Which of the following statements reflects the mechanism of natural selection?
There are variations within every species
Individuals of every species are genetically identical
No organism in a species dies before sexual maturity
Organisms with selective advantages are less likely to survive
Correct answer is A
No explanation has been provided for this answer.
In evolution, analogous structures are significant because they show
physiological diversity
functional diversity
genetic diversity
structural diversity
Correct answer is A
Analogous structures are defined as biological structures having similar or corresponding functions but not from the same evolutionary origin.
The importance of courtship in animals includes the following except
ensuring that the female chooses the right male species
arousing both male and female partners
protection of territory
to coincide with the ovulation period and ensure fertilization
Correct answer is D
No explanation has been provided for this answer.
35%
50%
75%
100%
Correct answer is B
No explanation has been provided for this answer.
1 : 2: 1
1 : 1
3 :1
2 : 1
Correct answer is B
No explanation has been provided for this answer.