Which change describes a demographic transition?
Question 19 options:
a population...
Biology, 17.03.2020 03:22 goalltheway4768
Which change describes a demographic transition?
Question 19 options:
a population moves from a high birthrate and death rate to a high birthrate and low death rate
a population moves from a high birthrate and low death rate to a low birthrate and death rate
a population moves from a low birthrate and death rate to a low birthrate and high death rate
a population moves from a high birthrate and death rate to a low birthrate and low death rate
Answers: 2
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In dna, only the_ varies from one nucleotide to another. base phosphate sugar amino acid
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The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.
Answers: 1
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19. a cell is viewed under a microscope and is found to have two nuclear envelopes and spindles that appear to be breaking apart. which phase of mitosis is the cell most likely in? a. metaphase b. prophase c. telophase d. anaphase
Answers: 2
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During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing
Answers: 2
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