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Lemur [1.5K]
4 years ago
10

Free Points...

Biology
2 answers:
Law Incorporation [45]4 years ago
8 0

Answer:

Cyanobacteria are aquatic and photosynthetic, that is, they live in the water, and can manufacture their own food. Because they are bacteria, they are quite small and usually unicellular, though they often grow in colonies large enough to see. They have the distinction of being the oldest known fossils, more than 3.5 billion years old, in fact! It may surprise you then to know that the cyanobacteria are still around; they are one of the largest and most important groups of bacteria on earth.

wlad13 [49]4 years ago
6 0

Answer:

Cyanobacteria are aquatic and photosynthetic, that is, they live in the water, and can manufacture their own food. Because they are bacteria, they are quite small and usually unicellular, though they often grow in colonies large enough to see. They have the distinction of being the oldest known fossils, more than 3.5 billion years old, in fact! It may surprise you then to know that the cyanobacteria are still around; they are one of the largest and most important groups of bacteria on earth.

Explanation:

It looked right

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When a populations growth slows and then stops, following a period of exponential growth this occurs:
Amiraneli [1.4K]

Answer:

Logistic Growth

Explanation:

4 0
4 years ago
Explain how the circulatory system is able to transport the blood under high pressure from the heart to the rest of the body
expeople1 [14]

Transport of blood under high pressure is done through the concerted efforts of the heart and arteries.

<h2>The circulatory system is the network of the heart, arteries, veins, and capillaries responsible for the movement of blood around the body.</h2>

Transporting blood under high pressure can be explained in the following steps:

  1. Contraction of the heart ventricles creates blood under high pressure
  2. High pressured blood is removed from the heart through the arteries. In addition, the arteries are able to contract and expand, thus are elastic
  3. The lumen of the arteries is narrow thus helping in maintaining high pressure

As a result of the above, the high pressure of blood is maintained and transported to the extremities of the body.

To learn more about the circulatory system see: brainly.com/question/3305440?referrer=searchResults

SPJ12

6 0
2 years ago
The interaction between the cryosphere and hydrosphere can have an impact on Earth’s oceans. Which of the following is an exampl
nydimaria [60]

Answer:

f

Explanation:

3 0
3 years ago
Why were the Smith and Cuvier discoveries that similar groups of fossils in distant rock layers could be correlated such a major
tamaranim1 [39]
This was a major breakthrough in geology because it meant that sedimentary strata in diverse parts of a country or area could be correlated as belonging to the same formation which means they were formed at the same time historically so helped to put them in the correct sequence. If these strata contained valuable minerals like coal then it could aid in the search for coal. This helped William 'Strata' Smith in England to create his first geological map in the world of a whole country.
7 0
4 years ago
Materials can move across capillary walls by _________.a. reabsorption. b. diffusion. c. filtration. d. All of the answers are c
Pavlova-9 [17]

Answer:

The correct option is D) All of the answers are correct.

Explanation:

The walls of the capillaries are thin due to which the processes of diffusion and filtration becomes lot easier in them. Gases such as oxygen and carbon dioxide cross the capillary walls through diffusion processes. As the walls of the capillaries are much thinner than that of veins and arteries hence. the processes of filtration and re absorption occur easily through them.

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3 years ago
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