Which era is characterized by stromatolites as the most abundant fossil?
Mesozoic
Precambria...
Biology, 14.10.2021 01:10 Quidlord03
Which era is characterized by stromatolites as the most abundant fossil?
Mesozoic
Precambrian
Paleozoic
Cenozoic
Answers: 3
Biology, 22.06.2019 04:00
The tubes transporting minerals and water upward are called ?
Answers: 1
Biology, 22.06.2019 14:50
The ultimate purpose of respiration: a. inhale 02 and exhale co2 b. place oxygen in the lungs c. place oxygen in the blood d. deliver oxygen to every blood cell
Answers: 3
Biology, 22.06.2019 19:20
3. in the fruit fly, recessive mutation brown, b, causes brown color of the eye and absence of red pigment. recessive mutation p of another independent gene causes purple color of the eye and absence of brown pigment. the cross of a brown-eyed female and purple-eyed male produced wild type eyes. what will be the colors and their ratio in f2?
Answers: 2
Biology, 22.06.2019 20:10
True or false 5. carrier proteins have the ability to to change shape and physicially move molecules across the cell membrane. 6. in a facilitated diffusion, the concentration of the molecules to be moved across the cell membrane is higher inside the the cell.
Answers: 1
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