When a sodium atom reacts with a chlorine atom, the sodium (gains/loses) one electron to form a sodium ion with a change of (how many?) . Na + Cl -> Na+ + Cl-
(Reaction of sodium and chlorine)

Pls ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?

Which of the following words best matches this definition: the process in which the best adapted organisms survive and pass on their traits, while those that are not well adapted do not survive to pass on their traits. question 3 options: acquired selection natural selection artificial selection organic selection