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| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| competition (kŏm'pĭ-tĭsh'ən) Pronunciation Key
The simultaneous demand by two or more organisms for limited environmental resources, such as nutrients, living space, or light. |