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Masja [62]
2 years ago
5

After removing 30 of 40 insects from the population of five different colors, the ten that are left come in only two colors, red

and blue. All of the offspring that they produce are also red and blue. This would be an example of _____.
Biology
1 answer:
grigory [225]2 years ago
5 0

Answer:

the bottleneck effect

Explanation:

Based on the information provided within the question it can be said that this is an example of the bottleneck effect. This term refers to the loss of a specific amount of diversity within a population during some event, in which the surviving members only survived by complete luck and would replay the same way. This is what happened with the loss of all the other colored insects except for red and blue.

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Where do the branches of the bronchial tree ultimately end? 2. list the steps of the pulmonary circuit of the cardiovascular sys
Aneli [31]
1. The branches of the bronchial tree ultimately ends at the alveoli.
Bronchial tree consist of bronchi, bronchioles, and alveoli. Bronchi are formed as the lower part of the trachea divides into two tubes. Bronchioles are smaller tube divisions of the bronchi. It walls contain smooth muscle and no cartilage. Alveoli are tiny ends of the alveolar ducts, which functions as the site for gaseous exchange. 

2. Blood flows from the left atrium; mitral (bicuspid valves), the left ventricle, aortic valve, aorta, veins and heart, right side of the heart, superior and inferior vena cavae, right atrium, tricuspid valve, right ventricle, pulmonary valve, pulmonary trunk, pulmonary artery, lungs, pulmonary veins, then back to the heart...

3. Arteries and the veins differ in structures and they way they functions; Arteries carry oxygenated blood away from the heart to the body (except pulmonary artery) while veins carry deoxygenated blood back from the body to the heart (except pulmonary veins). A structural differences includes; the veins contain valves while arteries lack. Arteries have narrow lumen while veins have wide lumen. Lastly, blood carried by veins has higher pressure compared to blood carried in vessels.

4. The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and the bronchioles. Blood moves in and out of the lungs throgh the pulmonary arteries and veins that connect to the heart.

5. The cartilage rings of the trachea
They are strong but flexible tissues which support the trachea or the windpipe while still allowing it to move and flex during breathing. Additionally these cartilage rings are C-shaped to provide room for the esophagus, which lies along the back side of the trachea.

6. Functions of the larynx includes;
To protect the airway from choking on material in the throat
to regulate the flow of air into our lungs
The production of sounds used for speech 
Larynx is part of the respiratory system and is located between the pharynx and the trachea. Humans use larynx to breathe, talk and swallow. 

7. Structures that make up the pathway of air through the respiratory system starting with the external nares; We start with; External nares, nasal cavity, internal nares, nasopharynx, laryngopharynx,oropharynx, larynx, trachea, primary bronchus, secondary bronchus, tertiary bronchus, bronchiole, terminal bronchiole, respiratory bronchiole, alveolar duct, alveolar sac and alveolus. 
6 0
2 years ago
What are the characteristic of solute plssss po​
valentina_108 [34]

Solute is the substance that dissolves

  • Solute is a minor component
  • Solvent is a major component
  • Solutions is a mixture where the solute is uniformly distributed in the solvent.
  • Solution  is homogeneous mixture that contains particles the size of a typical ion or small molecule.
  • The mass of the solute dissolved per unit volume of solvent is called Concentration
  • Solubility is The concentration of a saturated solution
  • Solutes lower the freezing point and raise the boiling point of a solvent.
  • Saturated Solution is a solution in which no more solid can be dissolved
  • Unsaturated Solution is solution in which more solid can be dissolved
  • Precipitate is a solid that crystallizes out of a saturated solution as it is cooled.

To know more about solute visit :

brainly.com/question/7932885

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3 0
1 year ago
Which of the following is a benefit of recreation activities?
9966 [12]

Answer:

C Noise pollution

Explanation:

because organisms create noise.

3 0
3 years ago
Read 2 more answers
Please look at the attachment this is really important for my grade please it’s easy and I’m giving 20 points
Dmitrij [34]

Answer:

7.5

Explanation:

The first note is a half note that is (2 beats). The second note is an 8th note (1/2 a beat). The 3rd note is a whole note (4 beats). The last note is a quarter note so (1 beat).

2+0.5+4+1= 7.5

3 0
3 years ago
Why do methane is a gas at room temperature and water is a liquid, even though both molecules are similar in size and mass?
emmainna [20.7K]

Answer:

Water can hydrogen bond.

Explanation:

Liquids become gases once they are heated to a certain temperature. Heat is a form of energy. This change occurs when the intermolecular forces between the liquid molecules are energized enough to break. This breakage is necessary because gaseous molecules exist individually and do not interact with one another. That being said, it takes more heat to boil water because its intermolecular forces are stronger than methanes.

Intermolecular forces (IMF) are a result of partial charges on the molecular atoms that cause temporary bonds to form between molecules.

Methane is a nonpolar molecule, meaning each atom can only have slight partial charges. The strongest IMF methane participates in are London Dispersion Forces.

Water, however, is a polar molecule, with the hydrogens having strong partial positive charges and the oxygens having strong partial negative charges. This allows water to participate in a very strong IMF called hydrogen bonding. Again, because these partial charges are so strong, the water molecules can form stronger IMFs.

<u>*When molecules have stronger IMFs, they require more energy(heat) to overcome them.*</u>

3 0
2 years ago
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