describe producer/consumer, predator/prey, and parasite/host relationships Example For Students

describe producer/consumer, predator/prey, and parasite/host relationships Term Definition Producer an organism that can make its own food by using energy from its surroundings Consumer an organism that eats other organisms or organic matter Predator are wild animals that hunt, or prey on, other animals. All animals need food to live. Prey an organism that is killed and eaten by another organism Parasite an organism that lives on or in an organism of another species, known as the host, from the body of which it obtains nutriment. Host is an organism that harbors a parasite, or a mutual or commensal symbiont, typically providing nourishment and shelter. Food web a diagram that shows the feeding relationships between organisms in an ecosystem Marine ecosystem complex of living organisms in the ocean environment. Freshwater ecosystem consists of lakes, ponds, rivers and streams Terrestrial ecosystem is an ecosystem found only on landforms. Carnivore Animals that subsist on a diet consisting only of meat Herbivore any organism that eats only plants. Photosynthetic The process in green plants and certain other organisms by which carbohydrates are synthesized from carbon dioxide and a source of hydrogen (usually water), using light as an energy source. Tropic level is the position that an organism occupies in a food chain what it eats, and what eats it. Omnivore is an animal that eats both plants and animals for their main food