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Biology: Lab report Germination

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  • Essay length: 1944 words
  • Submitted: 26/01/2011
  • Marked by teacher: (?) Jon Borrell
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International Baccalaureate Biology

Teacher essay summary

4 star(s)

A sound effort into the variables affecting seed germination. In an investigation it is normal to choose one independent variable and focus on this. However, both experiments were examined separately quite well.

The introduction would have benefited from giving some more detail into the science behind seed germination. For example how the seeds have evolved to not germinate when it is cold as this is the winter months when there is less sunlight to photosynthesise from.

The graphs showed the trends in the data very well and linked in well with the analysis and conclusion.

Marked by teacher Jon Borrell 22/05/2013

The first 200 words of this essay...

Biology Lab Report

Seed Germination

By: John Abarshi

(Figure One: Cress Seed Germination)

Introduction

This term, we embarked upon our first biology experiment. Recently, in class, we have been learning about plant reproduction. Amongst the vast amount of information pertaining to the topic of plant reproduction is germination. Germination is the process of sprouting, whereby seeds or spores sprout or emerge and begin to grow. [1] [2] When a seed is germinating, certain factors affect its germination. It was our task to come up with two variables that could influence seed germination and to investigate this. After much contemplation and consideration, I managed to pinprick what factors I would like to investigate. I will thus investigate if altering the light and temperature of the cress seeds' environment will affect the germination.

Research Question

How do light and temperature affect the germination of a cress seed?

Hypothesis

If cress seeds are placed in a dark environment, then their germination will be negatively affected compared to cress seeds grown in a normal light environment because seeds

If cress seeds are placed in an environment with excessive exposure to light,

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MbT essay summary

A sound effort into the variables affecting seed germination. In an investigation it is normal to choose one independent variable and focus on this. However, both experiments were examined separately quite well.

The introduction would have benefited from giving some more detail into the science behind seed germination. For example how the seeds have evolved to not germinate when it is cold as this is the winter months when there is less sunlight to photosynthesise from.

The graphs showed the trends in the data very well and linked in well with the analysis and conclusion.

Marked by teacher Jon Borrell 22/05/2013

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