Answer:
The lighter frogs will be eaten and will not be able to reproduce offspring with the light green trait. Darker green frogs will be able to reproduce more dark green frogs. Eventually most/all frogs will be a darker green because they carry a trait that improves chances of survival.
Answer:
False
Explanation:
Action potential will only be fired when the memebrane potential is above the threshold level.
This follows the all-none -principle.
No matter the strenght of stimulus if the magnitride is not upto the threshold level,No action potential will.be generated.
An example is the flushing of water closet or lavoratory.No mater one tried to flush,if the water in the closet does not fill up to the threshold for flushing,,to propel flushing. not flushing will take place.
Answer:
Guard cells
Explanation:
Guard cells are useful in protecting the stomata
no photosynthesis will occur in them
Atom, Molecule, Organelle, Cell, Tissue, Organ, Organ System, Organism, Population, Community, Ecosystem, Biome, Biosphere
