The environment provided building materials for housing. Natural events influenced language. The environment provided natural disasters, which created areas for shelter. Settlements grew around areas where the climate was dry and cold. A moderate and wet climate made it possible to grow crops.
Answer: Allopatric speciation , by geographical isolation
Explanation:
Allopatric speciation occurs when two populations are separated by geographical barrier from one another.
The differences in their traits as new species, is due to influence of selective pressures in their individual new environments on the morphological, physiological and behavioural features leading to the formation of a new species..
Answer:
A. Activates enzymes and prepares proteins for digestion
Explanation:
The stomach is where food bolus is turned into chyme. It's is a site for Protein breakdown by two enzymes Erepsin and Renin. HCL, a member of Gastric Juice, helps I'm the break down of food ..
Contractions of the stomach is a brain induced hormonal cause. Absorption of Vitamin B12 happens at the last part of the small intestine, Ileum.
C. Oxygen in air reacts with iron content in rocks, causing them to change colors.