Answer:
Allopatric speciation occur due to various environmental factors with in the environment.
Explanation:
Speciation occur when two population become so genetically different and the can not interbred to produce fertile off spring. The allopatric speciation occur when population become sepret and diverge over time due to natural selection,genetic drift,and mutation.Genetic drift is the sudden loss of gene from a population which cause the population evolvation. Mutation is also change in the genetic makeup of an individual.Natural selection is the phenomena selected by nature and natural forces are involve to select the trait in a living organism.
It means to make something productive. "the action or process of fertilizing an egg, female animal, or plant, involving the fusion of male and female gametes to form a zygote."
Answer: i dont get your question but i can answer something as the orchard is near a stream
Explanation: As artificial fertilizer is being used and the orchard is near a stream the artificial fertilizer used in the orchard will possibly enter the stream ,thereby contaminating the stream in various ways , as it is artificial it might contain chemicals which are harmful for marine life/ life under water, thus reducing the quality of the water in the stream
HOPE THIS HELPSS
Answer:
Only a. DNA comparisons of dogs and wolves is valid evidence.
Explanation:
