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TLS Online TPP Program

#Question id: 4992

The existence of the phenomenon of exaptation is most closely associated with which of the following reasons that natural selection cannot fashion perfect organisms?

#Unit 11. Evolution and Behavior

  1. Natural selection and sexual selection can work at cross-purposes to each other.

  2. Evolution is limited by historical constraints.

  3. Adaptations are often compromises.

  4. Chance events affect the evolutionary history of populations in environments that can change unpredictably.

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TLS Online TPP Program

#Question id: 11747

#Unit 6. System Physiology – Plant

A mechanism for preventing sap loss entails closing sieve plate pores with callose, which is
TLS Online TPP Program

#Question id: 12786

#Unit 10. Ecological Principles

How are matter and energy used in ecosystems?
TLS Online TPP Program

#Question id: 3438

#Unit 11. Evolution and Behavior

The type of learning that causes specially trained dogs to salivate when they hear bells is called
TLS Online TPP Program

#Question id: 10289

#Unit 6. System Physiology – Plant

If C6 of glucose is radiolabelled, which carbon of Dihydroxyacetone phosphate and glyceraldehyde 3-phosphate  is radiolabelled?
TLS Online TPP Program

#Question id: 24641

#Unit 10. Ecological Principles

Soil that are said to be humus poor ____A____ and those soil that are said to be humus rich ___ B______.