Which of the following is the best definition of sympatric speciation?
A. Species that evolve due to geographical distance
B. Mechanical isolation acts to prevent speciation
C. Breeding behavior that prevents the organisms from breeding due to differences in their breeding time
D. Ecological isolation
E. Divergence within a population leads to speciation in the absence of a physical barrier to gene flow.
Answer: E
You might also like to view...
One mechanism of genomic imprinting silences an allele by DNA ____
a. methylation b. mutation c. transposition d. deletion e. inversion
Which of the following is not considered a micronutrient?
A. Copper (Cu) B. Magnesium (Mg) C. Manganese (Mn) D. Zinc (Zn)
Hyperparathyroidism can result in nervous system impairment due to which of the following issues?
a. low sodium levels b. weak bones c. high blood calcium levels d. excess insulin
Which of the following is not a biological effect of climate change?
1.Aquatic species threatened by changes in the composition of seawater.
2.Changes in animal migration times and breeding seasons.
3.Changes in the timing of flowering and terrestrial migrations.
4.Decreased production of allergy-inducing pollen by plants.