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ZanzabumX [31]
3 years ago
11

You water three sunflower plant with salt water. Each plant receives a different concentration of salt solutions . A fourth rece

ives pure water. After a two -week period, the height is measured . What is the independent, dependent and controlled variable.
Biology
1 answer:
Lorico [155]3 years ago
6 0

Answer:

Independent - Water/Type of water (salt and pure)

Dependent - Height of plant

Controlled - Amount of water

Explanation:

Independent is what the experimenter manipulates (in this case being the type of water.)

Dependent is what the experimenter measures and is a result of the independent (in this case being the height of plant)

Controlled is what you are trying to keep the same (in this case the amount of water you give each plant.)

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When two or more species evolution is influenced by each other and are interdependent than this type of evolution is known as co-evolution. There are several examples of co-evolution like predator-prey co-evolution, flowering plants and pollinators evolution, etc.

The predator-prey evolution is famous in which there is selective pressure on prey to evolve to avoid getting hunted and the same pressure is on predator to evolve with prey so that they can get their food and survive. Therefore the correct answer is co-evolution.

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