<u>Answer</u>: an all or none response
According to the all-or-none law, it a certain threshol is crossed by a stimulus' strenght, it will cause a response in the nerve cell or muscle fiber. However, the strenght of the response will always be the same and will not vary with different stimulus strengths. The only requirement is for the threshold to be crossed.
Answer:
materials move against a concentration gradient
The answer to this is C because humans don't have cell walls and if you are looking at an onion it has a cell wall because it is a plant.
C. <span>more producers than consumers
</span><span>Because for example one large eagle needs lots of small sparrows to eat. There is usually a food pyramid so for example you could display it along the lines of 1,000 worms are eaten by 20 sparrows which are eaten by 1 eagle. Its just the way things are. It is a fine balance. if you went up to two eagles on same land they would run out of food quickly and then would either starve or have to move on and using up all the food doesnt help them so it needs to be in a fine balance. A balanced ecosystem.</span>
Yes yes hahaahhaqhhahahahaha yes hahaahhaqhhahahahaha yes hahaahhaqhhahahahaha
