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Biology, 21.06.2019 19:00
2. if scientists identify an animal with bilateral symmetry and no segmentation, which phylum can it definitely not belong to? a. roundworms b. annelids c. mollusks d. flatworms
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Biology, 21.06.2019 19:50
Ablastocyst is a group of cells that forms after a human egg is fertilized. the blastocyst consists of two types of cells. some of these cells will become the placenta. what do the other cells develop into?
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Biology, 22.06.2019 00:40
3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.
Answers: 1
Biology, 22.06.2019 02:00
The idea of spontaneous generation was disproved by in a experiment involving jars of meat
Answers: 1
How are frequency and wave period related ?...
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