Answer: a
Explanation:
Because the top predictors only eat meat, and not the plants, so if you take out the primary consumers, then the top predictors will begin to die out.
They would constrict the diameter of blood vessels. Plaque and tobacco can block your arteries, inhibiting from doing their job.
Answer:
14.to 17 hours of a 24 hour period . say the national sleep faoundation , some newbourn sleep up to 18.to 19 hours a day
<em> </em><em>Ans</em><em> </em><em>is</em><em> </em><em>blood</em><em> </em><em>vessels</em><em> </em><em>expand</em><em>.</em>
<em>Hope</em><em> </em><em>this</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em>
It acts as biological catalysts, which can speed up the chemical reactions, it can fit substrates into its active site and produce a product, but the enzyme shape is not changed and it can be reused. just unless the enzyme meets high temperature or extreme pH values, which will denature them