PreAP Biology

The diagram illustrates an embryonic stage of two organisms.

Which of the following can be determined by observing the embryos shown in the diagram

• The organisms share a common ancestry.
• The organisms belong to the same genus.
• The organisms are native to the same geographic areas.
• The organisms will grow into anatomically similar adults.

Which of the following pieces of evolution evidence deals with aged and identified fossils?

• fossil record
• comparative embryology
• comparative biochemistry
• comparative anatomy

Which of the following pieces of evolution evidence deals with similar molecules in related individual species?

• fossil record
• comparative embryology
• DNA comparison
• comparative anatomy

Which of the following pieces of evolution evidence deals with comparing similar structures in various species?

• fossil record
• comparing embryology
• comparing biochemistry
• comparing anatomy

Which of the following pieces of evolution evidence deals with structures common in embryos that form differently or for different purposes in adult form?

• fossil record
• comparing embryology
• comparing biochemistry
• comparing anatomy

Which of the following pieces of evolution evidence contain both homologous and vestigial structures?

• fossil record
• comparing embryology
• comparing biochemistry
• comparing anatomy

Which word is defined as the same structure in different species indicating a common ancestor?

• homologous structures
• vestigial structures
• analogous structures
• DNA

Which word is defined as a reduced form of a functional structure in 1 organism that shows up as fully functional in another?

• homologous structures
• vestigial structures
• analogous structure
• DNA

The forelimbs of human, frog, bat, porpoise, horse are which of the following?

• homologous structures
• vestigial structures

What is suggested by the similarity of early embryos of different species of vertebrates?

• no evolutionary relationships between the groups
• recent common ancestry
• similar environments in the past
• evolution from a distant common ancestor