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

we will always be cheaters XD

Dang that was from 2013, anyone here in 2021

Ddb is right

Can you please check my answers?

Which of the following explains why fossils of some extinct organism have been found while others have not?

artificial selection

Nevermind don't use those answers because it will be in a different order.

sorry.

OK, thank you for your help on all my other questions!

whooo hoo yes @anonymous

The answers for the whole quiz:

B
D
A
C
D
B