Ecologists use food web diagrams, like the one shown, as tools in their studies of different populations of organisms within an ecosystem. Which of the following is a correct use for a food web diagram?

It is a way to show the living and nonliving components of a complete ecosystem in a form that is easy to understand.
It can change one population's role in the ecosystem and thereby change that population's relationship to the others.
It is a way to summarize and communicate the feeding relationships between populations.
It provides a basis for making predictions about how changes in the size of one population will affect the size of another.
It is a way to show an organism's role in the ecosystem (i. e., producer, primary consumer, secondary consumer).

you are certainly talking about this picture:

a: is the label of the white square, it is showing the  replication fork, formed by helicase (d) ==> so it is the site of dna separation and replication 

b: is a new dna brand that is following directly the replication fork, so it is continuous ==> built continuously from 5' to 3

c: dna polymerase cannot replicate dna on its own, it needs the of their proteins, and one of them plays the role of a clamp which fixes  the dna with the dna template and increases  the processivity of the enzyme. ==>   stops polymerase from falling off the  template.

d: is the enzyme responsible for forming the replication fork (helicase) ==> unwinds and separates dna into two strands

e: is the delayed strand, it is built  in the opposite sense of the helicase, so dna will be built in fragments ==> built  fragments from 5' to 3 joins

and finally f: is the enzyme that builds  the new dna strand (dna polymerase) ==>   adds nucleotides to make a new dna helix.

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the water is warmed up by the sun and then it evaporates into the atmosphere. the sunlight warms the water by its heat. water is then cooled down and condensation takes place. the water then finally returns back to the earth by the process of precipitation in the form of rain or ice.

explanation:

you can have just about every answer you can think of