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Verdich [7]
3 years ago
13

In a certain species of pine trees, the short needles are dominant to long needles. when discussing the pine tree needles as bei

ng short or long we are referring to the
Biology
1 answer:
artcher [175]3 years ago
6 0

We are referring to the phenotype of the species.


The phenotype describes the set of observable characteristics of an species. It depends on the expression of genes (genotype) and the environment. For example, humans having type 2 diabetes can be linked to both genetic predispositions and poor eating habits.

Epigenetic modifications can also modify a phenotype. Epigenetics is a process that explains how environmental factors (diet, smoking, stress ...) influence the expression of genes and therefore the phenotype.

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PLS HELP! ILL GiVE BRAINLIEST!!! LI NK IS BELOW!! JUST COPY AND PASTE IT!!
Anastasy [175]

Explanation:

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6 0
3 years ago
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Human activity, such as the burning of coal and oil, refining petroleum in factories has impacted which of the following
Zarrin [17]

Answer:

carbon cycle

Explanation:

Carbon is an essential element in the bodies of living organisms. It is also economically important to modern humans, in the form of fossil fuels.

Carbon dioxide—\text {CO}_2CO  

2

​  

start text, C, O, end text, start subscript, 2, end subscript—from the atmosphere is taken up by photosynthetic organisms and used to make organic molecules, which travel through food chains. In the end, the carbon atoms are released as \text {CO}_2CO  

2

​  

start text, C, O, end text, start subscript, 2, end subscript in respiration.

Slow geological processes, including the formation of sedimentary rock and fossil fuels, contribute to the carbon cycle over long timescales.

Some human activities, such as burning of fossil fuels and deforestation, increase atmospheric \text{CO}_2CO  

2

​  

start text, C, O, end text, start subscript, 2, end subscript and affect Earth's climate and oceans.

4 0
3 years ago
Read 2 more answers
The salinity of a body of water suddenly starts increasing. A chemist believes that upstream contaminants are polluting the lake
Kryger [21]
The reason both of these are valid scientific hypotheses is because A) scientists with different educational backgrounds may put forth different hypotheses to explain the same data.
This approach in science is vital in making progress and has helped to explain many phenomena in the past. When scientists explain data using different approaches, they come to a more comprehensive conclusion.
4 0
3 years ago
In what ways might this fish be adapted to live in an aquatic biome?
Temka [501]

Answer: by colors

Explanation:

A lot of Fish have certain colors to help blend in to their environment.

I hope this was helpful. :)

8 0
2 years ago
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In pea plants, the allele for inflated pod seed, I, is dominant over the allele for constricted pod seed, i. The Punnett square
zubka84 [21]

Answer:

<em>The offspring which carries the allele II will be homozygous dominant.</em>

Explanation:

A dominant trait can be described as a trait which masks the effect of a recessive trait. A recessive trait can be described as a trait which gets masked by the dominant trait.

A homozygous dominant trait occurs when both the alleles for the gen are dominant. A heterozygous dominant trait occurs when one allele is dominant and the other is recessive for the trait.  

Hence, a homozygous dominant trait will carry the alleles II.

8 0
3 years ago
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