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blsea [12.9K]
3 years ago
13

Explain the process of natural selection: give specific examples.

Biology
2 answers:
Leno4ka [110]3 years ago
5 0

Natural Selection is: <u>the process whereby organisms better adapted to their environment tend to survive and produce more offspring.</u>


An example of this is our appendix. We no longer use our appendix because food nowadays is softer than what our ancestors used to eat.

Our ancestors could quickly digest (through their appendix) tree barks because they ate them frequently versus now we don't even use them at all

IrinaK [193]3 years ago
3 0
Natural Selection = The process in which organisms adapt better to their environment in order to survive, produce more offspring.

An example of natural selection would be giraffes. Back in the day, giraffes used to have short necks. Since they had short necks, they were not able to eat as much from tall trees. Over time, their necks grew longer, themselves adapting to the environment in which they lived and they were able to eat from those trees high up and were also able to fight any predators that tried to attack them.
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How many different elements are in O2?
yulyashka [42]

Answer:

six

Explanation:

Professor of Chemistry, University of Minnesota, Minneapolis. Oxygen group element, also called chalcogen, any of the six chemical elements making up Group 16 (VIa) of the periodic classification—namely, oxygen (O), sulfur (S), selenium (Se), tellurium (Te), polonium (Po), and livermorium (Lv).

6 0
3 years ago
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Suppose that a cat breeder wants to mate a male with mostly white spotted coat With a female with only a few small white spots w
aleksandr82 [10.1K]

Answer:

  • Male genotype: SS
  • Female genotype: Ss
  • Genotypic ratio ⇒ 1:1 ⇒ 50% SS:50%Ss
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  • 50% probability that I kitten born to these parents will have small white spots like the female

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3 years ago
How do community contribute in maintaning the health of ecosystem??<br>​
andreev551 [17]

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6 0
3 years ago
What new information did Watson and Crick contribute to science ​
valentina_108 [34]

Answer:

The discovery of the DNA molecular structure contributing to the mapping of the genome.

Explanation:

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All of the following enhance water transport in terrestrial plants except: a) hydrogen bonds linking water molecules. b) capilla
Nimfa-mama [501]

Answer:

D) K being transported out of the guard cell.

Explanation:

The movement of water in the terrestrial plants is a very important factor as each cell of the plant require water to survive.

The movement of water is influenced by many physical, chemical and process going on in the plants like transpiration and stomatal opening and closing.

Water posses adhesion and cohesion properties which allow the water molecules to form a bond with other surface and with each other respectively. This allows the movement of water in the xylem by a process called capillary action.

The evaporation of water creates a pressure on the plant to absorb water from the soil but when potassium ions move out of the guard cell of stomata, the guard cells lose turgidity and stomata gets closed.

Thus, Option-D is correct.

6 0
3 years ago
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