Answer:
TRUE
Explanation:The all-or-none law is a principle that states that the strength of a response of a nerve cell or muscle fiber is not dependent upon the strength of the stimulus. ... Essentially, there will either be a full response or there will be no response at all for an individual neuron or muscle fiber.
B. Many predators have a keen sense of smell and good hearing
Most likely
in a hypertonic solution, water leaves a cell by osmosis, causing the cell to shrink. In the hypotonic solution the concentration of dissolved substances is lower in the solution outside the cell than the concentration inside the cell. Therefore, there is more water outside the cell than inside.
Answer: A.
Insects fly to the flower for pollen and nectar
