Which type of environment would tend to reduce genetic variation in a population because of evolution by natural selection? grasslands that are undergoing severe drought
an ocean ecosystem that is becoming more acidic
an old growth forest with trees that are over 1,500 years old
a tropical rainforest that is being deforested for farmland

Which of the following typically characterizes a tropical rainforests

Select the correct answer. tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d

Awolf pack hunts,kills, and feeds on a moose. in this interactions, the moose is a?