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: 11641

#Section 1: Ecology

The number of individuals that a particular place can support indefinitely is called the

TLS Online TPP Program

#Question id: 11770

#Section 1: Ecology

Natural selection in an animal population results in narrowing of the range of phenotypic variation but no change in the average phenotype. What kind of selection is this population experiencing?

TLS Online TPP Program

#Question id: 4713

#Section 2: Evolution

A farmer uses triazine herbicide to control pigweed in his field. For the first few years, the triazine works well and almost all the pigweed dies; but after several years, the farmer sees more and more pigweed. Which of these statements explains why the pigweed reappeared?

TLS Online TPP Program

#Question id: 3440

#Section 2: Evolution

Which of the following is least related to the others?

TLS Online TPP Program

#Question id: 12334

#Section 1: Ecology

If a meteor impact or volcanic eruption injected a lot of dust into the atmosphere and reduced the sunlight reaching Earth's surface by 70% for one year, all of the following marine communities most likely would be greatly affected except