Polyploidy : a. is a type of sympatric speciation.
b. occurs in 95% of ferns.
c. results from an increase in chromosomes.
d. occurs naturally in about 50% of all plant species.
e. All the answer choices are correct.

The is an estimate of the fewest number of organisms a population needs to avoid extinction. this measurement will most if the number of offspring each female in the population produces increases. if the population's this measurement will most likely increase. 1 population density, minimum viable population, carrying capacity 2 decrease, be unaffected, increase 3 death rate increase, dead rate decrease