Answer:
The four main ways are freeze-thaw, onion skin (exfoliation), chemical and biological weathering.
Explanation:
No because they do not all look exactly the same
the function of an individual gene is to dictate the production of a specific enzyme
Answer: the area occupied by a population
Explanation:
A population density can be define as the number of individuals of the population of a species living in per unit area over a particular time. Population density may vary depending upon the number of live births, deaths, number of immigrated and migrated members counted in concerned period of time.