Food Chain NB14
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What is a Browser?
An herbivore that eats plants other than grasses like bush leaves, wildflowers, tree leaves, and stems
What is Carrion?
Carrion is the bodies of dead animals, usually in the process of decay; not "fresh" meat.
When two or more organisms need the same resource
. May be with animals of it's own kind (species) or with other species.
Example: Owls and Barn cats both eat mice. They are in competition for each other for the same food source.
- Examples of resources they might compete for:
What is Compost?
Decomposing plant material.
Describe a Consumer?
A consumer uses the producer (a green plant) for its food; it may in turn be used as food by a secondary consumer.
- All animals are consumers.
- Almost all plants are producers.
- Examples of primary consumers (herbivores):
- Examples of secondary consumers (carnivores):
- mountain lions
- feral cats
What is a decomposer?
A plant or animal
(bacteria or fungi) which feed on dead material
and converts it into inorganic materials (water, carbon dioxide, soil).
What is the food chain?
- The transfer of food energy from one organism to another.
Example: a green leaf plant-->a leaf eating insect (caterpillar)-->insect eating bird
What is the food web?
- an interlocking pattern of food chains that exists in an ecosystem.
What is a fungus?
A living organism that lack chlorophyll; considered a decomposer.
To feed on growing grass
- Examples of grazers:
What is an Omnivore?
An animal that eats both plants and animals.
What is a Parasite:
An organism that benefits from another organism, doing harm to the organism from which it derives benefit.
The best example is a flea on a dog. It lives on dog, get food from biting the dog and causes the dog harm by causing it itching, rashes and hair loss.
What is a Predator?
an animal who kills and eats other animals.
What is Prey?
Animals that are killed and eaten by other animals.
What are Producers?
Green plants that make food (e.g. sugar) out of simple organic substances (carbon dioxide, sunlight, water)
What is a Raptor?
Birds that are predatory
, preying upon other animals.
What is a Saprophyte?
an organism that gets its food by absorbing the products of decomposition (decaing organic mater).
What is a Scavenger?
An organism that habitually eats
carrion (dead animals
- Coyotes and magpies are part-time scavengers;
- a vulture is a full-time
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