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9966 [12]
3 years ago
10

How does an owl's niche in our valley affect the ecosystem on a farm?

Biology
1 answer:
timama [110]3 years ago
6 0

Answer: owls invade rodents that maintain ecosystem.

Explanation:

Farms have huge importance in term of food production and maintaining ecosystem (having all level of tropic levels). But, crops and vegetations are normally destructed by rodents. Thus, rodents are invaded by owls which helped to control crop damage and increase yield production that eventually maintain ecosystem of farms.

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What three processes lead to variation among offspring that have the same two parents?
beks73 [17]

Explanation:

Genetic variation in offspring during sexual reproduction is caused by

  • crossing over
  • independent assortment
  • randomized fertilization

Further Explanation:

All the genetic information within the eukaryotic cell is stored within the nucleus as helical DNA. This DNA is tightly wound around histones as chromosomes. To produce daughter cells during cell division, the chromosomes (total number of chromosomes (2n)) are copied before the cell splits into two daughter cells. This process is known as mitosis, and occurs in cell division and growth processes. Two new nuclei are formed, along with identical cells. These are the same as the parent cell and the chromosome number (2n) is maintained.

Conversely in meiosis, the number of chromosomes (2n) is halved through meiotic divisions, producing 4 (n) germ cells (sperm or eggs), each containing half the number of chromosomes as its parent cell.

  • crossing over:  the exchange of segments of chromosome, between non-sister homologous or similar chromatids crossing over happens at chiasmata, the point where non-sister chromosomes are joined.
  • independent assortment in metaphase I of meiosis: chromosomes align independently and genes segregate independently into new combinations ...in humans 2n, n = 23, 8 million combinations of chromosomes possible
  • randomized fertilization: sperm cells fertilize an ovum to form a zygote. This occurs randomly by chance, to result in a complete set of chromosomes 2n, that is a novel combination of half each parent's number of chromosomes

Learn more about mitosis at brainly.com/question/4303192

Learn more about transcription at brainly.com/question/11339456

Learn more about DNA and RNA at brainly.com/question/2416343?source=aid8411316

#LearnWithBrainly

9 0
3 years ago
Name the following compound: Mg3(PO4)2
Nataly [62]
Magnesium Phosphate is the answer
3 0
3 years ago
Read 2 more answers
Which of the following statements is true regarding the "Egg Slap" demonstration on Tuesday and how it relates to Newton's First
Marianna [84]

Answer:

Probably B, if not, A

Explanation:

3 0
2 years ago
What are two proteins within cell growth that are internal factors?
TiliK225 [7]

DNA has sequences that mRNA finds the pair for (ex. DNA says AGC, RNA says UCG) 
with that, they only come in 3 nucleotide increments.
5 0
3 years ago
What instrument would scientist use to take measurements in the upper troposphere
nirvana33 [79]
A scientist would use, C. Weather Balloon.
3 0
3 years ago
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