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marishachu [46]
2 years ago
12

What might be the advantage of a thin leaf blade to the photosynthetic capacity of a leaf?

Biology
1 answer:
andrezito [222]2 years ago
5 0

Answer:

A flat and thin leaf blade is characterized by larger surface area compared to a short and thick leaf. As a result, more photosynthetic units are available, while photosynthetic capacity of a leaf increases.

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Select each correct answer. More than one answer may be correct.
3241004551 [841]

Answer:

b. by increasing the heart rate

c. by increasing the respiratory rate

Explanation:

Increased activity of skeletal muscles would require an increased supply of oxygen to these cells to sustain the muscle contraction. Muscle cells perform aerobic cellular respiration in the presence of oxygen and produce ATP molecules to be used during muscle contraction. Therefore, there is an increase in heart rate to pump sufficient blood to the skeletal muscles which in turn ensures enough supply of oxygen. Also, there will be an increase in the respiration rate to inhale the required oxygen.

8 0
3 years ago
3. How do floods affect the environment? Select all that apply.
Tcecarenko [31]

Floods affect the environment by destroying building, creating areas of more fertile soil and speeding up the weathering of rock.

Answer: Option A,B & C

<u>Explanation:</u>

Floods obviously destroy every building on its way ruining the whole place taking away the lives of people and stock. But the flood also carries many nutrients along it’s way which creates areas of more fertile soil.

Unexpected floods enter into the holes of the rock and during winter it transforms into ice and causes crack in the rock. The flood water gushing fast normally breaks down the corners of the rock hence causing weathering of rock.

4 0
2 years ago
Name one invasive species that lives in the ocean
Harman [31]

Answer:

Asian Carp. Asian carp are fast-growing, aggressive, and adaptable fish that are outcompeting native fish species for food and habitat in much of the mid-section of the United States.

6 0
2 years ago
Read 2 more answers
A marine biologist explains that salmon show overproduction, which allows natural section to work. What is "overproduction"?
Stella [2.4K]
<span>The birth of more offspring than can survive.</span>
6 0
3 years ago
Read 2 more answers
Jon likes hiking. He observes that whenever he hikes up a hill he breathes heavier than when he is on flat ground. Which 2 state
Alekssandra [29.7K]

Answer:

-Sensors in the brain detect a lack of oxygen.

-The muscles in his body need more energy and therefore more oxygen.

Explanation:

-Sensors in the brain detect a lack of oxygen.

-The muscles in his body need more energy and therefore more oxygen.

-The body has too little carbon dioxide to maintain function.

-The body is using carbon dioxide instead of oxygen to make energy.

-Blood pressure has decreased, so less blood is being pumped to the muscles.

<em>The correct answer would be that </em><em>sensors in the brain detect a lack of oxygen</em><em> and t</em><em>he muscles in the body of Jon need more energy and therefore, more oxygen.</em>

At sea level, the atmospheric pressure easily allow oxygen to permeate the cells of the lung and diffuse into the blood. At high altitudes, air pressure is generally lower and permeation/diffusion through the cells of the lung into the blood becomes difficult.

<u>Without adequate oxygen, the body cannot generate energy needed for physical activities of muscles. Consequently, the sensors in the brain detect a lack of oxygen and the body system reacts by breathing heavily to compensate for the oxygen shortage.</u>

6 0
3 years ago
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