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2 years ago

5

The food web illustrated here exists in Yellowstone national park. If red foxes were to go extinct, what would be the two most l

ikely effects on the ecosystem?

1 answer:

ozzi2 years ago

3 0

A) Increased grey wolf population.

and

B) Increased biodiversity.

I hope this helps you. ☺

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Which of the following best summarizes how hormone levels are controlled?

anastassius [24]

Answer:

Option A, Hormones are controlled by a feedback loop; information about a system is sent back to the controller of the system to improve its function.

Explanation:

Negative feedback loop controls the hormone production and release. This is done by eliciting the release of substances till a certain level after which the stop signal is activated thereby preventing further release. By this method, concentration of hormones in blood is maintained within the narrow range.

For example – Thyroid hormones is released when the anterior pituitary signals the thyroid. This continues till the hormones in the blood reach the threshold level. Once the threshold level is reached, hypothalamus receives a feedback and then signals anterior pituitary to inhibit further signaling to the thyroid

Hence, option A is correct

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Review Map D. Predict future weather for New Orleans, LA. What weather might occur there? What is the cause of this weather? Pre

Galina-37 [17]

Answer:

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Even though plants cells photosynthesize, they still use their mitochondria for oxidation of pyruvate. This will occur in _____.

lidiya [134]

Answer:

All cells all the time.

Explanation:

Photosynthesis is the process of the formation of organic nutrients, glucose in the presence of sunlight by fixing CO2. Cellular respiration is the oxidation of nutrients. The process forms ATP which in turn serve as energy currency for living cells.

Plant cells perform cellular respiration to obtain the energy stored in the chemical bonds of glucose. The energy obtained by cellular respiration is used to perform the vital functions by cells. Therefore, irrespective of photosynthesis, cellular respiration occurs in all the cells of the plants all the time to fulfill the energy requirement for growth and development.

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2 years ago

Carotenoids are often found in foods that are considered to have antioxidant properties in human nutrition. What related functio

Alexandra [31]

Answer:

The function of carotenoids in plant is the dissipation of excess light energy.

Explanation:

Carotenoids are a group of chemicals that are found in food, the chemicals possess antioxidant properties, which help the cell to get rid of radical species. Carotenoids are also presents in plants. In plants, carotenoids help the plants to absorb energy from sunlight to carry out photosynthesis. They also protect chlorophyll in plants from been damaged by the sun.

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Leviafan [203]

Ballistic stretching is your answer. Have a great day.

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