Answer:
by their species or genus
Explanation:
Answer:
Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system.
Explanation:
Answer:
Stomach mucus protects the gastrointestinal cells from the damage that gastric juices can cause. Gastric juices are very acidic and without the mucus, the acid can destroy the cells and tissues inside the stomach.
Answer:
<h2>C.</h2>
Explanation:
This theory tells us that all cells come from existing cells, means all living cells come from the division of pre-existing cells. They do no come spontaneously from non- living matter as early believed. All pre-existing cells divide to form new cells by mitosis or meiosis. New cells never come from non-living matter suddenly, they only come from cell only.
D. The tendency of a cell to maintain a stable internal environment.