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A: Question - Approximately when did life first appear on land A. 500 million years ago B. 2 billion…
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- The Miller experiment consisted of various gases, believed to have been present in the early atmosphere of Earth, exposed to an electrical arc. This experiment resulted in a. nothing. b. carbon dioxide gas and water vapor. c. amino acids. d. rain.The smallest unit of life is the _____.a. atomb. moleculec. celld. organismWhich of the following would be the most likely place that life would first form on Earth?Choose one: A. mountaintops B. within the atmosphere C. anywhere D. on the surface at the lowest elevations E. deep under water
- Organisms with cell wall. Select the correct answers: A. Some representative fungi B. Cactus C. Bats D. Gram-negative bacterium TRUE OR FALSE. The RNA World is a theory that elucidates the origin of life through Earth's warm, primitive ocean. Life started gradually based on the chemical evolution of organic molecules. This is a theory related to abiogenesis.Describe the conditions or circumstances when organic material (i.e. living things) would not be preserved. There are 2 ideas for where life started. Describe both of them in terms of why or why not they are feasible.The Study of Life discusses themes in biology, how life is organized, the types of cellular life forms, evolution, and the process of scientific thinking. In this post, you will demonstrate an understanding of you've learned about the themes in biology, how life is organized, the types of cellular life forms, evolution, and the process of scientific thinking.
- Scientists think that terrestrial life probably originated in Earth's oceans becauseChoose one: A. energy was available there. B. all of the chemical pieces were there. C. All of the possible answers are correct. D. the earliest evidence for life on Earth comes in ocean-dwelling forms.where on the earth did life mostly likely first emerge, where all the ingredients and conditions for life existed? a. volcanic islands b. deep oceanic vents c. tidal pools d. tropical rainforestWhich of the following is true? A) Life originated around volcanic vents deep in the oceans. B) Life originated in lakes. C) Life originated on meteors.
- Life is found almost everywhere on Earth, but can you explain why it is notdistributed evenly around the planet.The astronomer Carl Sagan once said, “We are made ofstar stuff.” Explain why this is true of all life on Earth.Which of the following is not a fundamental characteristic of all of life on earth? a. all life includes a common chemical composition of biological molecules b. life has the ability to extract energy from the environment c. all life requires oxygen for metabolism d. life has a universal genetic code to build proteins e. all of these are fundamental characteristics of life on
