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rjkz [21]
3 years ago
5

Why are summer days longer than winter days on earth ?

Biology
1 answer:
zzz [600]3 years ago
7 0

Answer:

3. The region of Earth => away from the sun.

Explanation:

In the summer months, the northern half of the Earth, where we live, tilts towards the Sun. The seasons are caused as the Earth, tilted on its axis, travels in a loop around the Sun each year. Summer happens in the hemisphere tilted towards the Sun, and winter happens in the hemisphere tilted away from the Sun. This means we get more sunlight, making the days longer.

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Pea seed color exists as green or yellow. We might say that "yellow" is an example of a (an)_ for seed color
LiRa [457]

Answer:

b. allele

Explanation:

An allele is a variant form of a gene. In this problem, there is one gene (that determines seed color) with two possible alleles (green and yellow).

<u>The other options are wrong because:</u>

The genotype is the combination of alleles an individual has.

The karyotype is an individual's collection of chromosomes, paired and ordered.

A homozygote individual has the same alleles for a particular gene.

A heterozygote individual has different alleles for a particular gene.

6 0
3 years ago
1. Why is genetic diversity within a population important?
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I think its a , but double check because i dont want it to be wrong .
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How are photosynthesis and cellular respiration different?
kari74 [83]

Answer:

The correct answer is B photosynthesis stores energy,while cellular respiration releases energy.

Explanation:

Photosynthesis is an anabolic process that utilizes the atmospheric CO2 along with water molecule as a electron donor to generate glucose sugar and oxygen gas.Photosynthesis helps to store the light energy in form of chemical energy in the bonds of glucose molecules produced during photosynthesis..

 on the other hand cellular respiration is a catabolic process that oxidizes glucose to generate energy in form of ATP along with CO2 and water as a byproduct.

4 0
3 years ago
in pea plants round seeds are dominant and wrinkled seeds are recessive. the cross rr x rr, what percentage of the offspring wil
In-s [12.5K]

Answer:

0%

Explanation:

Round = Dominant

Wrinkled = recessive

Recessive = r

Dominant = R

homozygous dominant = RR

homozygous recessive = rr

Heterozygous= Rr

Since both seeds are homozygous recessive (rr)

In your punnet square, one lower case r will go on the top and the left side

r r

r

r

Something like that.

Go across your four boxes and you will end up with;

rr, rr

rr, rr

In order for it to be round, at least one box would need to have to be a heterozygous(Rr) or be a homozygous dominant.

7 0
1 year ago
In anatomy, -tomy means:
san4es73 [151]

Answer

cutting or incision

for example: gastrotomy means a surgical incision to the stomach

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3 years ago
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