Speciation in ancestor as following way

A- Non-swimming populations separated by a river may gradually diverge because there is no gene flow between them

B- Plants commonly exhibit polyploidy, meaning they contain three or more sets of chromosomes

C- The tendency for two species to diverge in morphology and thus resource use because of competition

Which of the following above condition allowed to which type of speciation?

TLS Online TPP Program

#Question id: 4595

#Section 2: Evolution

Currently, two extant elephant species (X and Y) are classified in the genus Loxodonta, and a third species (Z) is placed in the genus Elephas. Thus, which statement should be true?

TLS Online TPP Program

#Question id: 10643

#Section 1: Ecology

Population of ground squirrels has an annual per capita birth rate of 0.06 and an annual per capita death rate of 0.02) Estimate the number of individuals added to (or lost from) a population of 1,000 individuals in one year.

TLS Online TPP Program

#Question id: 11353

#Section 1: Ecology

Prior to the availability of a measles vaccine, outbreaks of measles occurred at two-year intervals, why?

TLS Online TPP Program

#Question id: 10613

#Section 1: Ecology

Life-history characteristics associated with K-selected organisms include

TLS Online TPP Program

#Question id: 10244

#Section 1: Ecology

Ecological niche modelling is used to predict the distributions of species. As a general rule, which of the following statements is true?