Which of the following statements best explains why modification or change in an organ or tissue during the lifetime of an individual is not inherited?

#Question id: 3438

#Section 2: Evolution

The type of learning that causes specially trained dogs to salivate when they hear bells is called

#Question id: 16837

#General Aptitude

Which figure can be formed with the given pieces?

#Question id: 10631

#Section 2: Evolution

To estimate the number of foxes m an area, a researcher conducted a mark-recapture survey. In the fast survey, he caught and marked 90 foxes. In his second survey a week later, he caught 120 foxes of which 40 were marked (recaptures). If you are told that the actual number of foxes in this area is 400, which of the following is a plausible explanation for the anomaly in the researcher's data? 

#Question id: 10571

#Section 2: Evolution

#Question id: 11510

#Section 2: Evolution

Life history trait varies environmental condition, both survivorship and fecundity is habitat dependent in practice but intrinsic rate of increase can change as environmental change. Following life history trait is characteristic of r-selected species?

A) Later age at first reproduction                    B) Long generation time

C) Multiple broods per life spans                    D) Large number of offspring per brood