Which of the following has caused 100,00 year cycles of ice ages in the past?
a. an increase...
Biology, 02.11.2019 07:31, Miamibloem4709
Which of the following has caused 100,00 year cycles of ice ages in the past?
a. an increase in sun spots
b. several major volcanic eruptions
c. changes in earths orbit and the tilt of its axis
d. continental drift
Answers: 3
Biology, 22.06.2019 02:30, ElegantEmerald
How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?
Answers: 3
Biology, 22.06.2019 03:00, ninaaforever
Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.
Answers: 1
Biology, 22.06.2019 03:40, NANA2007
Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.
Answers: 2
Biology, 22.06.2019 13:30, rockinrosh12
La glucosa es el nutriente mas utilizado por las celulas en la respiracion celular en esta ocurre 4 fenomenos cuales son
Answers: 2
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