| A | B |
|---|
| cell | smallest functioning unit of an organisim |
| specialization | specific functions |
| unicellular | one cell |
| multicellular | many cells |
| neuron | nerve cell |
| red blood cells | carry oxygen throughout the body |
| xylem | transport water and minerals in plants |
| phloem | transport food in form of sugars |
| tissues | groups of cells working together for a specific function |
| epithelial | skin |
| connective tissue | supports, strengthens, or joins cells and tissues |
| nervous tissue | senses, conducts, and transmits information |
| stem cells | unspecialized cells |
| embryonic stem cells | may become any type of cell |
| adult stem cells | can become a certain type of cell |
| hormones | communication chemicals that travel trhough the bloold |
| examples of hormones | insulin, estrogen |
| adaptation | a trait that helps an organism survive |
| contractile vacuole | collects excess water from the cytoplasm to remove from the cell |
| cilia | short, hair-like projections for locomotion |
| flagella | long, whip-like structures used for locomotion |
| pseudopods | "false feet" the amoeba use for locomotion and feeding |
| eyespots | light-sensitive structure that the euglena uses for finding light |
| chemotaxis | locomotion due to chemicals |
| phototaxis | locomotion dependent upon sunlight |
