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topjm [15]
4 years ago
7

Ryan, an 8-year-old boy, has the habit of swallowing toothpaste. as a result, his teeth have become discolored. it can be said t

hat ryan's teeth condition is caused by:
Biology
1 answer:
lorasvet [3.4K]4 years ago
6 0
The answer to this question would be: excess fluoride intake

The toothpaste has a high amount of fluoride and will increase the blood fluor level. Excess fluoride intake in children can cause fluorosis which was the brown staining of teeth because fluor is deposited in the growing teeth. Fluorosis can happen in children with <8-year ages.


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Thr process of ________ increases genetic variability as it produces gametes for sexual reproduction
34kurt

The process of <u><em>meiosis </em></u>increases genetic variability as it produces gametes for sexual reproduction

Explanation:

More complex organisms, including humans, produce specialized sex cells (gametes) that carry half of the genetic information, then combine these to form new organisms. The process that produces gametes is called meiosis. During meiosis, homologous chromosomes (1 from each parent) pair along their lengths.

7 0
4 years ago
Discuss the importance of a balanced diet.​
Aliun [14]

Answer:

u need a healthy diet cause it gives u the nutrients and energy u need to survive. ur body is more prone to disease n infections if u dont have a balanced diet. immune system weakens if u eat nutrient-poor foods. also here's something i copy-pasted from a random website:

revents diseases and infections. When you eat the full range of vitamins, minerals and other nutrients you improve your immune system and your healthy diet may even help prevent diseases like cancer, heart disease, diabetes, and stroke.

Helps you control your weight. Most people at some point want to lose weight or gain weight – eating a balanced diet helps you control your weight and maintain it over time. It is not feasible to be on a weight-loss diet forever – a balanced diet is the only way to healthily control your weight in the long term.

Improves your mental health. Getting the right mix of nutrients can help to ease symptoms of depression and anxiety – looking after yourself by eating well is essential as you take steps to good mental health.

Good for growth. A balanced diet is crucial for children and adolescents. As the body grows it is important to receive the right nutrients so that cells are built and maintained and the body grows at the right pace.

Better skin and hair. A healthy balanced diet also improves your looks. Eating well contributes to healthy skin and hair and a “glow” that makes you look younger.

this isnt very science-y but i tried to help the best i could so this should give u starting off point. have a great day/night

Explanation:

3 0
3 years ago
Which term describes organ systems that work together and maintain steady internal conditions when external conditions change?
Mashutka [201]

Answer:

I believe it is D.

Explanation:

Homeostasis refers to the relatively stable state inside the body of an animal. Animal organs and organ systems constantly adjust to internal and external changes in order to maintain this steady state

3 0
3 years ago
Read 2 more answers
Indicate, as true or false, whether each of the following statements about species is a component of the biological species conc
adell [148]

Their reproductive isolation from each other is complete: False  

They are unable to produce hybrid offspring upon interbreeding: True  

They shared a common ancestor recently in evolutionary time: False  

Explanation:

A species known as a group of that organisms which can be potentially interbreed with another one to produce viable, fertile offspring. Prezygotic and postzygotic barriers separated the species from each other. It prevents the mating of viable fertile offspring.  

This process happens when groups in that species become reproductively diverge as well as isolated. In the formation of new species postzygotic and Prezygotic barriers play vital role.  

3 0
4 years ago
How much energy is available at the secondary level?
Sidana [21]
<h3>Answer: <u><em>Hope this helps </em></u></h3><h3><u><em /></u></h3><h3>Explanation: </h3><h3><u><em>This pattern of energy transfer continues with each successive level of the pyramid. Secondary consumers receive 10% of the energy available at the primary consumer level (1% of the original energy). Tertiary consumers receive 10% of the energy available at the secondary level (0.1% of the original energy).</em></u></h3><h3><u><em /></u></h3>
7 0
3 years ago
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