Bio Final Exam

Do organisms "decide" to evolve and change? (they have the ability to change whenever they want)

• Yes, they know they need to change to survive 
• No, they change because of natural selection

This is an example of which type of adaptation?

• Physiological

• Structural

• Behavioral

What is the definition of fitness?

• ability to survive and reproduce in a specific environment
• organisms with traits well suited to their environment survive and reproduce at a greater rate
• a growing population causes a scarcity of resources
• differences in the DNA sequence

What is the human most closely related to?

• Fish

• mouse

• Salamander

• Human

The tail bone, wisdom teeth, and appendix are all parts of the human anatomy that would be considered...

• homologous structures

• vestigial structures

• fossils

• extinct

Based on the number of differences in amino acid sequence, which pair of organisms is least related to each other?

• Fruit fly-wheat

• Human - wheat

• Fruit fly- pigeon

• Human-horse

What should you do if you break glass in the lab?

• Tell the teacher.
• Sweep up the glass.
• Pick up the glass with your hands.
• Ignore it; the teacher will clean it up when she sees it later.

When is it OK to eat or drink in the lab?

• Always
• Never

Biology is the study of ______.

• the properties of matter and the changes it undergoes.

• celestial objects, space and physical universe as a whole.

• plants, their classification and structures.

• life as we know it.

Which thing is nonliving?

• A mushroom

• A tree

• A worm

• A river