30 POINTS please help!!!

1 answer:

5 0

I do not want to write a paragraph for you to plagiarize, but i will say that solar energy is more efficient and saves you money in the long run. Please mark brainliest!

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The general function of the cardiovascular system is to transport blood throughout the body to allow the exchange of substances

taurus [48]

Explanation:

The cardiovascular system is vital for life. During the day and during the night, minute by minute, our cells need nutrients and oxygen.

Thanks to a complex and complete system of “pipes”, the heart, as if it were a double pump, is able to propel, through the arteries, the oxygenated blood and the nutrients necessary to give life to all the cells of the body, and in less than a minute.

The blood vessel network, in the form of eight, performs the following functions:

the rapid transport of blood with oxygen and nutrients to human body tissues and organs, as well as the collection of metabolic wastes. It also carries vital substances for body homeostasis.

Hormonal control: it takes hormones to the target organs and secretes its own hormones.

Temperature regulation: controls the distribution of heat between the center of the body and the skin.

Reproduction: helps an erection to occur.

the defense against pathogens: it carries immune cells and antibodies.

the expulsion of substances and salts through the filtrate of the kidney maintaining the pH of the blood and the balance of sodium (salt) and potassium, essential for life.

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3 years ago

Where do the light-independent reactions of photosynthesis take place? a. Stroma c. Mitochondria b. Thylakoid membrane d. Cell w

Brums [2.3K]

They take place in the stroma.

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3 years ago

What describes a carrier protein in cell surface membrane?

Margarita [4]

Explanation:

Carrier proteins are proteins that carry substances from one side of a biological membrane to the other.

8 0

2 years ago

Describe the type of plants that serve as pioneer species, intermediate species, and climax community species in secondary succe

MissTica

In secondary succession, the pioneer species are plants that are adapted to exploit disturbances rather than bare rock. They typically include plants such as grasses, birch trees, and fireweed. Organic matter from the pioneer species improves the soil so other trees and plants can move into the area.

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3 years ago

Theodor W. Engelmann illuminated a filament of algae with light that passed through a prism, thus exposing different segments of

WARRIOR [948]

Answer:

The correct answer is C and Engelmann conducted this experiment to prove relationship between algae and the rate of photosynthesis.

Explanation: First we must talk about 3 facts:

1) Prism scatters the white light into different wavelengths.

2) Photosynthesis, 6 carbon dioxide and 6 water molecules are consumed and 6 oxygen and 1 sugar molecule is synthesized using light energy.

6CO2 + 6H2O → C6H12O6 + 6O2

3) Aerobic bacteria breaks down sugar while using oxygen and produces water and carbon dioxide in simplified terms.

So with this experimental setup a researcher can understand the rate of the photosynthesis by increased accumulation of aerobic bacteria near algae in certain wavelengths since they uses oxygen and tend to move close to the oxygen source (<u>see figure</u>). In this experiment there are no ways to measure heat (B), there is no known relation between wavelength of light and aerobic respiration since it can happen even in the dark (A) and finally there are no ways to measure carbon dioxide (D).

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3 years ago