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dsp73
2 years ago
12

IF SOIL HAS ALL THE NUTRITION , THEN WHY DO WE NEED TO REPLINISH IT

Biology
2 answers:
Naya [18.7K]2 years ago
3 0

<em>MARK</em><em> </em><em>ME</em><em> </em><em>BRAINLIEST</em>

Answer:

  1. Continuous cultivation of crops in soil leads to the depletion of certain nutrients.
  2. If these nutrients are not replenished, soil becomes sterile and unfit for cultivation.
oksano4ka [1.4K]2 years ago
3 0

Answer:

we need to replenish nutrients into the soil because all nutrients that soil has used up by plants during their growth. if these nutrients are not replenished, soil become sterile and unfit for cultivation.

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7 0
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Sometimes a bee performs a maneuver, known as the “wiggle dance” in front of another bee. what is the purpose of the maneuver?
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A solution that has a pH of 6.8

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6 0
3 years ago
Sort the descriptions based on whether they are related to asexual reproduction or sexual reproduction
miss Akunina [59]

Answer:

Sexual Reproduction:

  1. Creates genetically unique offspring.
  2. Organism needs time to  reach adulthood and to reproduce.
  3. Requires the contribution of two parents.

Asexual Reproduction:

  1. Creates genetically identical offspring.
  2. Organism doesn't have to waste energy to find a mate.
  3. Requires the contribution of a single parent.

Explanation:

Sexual Reproduction:

  • Sexual reproduction involves the fusion of a male and female gamete. A gamete is a haploid cell that contains half of the chromosomes as in the parent cell. This process is called fertilization and it results in the formation of a zygote, a diploid cell that develops into an embryo and ultimately an individual.
  • Sexual reproduction involves two parents, each of which contributes one set of chromosomes (23) to the offspring.

Asexual Reproduction:

  • Asexual reproduction produces an exact copy of one single parent. Offspring produced through asexual reproduction do not possess genetic variation.
  • Asexual reproduction occurs through four processes:
  1. Binary fission
  2. Fragmentation
  3. Budding
  4. Parthenogenesis

7 0
3 years ago
Which of the following statements is true?
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The correct answers are:
Viruses are bundles of genetic material enclosed in a capsid.<span>
</span>Viruses are not living, so D is incorrect. 
Viruses are much smaller than bacteria, so A is incorrect.
3 0
3 years ago
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