Review: The development of organs and tissues from a zygote includes

1) mitosis and differentiation
2) mitosis and gamete production
3) meiosis and gamete production
4) meiosis and fertilization

The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?

Which locations on the map are low-pressure areas? a b c d e

What is a limitation of using a chemical formula, such as c6h1206, to represent a compound? the chemical formula does not show the types of elements that make up the compound. the chemical formula does not show how the atoms are connected to one another the chemical formula does not show the number of atoms of each element in a molecule. the chemical formula does not show the chemical symbols of the elements in the compound