I think the crust is formed by volcanic activity
Darwin was spurred to finally publish his theory of natural selection by the writings of C. WALLACE
Darwin was writing up his theory in 1858 when he received an essay from Alfred Russel Wallace, who was in Borneo, describing Wallace's own theory of natural selection. Joint publication of Darwin's essay together with Wallace's paper was immediately prompted but received little notice from the public.
The public's disregard of their work spurred Darwin to write an abstract of his work which was published in 1859 as his book "On the Origin of Species".
If one species in the food web ceases to exist, one or more members in the rest of the chain could cease to exist too. A plant or animal doesn't even have to become extinct to affect one of its predators.
Answer: Rougher Surfaces
Explanation: Rougher surfaces have more friction between them than smoother surfaces. The rougher surface of the soles of the shoes causes more friction and slows you down.
Answer:
D.
Explanation:
Mitosis three main functions are growth and repair of cells, and asexual reproduction for the single celled organisms.
The daughter cells have same chromosomes/genetics.
Example: repair and growth of skin, red blood cells etc.
