You have isolated a set of five yeast mutants that form dark red colonies instead of the usual white colonies of wild-type yeast. You cross each of the mutants to a wild-type haploid strain and obtain the results shown below;

y

you cross each haploid mutant strain to a different haploid mutant of the opposite mating type. What type of mutation shown in the above figure;

TLS Online TPP Program

#Question id: 10719

#Unit 10. Ecological Principles

Five Hypotheses Explain How Species Richness Affects Community Services, Following statement are given

A) Community services decline with decreased species richness in a stepwise fashion.

B) Species that play the same roles in a community can compensate for each other if some are lost under particular conditions

C) Species richness declines even slightly from its natural levels, community services are reduced immediately

D) Community services change as the number of species increases or decreases, but that the direction of change is not predictable.

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#Question id: 10720

#Unit 10. Ecological Principles

What is the Jaccard index between the two communities?

TLS Online TPP Program

#Question id: 10731

#Unit 10. Ecological Principles

Shannon index of diversity is calculated using the equation below

Community with 5 species and evenness value is one, what will be value of Shannon index

TLS Online TPP Program

#Question id: 10732

#Unit 10. Ecological Principles

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

TLS Online TPP Program

#Question id: 10734

#Unit 10. Ecological Principles

This term is a measure of the ability of a system to resist change in the face of outside influences.

TLS Online TPP Program

#Question id: 10736

#Unit 10. Ecological Principles

Ecotones are: