL</u><u>. </u>
<h2>
<u>HOPE </u><u>IT </u><u>HELPS</u><u> </u><u /></h2>
Answer:
Answer is 2
Explanation:
Type 1 diabetics should monitor their blood sugar at least three times a day, correctly describes blood sugar monitoring in diabetics.
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