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Dahasolnce [82]
3 years ago
5

Please hurry

Biology
2 answers:
Y_Kistochka [10]3 years ago
6 0

Answer:

Prenatal exposure to smoking and alcohol increases the risk for Sudden Infant Death Syndrome  Physiological changes associated with these exposures are not well studied. Full-term infants were tested within the first 3 days of life.

Explanation:

MAVERICK [17]3 years ago
3 0

Answer:

Smoking may also increase a baby's risk of various birth defects, including cleft lip, cleft palate, and clubfoot. Even more frightening is research suggesting that babies whose mothers smoked during pregnancy are more likely to die of sudden infant death syndrome

Explanation:

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4
juin [17]
The answer is D . Pressure causes water and dissolved substances to filter though capillary walls of the glomerulus .
5 0
3 years ago
What is one reason why the classification of protists in one kingdom is difficult?
Aleksandr-060686 [28]

B.  Protists more closely resemble members of other eukaryotic kingdoms than they do other protists.

Explanation:

It is difficult for scientists to classify protists into one kingdom because they closely resemble member of other eukaryotic kingdoms than they do other protists.

The protists have a wide variations among themselves that makes them very difficult to classify.

  • Protists have a wide-range of diversity within them and they flaunt every rule used to classify them.
  • Protists have also shown characteristics of different kingdoms between them.

learn more:

Kingdom of life brainly.com/question/5186929

#learnwithBrainly

7 0
4 years ago
What is the difference between fish, amphibians, and reptiles? How to classify each.
pashok25 [27]
Fish live completely in water, amphibians partly in water and land while reptiles live on land. Fish and reptiles have scales while amphibians have smooth skin. Fish breath through gills, amphibians through gills and lungs while reptiles through lungs. They are generally classified as vertebrates.
3 0
3 years ago
What was significant about the fossils Darwin Found
Alexandra [31]
Hey there,
<span>He dug up fossils of gigantic extinct mammals- thus this was significant.

Hope this helps ☺

<em></em>~Top
</span>
8 0
4 years ago
The concentration of ions in the chemical environment surrounding the neurons must be tightly regulated for neurons to function
Artist 52 [7]

Answer:

B) astrocytes

Explanation:

Cells other than neurons that play an important role in the normal functioning of nervous system are called Neuroglia or glial cells.

Satellite cells, astrocytes, schwann cells and oligodendrocytes are all examples of glial cells.

⇒Satellite cells provide protection and nutrition to cells in peripheral nervous system ( peripheral nerves and ganglia).

⇒<em><u>Astrocytes</u></em> play an important role in central nervous system (brain and spinal cord). They provide protection to neurons, scavenge ions, form the blood-brain barrier and also maintain extracellular environment suitable for neuronal functioning.

⇒Schwann cells are found in the peripheral nervous system and myelinate the axons of neurons.

⇒Oligodendrocytes are found in central nervous system and produce myelin sheath which myelinates (insulates) axons  of neurons. Their function is similar to schwann cells but in the central nervous system.

From the above discussion it is clear that the answer is B) Astrocytes as these maintain a suitable chemical environment for the neurons.

3 0
4 years ago
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