Answer:
the red consumed the water
Explanation:
The correct answer for the question that is being presented above is this one: "b. has a much lower rate of primary productivity." Compared to an ecosystem with just a single stage of succession, an ecosystem with a variety of successional stages <span>b. has a much lower rate of primary productivity.</span>
In the given case, acetylcholine and norepinephrine are the neurotransmitters that may be present at the greater concentrations.
Norepinephrine refers to a neurotransmitter, which is essential for emotions, attentiveness, dreaming, sleeping, and learning. It is also discharged as a hormone in the bloodstream, where it enhances the rate of heart and makes the blood vessels to contract.
Another neurotransmitter known as acetylcholine refers to the chemical, which the motor neurons of the nervous system discharge to stimulate the muscles.
They would not have food and/or mates
Delayed phase preference.
Its when teenagers begin to stay up later on average about 2 hours later. It is initially caused by melatonin; its a chemical that makes us sleepy but in teenage melatonin levels rise about 2 hours later than in pre-teens, so teenagers do not get sleepy. When combined with stimulus to stay awake tv, texting or surfing the web or whatever teenagers go to bed much later.
