Biology, 01.08.2019 21:00, PENTALIZARD6369
Classify these examples of symbiosis by type and explain your choice: 1) inside a human’s intestine live bacteria that make vitamin k; 2) a human picks up bacteria on his or her hands. the bacteria do not cause disease but do feed on the human’s dead skin cells; 3) a tick attaches itself to a human and feeds on the human’s blood.
Answers: 2
Biology, 22.06.2019 03:00, babygirlqueen5588
Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.
Answers: 2
Biology, 22.06.2019 04:30, texas101st78
What characteristic make legumes a good food source for food insecure populations
Answers: 3
Biology, 22.06.2019 06:30, unknown6669
Is there any solid scientific evidence that humans have been cloned?
Answers: 1
Biology, 22.06.2019 09:30, hockejoh000
What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent
Answers: 2
Classify these examples of symbiosis by type and explain your choice: 1) inside a human’s intestine...
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