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TLS Online TPP Program

#Question id: 4174

Which is not true about the genetic code?

#Unit 3. Fundamental Processes

  1. Some amino acids share the same codon.

  2. The first two nucleotides of a codon are often enough to specify a given amino acid.

  3. Some codons do not specify an amino acid.

  4. Nearly all organisms use the same genetic code.

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TLS Online TPP Program

#Question id: 11931

#Unit 10. Ecological Principles

Sexual dimorphism may arise from: 
TLS Online TPP Program

#Question id: 11932

#Unit 10. Ecological Principles

According to the hamilton-zuk hypothesis, a female bird is most likely to select a male as a mate that has: 
TLS Online TPP Program

#Question id: 12140

#Unit 10. Ecological Principles

In some animal species, social organization involves the establishment of a system of ordered social rank instead of the occupancy of territories. Such a system of ordered social rank is referred to as a __________. 
TLS Online TPP Program

#Question id: 12141

#Unit 10. Ecological Principles

The density and spacing of individuals within suitable habitat and the proportions of individuals in each age class comprise a population's __________. 
TLS Online TPP Program

#Question id: 12142

#Unit 10. Ecological Principles

Regarding the geographic range of a species, which of the following statements is true? 
TLS Online TPP Program

#Question id: 12143

#Unit 10. Ecological Principles

The __________ states that two species cannot coexist indefinitely when the same resource limits both species.