<span>nerve cells need b 12 for proper functioning</span>
If I remember correctly, there are two main types of transport—passive and active. Passive transport does not require energy or ATP, whereas active transport does.
Types of passive transport include diffusion and osmosis, both of which involve moving down a concentration gradient and thus not requiring energy.
Active transport moves up the concentration gradient and does require energy.
Perhaps someone who has taken bio within the last several years can correct anything I might have misstated here.
Answer:
can you be more specific about your problem
'<span>Does carrying capacity influence the survival of a population?'
The answer you're looking for is something along the lines of Yes, because a carrying capacity that is too small will be easy prey, while a carrying capacity that is too large will consume it's needed resources too quickly.
Hope this helped!</span>
Is the summarized through the producer, such as a plant, being eaten by a monkey, which is turn preyed on by a Jaguar. centipede that hunts insects, but is later consumed by a toucan