| life science(expression, biology, science, life) |
| science of life(expression, biology, science, life) |
| species(noun, classification, variety, category, grouping) |
| swimming(adjective, feature, characteristic, detail) |
| active(adjective, feature, characteristic, trait, life) |
| atmosphere(noun, territory, environment, condition, habitat) |
| class(noun, classification, variety, category, grouping) |
| condition(noun, territory, environment, habitat) |
| division(noun, classification, variety, category, grouping) |
| group(noun, classification, variety, category, grouping) |
| habitat(noun, territory, environment, condition) |
| kind(noun, classification, variety, category, grouping) |
| rank(noun, classification, variety, category, grouping) |
| water-borne(adjective, feature, characteristic, detail) |
| alive(adjective, feature, characteristic, trait, life) |
| being(adjective, feature, characteristic, trait, life) |
| biological science(expression, biology, science, life) |
| breathing(adjective, feature, characteristic, trait, life) |
| categorization(noun, classification, variety, category, grouping) |
| category(noun, classification, variety, grouping) |