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malfutka [58]
3 years ago
13

16. What is osteoporosis? How can it affect bones? Why is calcium important to bones?

Biology
2 answers:
storchak [24]3 years ago
8 0
<span>a medical condition in which the bones become brittle and fragile from loss of tissue, typically as a result of hormonal changes, or deficiency of calcium or vitamin D</span>
brilliants [131]3 years ago
4 0
Osteoporosis is <span>a medical condition in which the bones become brittle and fragile from loss of tissue, typically as a result of hormonal changes. </span>Our bones store calcium in addition to providing support for our bodies.
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What kind of adaptations could have given homosapiens an evolutionary advantage over neanderthals and other species of humans?
3241004551 [841]

Answer:

humans had more developed 'social' brains than Neanderthals, which enabled us to colonize new habitats and adapt to climate fluctuations

Explanation:

A more developed brain is considered to be an adaptive advantage that enabled early humans to leave Africa and colonize new habitats. Modern humans are able to adjust to new environments, situations, and socialize with other humans because the brain is a social organ. Although Neanderthals were able to occupy an important area of Europe, H. sapiens could colonize faraway lands, migrating into tropical forests, deserts, and glacial lands (colder areas than those colonized by Neanderthals). These early humans formed social groups which enabled them to find food more easily, thus greatly increasing their chances for survival.

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Why genetic factor is very important in crop production​
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The wise use of crop genetic diversity in developing improved crops can contribute significantly to protecting the environment. Crop varieties that are resistant to pests and diseases can reduce the need to apply harmful pesticides. More vigorous varieties can better compete with weeds, reducing the need for applying herbicides .

Explanation:

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3 years ago
I need help on number 5!
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What do anaerobic organisms have in common with photosynthetic organisms?
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The answer is T-cells.

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