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Zigmanuir [339]
3 years ago
8

This recolonization of an area that has been totally destroyed, is an example of... A. climax succeesion B. Pioneer Succession C

. Primary Succession D. Seconday Succesion
Biology
2 answers:
Dennis_Churaev [7]3 years ago
7 0

Answer: C. Primary succession

An ecological succession is a change that occurs in the biotic community of an ecosystem due to changes that occur in non-living factors (weather, climatic conditions, sunlight, water, soil, temperature and disaster or calamity) and time, until the ecosystem attains stability. A primary succession occurs in a region, which was previously colonized by living species but destroyed by a disaster like retreating glacier or volcanic eruption. The region is completely barren and exhibit no life form.

Therefore, the recolonization of an area that has been totally destroyed, is an example of primary succession.

d1i1m1o1n [39]3 years ago
6 0

Well Primary Succession means you are the first organisms of that area after it is destroyed completely or if it's new. Secondary Succession is when an area is not destroyed completely but the organisms that remain colonize the area again. I believe it's C.

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Answer:

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4 0
3 years ago
From the right atrium through the tricuspid valve to the __(1)__ through the __(2)__ valve to the pulmonary trunk to the right a
atroni [7]

Answer:

Circulatory system

Explanation:

From the right atrium through the tricuspid valve to the right ventricle through the pulmonary sigmoid valve to the pulmonary trunk to the right and left lungs to the capillary beds of the pulmonary veins to the left atrium to the left ventricle of the heart through the mitral valve, to the aorta through the aortic semilunar valve, to the whole body, to the systemic arteries, to the capillaries of the body tissues, to the systemic veins, to the superior cava vein and inferior cava vein, which enter the right atrium of the heart.

8 0
3 years ago
3. A population of 820 insects lives in a 1.2-acre area. They gather nectar from a
katen-ka-za [31]

Answer:

The plants have the higher population density. This is because, when compared with that of the insects, the number of plant species per acre area is higher; 2800 compared to 683.3

Explanation:

The number of individual species per unit area of land is known as the population density. Population density describes how crowded or spaced out a given species is in a particular area. The higher the population density, the more crowded the species are and vice versa. The formula for calculating population density is given as:

Population density = Number of species/land area

Population density of the insects = 820/1.2 = 683.3 insects/acre

Population density of the plants = 560/0.2 = 2800 plants/acre

Therefore, the plants have the higher population density.

This is because, when compared with that of the insects, the number of plant species per acre area is higher.

3 0
2 years ago
Write down the clinical findings which are least suggestive of left-sided heart failure?
Arada [10]

Answer:

Adverse heart conditions do not occur in isolation. It is usually accompanied by other risk factors, like coronary artery dysfunction, diabetes, high blood pressure, etc.    

In addition to the above, the following factors are indicative of left-sided heart failure:

  • Shortness of breath caused by the collection of fluid in the lungs. Shortness of breath usually becomes pronounced upon physical exertion
  • An increase in the girth of the torso (mainly the abdomen) due to ascites which is the buildup of fluid in the abdomen.
  • engorged scrotum (in males of course)

Explanation:

Left-Sided Heart Failure is simply the inability of the heart to pump oxygen-rich blood into the body.

Blood filled with oxygen is moved from the lungs to the atrium on the left and then to the left ventricle. The blood is then pumped from the ventricle on the left to other parts of the body by a contracting and relaxing action. Left-sided heart failure can be classified into two:

  1. Systolic Failure and
  2. Diastolic Failure

1. Systolic Dysfunction: When the left ventricle can no longer shrink properly, the pressure with which the heart can pump enough blood into circulation is reduced.

2. Diastolic Dysfunction: This occurs when the left ventricle can no longer relax as it ought to due to the hardening of the muscle.

Cheers

7 0
2 years ago
Many countries, including the United States, measure output by calculating the _____.
muminat
These countries, together with the United States of America measure output through the calculation of complex indexes and metrices which, when taken together, are known as the Gross Domestic Product (GDP). 

Both the economic peaks and cycles refer to other things, which are mildly related to the gross domestic product. 
5 0
2 years ago
Read 2 more answers
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