Perinatal transmission is said to occur when a pathogen is transmitted from

TLS Online TPP Program

#Question id: 11057

#Section 1: Ecology

Bombardier beetles release an explosive mixture of quinones and hydrogen peroxide from glands at the end of their abdomen when disturbed by grasshopper mice and other predators. This is an example of what kind of defense against predation?

TLS Online TPP Program

#Question id: 4601

#Section 2: Evolution

DDT was once considered a "silver bullet" that would permanently eradicate insect pests. Instead, DDT is largely useless against many insects. Which of these would have prevented this evolution of DDT resistance in insect pests?

TLS Online TPP Program

#Question id: 3522

#Section 2: Evolution

A haplo-diplod insect, Male are haploid but female are diploid, A female who is heterozygous for recessive red eye color mutation mate with red eye male. What will be percent of wild phenotype color eye among their female?

TLS Online TPP Program

#Question id: 12140

#Section 1: Ecology

In some animal species, social organization involves the establishment of a system of ordered social rank instead of the occupancy of territories. Such a system of ordered social rank is referred to as a __________. 

TLS Online TPP Program

#Question id: 12150

#Section 1: Ecology

You are studying population dynamics in three species of small aquatic invertebrates called water fleas. Among these species, which is most likely to exhibit regular population cycles?