Biology, 20.02.2020 06:59 heartykwarteng12
A tobacco farmer is walking through her fields. On a tobacco plant leaf, she notices several small brown spots surrounded by what appears to be necrotic or dying tissue. What likely caused these spots and necrotic patches?
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Natural resources are any materials that humans obtain from the earth to meet our wants and needs.
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During convection, less dense fluid rises and denser fluid sinks.
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The most effective way to provide children with safety messages is to
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Biology, 22.06.2019 17:00
Some species of wasps are social. the queen starts a colony from scratch each spring. she builds a small nest, and lays and raises a group of female workers. the workers enlarge the nest while the queen continues to lay eggs. unfertilized eggs become males that mate with newly hatched females. all of the wasps except the newly fertilized females die by the summer. which best describes this behavior? a)it is beneficial only to the males that do not fertilize eggs. b)it is beneficial only to the female workers that are not fertilized. c)it is beneficial to each one of the individual colony members. d)it is beneficial to the whole species, but not to all of the individual members.
Answers: 1
A tobacco farmer is walking through her fields. On a tobacco plant leaf, she notices several small b...
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