trophic - 搜索 词典 4 A photosynthetic green plant or chemosynthetic bacterium, constituting the first trophic level in a food chain; an autotrophic organism
Trophic level - Wikipedia The trophic level of an organism is the number of steps it is from the start of the chain A food web starts at trophic level 1 with primary producers such as plants, can move to herbivores at level 2, carnivores at level 3 or higher, and typically finish with apex predators at level 4 or 5
Trophic level | Definition, Examples, Facts | Britannica trophic level, step in a nutritive series, or food chain, of an ecosystem The organisms of a chain are classified into these levels on the basis of their feeding behaviour
Trophic Level - Definition, Examples, and Diagram The trophic levels refer to the position of a group of organisms in the food chain, food web, or ecological pyramid based on their feeding pattern They are shown in a series or a succession to represent energy flow from one tropic level to another