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desing an experiment that students can perform to verify the prediction that coffee will increase heart rate in daphnia

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15y ago

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What might spark a conversion from sexual to asexual reproduction in Daphnia?

An increase in food availability might spark a conversion from sexual to asexual reproduction in Daphnia.


Why does the Daphnia's heart rate increase when placed in nicotine solution?

beacues its a stimulant.


Do daphnia eat hydras?

No, Daphnia can not eat Hydra, Because the Hydra has tentacles to capture the Daphnia and eat it. The Daphnia therefore can not get free which means the Hydra can eat the Daphnia. The Hydra therefore has more force and can eat the Daphnia. Your answer is NO.


How do daphnia breathe?

daphnia exretes nails and sweat


What is the scientific name for daphnia?

The scientific name for daphnia is Daphnia pulex. Daphnia are small, planktonic crustaceans commonly used in scientific research as a model organism due to their transparent bodies and ease of cultivation in the laboratory.


Design an experiment that demonstrates the effects of another environmental factor on Daphnia?

To investigate the effects of temperature on Daphnia, you can set up multiple tanks with Daphnia under different temperature conditions (e.g., room temperature, heated, and cooled). Monitor their heart rates or movement over time using a microscope with a camera. Record and compare the responses of Daphnia at different temperature levels to observe any changes in their behavior or physiology.


When was Daphnia nivalis created?

Daphnia nivalis was created in 1977.


When was Daphnia occidentalis created?

Daphnia occidentalis was created in 1986.


When was Daphnia lumholtzi created?

Daphnia lumholtzi was created in 1885.


When was Daphnia pulex created?

Daphnia pulex was created in 1758.


When was Daphnia barbata created?

Daphnia barbata was created in 1898.


When was Daphnia coronata created?

Daphnia coronata was created in 1916.