True or false A niche includes just the biotic parts of an environment.

Biology

1 answer:

victus00 [196]3 years ago

5 0

Answer:

False

Explanation:

An organism's niche includes its environment, behaviors, and interactions. It also includes its role within the environment. The environment consists of living and nonliving components.

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Jane has been feeling tired, has cold and gained a bit weight and trouble concentrating. what hormone problem symptoms is this

ipn [44]

The hormones which cause Jane’s problem are the thyroid hormones.

The condition is hypothyroidism

Explanation:

Condition: Hypothyroidism is an endocrine disorder which arises when the thyroid gland cannot produce the necessary amount of thyroid hormones like thyroxine (T4) and triiodothyronine (T3).

Both T3 and T4 are tyrosine-based hormones which regulate metabolism and any deficiency slows down the metabolic processes and can result in high cholesterol levels and atherosclerosis

Causes: An underactive thyroid gland and Autoimmune disorder

Diagnosis: Thyroid function tests by measuring serum thyroid stimulating hormone (TSH) and T4 levels

In hypothyroidism, the TSH secreted by the pituitary gland will be high because it is producing more hormones to stimulate the underactive thyroid gland.

An underactive thyroid gland cannot produce normal levels of T4 in the body.

Symptoms: Fatigue and weakness, cold intolerance, weight gain and puffy appearance, hair thinning, dry skin, decreased concentration, poor memory, muscle and body aches etc.

Treatment : Hormone replacement therapy with levothyroxine

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3 years ago

When food spoils, it is a chemical reaction. for example, rancid butter is produced when the fat molecules in the butter undergo

Sphinxa [80]

There are many methods used by manufacturers to stop or reduce oxidation of food to prevent its spoilage. These methods include:
Addition of a poisonous chemical substance such as sulfur dioxide to kill microbial growths.
Removal of oxygen to prevent aerobic oxidation of the food substances.
Keeping food dry to remove the water necessary for microorganisms to survive.
Reducing temperature so that microorganisms do not oxidize the food quickly.

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3 years ago

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PH 6.5 , pH 6.0 , pH 55 , pH 5.0 pH 45 pH 4.0

nataly862011 [7]

Answer:bj

Explanation:

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4 years ago

The heart is a cone-shaped muscular organ located within the ________ of the thorax. its apex rests on the ___________ and its s

Arte-miy333 [17]

The heart is a cone-shaped muscular organ located within the mediastinum of the thorax.

The mediastinum is the space lined with membranous tissue between the lungs. The mediastinum contains not only the heart but also the great vessels (pulmonary artery, aorta, pulmonary veins, and the superior and inferior vena cava), as well as parts of the esophagus and the trachea.

Its apex rests on the diaphragm and its superior margin lies at the level of the 2nd rib.

The apex of the heart is the conical area created by the confluence of the ventricles, but mainly by the left ventricle. It rests on the diaphragm. The superior margin of the heart, also known as the base, lies at the level of the second rib.

Approximately two-thirds of the heart mass is seen to the left of the midsternal border.

This is because to the left of the midsternal border lies the left ventricle which comprises most of the heart mass as the left ventricle is the one responsible for pumping blood throughout the systemic circulation and significant pressure should be overcame; resulting to the physiologic hypertrophy of the left ventricle.

The heart is enclosed in a serosal sac called the pericardium. The loosely fitting double outer layer consists of the outermost fibrous pericardium, lined by the parietal layer of the serous pericardium.

The pericardium is one of three layers of the heart (other ones being the myocardium and the endocardium); and is the outer layer of the heart. The pericardium is composed of two tissues, the fibrous pericardium and the serous pericardium. The pericardium functions to lubricate the movement of the heart by the action of the pericardial fluid.

The heart has four chambers. Relative to the roles of these chambers, the atria are the receiving chambers, whereas the ventricles are the discharging chambers.

The four chambers of the heart are namely the right atrium, right ventricle, left atrium, and the left ventricle. Venous blood goes to the right atrium via the vena cavas then to the right ventricle via the tricuspid valve; then to the pulmonary circulation via the pulmonary artery where it will be oxygenated. From the pulmonary circulation, the left atrium will receive the oxygenated blood via the pulmonary veins then to the left ventricle via the mitral valve where it will be pumped to the systemic circulation via the aorta.

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Help me plsssss 10 points only sorry The letter c is C. Energy

GarryVolchara [31]

Answer:

non luminous is your answer.

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