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Sav [38]
3 years ago
14

Hydrogen ions have a positive charge why

Biology
1 answer:
Fantom [35]3 years ago
4 0
Hydrogen has one valence electron. To make it an ion, you need to remove this valence electron. When you remove an electron, the element becomes positive because you are taking away the negative
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What conditions are possible reasons for declining genetic diversity of a species? Select all correct answers.
yan [13]

Some conditions that are possible reasons for declining genetic diversity of a species;

▪︎loss of habitat

▪︎inbreeding

Explanation:

Loss of habitat will definitely reduce diversity because it reduces the population size from increased competition for reduced resources. Some subspecies may be completely eliminated when their niche is completely lost.

Inbreeding also reduces diversity because it results in the expression of recessive genes in a population that are mostly disadvantageous. High inbreeding rates will result in most individuals not reaching maturity to pass down their genes to the next generations.

Learn More:

For more on genetic diversity check out;

brainly.com/question/9739725

brainly.com/question/12850027

#LearnWithBrainly

4 0
3 years ago
_____ is the closest relative to modern humans.<br> Cro-Magnon<br> Homo erectus<br> Neanderthals
denis-greek [22]
Neanderthals is the closest relative to modern human. According to the study of evolution of man, neanderthals are the one with the closes facial structure and body structures to human.
Their higher classification is already considered as human.
5 0
3 years ago
Read 2 more answers
At what point in a lab do you think the yeast became metabolically active?
FinnZ [79.3K]
What are the choices?

7 0
3 years ago
Consider the group of giraffes in the image below. Which statement about the giraffes explains their evolution based on Charles
Lilit [14]

Answer:

Long necks were a random genetic change and resulted in the gradual  increase of organisms with long necks.  

5 0
3 years ago
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In clover plants, the pattern on the leaves is determined by a single gene with multiple alleles that are related in a dominance
igomit [66]

Answer:

The correct answer is -

a. 7

b. 7 (p1p1, p1p2, p1p3, p1p4, p1p5, etc

c. p7 is abundant

Explanation:

According the question the dominance of the big leaves is p7 > p6 >p5 >p4 >p3 >p2 >p1 where 1 represent least dominance and 7 represent most dominance  

let represent the phenotype with the numbers 1 to 7 and genotype with a combination of these numbers so the genotype in respect of phenotype would be :

p7p7,p7p6, p7p5, p7p4, p7p3, p7p2, p7p1 - most dominant 7

p6p6, p6p5, p6p4, p6p3, p6p2, p6p1 - 6

p5p5, p5p4, p5p3, p5p2, p5p1 - 5

p4p4, p4p3, p4p2, p4p1 - 4

p3p3, p3p2, p3p1 - 3

p2p2, p2p1 - 2

p1p1- 1 least dominant

Thus, there are 28 different combinations or patterns of genotypes. 7 phenotypes patterns.

6 0
3 years ago
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