All cells have selectively permeable membranes, which means that they let important molecules inside the cell while leaving other ones outside. Important molecules go inside the cell by the process of diffusion or osmosis.
1. rise of angiosperms 2. rise of chemoautotrophs and photoautrophs 3. rise of multicellularity 4. rise of bryophytes 5. rise of gymnosperms 6. rise of eukaryotes 7. rise of cyanobacteria
I had trouble with this one, I was on a quiz I had. Norman Borlaug developed a drought and disease resistant dwarf wheat which helped the people of Mexico and India during food shortages.
