Answer:
true, the alternative would be postzygotic barriers.
Explanation:
A water molecule, because of its shape, is a polar molecule. That is, it has one side that is positively charged and one side that is negatively charged. The molecule is made up of two hydrogen atoms and one oxygen atom. The bonds between the atoms are called covalent bonds, because the atoms share electrons.
Contour intervals between contour lines
Answer:
B
Explanation:
Commensalism is a type of symbiotic relationship in which one species benefits, while the other species is neither harmed nor helped.
