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disa [49]
3 years ago
13

What is present in the soil that makes nitrogen directly available to plants?

Biology
1 answer:
lubasha [3.4K]3 years ago
6 0
In order for plants to assimilate nitrogen directly into their system, the nitrogen must be in the form of nitrates. Nitrogen in the air and ammonia from decayed matter in the soil is converted to ammonium by decomposers and nitrogen-fixing bacteria. The ammonium is further nitrified to nitrates by nitrifying bacteria. Finally, the nitrates can then absorbed by the plants.
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State the structure by which the embryo develops and grows.
netineya [11]

Answer:

the structure by which the embryo is called the oblica cord

4 0
3 years ago
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Indicate whether the following outcomes of cell division are observed in mitosis only, meiosis only, or both mitosis and meiosis
serious [3.7K]

Answer:

A. Both in mitosis and meiosis (II)

B. Mitosis

C. In both

D. Meiosis

E. Mitosis

Explanation:

Prior to every case of cell division in both mitosis and meiosis, the cell always ensures to duplicates its contents including its chromosomes. In both cases of cell division, the sister chromatids separates, apart from in meiosis I where homologous chromosomes separates to opposite poles. Only one cellular division occurs in mitosis which is involved in the growth and development of the diploid individual but in meiosis, two divisions takes place in the gametes (both male and female) to ensure that the haploid number of chromosomes is transfered from both parents each to the offspring ensuring a constant diploid offspring. Thus a diploid parent cell always produces a haploid daughter cell in the gametes during meiosis. In mitosis, the daughter cells are always identical to the parents cells.

4 0
3 years ago
Any girl online right now? ​
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3 years ago
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Don marquis thinks abortion is almost always wrong because (most) fetuses ___________________.
myrzilka [38]

Don marquis thinks abortion is almost always wrong because (most) fetuses loose a bright and valuable future.

<h3>What is Abortion?</h3>

The term "abortion" refers to the removal or evacuation of an embryo or fetus in order to end a pregnancy. Miscarriages, also known as "spontaneous abortions," are abortions that take place naturally and happen in 30% to 40% of pregnancies. An induced abortion, or less frequently "induced miscarriage," is when pregnancy is intentionally ended. Abortion, when used without modification, typically refers to an induced abortion.

Induced abortion is one of the safest medical treatments when performed correctly. The probability of maternal death in the US is 14 times lower following an induced abortion than following childbirth. Unsafe abortions—those carried out by practitioners without the required training or in circumstances with insufficient resources.

Learn more about Abortion with the help of the given link:

brainly.com/question/11476637

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4 0
2 years ago
Consider a population of 425 diploid giant Sequoia trees. In this population, you observe the following genotypic counts: 100 ho
Lemur [1.5K]

Answer:

q = 0.42

Explanation:

This question is an example of Hardy-Weinberg question and there are two equations necessary to carry out this question;

p + q = 1

p² + 2pq + q²  = 1

where;

p = the frequency of the dominant allele

q =  the frequency of the recessive allele

p² = the frequency of individuals with homozygous dominant genotype

2pq  = the frequency of individuals with heterozygous genotype

q² = frequency of individuals with the homozygous recessive genotype

Since the total  population = 425

q² = \frac{individuals with recessive genotype}{Total Population}

= \frac{75}{425}

q² = 0.1765            

To find q; we need to square root both side to           eliminate the square from  q².

∴ \sqrt{q^2}=\sqrt{0.1765}

q = 0.4201

q = 0.42       (to two decimal places)

4 0
3 years ago
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