TLS Online TPP Program

#Question id: 2559


Even though plants cells carry out photosynthesis, they still use their mitochondria for oxidation of pyruvate. Under what conditions will plant cell mitochondria be active in this process?

#Unit 2. Cellular Organization
  1. only in photosynthetic cells in the light, while photosynthesis occurs concurrently

  2. only in cells that store glucose in the form of starch and only in the dark

  3. in all cells, with or without light

  4. in photosynthesizing cells in the light, and in other cells in the dark

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TLS Online TPP Program

#Question id: 12103

#Unit 10. Ecological Principles

Which of the following is a good description of an ecological niche? 

TLS Online TPP Program

#Question id: 12104

#Unit 10. Ecological Principles

Two barnacles, Balanus and Chthamalus, can both survive on the lower rocks just above the low-tide line on the Scottish coast, but only Balanus actually does so, with Chthamalus adopting a higher zone. Which of the following best accounts for this niche separation?

TLS Online TPP Program

#Question id: 12105

#Unit 10. Ecological Principles

A species of fish is found to require a certain water temperature, a particular oxygen content of the water, a particular depth, a rocky substrate on the bottom, and a variety of nutrients in the form of microscopic plants and animals to thrive. These requirements describe its 

TLS Online TPP Program

#Question id: 12106

#Unit 10. Ecological Principles

Which of the following best describes resource partitioning?

TLS Online TPP Program

#Question id: 12107

#Unit 10. Ecological Principles

As you study two closely related predatory insect species, the two-spot and the three-spot avenger beetles, you notice that each species seeks prey at dawn in areas without the other species. However, where their ranges overlap the two-spot avenger beetle hunts at night and the three-spot hunts in the morning. When you bring them into the laboratory, their offspring behave in the same manner. You have discovered an example of

TLS Online TPP Program

#Question id: 12108

#Unit 10. Ecological Principles

Resource partitioning would be most likely to occur between