What role does the environment play in defining the appearance of an organism?

2 answers:

7 0

An organism naturally adapts to it's environment. Organisms have to adapt to survive to live in a certain environment. Their outside appearance and physical features depends on how they get their food, how they protect themselves from predators, and how they keep their body warm or cold in that climate. This kind of goes with the idea of natural selection. Natural selection is when animals adapt to changes over time by reproducing and creating genetic variations in their offspring. For example, if there are two types of rabbits. One rabbit is black and the other is white. These rabbits live in a very cold place where there is a lot of snow. The predators have been eating most of the black rabbits since, they are easily seen. The white rabbits will keep on reproducing, while the black rabbits population will decrease. After a while the black rabbits will be no more and a new generation of white rabbits will be able to survive and thrive.

Sholpan [36]3 years ago

6 0

An organism grows to its environment, also known as adaptation. Organisms will adapt to their surroundings for survival. For example some paramecium is a small single celled fresh water animal, they are covered in cilia so that they could move through the pond water more effectively. Hope this helps.

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D. The man's traits (ff) would be recessive and with one of the girls (FF), all their offspring would have the genotype Ff, meaning all the offspring have freckles.

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3 years ago

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A transmission diffraction grating with 420 lines/mm is used to study the light intensity of di event orders (n). A screen is lo

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Answer:

Explanation:

Diffraction grating is used to form interference pattern of dark and bright band.

Distance between adjacent slits (a ) = 1 / 420 mm

= 2.38 x 10⁻³ mm

2.38 x 10⁻⁶ m

wave length of red light

= 680 x 10⁻⁹ m

For bright red band

position x on the screen

= n λD / a , n = 0,1,2,3 etc

D = distance of screen

putting n = 1 , 2 and 3 , we can get three locations of bright red band.

x₁ = λD / a

= 680 x 10⁻⁹ x 2.8 / 2.38 x 10⁻⁶

= .8 m

= 80 cm

Position of second bright band

= 2 λD / a

= 2 x 80

= 160 cm

Position of third bright band

= 3 λD / a

= 3 x 80

= 240 cm

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3 years ago

What are the units, if any, of the particle in a box wavefunction. What does this mean?

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Answer:

$[\psi]= [Length^{-3/2}]$
This means that the integral of the square modulus over the space is dimensionless.

Explanation:

We know that the square modulus of the wavefunction integrated over a volume gives us the probability of finding the particle in that volume. So the result of the integral

$\int\limits^{x_f}_{x_0} \int\limits^{yf}_{y_0} \int\limits^{z_f}_{z_0} |\psi|^2 \, dz \, dy \, dx$