The endosymbiotic hypothesis concerns the origin of mitochondria and chloroplasts, two organelles contained within various eukaryotic cells. According to this hypothesis, these organelles originated as separate prokaryotic organisms that were taken inside a primordial eukaryotic cell.
Answer:
A. Primary dimensions are less changeable, while secondary dimensions can change and are less visible.
Explanation:
The differences between primary and secondary dimension of diversity are as follows -
A) Primary Dimension
a) Primary dimension are those which are salient and hence they cannot change
b) Some common examples of primary dimensions are - ethnicity, sexual orientation, ethnicity, gender, race, physical abilities/qualities, age etc.
A) Secondary Dimension
a) Secondary dimension are not only limited to specific features and hence they can change with time.
b) Some common examples of secondary dimension are - geographic location, marital status, parental status. work experiences, educational background, income,military experience, religious beliefs, etc.
Hence, option A is correct
Motor unit refers to the functional element of muscle contraction during an exertion. There are two basic types of motor unit: large and small motor units. During low to moderate level exercise, small motor units are activated. Small motor units are recruited during sustained activity; is made up of high proportion of type 1 muscle fibers, which are resistant to fatigue
<span>Squealer reads the data to prove to them that there is really more food than before. They say that everything is better and the production of food has increased by 200%, 300% or 500%. The animals believed him, especially they could no longer remember the conditions before the Rebellion.<span>
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Answer:
Traits.
Explanation:
Traits in an organism are controlled by the genes. These genes are made up of DNA that is responsible for the unique appearance of the organisms. Some organisms are different from one another because of the DNA that helps the to perform different functions. In the DNA, all information is present about form and structure of the organisms so that's why we can say that traits or characteristics are controlled by genes.