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il63 [147K]
3 years ago
14

The developmental period during which a being grows from a single cell to an organism complete with brain and behavioral capabil

ities in 9 months is called
Biology
2 answers:
Delvig [45]3 years ago
7 0

Answer:

Prenatal development

Explanation:

Prenatal development is the phase of growth and development in which a single-celled zygote grows into an embryo followed by the fetus and then a baby in the womb of a lady.

The process of prenatal development is very complicated which is divided into three phases:

1. Germinal phase: during the first two weeks after the conception in which the single-celled zygote develops.

2. Embryonic period: during which the zygote grows into the embryo and lasts from the second week to the eighth week.

3. Fetal period: During which the embryo grows to form a fetus which matures into a baby and is born.

Thus, Prenatal development is the correct answer.

Radda [10]3 years ago
4 0

Answer:

Prenatal.

Explanation:

The sexual reproduction may be defined the process of fusion of the male sperm and female ovum that leads to the formation of the zygote. Zygote is diploid in nature.

The prenatal development includes all the stages that are involved in the development of the single cell till the completion of the nine months of the fetus. The development of all organs and the process of the cell specification all occurs in the prenatal development stage.

Thus, the answer is prenatal.

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Len [333]

Control fertiliser usage; this action will show a high decrease in the effect of harmful growth of algae

How will it work?

The fertilisers are chemical or biological mixtures that provide the essential inorganic and organic nutrients that a soil ordinarily lacks yet that plants need for healthy growth and crop production.

Increased fertiliser use has the potential to contaminate both land and water. Due to the addition of fertiliser minerals to the nearby water body as a result of surface runoff, plants and algae flourish excessively due to the availability of nutrients. Eutrophication is the term for this phenomenon.

As a result, fertilisers should only be used in limited quantities to prevent eutrophication.

Know more about fertilisers here:

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4 0
1 year ago
Use a specific example to explain how the interactions of two or more body systems work together to perform a function.
alexdok [17]
The sperm and the egg
6 0
3 years ago
Manny is using a computer model to investigate the effects of substitution mutations. The model presents Manny with a long base
Troyanec [42]

Answer:

The most likely explanation for the truncated polypeptide -due to the substitution of cytosine for adenine- is that mutation introduced a stop codon in the middle of the gene.

Explanation:

A codon consists of three nucleotides -in the RNA chain- whose order determines a specific amino acid. Not all codons code for amino acids, as there are termination codons, also called stop codons, which are UAG, UGA and UAA.

If in Manny's computer model, the substitution of cytosine by adenine produced a termination codon, the synthesis of a peptide is stopped prematurely resulting in a truncated peptide.

Learn more:

Stop codon brainly.com/question/6183177

5 0
3 years ago
A unicellular, prokaryotic organism is discovered by scientists. Are these characteristics enough to place it in a domain, or is
user100 [1]

Answer:

More information needed because it could be a member of bacteria or Archaea

Explanation:

3 0
2 years ago
I have no clue how to answer this
marta [7]

I believe this question is trying to get you to realize the difference between acquired traits(one you get through doing something during life) and heritable traits(ones from Mom/Dad). For example, I really wish I was 6 foot 4... but the height trait comes genetically from your parents since it is coded in my DNA how tall I will be, therefore this trait must be passed down genetically and somewhere down the evolutionary tree the humans in the region which my family comes from was better off being short. An example that comes from acquired traits could be muscularity... my parents are both not very muscular but throughout my lifetime I enjoy working out and have become much more muscular, no matter how much your parents or grandparents lift weights YOU won't change so that change must be acquired through aging during your lifetime. Now the amount of muscle your body can put on is a heritable thing but that is beside the point. Hope this helps :)

8 0
3 years ago
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