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marissa [1.9K]
3 years ago
7

Explain how the shape of a finch's beak is an example of an adaptation?

Biology
1 answer:
djverab [1.8K]3 years ago
3 0
When Darwin went to the Galàpagos islands, he noticed that the finches had diffrent beak sizes based on their environment. The finches beak changed over time so that the could obtain the food in their environment.
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Alcohols and sugars both contain the hydroxyl group. Which property does the hydroxyl group have?
fredd [130]
The answer is B solubility in water
4 0
3 years ago
Marissa suffers from panic disorder, where she experiences unpredictable, unbearable episodes of panic that closely resemble the
Vsevolod [243]

Answer:

A. distress is the correct answer.

Explanation:

Marissa suffers from panic disorder, where she experiences unpredictable, unbearable episodes of panic that closely resemble the symptoms of a heart attack.(This description of her disorder represent distress)

Panic disorder is a stress disorder described by reoccurring sudden panic attacks.

Distress is a situation of severe stress or tension, usually caused by different factors such as failure in the exam, teasing, personal problems, loss of a job, etc.

Distress due to panic or anxiety affects a person's chance of undergoing cardiovascular problems such as stroke, heart attack, and health problems.

Distress changes in the process of blood clots and increases the blood pressure level, weaken the heart muscle that increases the problem of heart attack.

7 0
3 years ago
Why does CaCl2 need to be added to cells to make them 'competent'? Why does CaCl2 need to be added to cells to make them 'compet
V125BC [204]
DNA is a negatively-charged molecule. Also cell membranes are negatively charged. The problem would be how to push this charges together? I<span>f you put some CaCl2 into the mixture, the CaCl2 will "split" giving 2Cl- and Ca2+. This last ion will be attracted by the negatively charged DNA and will "cover" it, hiding its negative charge. Hope this answers the question.</span>
8 0
3 years ago
1. Before storage, excess ___________ must be removed from food grains.
german

Answer:

Chemicals

Cut and ready

Soil erosion

Oxygen

Explanation:

6 0
3 years ago
If there is an excess of reactive oxygen species (ross) in a system, where would the problem least likely be found?
serious [3.7K]

This condition is known as a super oxide in which mutated enzyme extremely functional because it helps in production of cells .

when unstable molecules that contains oxygen and that easily react with other molecules in the cells. a build up of reactive oxygen species and cells causes damage of DNA ,RNA & protein ,which cause cell death.

super oxide refers various toxic oxygen containing free radicals such as monovalant anion O2 (negative) or that compound containing potassium super oxide KO2. reactive oxygen can cause damage to the basic building block of the cell. DNA damage can occur in the form of double stranded breaks as a result of reactive oxygen induced conversion of guanine to 8-oxo guanine.

To learn more about the cell death here

brainly.com/question/14263310

#SPJ4

7 0
2 years ago
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