Life Science Chapter 4 Test (Open Book) Due: 12/4/2012 Name:

TYPE YOU ANSWERS DIRECTLY INTO THE WORD DOCUMENT AND EMAIL IT TO

tcleary@aisbmali.org

I.

1. Which of the Homo sapiens lived from 130,000 to 35,000 years ago?

2. How long ago did Homo habilis live on Earth?

3. About how long did Homo erectus inhabit Earth?

4. How much longer then Homo habilis did Homo erectus inhabit Earth?

5. Which of the ancestors of modern humans inhabited the earth for the longest time?

II. Multiple Choice: write the letter of the term or phrase that best completes the statement or answers the question.

1. The process by which organisms change over time is known as a. Adaptation b. Evolution c. Natural selection d. Variations

ANSWER: _______ 2. The most complete fossil record of evolutionary change is that of

a. Humans b. The dinosaur c. The horse d. Insects

ANSWER: _______ 3. Differences among individuals in a species are called

a. Adaptations b. Mutations c. Natural selection d. Variations

ANSWER: _______ 4. An example of how human activities affect other organisms is

a. Mutations b. Pollution c. Adaptations d. A hominid

ANSWER: _______ 5. Most fossils are formed in

a. Igneous rock b. Sedimentary rock c. Metamorphic rock d. Clastic rock

ANSWER: _______ 6. The science that deals with the study of human beings is known as

a. Psychology b. Geology c. Biology d. Anthropology

ANSWER: _______ 7. A sudden change in a gene is called

a. An adaptation b. A mutation c. A variation d. Natural selection

ANSWER: _______ 8. Any remain or trace of a once-living organism is a

a. Skeleton

b. Shell c. Fossil d. Sediment

ANSWER: _______ 9. A group of organisms that look alike and can reproduce among themselves is known as

a. A species b. Ancestors c. Mutations d. Genes

ANSWER: _______ 10. Body structures that seem to have no function are called

a. Homologous structures b. Glands c. Vestigial structures d. Mutations

ANSWER: _______ 11. Special traits that help organisms survive in their environment are

a. Adaptations b. Genes c. Mutations d. Fossils

ANSWER: _______ 12. Body parts that are similar in structure are called

a. Homologous structures b. Vestigial structures c. The fossil record d. DNA evidence

ANSWER: _______ 13. Organisms that are no longer found as living species are said to be

a. Untraceable b. Rare c. Extinct d. Endangered

ANSWER: _______ 14. The modern theory of evolution is called the theory of

a. Relativity b. Natural selection c. Variation d. Adaptation

ANSWER: _______ 15. Which of the following would most likely be found as a fossil

a. A shell b. A body organ c. Skin d. A leaf

ANSWER: _______ 16. The idea that each species produces more offspring than can survive is called

a. Variation b. Natural selection c. Evolution d. Overproduction

ANSWER: _______ 17. Natural Selection is also known as survival of the

a. Species b. Variation c. Fittest d. Fossils

ANSWER: _______ 18. All modern humans belong to the species

a. Cro-Magnon b. Homo sapiens c. Neanderthalensis d. Humanoids

ANSWER: _______ 19. About how many years old is the human-like fossil called Lucy?

a. 1.5 billion years b. 5.3 million years c. 2.3 billion years d. 3.5 million years

ANSWER: _______ 20. Insect fossils are often found preserved in

a. Amber b. Ice c. Tar d. Wood

III. Written Response: answer the following questions in complete sentences. 1. Infer: what might be the reason for the changes in skull shapes of human ancestors?

2. Apply: Would species have evolved over time if the environment they lived in never changed? Explain your answer.