1. Which of the following is a characteristic of cell communication which evolutionary scientists believe suggests cell signaling evolved early in the history of life? (2 points) All changes saved
All organisms form cell Junctions to allow transfer of signaling molecules.
All organisms produce hormones to carry out signaling processes.
Plants, animals, and bacteria share very similar signaling processes.
O Plants, animals, and bacteria use long-distance signaling molecules.

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%

she will be charged $6

step-by-step explanation:

48 dollars divided by 200 beads equals .24 dollars a bead

.24 multiplied by 25 more beads equals 6 dollars as the total cost

answer; (a) medicalized;

hi! do you know the answer for this flvs question?

what do anaerobic organisms have in common with photosynthetic organisms?

they both appeared on earth at about the same time.

they both can only exist as single-celled organisms.

they both need an energy source in order to survive.

they both produce carbon dioxide as a waste product.

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