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Tpy6a [65]
3 years ago
12

The distinction between protostomes and deuterostomes is based on

Biology
1 answer:
polet [3.4K]3 years ago
3 0
The distinction between protostomes and deuterostomes is based on differences in their embryological development. Protostomes develop their oral end from their first developmental opening, while deuterostomes have their oral end develop from the second opening on the dorsal surface. 
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1.   The oxygen requirements of an animal cannot be met by the process of     diffusion as diffusion is a very slow process. To overcome this, multicellular organisms have specialized cells and tissues for performing various necessary functions of the body such as intake of oxygen and food.

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3 years ago
A scientist discovers a cell that has chloroplasts, cytoplasm, DNA, and a cell membrane. Which statement best describes how
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Answer: The cell is eukaryotic because it has chloroplasts. A scientist is studying a cell and can clearly see that it has ribosomes and mitochondria.

Explanation:

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Which of the following is the most important in preventing the spread of
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What are the advantages and disadvantages of using renewable and nonrenewable energy resources? Use evidence from the lesson and
timofeeve [1]

Answer:

The answer to this question is given below in this explanation section.

Explanation:

Advantages of renewable energy resources:

Using renewable energy over fossil fuels has a number of advantages.Here are some of the top benefits of growing green.

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Renewable energy technologies use resource straight from the environment to generate power.These energy sources include sunshine,wind,tides,and biomass,to name some of the more popular options.

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In most cases,renewable energy technologies require less overall maintenance  than generators that use traditional fuel sources.This is because generating technology like solar panels and wind.

  • Renewables save money:

Using renewable energy can help you save money long term.Not only will you save on maintenance costs,but on operating cost as well.When you are using a technology but generates power from from the sun wind team natural processes.

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Renewable energy resources emit little to no greenhouse gases or pollutants into the air.

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With renewable energy technologies you can produce energy locally.The more renewable energy you are using for power needs.

Disadvantages of renewable energy:

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You can save money by using renewable energy the technologies are typically more expensive upfront by traditional energy generators.

  • Intermittency:

Through renewable energy resources are available around the world many of these resources are not available year around.

  • Storage capabilities:

Because  of this intermittency of some renewable energy resources there a high need of energy storage.

  • Geographic limitations:

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explain how the cell theory was reached by a collaboration of experiments and ideas from numerous scientists
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The discovery of the cell was made possible by the invention of the microscope, which was made possible by improved lens-grinding techniques. Antoni van Leeuwenhoek (1632-1723), a Dutch tradesman, learned to grind lenses and assemble them into simple microscopes.

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