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Levels Review
| Term | Definition |
|---|---|
| Atom (World) | A mercury atom. |
| Atom (Me) | I inhale oxygen atoms. |
| Molecule (World) | A molecule of salt. |
| Molecule (Me) | I drink molecules of water. |
| Macromolecule (World) | A macromolecule of tree DNA. |
| Macromolecule (Me) | I eat macromolecules of glucose. |
| Organelles (World) | A plant cell wall. |
| Organelles (Me) | My mitochondria help me obtain energy from molecules of glucose. |
| Cell (World) | A grass cell. |
| Cell (Me) | My brain cells help me control the rest of my body. |
| Prokaryotes (World) | Archaebacteria. |
| Prokaryotes (Me) | There are bacteria everywhere we go, even some inside of us. |
| Eukaryotes (World) | A horse is an example of this. |
| Eukaryotes (Me) | As eukaryotes, we humans have membrane-bound organelles and nuclei. |
| Tissues (World) | Tissues make up the organs of multicellular organisms. |
| Tissues (Me) | My muscle tissue helps my body move on its own. |
| Organs (World) | A tree stem is an organ that gives a tree its base. |
| Organs (Me) | My brain is an organ that helps me control my body. |
| Organ System (World) | The respiratory system. |
| Organ System (Me) | My respiratory system helps deliver oxygen to my cells. |
| Organisms (World) | A deer is an example. |
| Organisms (Me) | I am an organism, or an individual living entity. |
| Population (World) | A population of bees live in a beehive. |
| Population (Me) | I live in a population of humans at my home. |
| Community (World) | A community of trees and squirrels live near each other. |
| Community (Me) | I live with other people as well as with plants, small animals, bacteria, and many other organisms all around. |
| Ecosystem (World) | A forest ecosystem includes plants, animals, water, and many other organisms and abiotic factors. |
| Ecosystem (Me) | The ecosystem we live in provides everything we need to survive, including food, water, oxygen, etc. |
| Biosphere (World) | The biosphere includes all the ecosystems in the world. |
| Biosphere (Me) | The biosphere that we live in includes the entire earth. |