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Viefleur [7K]
3 years ago
11

11. Both insects and roundworms exhibit ______, whereas sponges, snails, and leeches do not.

Biology
1 answer:
RoseWind [281]3 years ago
6 0
The ability to reproduce i think is the answer
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On a backpacking trip, Kenny hikes all day at a steady pace, covering 30 kilometers and burning 4000 Calories. At the school tra
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Answer:

A. If the aerobic pathway—cellular respiration—cannot meet the energy demand, then the anaerobic pathway—lactic acid fermentation—starts up, resulting in lactic acid buildup and "oxygen debt."

D. The rate of energy demand determines how the muscles will obtain energy, either from cellular respiration or from lactic acid fermentation if not enough oxygen is present.

Explanation:

It is important to consider that Kenny hikes all day but at a steady pace, whereas Janelle runs very fast. So Kenny's case, the supply of oxygen is sufficient to maintain aerobic respiration within the muscle cells. During this process only CO2, Water, and ATP are produced; therefore, there is no oxygen debt. We should keep in mind that the body shifts to anaerobic metabolism only when the supply of oxygen is limited.

In Janelle's case, running fast would need energy at higher rates and the supply of oxygen would not be sufficient to generate a high amount of ATPs. Therefore, to compensate for this deficiency, cells will start fermenting glucose to lactic acid and produce ATP and maintain energy demands. This lactic acid causes fatigue and this is why Janelle has aching and breathing hard. Breathing hard is also automatic reflux to inhale more oxygen and meet oxygen demands but even breathing hard would not be able to make it and the body will shift to anaerobic respiration automatically.

5 0
3 years ago
How does incoming solar radiation change with latitude?
victus00 [196]

Answer:

solar radiation is the heat energy received from the sun into the solar system that also reaches the earth.

Polar regions receive the least amount of solar radiation, therefore, they have colder climates.

The equator receives the most amount of solar radiation, therefore, they have warmer to hot climates.

Explanation:

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How do jellyfish reproduce?
Simora [160]
It reproduces both sexually and asexually.. sexually both male and female release sperms and eggs in water ,after fertilization it forms planula which then asexually reproduce either by budding or strobilization..
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How can human beings work to combat and reduce the many negative impacts to the planet?<br> I
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  • Use more renewable resources (solar, wind, hydroelectric, etc) and fewer fossil fuels (coal, petroleum, and natural gas), since fossil fuels produce a lot of carbon dioxide
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  • Decrease deforestation (trees absorb carbon dioxide and release oxygen)
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Which stars spend the least time in the main sequence stage?
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Answer:

Type B stars

Explanation:

type B stars are the hottest, so they would burn up more quickly, spending the least amount of time on the main sequence.

6 0
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