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Fed [463]
2 years ago
8

It is commonly said that humans have 206 bones, but this is not always true. Explain using the term "sutural bones."​

Biology
1 answer:
melisa1 [442]2 years ago
6 0

Answer:

h

f

Explanation:

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A scientist tries to mate the two similar-looking fruit flies Drosophila melanogaster and Drosophila simulans. But he finds that
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2 years ago
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Describe the genetic makeup of the offsprings of asexual reproduction.
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They are genetically identical to the parents and only differ if a genetic mutation occurs.

Sexual reproduction involves two parents and produces offspring that are genetically unique.

The greater the genetic variation, the better change that an individual in the population have a favorable gene that can help survival.  Genetic variation is an important force in evolution as it allows natural selection to increase or decrease frequency of alleles already in the population.

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2 years ago
Why does the actions of the thymus demonstrate a close functional connection between the lymphatic system and the endocrine syst
OleMash [197]

Answer:

The Thymus is a unique gland which protects the body against autoimmunity when the immune system act against itself.Hence the Thymus plays a significant role the dual systems i.e.,the lymphatic system (body’s defensive mechanism) and the endocrine system

Explanation:

The Thymus is special gland located anteriorly to the chest directly behind the sternum and in between the lungs. Active until puberty and gradually shrinks to become fat after puberty.

Function: Prior to birth and during childhood thymus engage in producing and maturation of T-lymphocytes or T-cells a particular type of white blood cells which defence the body against infectious disease germs.Though the organ does not function throughout the life span but it plays a significant role protecting the body against autoimmunity refers to an immune system works against itself .Therefore the thymus plays a key role in lymphatic system and an endocrine system.

Secretion:Thymus secretes Thymosin a hormone it instigates the development of T-Cells ( disease resisting cells) Thymosin stimulates the development of T-Cells until a human attains its puberty. At the age of 75 thymus becomes a fatty tissue.

8 0
3 years ago
Ways of controlling malaria in Nigeria​
Firdavs [7]

Answer:These include closing the doors and windows in the evenings to prevent entry of mosquitoes into human dwellings; using mosquito repellant lotions, creams.

Explanation:

3 0
2 years ago
3. Name the six kingdoms of life, and give two charac-<br>teristics of each.​
IRISSAK [1]

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Animalia - multicellular, eukaryotic

Plantae - vacuolate eukaryotic cells, multicellular

Protista - unicellular and multicellular, eukaryotic

Fungi - decomposers, non-motile

Eubacteria - unicellular, prokaryotic

Archaebacteria - no peptidoglycan, glycoproteins and polysaccharides in cell walls.

Hope that helps. :)

3 0
2 years ago
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