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3 years ago

A diagram that indicates the sequence of the evolution of important body plan features is a

Biology

2 answers:

love history [14]3 years ago

5 0

C cladogram

A cladogram shows how animals under the same family began to dive millions of years ago

Gnesinka [82]3 years ago

4 0

Answer is c cladogram hope it helps! Plz mark me as brainliest

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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

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3 years ago

In order for plants and animals to be able to use nitrogen, N2 gas must first be converted to more a chemically available form.

AleksAgata [21]

D is the correct answer, bacteria.

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Which statements best describe shared characteristics? Check all that apply.

Masteriza [31]

a~ shared characteristics are features or qualities that organisms or species have in common.

c~ shared characteristics can be characteristics that existed in the common ancestor and still exist in modern organisms.

d~ shared characteristics can be new characteristics that have been modified from what was found in the common ancestor.

i hope these are correct, if they aren't, i'm so sorry.

btw, i love your username!!

rose from blackpink? Imaoo :D~

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the number of molecules of ATP produced from one molecule of glucose through glycolysis/oxidative phosphorylation is respectivel

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Answer:

Glycolysis is the answer

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2 years ago

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What does it mean when light from a galaxy is redshifted? (Earth Science)

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'Red shift' is a key concept for astronomers. The term can be understood literally - the wavelength of the light is stretched, so the light is seen as 'shifted' towards the red part of the spectrum.

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