Vestigial structures. These are structural elements that once served a purpose but as the organism evolved now serves no purpose.
Answer: Biological
Explanation:
Women experience different types of eating disorders as compared to men this shows that the biological factor affects the psychopathology.
There are many different types of the eating disorders. The disorders like anorexia nervosa, bulimia nervosa, rumination are some of the eating disorder which is seen in females.
These disorders are common in females more than male. These factors show that the psychopathology is somewhere related to the biology.
Answer:
D. predator population will decrease
Explanation:
If the population of prey species decreases then the competition between the predator population will increase and natural selection will act on them. So nature will select those individuals among predators who are more fit and adapted and less fit individuals will die.
So a few year after the predator population will decrease as there are not enough prey to support the large population of predators which was present when prey were abundant. Therefore the correct answer is D.