Which of the following would not be useful in determining the age of a fossil?
a. Radiometric dating of the rock containing the fossil.
b. Relative dating of the layers surrounding the fossil.
c. Identification of fossils of known age found near the fossil in question.
d. Analysis of the stage of embryological development represented by the fossil.
Suppose a biologist observes many individuals in a species of flowering plant. She notices that some of the individuals open their flowers in the middle of the day and close at dusk, while others do not open until much later in the afternoon and close after dark. Flowers need to be open for pollinators to visit and transfer pollen for the plant to reproduce. Which of the following is likely to occur over time?
a. artificial selection
b. competition
c. extinction
d. speciation
Scientists infer evolutionary relationships between organisms by comparing their:
a. number of offspring
b. homologous structures
c. environments
d. trace fossils
My answers: D,D,B
11 answers
B
D
A
C
D
B
sorry.