All the changes (or improvement) that take place during the life of an organism is known as <span>"Development"</span>
It should be A if im not mistaken
Answer: Microorganism activity affects soil acidity and the amount of organic matter in soil. It also affects the nutrient and mineral levels in soil as well as soil structure.
Explanation:
The question is incomplete as it lacks the group of choices required to answer. However, the correct answer on the basis of general information and knowledge is as follows:
Answer:
The cell theory expresses that: all living things are made out of at least one cell; the cell is the essential unit of life; new cells emerge from existing cells.
- Robert Hooke, an English researcher, watched little compartments in a slight cut of oak bark; he called them cells.
- Anton van Leeuwenhoek, a Dutch researcher, utilized a magnifying lens to watch living lake living beings.
- Researchers found these cells in all creatures that they watched. it was also evident before forming cell theory that cell arises from cells.
External intercostal muscles between the ribs or of the sternum during inspiration.
<h3>what are the function of External intercostal muscles ?</h3>
Intercostal muscles are the group of muscles present between the ribs that create and move the chest wall.
The muscles have three layers such as external intercostal muscles, internal intercostal muscles, and the innermost intercostal muscles.
These muscles are supplied by intercostal nerves, intercostal veins, and intercostal arteries.
The external intercostal muscles are involved in forced and quiet inhalation.
They are involved in expansion of ribs and the chest cavity and originate from ribs.
The internal intercostal muscles are involved in forced exhalation but they depress the ribs and decrease space in the chest cavity.
Learn more about External intercostal muscles, here:
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