Distribution Of Organisms Flashcards

0
Q

What’s the distribution of an organism:

A

Where an organism is found

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1
Q

What is a habitat:

A

The place where an organism lives

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2
Q

To study the distribution of an organism:

A

Measure how common an organism is in two sample areas and compare them.

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3
Q

Pooters:

A

For collecting ground insects

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4
Q

What do pooters look like:

A

Jars that have a rubber bungs sealing the top, and two tubes stuck through the bung.

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5
Q

Pitfall traps:

A

Another way to investigate ground insects

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6
Q

What do pitfall traps look like:

A

Steep-sided containers that are sunk in a hole in the ground.

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7
Q

Sweep nets:

A

Used for collecting animals from long grass

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8
Q

What does a sweep net look like:

A

A net lined with strong cloth for collecting insects from long grass

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9
Q

Pond nets:

A

Used for collecting animals from ponds

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10
Q

How do you use a pond net:

A

First sample area - sweep net along bottom of the pond then turn net out into a white tray to count organisms.

Second sample area - do the same and compare

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11
Q

How do you use sweep nets:

A

First sample area - sweep net through grass and count the number of insects

Second sample area - do the same

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12
Q

How to use pitfall traps:

A

Leave trap overnight. Insects that come along fall into the container and can’t get out, so count them.

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13
Q

Use a Quadrat to:

A

Study the distribution of small organisms

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14
Q

What is a quadrat:

A

A square frame enclosing a known area to compare how common an organism is in two sample areas

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