Chapter 6 Test: The History Of Life Of Earth
10 Questions
| Total Attempts: 2151
Chapter 6 test over the history of life on earth. Sections 6. 1, 6. 2, 6. 3 out of 7th grade Life Science textbook.
Questions and Answers
- 1.According to the fossil record, the first multicellular organisms were
- A.
Seaweeds
- B.
Jellyfish
- C.
Bacteria
- D.
Insects
- 2.The first land-dwelling organisms were
- A.
Insects
- B.
Simple plants and fungi
- C.
Amphibians and reptiles
- D.
Trees
- 3.The earliest living things lived
- A.
On land
- B.
In freshwater lakes
- C.
In the ocean
- D.
In the air
- 4.Scientists determine the absolute age of a fossil by
- A.
Studying where it is found
- B.
Measuring its radioactivity
- C.
Measuring its size and shape
- D.
Identifying the kind of rock in which it is found
- 5.Periods during Earth’s history when huge numbers of species suddenly disappeared are called
- A.
Variations
- B.
Mass extinctions
- C.
Period conclusions
- D.
Isolations
- 6.No two zebras have the exact same pattern of stripes. This is an example of
- A.
Variation
- B.
Adaptation
- C.
Evolution
- D.
Speciation
- 7.An inherited trait that gives an organism an advantage in its particular environment is
- A.
A speciation
- B.
A unicellular organism
- C.
An adaptation
- D.
A vestigial organ
- 8.Many organisms in the Galapagos have evolved to become new species with the help of
- A.
Isolation
- B.
Observation
- C.
Vestigial organs
- D.
Artificial selection
- 9.The production of new cells in the body is determined by
- A.
Genes
- B.
Variations
- C.
Isolation
- D.
Overproduction
- 10.The ancestors of snakes used legs to walk on land. The small leg bones that are still in the bodies of snakes are
- A.
Similarities in development
- B.
Vestigial organs
- C.
Adaptations
- D.
Fossils
Questions: 38 | Attempts: 1057 | Last updated: Mar 22, 2022
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