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Elena-2011 [213]
2 years ago
9

Why is meiosis necessary??

Biology
1 answer:
IRINA_888 [86]2 years ago
3 0
Meiosis is the production of sexual gametes like sperm and egg. It is only necessary for sexual reproduction but not growth.
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Which question is a nonscientific question? Why are roses the best flowers? Does the color of a rose affect how long it blooms?
svlad2 [7]

A non scientific question is a question which cannot be proved to be true as no experiment or no data can be gathered from it. Why are roses the best flowers? is an example of  nonscientific question. The answer of this question is subjective and it brings no scientific data. Scientific question on the other hand is a question that may lead to a hypothesis and help us in answering (or figuring out) the reason for some observation.

3 0
3 years ago
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The most plausible hypothesis to explain why species richness is higher in tropical than in temperate regions is that
qwelly [4]
The most plausible hypothesis is: Tropical regions generally have more available water and higher levels of solar radiation. They also have very high rates of immigration and very low rates of extinction.

explanation:
Water is essential for an abundance of life, and sunlight is the means by which the whole food chain receives energy. Plants convert the sunlight into food, herbivores eat them, and other animals eat herbivores.

Hope this helps, and muchas luck on your biology.
7 0
3 years ago
1)In your own words explain what air pollution is
Anna11 [10]

Explanation:

Question 1

Air pollution is the introduction of harmful gases and substances into the atmosphere that renders it unfit for use for life. Some of these toxic gases and particulates are:

  • Carbon monoxide
  • Carbon dioxide
  • Nitrogen oxides
  • Smoke
  • Dust particles
  • Soot

Question 2

Natural forms are the original nature or outlook of a substance. Examples of natural forms are:

  • Flowers
  • Leaves
  • Animals
  • Rocks
  • Shells
  • Corals

Question 3

Anthropogenic cause of pollution are human causes of pollution. Some of these are:

  • Combustion of fossil fuels in internal combustion engines release harmful and toxic gases into the atmosphere and causes hair pollution.
  • Improper disposal of waste can produce effluent that reaches the ground water system and other fresh water sources.
  • Noise pollution from airports is very harmful to ear.
  • Mining activities degrades soil and removes rich fertile soils that should be used for agriculture.
  • Mining wastes can lead to contamination of water bodies around.

Question 4

Fossil fuels are fuel types that forms from natural process in which organisms are decomposed anaerobically to preserve their energy components. Some of these fuels are:

  • Coal
  • Crude oil
  • Natural gas

Question 5

  • Heart diseases ; ischaemic heart diseases can lead to failure of the heart when it does not receive enough oxygen from the environment. Air pollution contaminates available oxygen in the atmosphere and this is very dangerous to life.
  • Lung cancer: poor air quality can lead to the development of cancerous tumor in the lungs.
  • Asthma: air pollution is one of the leading cause of asthma.

Other notable mentions are bronchitis, pulmonary diseases, stroke

Question 6

_7 million____ people die each year from air pollution according to the world health organization

Question 7

Air Quality Index(AQI) is an indicator used to express the quality of air in particular area. The AQI can tell the present air quality condition. It can also be used to forecast future air quality in years to come.

It shows how clean and polluted the air is.

Question 8

The air quality index uses different colors to alert people about the quality of air. Each color represents different health implication of air quality:

     Attached image shows the different colors used to alert people of about the air quality.

Question 9

  • About 7 million people die annually as a result of air pollution
  • Beijing cough is new disease that emanates from the rising air pollution in Beijing
  • Asia has the fastest rising cases of air pollution problems.
  • The best way to reduce air pollution is by riding bicycles and walking more.

Learn more:

Air pollution brainly.com/question/10743354

#learnwithBrainly

3 0
3 years ago
Refusal to submit to the required test to determine the alcohol/drug contentof any person operating a motor vehicle will result
marissa [1.9K]
Losing your driving privilege 
6 0
2 years ago
The study of how food interacts with genes is known as ____.​
cluponka [151]
The study of how food interacts with genes is known as Nutritional Genomics, ​that encompasses nutrigenomics, which explores the effects of nutrients in the genome, proteome and metabolome, as well as nutrigenetics, whose main goal is to elucidate the effect of genetic variations on the interaction between diet and disease.
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2 years ago
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