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adoni [48]
2 years ago
7

In fish, what is the advantage of countercurrent exchange in the gills?.

Biology
1 answer:
Vitek1552 [10]2 years ago
6 0

It removes a high percentage of oxygen from water. (More than 80% of oxygen is removed from the water as a result of countercurrent exchange.)

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Answer:

social facilitation

Explanation:

The concept of social facilitation was first proposed by Norman Triplett. After observing a cycling event, in which he noticed that cyclist performed better when they have others around competing with them, rather than cycling alone just against time. This led him to duct an experiment where he gave some children strings to wound fishing reel. He observed that, children wound the fishing reel faster in the presence of other children performing similar task, when compared to when perform such task alone.

This concept discovered by Norman Triplett, best illustrates the concept of social facilitation, which posits that, individuals tend to perform better in the mere presence of others or when they perform a task with others, than when performing the task alone.

4 0
3 years ago
What travels through a food chain or web?
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Energy travels through a food chain/web. When an organism eats another organism, the energy from the food is passed to the eater. For example, we humans eat food to give ourselves enough calories (energy) to function properly.
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3 years ago
Sara is learning about photosynthesis and cellular respiration in her science class. Which statement can Sara write that best ex
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The most suitable answer is C.

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In which division phase is the nucleolus formed and spindle fibers broken down?
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3 0
2 years ago
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