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wolverine [178]
3 years ago
12

What type of cells are Merkel cells?

Biology
1 answer:
abruzzese [7]3 years ago
7 0

Answer:

Pressure sensing cells

Explanation:

Merkel cells provide information on pressure, position and deep static touch features such as shapes and edges. They are tactile sensors on the business of mechanotransduction. They encode surface features of touched objects into perception, but also have to do with proprioception.

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In each generation, the wings of experimental fruit flies were clipped short for fifty generations. The fifty-first generation w
Rufina [12.5K]

N an experiment, suppose that the wings of fruit flies were clipped short for fifty generations. The fifty-first generation emerged with normal-length wings. This observation would tend to disprove the idea that evolution is based on

a. inheritance of natural variations

b. inheritance of acquired characteristics

c. natural selection

d. survival of the fittest

Inheritance of acquired characteristics. Thus, option "B" is correct.

<h3 /><h3>What is inheritance of acquired characteristics?</h3>

For fifty generations wings of fruit flies were clipped. Hence they acquired this trait in their lifetime and not genetically. If acquired characteristics were capable of passing on to next generation, 50 generations would have been enough to inculcate this clipped wing trait in fruit flies. Despite it, the fifty-first generation did not have clipped wings.

Hence evolution can not occur without genetic variation. A character simply acquired in a lifetime does not create a difference in germ cells and hence is not enough to be passed on to next generation or cause evolution

To learn more about genetic variation click here:

brainly.com/question/848479

#SPJ1

3 0
1 year ago
What are new stars that are found in the spiral arms and formed from recycled dead star material known as?
Arada [10]

Answer:

population I stars.

Explanation:

A star is a giant astronomical or celestial object that is comprised of a luminous sphere of plasma, binded together by its own gravitational force.

It is typically made up of two (2) main hot gas, Hydrogen (H) and Helium (He).

The luminosity of a star can be defined as the total amount of light radiated by the star per second and it is measured in watts (w). Also, the apparent brightness of a star is a measure of the rate at which radiated energy from a star reaches an observer on Earth per square meter per second. The apparent brightness of a star is typically measured in watts per square meter.

Some of the examples of stars are; Canopus, Sun (closest to the Earth), Betelgeus, Antares, Vega etc.

New stars that are found in the spiral arms and formed from recycled dead star material are known as population I stars. Also, it comprises of association and clusters formed a million or billion years ago in the spiral arms of Milky Way galaxy.

A galaxy can be defined as a collection or group of many billions of stars and other planetary body which are existing independently.

6 0
2 years ago
Read 2 more answers
Would the surface temperature of white dwarf stars be higher or lower than red supergiants?
Liula [17]
The surface temperature of white dwarf stars is higher than that of red super giants. White dwarf stars are extremely hot when they form, and they start cooling off as time goes by. Red supergiants, on the other hand, are enormous dying stars, and they are quite cool. So, having this in mind, white dwarves are hotter than red supergiants. Hope I helped! :) If it’s wrong then I’m sorry!
4 0
2 years ago
Read 2 more answers
How many planets are in the Earth's solar system?
aivan3 [116]

Answer:

the answer is 8

Explanation:

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3 0
3 years ago
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How does dermal tissue help plants on a hot day?
Alexeev081 [22]
Because it has no seed or have seeds with wax coating that helps prevent water loss.  So it would be the one that says , It has a waxy material that prevents the loss of water to the environment. because that is true.
6 0
3 years ago
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