Question

Define the following terms and give two examples in each case . 1.autotrophs 2. Consumers 3.food chain 3.symbiosis 4.parasitism 5.parasitism 6.predation.

Answer 1

Answer:

A food web (or food cycle) is the natural interconnection of food chains and a graphical representation (usually an image) of what-eats -what ...

Explanation:

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Answer 2

Answer:

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1.Autotrophs

=An organism that manufactures its own food from inorganic substances, such as carbon dioxide and ammonia. Most autotrophs, such as green plants, certain algae, and photosynthetic bacteria, use light for energy.

EXAMPLE: Algae, along with plants and some bacteria and fungi, are autotrophs.

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2. consumers

= a person or thing that consumes. ... a person or organization that uses a commodity or service. Ecology. an organism, usually an animal, that feeds on plants or other animals.

EXAMPLE: Dear, bear etc

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3. symbiosis

= a relationship between two different living things living close to one another and depending on each other benefiting from each other in particular ways

EXAMPLE : The relationship between cattle egrets and cattle

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4. parasitism

= the practice of living as a parasite on or with another animal or organism.

EXAMPLE : Fleas or ticks that live on dogs and cats are parasites.

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5. paratisim

= the practice of living as a parasite on or with another animal or organism.

EXAMPLE : Fleas or ticks that live on dogs and cats are parasites.

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6. predation

= Predation is a biological interaction where one organism, the predator, kills and eats another organism, its prey. It is one of a family of common feeding behaviours that includes parasitism and micropredation (which usually do not kill the host) and parasitoidism (which always does, eventually).

EXAMPLE : A pride of lions attacking a larger animal, such as an elephant or wildebeest

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Explanation:

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