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Irina-Kira [14]
2 years ago
7

The four parts of a seed include all of the following, except _____.

Biology
1 answer:
lara [203]2 years ago
6 0
D. Epidermis netted veins
vascular rings
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Question 2 of 6 Which two pieces of data could indicate that a volcano is about to erupt? A. An increase in temperature near Ear
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The correct answer is A.
3 0
3 years ago
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Are invasive species and exotic species the same? Explain your answer ​
Sindrei [870]

Answer: No

Explanation: Exotic and invasive species are two types of non-native species, which are introduced to ecosystems by natural processes or humans. Most exotic species are domestic, and they do not harm ecosystems. But, invasive species are harmful to the ecosystems.

7 0
2 years ago
Colored aleurone in the kernels of corn is due to the dominant allele R. The recessive allele r, when homozygous, produces color
Pie

Answer:

The genes are linked, and the arrangement is coupled (one homolog has both dominant alleles; the other homolog has both recessive alleles).

RY / ry

Explanation:

R_= colored aleurone

rr= colorless aeurone

Y_= green plant

yy= yellow plant

They do a testcross between a plant of unknown genotype and phenotype and a plant that is homozygous recessive for both traits (yr/yr) the following F1 is obtained:

  • 88 Colored, green (RY/ry)
  • 92 colorless, yellow (ry/ry)
  • 8 colorless, green (rY/ry)
  • 12 colored, yellow (Ry/ry)

If the genes assorted independently, all of the possible offspring phenotypes would appear in the same frequency. However, they obtained 2 phenotypes much more abundant that the other two. Since recombination is a rare event during crossing over, when two genes are linked the recombinant gametes are produced less frequently than the parentals.

We can propose that the phenotypes Colored, green (RY) and colorless yellow (ry) are the parental gametes, and the unknown plant has the arrangement RY/ry, with both genes linked.

6 0
3 years ago
The following table lists the number and variety of organisms in
velikii [3]

Answer:

The following table lists that number and variety of organisms in four different. Predict what would happen to Ecosystem 3 immediately after a volcanic eruption. Its biodiversity would decrease ... 395---Add all of the organisms together and divide by the number of ecosystems

Explanation:

3 0
2 years ago
Pollution stays in the area where it is produced.<br> a. True<br> b. False
Studentka2010 [4]
False, because if it is air pollution, the polluted particles diffuse in the air and then travels. In addition, for noise pollution, sound waves travel!
6 0
3 years ago
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