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  2. Consumer (food chain) - Wikipedia

    en.wikipedia.org/wiki/Consumer_(food_chain)

    Primary consumers are herbivores, feeding on plants or algae. Caterpillars, insects, grasshoppers, termites and hummingbirds are all examples of primary consumers because they only eat autotrophs (plants). There are certain primary consumers that are called specialists because they only eat one type of producers.

  3. Herbivore - Wikipedia

    en.wikipedia.org/wiki/Herbivore

    Herbivores form an important link in the food chain because they consume plants to digest the carbohydrates photosynthetically produced by a plant. Carnivores in turn consume herbivores for the same reason, while omnivores can obtain their nutrients from either plants or animals. Due to a herbivore's ability to survive solely on tough and ...

  4. List of herbivorous animals - Wikipedia

    en.wikipedia.org/wiki/List_of_herbivorous_animals

    Herbivory is of extreme ecological importance and prevalence among insects.Perhaps one third (or 500,000) of all described species are herbivores. [4] Herbivorous insects are by far the most important animal pollinators, and constitute significant prey items for predatory animals, as well as acting as major parasites and predators of plants; parasitic species often induce the formation of galls.

  5. Eating - Wikipedia

    en.wikipedia.org/wiki/Eating

    Some physiological carnivores consume plant matter and some physiological herbivores consume meat. From a behavioural aspect, this would make them omnivores, but from the physiological standpoint, this may be due to zoopharmacognosy. Physiologically, animals must be able to obtain both energy and nutrients from plant and animal materials to be ...

  6. Green world hypothesis - Wikipedia

    en.wikipedia.org/wiki/Green_world_hypothesis

    In addition to plant defense mechanisms, predators assist in the regulation of these herbivore population numbers, limiting the amount of vegetation that is consumed. Several ecosystems are characterized by a trophic cascade system, in which all levels interact and impact the persistence of one another (Siliman and Angelini, 2012). [ 4 ]

  7. Generalist and specialist species - Wikipedia

    en.wikipedia.org/wiki/Generalist_and_specialist...

    Generalists such as raccoons can sometimes adapt to urban environments and other areas modified by humans, becoming examples of urban wildlife. Omnivores are usually generalists. Herbivores are often specialists, but those that eat a variety of plants may be considered generalists.

  8. Food web - Wikipedia

    en.wikipedia.org/wiki/Food_web

    For example, predators eating herbivores indirectly influence the control and regulation of primary production in plants. Although the predators do not eat the plants directly, they regulate the population of herbivores that are directly linked to plant trophism. The net effect of direct and indirect relations is called trophic cascades.

  9. Plant–animal interaction - Wikipedia

    en.wikipedia.org/wiki/Plant–animal_interaction

    There are carnivorous plants as well as herbivores and carnivores that consume plants and animals, respectively. Due to the extremely low nutritional content of the soil in which they grow and extra nitrogen is needed by the plants, therefore carnivorous plants eat insects. By photosynthesis, these plants continue to receive energy from the sun ...