Investigating seed dispersal mechanisms Flashcards

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1
Q

What are the steps for seed dispersal by dropping fruit?

A

1) Get yourself some fruit containing seeds . you can compare ones from different dispersal mechanisms.
2)Decide on a fixed height to drop the fruit from
3)Drop the fruit one at a time
4) Using tape measure, measure and record how far along the seeds have been dispersed
5) Then find the average distance each type travels

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2
Q

How many times do you do this?

A

atleast 3 times

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3
Q

What do you need to keep the same to keep it a fair test

A

the person dropping the fruit
the height the fruit are dropped from
the place you’re doing the experiment

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4
Q

What can you use to investigate the ‘wind factor’

A

a fan

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5
Q

What are the steps for investigating the wind factor

A

1)Set up the an at a fixed distance from the person dropping the fruit
2) Switch the fan on - needs to be set at the same speed for every fruit you drop
3) Drop the fruit as before and measure how far along the seeds travel

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