Biology, 12.07.2019 18:00 acoverupoze5th
Scientists believe that the first organisms that appeared on earth were prokaryotic. which of the following best represents what the cell structure of these organisms may have looked like?
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Biology, 22.06.2019 04:00
What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.
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Biology, 22.06.2019 08:00
Explain why biological control methods are generally environmentally superior to chemical pest control methods.
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Scientists believe that the first organisms that appeared on earth were prokaryotic. which of the fo...
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