Answer: Oxygen
Explanation:
During the process of cellular respiration, carbon dioxide is given off as a waste product. This carbon dioxide can be used by photosynthesizing cells to form new carbohydrates. Also in the process of cellular respiration, oxygen gas is required to serve as an acceptor of electrons.
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<span>After
the baroreceptor detect low blood pressure, there is a</span><span><span> sympathetic activation</span>, by the brain, of the vagal
nerve causing vasodilation of veins and arterioles,
decreased of heart rate and strength of contraction of the heart.
</span>A <span>sympathetic activation and a parasympathetic inhibition allows the baroreflex to elevate blood pressure.</span>
Answer:
Happiness, hydration, food
Answer:
Selectivity in choosing a mates
Geographic barriers separating subpopulations.
Explanation:
Selectivity in choosing a mates is a factor in which individuals can mate with each other. Some individuals tend to choose a sexual mates that posses some traits or characteristics that attract them to each other and because of the observable character, similar individuals attracted to each other mates.
Geographic barriers separating subpopulations is another factor that make similar organism or individuals to mates.
When there is geographic separations or demarcation between individuals in a species and they are separated from other subpopulations .. They tend to mate with each other in the same geographic location and cannot mate with other subpopulations that is outside their own geographic location. These is common in animals.
The answer is B. Heart attack! Hope this helps! :)
