When birds migrate into or out of a defined population and mate with birds from another population, the existing pool of genes may be altered. Migration can increase or decrease gene frequencies in populations, resulting in...
greater genetic variation, which may enhance chances of survival.
less genetic variation, which will not influence chances of survival at all.
selective breeding, which may enhance chances of survival.
natural selection, which will not influence chances of survival at all.
Answers: 3
Another question on Biology
Biology, 22.06.2019 00:50
What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.
Answers: 2
Biology, 22.06.2019 13:50
Interactions between organisms and their environment impact the organism’s overall population. the jaguar panthera onca is the largest cat in north america. it is found in areas across the southwest, including arizona, new mexico, and texas. it is a carnivore that has powerful jaws and sharp teeth and preys on fish, turtles, tapirs, and many smaller mammals. which shows the relationship between the jaguar and turtles?
Answers: 3
Biology, 22.06.2019 16:20
Fossils of ancestors of the modern horses show a small 4-toed almost dog-like browsing animal named eohippus over time the horses got larger lost toes and changed to a grazing diet what is the best explanation of why this change occurred
Answers: 1
You know the right answer?
When birds migrate into or out of a defined population and mate with birds from another population,...
Questions
Computers and Technology, 24.12.2019 03:31
Computers and Technology, 24.12.2019 03:31
Physics, 24.12.2019 03:31
