The answer is b.
Internal fertilization takes more time and energy but it allows for the offspring to revive more devoted care. When an organism spends that much time and energy investing in an offspring it becomes worth the investment to devote more care towards it.
<span>CO2 narcosis. This happens when people are given too much oxygen...this slows down the oxygen driven drive to breathe and we breathe slower... Then CO2 can build up and reach levels that can be toxic...can be lethal as in hypercapnia.</span>
Answer:
D. all of the above
Explanation:
Sending signals is what computers do like me typing which will send the computer a signal that I am writing this letter. I also, control my breathing and heart rate with my brain, the brain sends nerves through the spinal cord which makes me move and sends them to other parts of the body so they can move too. Therefore, it is just like that.
