Biology, 24.09.2020 15:01 bandithcarroyuqhi
Think of the human brain for a moment. It is an incredibly complex mechanism. It consists of a range of structures, including hemispheres, lobes, and even layers. Each structure is comprised of various types of cells, including nerve cells, blood cells, and cells that make up blood vessels. Where do you think all these cells came from? Consider what you know about mitosis and meiosis. Have the cells that make up your brain existed since fertilization? If so, how does human growth occur? If not, can you trace their origins back to fertilization?
Answers: 2
Biology, 21.06.2019 19:40
Astudent drew the following flowchart to show the movement of nutrients. soil → roots → plants →? where does nitrogen go next? a. directly into nearby animals as nutrition b. directly into aquifers through condensation c. directly into the air through evaporation d. directly into nearby plants during fixation
Answers: 1
Biology, 22.06.2019 00:00
Read the sentence. “yesterday we arrived late for the outdoor concert in the city gardens.” which words in the sentence are adverbs? a. late; city b. yesterday; outdoor c. yesterday; late d. outdoor; city
Answers: 1
Biology, 22.06.2019 02:00
For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system
Answers: 2
Think of the human brain for a moment. It is an incredibly complex mechanism. It consists of a range...
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