Answer:
B) The first shell only holds 2 electrons so the 3rd electron had to go in the second shell.
Explanation:
Electrons fill up from smallest to largest, the first electron shell only holds 2 electrons, so the remaining electron had to go to the second shell.
The scientific term for the formation of a new species is speciation. So, the correct answer would be letter d. :)
Two features that Eukaryotic cells have and prokaryotic cells lack:
1) Nucleus
2) Nuclear bound organelles like chloroplasts, Mitochondria, Golgi appratus etc
Hope this helps!
Answer:
If they didn't differentiate then the stem cells would stay the same type and if it somehow kept multiplying then they would just be a massive blob with no actual form or way of functioning.
