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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?

#Section 2: Evolution

  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: 10854

#Section 2: Evolution

Which of the following is an example of a hemiparasite?
TLS Online TPP Program

#Question id: 16899

#Section 3: Mathematics and Quantitative Ecology

Which of the following is not a possible explanation for this finding?
TLS Online TPP Program

#Question id: 3269

#Section 2: Evolution

Two plant species live in the same biome but on different continents. Although the two species are not at all closely related, they may appear quite similar as a result of
TLS Online TPP Program

#Question id: 8848

#Section 2: Evolution

A carbon skeleton is covalently bonded to both an amino group and a carboxyl group. When placed in water it
TLS Online TPP Program

#Question id: 11766

#Section 1: Ecology

The population density of a particular insect species was determined to be 15,000 adults per hectare in the summer of 1996, 21,000 adults per hectare in the summer of 1997, and 29,400 adults per hectare in the summer of 1998.

What would you expect the insect population to be in the summer of 2000, assuming no change in λ?