Answer:
Chromosome numbers from a diploid.
Explanation:
The correct answers is Eocene. Scientists infer that the earliest grasses on Earth first appeared during the Eocene epoch, a part of the Tertiary period. Along with the growth of grasses are herbivores that thrive and some mammals like camels, horses, and rodents.
Answer:
Explanation:
Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor.
Answer:
The theory of evolution was proposed by Charles Darwin and was first formulated in his book, "Origin of Species" in 1859. It focuses on the changes in species and populations over time
