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Svetllana [295]
4 years ago
9

Darwin's theory predicts that variations can eventually produce a new species. Yet, scientists have never actually seen one livi

ng species give rise to another. Explain why not.
Biology
1 answer:
pav-90 [236]4 years ago
3 0
Because evolution takes insanely long?
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Evgesh-ka [11]
1. e
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3 years ago
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which of the following statements most accurately reflects the mental health focus of the latter half of the 20th century? selec
VladimirAG [237]

The statement which most accurately reflects the mental health focus of the latter half of the 20th century is it's primarily focusing on negative aspects with little attention paid to the positive and is denoted as option C.

<h3>What is Mental health?</h3>

This is a term which is used to denote the cognitive, behavioral, and emotional well-being of an individual.

In  the  latter half of the 20th century , it primarily focused on negative aspects with little attention paid to the positive which is why there is a spike in the amount of sui-cide and other forms of mental deficiencies.

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5 0
1 year ago
If an individual is homozygous for a trait, what percentage of his/her gametes will carry that allele?
Kazeer [188]
100% will have that allele. Homozygous means the alleles are the same for every gamete, for example looking at Mendel's pea plants, if the allele for the trait of growing tall is T and the allele for growing short is t, a homozygous tall pea plant would have the genotype TT, meaning all of its alleles are tall
3 0
3 years ago
1)What does the term Science means to you as a student?​
BaLLatris [955]

Answer: 1 : knowledge about the natural world that is based on facts learned through experiments and observation. 2 : an area of study that deals with the natural world (as biology or physics)

Explanation:

4 0
3 years ago
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The scala media is rich in K+ while the scale vestibuli and tympani are rich in Na+.
o-na [289]

Answer:

The given statement is True.

Explanation:

Scala media has endolymph as its constituent and endolymph  is rich in Potassium ions (K+)

whereas

Scala tympani and  scala vestibuli has in its composition Perilymph and Perilymph has sodium ions as their major constituent ions.

Therefore, scala media is Potassium ion rich while scala tympani and vestibuli are sodium ion rich.

5 0
3 years ago
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