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astra-53 [7]
2 years ago
15

Design a laboratory-based experiment to test the hypothesis that algae need light to grow.

Biology
1 answer:
Shalnov [3]2 years ago
8 0

The same algae is subjected to conditions in which one is exposed to light and another is not exposed to light while the nutrients in the both systems are kept the same.

<h3>What is algae growth?</h3>

The growth of algae is the process by which the organism increases in size. Now we know that that the algae is photosynthetic hence light must be required for its growth.

In order to verify this, the same algae is subjected to conditions in which one is exposed to light and another is not exposed to light while the nutrients in the both systems are kept the same.

The results of this experiment must confirm that the algae exposed to light grows better than the algae that was not exposed to light.

Learn more about algae:brainly.com/question/4289110

#SPJ1

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A lion has sharp pointed teeth while a buffalo has flat, broad teeth. Why do you think the teeth in these animals differ?
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1. -  Some plants know when the sun will rise. Sunflowers are a good example of exhibiting this behavior called "Circadian Rhythm."
2. -  Plants that have vines search for a surface, preferably a pole but walls are acceptable, to climb and grow on, which is called "Twining." 
3. - Some plants 'curl up' whenever they are touched.
4. - Corn seeds can distinguish between 'up' and 'down,' which is called "Gravitropism."
5. - A plant can distinguish their own roots from another plant's.

Animal Behaviours:

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2. - Body language is a behavior most commonly associated with animals, even though we do it too.
3. - Territorial/'Defensive' behaviors are common, such as marking and hostility when another animal trespasses into their domain.
4. - Certain behaviors are exhibited to attract/court mates, such as birds singing songs or chemicals being thrown off to lure in a partner.
5. - Cooperation is also a very common behavior, as seen in ants.
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