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ivanzaharov [21]
2 years ago
12

Please help me!!!!!!!​

Biology
1 answer:
mario62 [17]2 years ago
5 0

Explanation:

a iv

b viii

c ii

d i

e iii

g i

f. single cotyledon it's v

two cotyledon it's vi

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How can trees affect weathering and erosion?
shusha [124]

Answer:

Trees reduce the rate of erosion

Explanation:

Trees reduce the rate of erosion by: protecting the soil from the impact of rain. transpiring large amounts of water, which counteracts very wet soil. binding soil to sloping land with their roots

3 0
3 years ago
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
Ation of Resources
Novosadov [1.4K]
I think it is D
Hope my answer help you?
3 0
3 years ago
Which of the following is NOT a type of neuron?
xxTIMURxx [149]
I believe its D. response neuron.

Hope this helps!

Love, Grace-
8 0
3 years ago
Read 2 more answers
PLEASE HELP WILL MARK BRAINLEIST!!! 30 POINTS!!!!!!
olga_2 [115]
Hmph.. I believe its A.
7 0
3 years ago
Read 2 more answers
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