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jasenka [17]
3 years ago
10

Describe the reason why humans have a blind spot in their vision.

Biology
2 answers:
Temka [501]3 years ago
7 0
The natural blind spot is due to lack of receptors where the optic nerve and blood vessels leave the eye. There can also be artificial blind spots when something blocks light from reaching the photoreceptors, or when there is local adaptation of the retina as just after seeing a bright light
wolverine [178]3 years ago
5 0

Answer:

The natural blind spot is due to lack of receptors where the optic nerve and blood vessels leave the eye. There can also be artificial blind spots when something blocks light from reaching the photoreceptors, or when there is local adaptation of the retina as just after seeing a bright light.

Explanation:

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3 0
3 years ago
What is happening to the [OH-] when the solution turns from pink to violet?
motikmotik

Answer:

the hydroxide ions are undergoing ionization and the particles are gaining / losing electrons .

Explanation:

i think it is because ::

the phenolphthalein of the solution has gone from having a pH of around 8 (pink) to being alkaline at above 10 which causes it to burn purple / violet .

5 0
3 years ago
In a ecological pyramid, what happens to the energy number species as you move up? why?
Komok [63]
In a ecological pyramid, when we move up energy decreases by 10% at each step 'cause they get lost as "Heat" when energy flows from one Trophic level to another.

Hope this helps!
6 0
3 years ago
What happens when living things get in the dirt?
nignag [31]
Human exploitation of fragile ecosystems can lead to the droughts and arid conditions characteristic of desertification. Effects include land degradation, soil erosion and sterility, and a loss of biodiversity, with huge economic costs for nations where deserts are growing.
4 0
3 years ago
A researcher is trying to construct a molecular-based phylogeny of the entire animal kingdom. Assuming that none of the followin
densk [106]

Answer:

Option (B) is the correct answer of the following question.

Explanation:

Collagens are a family of enzymes that perpetuate and protect many of the body's tissues, with the exception of connective tissue, femur, fibula, pigmentation, and the caucasian eye (optic disc). It would be the best choice on which to base the phylogeny.

  • The first and most concentrated substance in the body is the collagen genes.
  • It is a large, indigestible cellular muscle which maintains organisms and gives internal cells a texture.
  • Collagen is also an essential part of the crisscrossing membrane neurons.

Other options are incorrect because they are not related to the given scenario.

3 0
3 years ago
Read 2 more answers
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