According to the passage, who formulated a series of explanations called evolution by natural selection?

• Charles Darwin

• Isaac Newton

• Gregor Mendel

• Albert Einstein

Based on the passage, what are two topics you will learn about in this tutorial?

• You will learn about two topics mentioned in the passage.

• You will learn about the history of mathematics and famous mathematicians.

• You will learn about cooking techniques and recipes.

• You will learn about sports and physical fitness.

Strategic Thinking: Learning about fossil discoveries in Florida might be exciting or important for students because:

• It helps students understand Florida's ancient history and the types of animals that lived there.

• It teaches students how to build fossils themselves.

• It shows students how to find gold in Florida.

• It explains why Florida is the hottest state in the US.

Read the passage carefully. What is a fossil?

• A living animal

• The traces or remains of an organism that lived long ago

• A type of rock

• A plant that grows in sedimentary rock

Read the passage carefully. What is adaptation? Fill in the blank: Adaptation is a feature common in a species so it is better suited to its ________.

• environment

• diet

• size

• color

Read the passage carefully. Which of the following best describes variation?

• The process of changing into something new

• A feature that helps a species survive

• Variety or a different version of something

• The remains of an organism

Read the passage carefully. True or False: Evolution means populations of species gradually change over time.

• True

• False

Read the passage carefully. Give an example of adaptation mentioned in the passage.

• Camouflage in animals

• Migration of birds

• Photosynthesis in plants

• Hibernation in mammals

Variation can be a good thing in nature because:

• it allows species to adapt to changing environments.

• it makes all organisms identical.

• it prevents evolution from occurring.

• it causes species to become extinct more quickly.

What does the term extinction mean?

• The dying out or termination of a species.

• The process of adaptation to new environments.

• The increase in population of a species.

• The migration of species to new habitats.