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Lesechka [4]
3 years ago
5

explain why there are no or very few tall trees in an abandoned farm field in the first decade after the field is no longer farm

ed.
Biology
1 answer:
Goryan [66]3 years ago
7 0

Explain why there are no or very few tall trees in an abandoned farm field in the first decade after the field is no longer farmed. During the first decade after these farm fields had been abandoned, most of the area was covered by herbaceous plants that grow and reproduce rapidly and grow well in full sun.

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Clinical indications for the use of adrenergic drugs stem mainly from their effects on the heart, blood vessels, and bronchi. Th
uranmaximum [27]

Answer: Adrenergic drugs are used both in the emergency treatment of Myocardial infarction, Asthma attack and Anaphylaxis T/F.

Explanation:

Andrenergic drugs acts by blocking renin release,and interfers with synthesis and release of Nor-epinephrine (Nor-adrenaline) thereby helping to reduce the peripheral vascular resistance and lowering the blood pressure.example; Methyldopa.

As a bronchodilator in asthma attack, Adrenergic drugs relax bronchial muscle spasm then dilate the bronchial trees thereby allowing proper ventilation of the lungs example: Aminophylline

Adrenergic drugs like epinephrine are used in anaphylaxis/ allergic reactions as well as hypersensitivity reactions to inhibit the action of histamines and as such relieve allergic reactions.

5 0
3 years ago
Water makes up a large percentage of the body’s cells. For a cell to remain in homeostasis, it should
mario62 [17]

Answer: Osmosis

Explanation:

"Water makes up a large percentage of the body's cells. For a cell to remain in homeostasis, there must be a mechanism to control water changes in the cells. The movement of water from an area of high water concentration to an area of low water concentration is osmosis." Source, Quizlet. https://quizlet.com/350562884/cell-homeostasis-flash-cards/

7 0
3 years ago
Where can you find stem cells
Ganezh [65]

Answer: adult tissues

Explanation: Adult stem cells. These stem cells are found in small numbers in most adult tissues, such as bone marrow or fat. Compared with embryonic stem cells, adult stem cells have a more limited ability to give rise to various cells of the body.

3 0
3 years ago
External ear structure that helps to localize the direction from which sound arises
Step2247 [10]
The external ear structure is called the Pinna.

The Pinna helps to channel sound waves into the ear.

Many animals have the ability to move their pinna towards the direction of sound.

I have attached an image of a dog's ear to show you the external structure called the Pinna.

I hope this helps! I'm happy to answer any other questions you might have :)



[Image sourced from: https://www.msdvetmanual.com/dog-owners/ear-disorders-of-dogs/ear-structure-and-function-in-dogs]

7 0
3 years ago
Which of the following hormones is secreted by the pituitary in response to stimulus from the hypothalamus in response to high b
Nadya [2.5K]

Answer:

C: ADH

Explanation:

4 0
3 years ago
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