its for the first onehypothesis
h
If the Na+ voltage-gated channels in a muscle cell open, the Na (sodium) ions rush inside the muscle cell and makes the cell more positive as Na ions carry positive charge on it. Due to the entry of positively charged ions inside the cell, the cell becomes less negative and more positive. This is called depolarization of cell.
Plicae, villi and microvilli increase the surface area for he absorption of nutrients
Answer:
its D commensalism, one benefits from it and the other gets no harm
Explanation:
Herbivore; carnivore
A rabbit is an example of a herbivore while a hyena is an example of a carnivore.
A herbivore is an animal that obtain its energy by feeding mainly on plants (i.e. that eats no meat). Other examples of herbivores apart from rabbit are cows, sheep and insects. A carnivore is an animal that feeds on meat as the main parts of its diet. Other examples of carnivores apart from hyena are lions, coyotes, tigers and eagles.