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TLS Online TPP Program

#Question id: 4943

In what way were conditions on the early Earth of more than 3 billion years ago different from those on todayʹs Earth?

#Unit 11. Evolution and Behavior

  1. only early Earth had water vapor in its atmosphere.

  2. Only early Earth was intensely bombarded by large space debris.

  3. Only early Earth had an oxidizing atmosphere.

  4. Less ultraviolet radiation penetrated Earthʹs early atmosphere.

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TLS Online TPP Program

#Question id: 12378

#Unit 10. Ecological Principles

Primary succession is occurring.
TLS Online TPP Program

#Question id: 12377

#Unit 10. Ecological Principles

The pattern of gap formation may influence species diversity.
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?