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sergiy2304 [10]
3 years ago
10

Ph paper used to identify if a substance is acidic or basic was previously derived from organisms called lichens. what is the si

gnificance of natural indicators
Biology
1 answer:
ValentinkaMS [17]3 years ago
3 0
Natural indicators are important because they relate information about the acidity or alkalinity of a substance by demonstrating a shift in color which inform  the observer about the pH level of the concerned material.
Natural indicators possess useful chemicals which relate information about pH level and because of this they are used in manufacturing of chemical indicators.<span />
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? 3. Explain why Surtsey provided ideal conditions for studying primary succession:
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Answer:

Due to newly formed land.

Explanation:

Surtsey provided ideal conditions for studying primary succession because due to volcanic eruption all the vegetation and living organisms are destroyed from the surface and the land has no vegetation. Primary succession only occurs when the land is colonized for the first time after the formation of land due to natural disaster such as volcanic eruption etc. So we can say that Surtsey provided the conditions for observing primary succession.

4 0
3 years ago
If a homozygous blood type B father and a blood type O mother produce a child, what is the probability that the child will have
castortr0y [4]

Answer:

100%

Explanation:

Father Genotype: BB

Mother Genotype: OO

One allele will come from the father and one from the mother. Based on the parents'  genotypes, any child will take the B allele from the father and an O allele from the mother, so it will have the genotype: BO

O is a recessive allele so the child will always have blood type B.

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Whales are thought to have evolved from land animals similar to large otters. as evidence of this, whales have useless leg bones
Viktor [21]
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6 0
3 years ago
Which two sentences describes unethical behavior by a scientist
Mkey [24]

The sentence that states that " When Donnie is unhappy with how an experiment has turned out, he chooses not to share his findings with the public or his colleagues"

"he continues performing an experiment until he reaches the conclusion that he wants and expects. "

8 0
3 years ago
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What substance, produced in plants during photosynthesis, is used in respiration?
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Glucose and oxygen

Explanation:

4 0
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