The larvae of some insects are merely small versions of the adult, whereas the larvae of other insects look completely different from adults, eat different foods, and may live in different habitats. Which of the following most directly favors the evolution of the latter, more radical, kind of metamorphosis?

TLS Online TPP Program

#Question id: 12343

#Section 1: Ecology

Hybrids between some related species of plants are sterile because the parent plants had different chromosome numbers. Occasionally the chromosome number of such a hybrid  plant doubles spontaneously. Which of the following best describes the descendants of those plants with the double chromosome number?

TLS Online TPP Program

#Question id: 11175

#Section 1: Ecology

Leks

TLS Online TPP Program

#Question id: 10673

#Section 2: Evolution

Which of following attributes of parasite agent acts as a biological control is not necessary?

TLS Online TPP Program

#Question id: 10732

#Section 1: Ecology

A community plus the nonliving factors with which it interacts is called a(n)

TLS Online TPP Program

#Question id: 4596

#Section 2: Evolution

In a hypothetical environment, fishes called pike-cichlids are visual predators of large, adult algae-eating fish (in other words, they locate their prey by sight). The population of algae-eaters experiences predatory pressure from pike-cichlids. Which of the following is least likely to result in the algae-eater population in future generations?