How can reproductive isolation in plants be mediated through pollinators?

What will be an ideal response?


ANS:
If plants of two different species are pollinated by different pollinators, then the pollen from one plant will never reach the ovules of the other.

Biology & Microbiology

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Each of the following statements is true for Toxoplasma gondii except that

A. it can cause stillbirth. B. infection often fatal for AIDS patients. C. it is a flagellated parasite. D. it has a narrow host range.

Biology & Microbiology

The weakest symbiotic association, in which one

species simply lives better in the presence of another species is a. commensalism. b. competitive exclusion. c. mutualism. d. facultative obligate mutualism. e. parasitism.

Biology & Microbiology

Which enzyme is responsible for integration of a temperate phage into a host genome?

A) ?-galactosidase B) transposase C) integrase D) transacetylase E) permease

Biology & Microbiology

How do hormonal methods prevent conception?

What will be an ideal response?

Biology & Microbiology