It will cause vasodilation of blood vessels in the brain.
CO2 is one of the metabolic end products that can alter the
tone of the blood vessels in the brain. High CO2 levels cause vasodilation,
which may cause headache, whereas low CO2 levels cause vasoconstriction, which
may cause lightheadedness. The statements included in the other options are
incorrect effects.
Develops through gradual process over many generations.
Explanation:
The question that is most likely to be studied by biologists could be "What is the effect of exercise on heart rate in horses?" since they study everything related to the Life. <em>Hope</em><em> </em><em>this</em><em> </em><em>answers</em><em> </em><em>your question</em><em>.</em><em>.</em><em> </em><em>And</em><em> </em><em>good</em><em> </em><em>luck</em><em>!</em><em> </em>
When you hear a dog bark you brain is not really hearing the dog bark. It is receiving electric signals from your ears which we can call codes. Then it tries to find a match from all the sounds you have stored in your code bank. Then the brain realizes that the code it received matches with the dog.
Another example is When you eat spicy food why do you think you get the burning sense? Its because spicy foods trick your tongue to send a code that there is a hot object on your tongue.
B,
predators can help limit prey populations? i’m not sure on that one.
parasites don’t want to kill their host because it relies on its host’s body and body functions. such as a tick on a dog.
i really hope this helps a little