Which of these conditions are always true of populations evolving due to natural selection? Condition 1: The population must vary in traits that are heritable. Condition 2: Some heritable traits must increase reproductive success

Condition 3: Individuals pass on most traits that they acquire during their lifetime. A) Condition 1 only
B) Condition 2 only
C) Conditions 1 and 2
D) Conditions 2 and 3


C

Biology & Microbiology

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Indicate whether the statement is true or false.

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In studying fossils, biologists found an insect in a layer of clay, a flower in a layer of sand, a fish in a layer of mud, a reptile in a layer of clay, and a bird in a layer of rock. The insect probably lived at the same time as the 

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