Biology Biology Practice Problems Solutions Library

History of Life on Earth Solutions Library

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9 solutions

History of Life on Earth

Q. The first forms of life on eart were thought to be _____.A. single-celled plantsB. prokaryotesC. insectsD. large animals such as dinosaurs

Solved • Aug 25, 2018

History of Life on Earth

Q. Which of the following is NOT a reason why fossils are especially significant in understanding the evolutionary history of insects?A. They provide ...

Solved • Jul 10, 2018

History of Life on Earth

Q. When two continents collide a(n) _____ often forms.a. chain of volcanic islandsb. ocean trenchc. mountain ranged. ocean ridge

Solved • Oct 11, 2017

History of Life on Earth

Q. The study of the movement of the earth's crust is called _____. a. paleontology b. meteorology c. plate tectonics d. driftology

Solved • Oct 11, 2017

History of Life on Earth

Q. The time period during which life arose and the first cells came into existence is the _____.a. Jurassicb. Carboniferousc. Precambriand. Paleocene

Solved • Oct 11, 2017

History of Life on Earth

Q. The primitive atmosphere had little if any _____.a. waterb. free oxygenc. carbon dioxided. nitrogen 

Solved • Oct 11, 2017

History of Life on Earth

Q. Approximately how long ago did LIFE first evolve on eartha. 4.5 billion yearsb. 3.5 billion yearsc. 1 billion yearsd. 600 million yearse. 100,000 y...

Solved • Aug 3, 2017

History of Life on Earth

Q. The oldest fossils of eukaryotes have been estimated to bea. 6000 years oldb. 8 billion years oldc. 4.5 billion years oldd. 1.5 billion years olde....

Solved • Jul 18, 2017

History of Life on Earth

Q. According to geochemists which of the following would have been the most unlikely condition on the primitive Earth?a. atmospheric coolingb. crust f...

Solved • Jul 18, 2017