Which two observations led Darwin to conclude that there is competition for survival?
A) Overproduction of organisms and limited food resources
B) Fossils and mutations
C) Gene and allele differences in organisms
D) Natural selection and descent with modification
Correct Answer:
Verified
Q2: The oldest fossils are typically found in
Q3: What is the name for the study
Q4: What contribution did Charles Lyell make?
A)He found
Q5: Individuals with variations that make them best
Q6: Evolution can be best defined as _.
A)the
Q7: Before the publication of Charles Darwin's On
Q8: The approach that consists in comparing DNA
Q9: Natural selection acts on _, and _
Q10: What is radiometric dating?
A)The process of determining
Q11: Which of the following is evidence for
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