Trial By Fire Review Topics 10 & 11

What do we call the gradual change of the traits of a species over long periods of time?

• Species

• Natural Selection

• Variation

• Evolution

What do we call a group of organisms that can reproduce with each other in their natural environment?

• Organism

• Natural Selection

• Species

• Ecosystem

What do we call an inherited trait that makes one individual different from another?

• Uniqueness

• Variation

• DNA

• Species

Which of the following would most likely DECREASE the ability of a species to survive?

• More variation in a species.

• Increased Water Supply

• Increase in Food Supply

• Increased Availability of Mates

• Increase in Pollution

Which of the following is a source of variations in a population of organisms?

• New members of a species moving into an area

• DNA mutations

• Changes that occur when DNA is copied

• All of the above.

Scientists believe that all life on Earth _________________.

• is the same.

• has become less complex over time.

• has a common ancestor.

• has the same number of genes.

What might cause an individual organism to not reproduce and pass on its DNA?

• Disease

• Natural Disaster

• Hunting

• All of the above.

Which of the following statements BEST describes how evolution happens?

• An insect with an adaptation for surviving insecticide lives to reproduce after being sprayed. Its offspring inherit the trait.

• Two Great Danes have their ears cropped. They have a litter of puppies that also need to have their ears cropped.

• Two excellent musicians have a baby. After years of practice, the child learns to play instruments as well as the parents.

According to the diagram, which type of mouse is MOST FIT in this environment?

• Light Mouse

• Dark Mouse

• Both are Equally Fit

• The Hawk

What type of rock usually has layers and contains fossils?

• Igneous

• Sedimentary

• Metamorphic