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antoniya [11.8K]
3 years ago
5

About how long ago did our solar system start to form?

Biology
1 answer:
Likurg_2 [28]3 years ago
8 0

Answer:

About 5 billion years ago

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The endocrine system involves a number of organs and glands that secrete hormones. The posterior pituitary gland is responsible
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The characteristics that best describe SIADH is the ones explains below

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(SIADH) or known as syndrome of inappropriate secretion of antidiuretic hormone is a disorder of impaired water excretion caused by the inability to suppress the secretion of antidiuretic hormone.

The characteristics that best describe SIADH is: Fluid retention, serum hypoosmolality, dilutional hyponatremia, and concentrated urine with normal intravascular volume .

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Given what you know about the endosymbiotic theory, which region of the chloroplast below would you expect to be derived from th
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Photosynthetic lamellae

Explanation:

The cyanobacteria were the first successful photosynthetic cells present on the Earth which were able to convert the light energy into the chemical energy.

The endosymbiosis theory suggested that these cyanobacteria were engulfed by the eukaryotes and the cyanobacteria get transformed into the chloroplast.  

The region of the chloroplast that was formed in the cyanobacteria before the endosymbiosis happened was the photosynthetic lamellae which contained the chlorophyll molecule and thus is the correct answer.

Thus, Photosynthetic lamellae are the correct answer.

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3 years ago
Which best describes the fossil record?
Sonbull [250]

The correct answer choice is answer B.) The fossil record provides evidence of a common ancestor to many species. Hope this helped!

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Which of these is a basic need of all organisms?
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What is the significance of the red blood cell being anucleate?
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