Ptosis (droopy eyelid) may be inherited as a dominant human trait. Among 30 people who are heterozygous for the ptosis allele, 10 have ptosis and 20 have normal eyelids. What is the penetrance for ptosis?

TLS Online TPP Program

#Question id: 10702

#Unit 10. Ecological Principles

Species A has a large effect on community because of its abundance in community known as

TLS Online TPP Program

#Question id: 10703

#Unit 10. Ecological Principles

Keystone predators can maintain species diversity in a community if they

TLS Online TPP Program

#Question id: 10705

#Unit 10. Ecological Principles

Which of the following statements is TRUE for an ecotone?

TLS Online TPP Program

#Question id: 10706

#Unit 10. Ecological Principles

Assuming community occupy by 4 species with number 10, 20, 10, 20. What is Shannon weaver index of that community?

TLS Online TPP Program

#Question id: 10707

#Unit 10. Ecological Principles

Based on the intermediate disturbance hypothesis, a community’s species diversity is increased by

TLS Online TPP Program

#Question id: 10708

#Unit 10. Ecological Principles

Which of the following statements is a likely explanation for why invasive species take over communities into which they have been introduced?