Interactions Flashcards

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1
Q

What is a food web

A

It is a system of interlocking food chains

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2
Q

Define: omnivore

A

Eats plants and meat

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3
Q

Define: Parasite

A

It is an organism that lives on or in another (host) organism

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4
Q

Define: predator

A

An animal that hunts and eats another animal

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5
Q

Define: Herbivore

A

An animal that eats plants only

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6
Q

Define: carnivore

A

An animal that eats meat only

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7
Q

Define: decomposer

A

It is an organism that decomposes organic material

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8
Q

Define: consumer

A

A food chain ends with a consumer

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9
Q

What is an invasive species

A

It is an organism that causes ecological harm to an environment that is not of its own

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10
Q

What is bioaccumulation

A

It is the gradual build up of chemicals of substances (that have been passed down the food chain) in an organisms body

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11
Q

What is a chemical pest control(pesticides)

A

Chemical pest control AKA pesticides are toxic substances that help to kill off pests

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12
Q

What is a biological pest control

A

Biological pest control is when farmers use other organisms to kill pests

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13
Q

Give 3 advantages of chemical pest control

A

Cheap, easy, consistent/reliable

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14
Q

Give 3 disadvantages of chemical pest control

A

Reduction of food for animals, can cause diseases, harms the environment

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15
Q

Give 3 advantages of biological pest control

A

Doesn’t harm the environment, no chemicals used, less destruction to the food chain

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16
Q

Give 3 disadvantages of biological pest control

A

More inconsistent/unreliable, costs more to get the animals

17
Q

What is sampling

A

Sampling is where scientists use samples to estimate what the whole thing will be.

18
Q

What do scientists use sampling for?

A

The abundance of organisms, the distribution of organisms

19
Q

What does it mean if your results are reproducible

A

They can be repeated by another person who does your experiment(with a different method) and will get the same result.

20
Q

What does it mean if your results are repeatable

A

They can be repeated by another person who does your experiment(with the same method) and will get the same result.