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Olegator [25]
4 years ago
7

Identify the items that are part of an ecosystem. Check all that apply.

Biology
2 answers:
Darya [45]4 years ago
8 0

Answer:

Trees, ponds, and animals

Explanation:

Trees create oxygen, ponds have water, and animals need both of those things.

iogann1982 [59]4 years ago
8 0
Trees,pond,animals, I’m not really sure about rocks or Mountains
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Most mutations that cause cancer occur within body cells, and body cell mutations are not inherited. If cancer is not inherited,
Ksivusya [100]
The cause of acquiring cancer does not only rely on genetics. Cancer can be caused by a lot of factors and the most common factor considered why it statistically appear to run in families is the family's lifestyle. Most forms of cancer are lifestyle-related, and can be prevented. For example, Colon cancer. Usually a person is at risk to acquire colon cancer when he/she consumes too much processed meats and meats that are cooked at a very high temperature, alcohol use and overeating. Usually this kind of eating lifestyle is shared by the family.
6 0
3 years ago
The double-lobed mass of tissue located in the mediastinum along the trachea behind the sternum that is involved in immunity is
Vesna [10]

Answer:

The correct answer is thymus gland.

Explanation:

In the immune system, the thymus is considered as a primary lymphoid organ. Thymus is present behind the sternum, above the heart and between the two of our lungs. It is made up of two-lobed and is involved in releasing hormones and providing immunity.

Thymus is the primary site where T- cells become mature. T- cells are formed in bone marrow but reaches to thymus for maturation. These mature T- cells play a very important role in providing adaptive immunity against foreign molecules.  

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5 0
3 years ago
The vestibular system is the only sensory system to send projection fibers directly to the cerebellum.
Greeley [361]

Answer: False

Explanation:

The above statement is false as, cerebellum receives the projection fibers from the other sensory system in which they are received in the different part of cerebellum. As, the cerebellum received the information from the sensory system and the spinal cords and also in the other part of the brain as it regulates in the movement of the motor.

3 0
4 years ago
Is the shape and direction of a river's flow formed by weathering?
alex41 [277]
Erosion shapes. Lowest level directs.
6 0
3 years ago
What is a function of the backbone in animals?
kykrilka [37]

It surrounds the spinal cord is anwser

8 0
3 years ago
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