A student wants to learn how plants and animals interact with one another in an ocean habitat. Which of Earth's spheres should the student study the most? the geosphere
the atmosphere
the hydrosphere
the biosphere

the dark variety, as they are not visible on the dark tree barks

explanation:

more words for this could be abiotic and biotic

abiotic: living organisms within an ecosystem

biotic: non-living organisms within an ecosystem

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.