Answer:
its a test its a test
Explanation:
Is this a test is this a tetstis this a test is ti
Natural selection & common decent
Higher trophic level is further up the food chain. Further up you go there are less and less competitors. So the answer is true
Answer:
Risk factors include: Advancing maternal age. A woman's chances of giving birth to a child with Down syndrome increase with age because older eggs have a greater risk of improper chromosome division. A woman's risk of conceiving a child with Down syndrome increases after 35 years of age.