1.
where on earth can ecological relationships be found?

only where there is high diversity (many species)

any place where there are living organisms

only in the tropics

these are very rare and difficult to find.

Which of the following statements is true of enzymes? a)they dont provide an active site for substrates to bind in a reaction b)they act on a specific type of substrate in a reaction c)they unusable after a reaction d)they change shape after a reaction

What are the characteristics of living things

Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms