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Anestetic [448]
3 years ago
12

What is the term used to populations moving into a area?

Biology
1 answer:
mel-nik [20]3 years ago
8 0
The answer is immigration

hope this helps  
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Theory or law that explains something about nature
RUDIKE [14]

According to natural law moral theory, the moral standards that govern human behavior are, in some sense, objectively derived from the nature of human beings and the nature of the world. While being logically independent of natural law legal theory, the two theories intersect.

3 0
3 years ago
The origin of the sartorius muscle is from the __________ spine.
Yuki888 [10]
The origin of the sartorius muscle is from the anterior superior iliac spine.
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3 years ago
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Which sequence correctly depicts the development of offspring?
JulijaS [17]

Answer:

The correct answer would be zygote...blastocyst...embryo...fetus.

The fertilization of sperm and egg results in the formation of zygote. It receives genetic material from a male as well as a female parent.

It divides with the help of mitotic divisions and results in the formation of 2, 4, 8, and 16 celled stages.  

It results in the formation of the hollow spherical ball of cells termed as a blastocyst.  The cells are distributed to form the outer layer termed trophoblast and inner cell mass which gives rise to the embryo.

Trophoblast help in the implantation of the blastocyst into the uterine wall.

The cells of the embryo undergo organogenesis during different organs such as heart, brain, lungs et cetera are formed.

In humans, almost 9 weeks after the fertilization the developing embryo is considered a fetus.  

The fetus development continues until birth.

7 0
3 years ago
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Two genetic diseases, Hunter and Hurler syndromes, are caused by an inability of cells to break down and recycle mucopolysacchar
IgorC [24]

Answer:

Its is a lysosomal storage disease!

Explanation:

<u>Hurler syndrome:-</u> is also known as mucopolysaccharidosis-I .

It Is due to the mutation on chromosome 4 .

There is a lack of of enzyme called alpha-L-iduronidase.This enzyme is present in lysosomes

It causes accumulation of mucopolysaccharides because of the absent of the enzyme in the lysosome

<u>Hunter syndrome:- </u>is also known as mucopolysaccharidosis-II

It occurs due to mutation in iduronate-2-sulfatase (IDS) gene.It is an X-linked disease

5 0
3 years ago
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What are the general features of the prymnesiophyceae
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Answer:

  1. Prymnesiophyceae is an algal class. It is placed in the haptophyte clade.
  2. It is unicellular.
  3. It has flagella (usually two) known as haptonema. These structures help in attachment and feeding.
  4. The plastids are surrounded by four-layered membranes.
  5. Its species are mostly found in the marine environment, thus classified as phytoplanktons.
  6. Many members of prymnesiophyceae have cell covering made up of calcium carbonate. These structures are known as coccoliths.

8 0
3 years ago
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