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ludmilkaskok [199]
3 years ago
8

The main source of organic matter in soil

Biology
1 answer:
iragen [17]3 years ago
3 0

plants (living and dead) is the main source
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Anemia is caused by a defective gene resulting in abnormal hemoglobin: a. Hemorrhagic anemia b. Aplastic Anemia c. Pernicous Ane
OverLord2011 [107]

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it's sickle cell anaemia the answer it's D

5 0
3 years ago
What type of asexual reproduction is shown in the image below?
guapka [62]

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budding is the key answer

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Which of these is not needed by living organisms?
Bezzdna [24]

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Gravity.

Explanation:

Without air, living organisms would suffocate and die.

Without water, living organisms would dehydrate and die.

Without energy, living organisms would die instantly.

Without space, living organisms would be squished together and die.

The only logical answer left is gravity.

3 0
3 years ago
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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
4 years ago
What is the probability that the couple would have
loris [4]
Go to the Prenatal Testing page for more details. If one parent has sickle cell trait (HbAS) and the other has sickle cell anaemia (HbSS) there is a one in two(50%) chance that any given child will get sickle cell trait and a one in two chance that any given child will get sickle cell anaemia.
5 0
3 years ago
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