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I am Lyosha [343]
3 years ago
14

Unit test

Biology
1 answer:
Nat2105 [25]3 years ago
8 0

This has been answered before in Brainly!!!

<u>check it out:  </u>

brainly.com/question/7384172

Hope it was helpful!

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¿Cómo se produce la Hepatitis B?
guapka [62]

La hepatitis B es un virus, una infección de su hígado. Puede causar cicatrización del órgano, insuficiencia hepática y cáncer.

8 0
3 years ago
Explain incomplete dominance, using snapdragon<br> flowers as an example.
oee [108]

Answer:

Dominant allele does not completely conceal recessive allele.

Snapdragon with genotype Rr (R being red and r being white), would have a phenotype of pink flowers.

Explanation:

Incomplete dominance is where a dominant allele is not able to completely conceal a recessive allele, usually leading to a phenotype which appears to be a combination of the two.

For example, in snapdragons:

The allele for red flowers (R) is dominant over the allele for white flowers (r). Let's say a snapdragon flower had the genotype Rr, one allele for red flowers and one for white. In the case of 'normal' dominance the dominant red flower allele (R) would mask the effects of the recessive white flower allele (r), resulting in the phenotype (outward observable characteristics) of having red flowers.

However here in the case of incomplete dominance, the dominant allele would not be able to fully cover up the effects of the white flower allele, meaning that both colors (red and white) are expressed in the phenotype, resulting in pink flowers.

Hope this helped!

5 0
3 years ago
Read 2 more answers
Fault lines are:
JulsSmile [24]
The answer is C
Why ?
The definition of the biosphere: i<span>s the global ecological system integrating all living beings and their relationships, including their interaction with the elements of the lithosphere, geosphere, hydrosphere, and atmosphere.</span><span>A example of a fault line would be the san Andreas fault line .</span><span>
</span>
6 0
3 years ago
Read 2 more answers
The greenhouse and enhanced greenhouse effects refer to the return of approximately ______ percent and greater than ______ perce
Sunny_sXe [5.5K]

Answer:

The greenhouse and enhanced greenhouse effects refer to the return of approximately <u>80</u> percent and greater than <u>80</u> percent of the heat radiated by Earth.

Explanation:

During natural greenhouse effect :

. Solar radiation reaches the earth

. Re-radiation of heat occurs

. Less re-emitted heat

. More heath escapes into space

Hence the greenhouse effect refers to return of 80% of heat radiated by Earth.

While during Human Enhanced Greenhouse effect :

. Solar radiation reaches earth

. Re-radiation of heat occurs

. More re-emitted heat

. Less heat escapes into space

Hence the enhanced greenhouse effect refers to return of more than 80% of heat radiated by Earth .

5 0
3 years ago
Modern corals are restricted to growing in warm, clear, well-lit, shallow water. Over the last two million years, coral reefs ha
vova2212 [387]

The answer is Climate change. It will take decades for the coral reef to recover from the catastrophic climatic changes including El Nino in 1997-98. Climate Change is the main and undeniable threats to the loss of the corals. It has negative effects on coral populations in some ways. This includes the Color Bleaching, Coral Disease, and Ocean Acidification. 

5 0
3 years ago
Read 2 more answers
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