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Jlenok [28]
2 years ago
8

Lucy is traveling to the top of Pike's Peak. The elevation is 14,000 feet. At the base, her respiration rate is 12 breaths per m

inute. At the top of Pike's Peak, her respiration rate increases to 20 breaths per minute. Why does Lucy's respiration rate most likely increase at the higher elevation
Biology
1 answer:
HACTEHA [7]2 years ago
3 0

Answer:

Lucy's respiration rate increases because of the decrease in the atmospheric pressure and the partial pressure of O₂.

Explanation:

As Lucy ascends, the atmospheric pressure decreases. The decrease in this pressure decreases the partial pressure of inspired O₂, which causes less oxygen saturation in the blood. As oxygen is essential for the vital functions of the body, the respiratory rate increases to valance the loss of oxygen. In other words, the oxygen that the body had in one inspiration, now it has to obtain with multiple breaths. The same happens with the CO₂ that Lucy expels from her body.

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In an ecosystem, the herring population was reduced by fishermen. As a result, the tuna, which feed on the herring, disappeared.
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Answer:

                         -------> Herring---------> Tuna

                      /                      

Sand eels ⇒/

                     \

                        \

                           ---------> Cod -----------> Seabirds

Explanation:

Food Web is the complex interplay of  interconnection between food chains and a graphical representation of what-eats-what in an ecological community.

From the question, the herring population was reduced by fishermen and as a result the tuna which feed on the herring disappeared. This implies that the tuna depends solely on the herrings for feeding. without they wont survive.

As we proceed, we were being told that the sand eels which are eaten by herring, increased in number.

If we pay close attention, we will understand that due to the reduction of the herrings  made the sand eels to increased in numbers. The point is that herrings also feed on the sand eels, but as the herrings is being reduced by some anthropogenic factors caused by the fishermen the sand eels increased.

Also, the fishermen overharvested the sand eel population and the aftermath effect shows reduction in Cod and Seabirds. This implies that Cod feeds on sand eels and Seabirds feeds on Cod, but as the food chain is being disrupted by overharvesting of the sand eels, the effect was shown by a decreased in the Cod and Seabirds.

Therefore, the best diagrammatic representation that could fit best for this explanation is:

                        -------> Herring---------> Tuna

                      /                      

Sand eels ⇒/

                     \

                        \

                           ---------> Cod -----------> Seabirds

5 0
2 years ago
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