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kupik [55]
3 years ago
15

How is punctuated equilibrium different from gradualism?

Biology
1 answer:
Anit [1.1K]3 years ago
4 0
For Gradualism, changes in species is slow and gradual, occurring in small periodic changes in the gene pool, whereas for Punctuated Equilibrium, evolution occurs in spurts of relatively rapid change with long periods of non-change
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When you are frightened by something, what part of the brain directs your body to react by making your heart beat faster and inc
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The answer is A. The Cerebellum.
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2 years ago
las ondas transversales producidas en una cuerda de guitarra tienen una rapidez de propagación de 150 m/s y su longitud de onda
Alex Ar [27]

Answer:

Period of the waves = 0.00013 s (Approx.)

Explanation:

Given:

Propagation speed = 150 m / s

Wavelength = 0.02 m

Find:

Period of the waves

Computation:

Period of the waves = Wavelength / Propagation speed

Period of the waves = 0.02 / 150

Period of the waves = 0.00013 s (Approx.)

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2 years ago
An organism is found that has the following traits has multicellular filaments decompose plants, lives in a moist enviremen twha
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Definitely belongs to the fungi kingdom!
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3 0
2 years ago
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An owl has good night vision because its eyes can detect a light intensity as small as 5.0 × 10-13 W/m2. What is the minimum num
Lady bird [3.3K]

Answer:

Thus, the minimum number of photons per second is 77.34

Explanation:

Light intensity, I_{min} =  5\times 10^{-13} W/m^{2}

Pupil has a diameter, d = 8.5 mm

                                      = 8.5 x 10^{-3} m

Radius of the eye, r = 4.25 x 10^{-3} m

∴ Area of the eye, A = \pi .r^{2}

                                 = 3.14\times \left ( 4.25\times 10^{-3} \right )^{2}

                                = 5.6\times 10^{-5} m^{2}

Let P_{min} be the minimum number of photons.

Therefore, P_{min} = I_{min} x A

                                              = 5\times 10^{-13} x 5.6\times 10^{-5}

                                             = 2.8\times 10^{-17} W

Thus the minimum number of photons is given by

N_{min}=P_{min}/E

where E = hc/\lambda

             = \left (6.63\times 10^{-34}\times 3\times 10^{8}  \right )/548\times 10^{-9}

            = 3.62\times 10^{-19} J

Therefore, N_{min} = \frac{2.8\times 10^{-17}}{3.62\times 10^{-19}}

                                              = 77.34 photons per second

Thus, the minimum number of photons per second is 77.34

4 0
3 years ago
What is the breed of Dog X?
sleet_krkn [62]
Box Terrier Shepherd
5 0
2 years ago
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