Biology, 21.05.2020 18:02 jetblackcap
A physical structure or a behavior that helps an organism to survive in its environment is A. natural selection. B. a mutation. C. extinction. D. an adaptation.
Answers: 2
Biology, 21.06.2019 13:20
Compare and contrast the relative importance of the sporophyte vs gametophyte generation between nonvascular plants (bryophytes), seedless vascular plants and seed plants, and explain the ecological significance of a larger sporophyte generation
Answers: 1
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.
Answers: 3
Biology, 22.06.2019 09:30
Which statement names a physical property of wood? wood does not rustwood can burnwood can rotwood is softer than coal
Answers: 2
A physical structure or a behavior that helps an organism to survive in its environment is A. natura...
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Mathematics, 27.12.2019 19:31