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Arturiano [62]
3 years ago
15

A kind of chemical sedimentary rock

Biology
2 answers:
Klio2033 [76]3 years ago
8 0
The answer is : Limestone
vodka [1.7K]3 years ago
4 0

Answer:

Organic chemical sedimentary rock

Explanation:

Chemical sedimentary rocks are of two types: inorganic chemical sedimentary rocks and organic chemical sedimentary rocks. Example of inorganic chemical sedimentary rock is rock salt as it does not have carbon in its composition. Coal is an organic chemical sedimentary rock due to the presence of carbon in it.

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Lapatulllka [165]

Answer:

I think A

Explanation:

Since a part of the lysome doesn't function properly, it causes accumulation of toxic substances.

In A it says the enzymes of the lysomes are not breaking down enough toxic material which means there is toxic material that is unwanted

So I think it's A

Hope this helps :)

7 0
3 years ago
Populations evolve for many reasons. Suppose there is a population of plants that have either purple flowers or white flowers, a
sattari [20]

Answer: natural selection

Explanation:Natural selection, gene flow, gene drift and mutation are the mechanisms for EVOLUTION.

The dominant purple allele must have been acquired from previous parent gene, by natural selection

Definitely the available   alleles from previous flower population were white and purple flowers. But, because the parents of purple flowers exhibit VARIATION, in their gene pool,  they showed dominance over  the recessive white colour flowers in the same population.  

◼ from Darwin’s observation and deduction, Organisms who acquired certain characteristics from variation  tend to survive than others, and therefore pass these inheritable characteristics to their offspring.

◼Thus the purple flowers dominated the population for the available resources, among the other flowers colours, (competitions) therefore it leads to a stable population in size after a period of time., while the white colour flowers are recessive

◼Darwin concluded that, variants of best adaptation will be selected for by natural conditions operating in the environment of the population at that particular period (natural selection).

Based on this, natural selection takes place, and the purple flowers with best variation will have selective advantage (dominance)above white colour flowers(recessive).

Consequently, they have higher survival rates compare to white flowers in the population this is   survival of the fittest by natural selection of purple flowers

The frequency of the white colour flower will reduced because of less manifestation of traits from generation to generation from reduced gene pool due to recessive trait, however the frequency of Purple flower will increase because the number of copies of allele of purple flowers is greater than the total number of all the flowers population( white flowers+purple)

5 0
3 years ago
Any one can please fill all the labellings.<br>thanks:)​
Vika [28.1K]

Answer:

1 = True Ribs or Vertebrosternal Ribs

2 = False Ribs or Vertebrochondral Ribs

3 = Floating Ribs

4 = Thoracic Vertebrae 1 (T1)

5 = Ribs

6 = Coastal Cartilage

Explanation:

Thus, The Whole Structure is known as Rib Cage or Thoracic Cage

<u>-TheUnknown</u><u>S</u><u>cientist</u>

3 0
3 years ago
Which pattern of inheritance would explain the different fur color in the related dogs?
djverab [1.8K]

Answer:

B/b alleles.

from a presentation

6 0
2 years ago
What is a long chain of one-ring sugar molecules?
Karo-lina-s [1.5K]

Answer:

polysaccharide

Explanation:

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