Answer:
lvl 2 - Molecules consist of atoms
lvl 3 - Cells consist of molecules
lvl 4 - Organisms consist of cells
lvl 5 - Populations consist of organisms
lvl 6 - Communities consist of populations
lvl 7 - Ecosystems consist of communities interacting with their environment
lvl 8 - The biosphere consists of all ecosystems on Earth
Explanation:
It would decrease, because the producers are the source of food for the herbivores
The cell part that has the same function of the skeletal system is the cell wall
Your answer is C: A rapid increase in the number of related species
The Mohs scale measures D, a mineral's hardness.