Answer:
What is the function of the structure identified by the red arrow?
a. mobility
b. protection
c. reproduction
d. dna transfer
the answer is a mobility or more rightly placed motility
Explanation:
A flagella is a lash like appendage that protrudes from the cell body of certain bacteria and eukaryotic cells termed as flagellates. a flagellate can have one or several flagella. the primary function of a flagellum is that of locomotion but it can alo function as a sensory organelle, being sensity to chemicals and temperatures outside the cell. the similar structure in the archaea function in the same way but it is structurally different and has been called archaellum.
Answer:
a.
Explanation:
The validity of a personality test is best indicated by the correlation between test scores and some other relevant measure. This is because, like any other test, the validity of something is determined by whether or not the test actually measures what is is meant to measure correctly. Therefore to determine the validity of the personality test, test scores must be compared alongside another type of measurement regarding personality.
Answer:
B.
Explanation:
John Kennedy was the 35th President of the United States. On June 11, 1963, he delivered a speech over television and radio addressing the problem of racial inequality. Kennedy supported desegregation and civil rights. In his speech, he proposed the legislation which was later formed as the Civil Rights Acts of 1964.
<u>In the given excerpt, Kennedy is addressing the problems of segregation and discrimination uproaring in many cities of the United States. The phrase 'rising tide of discontent' is used to refer to the difficulties and problems being faced by people because of segregation and discrimination</u>.
Thus the correct answer is option B.
<span>He would be called an ecologist. And the study of ecosystems is called ecology
</span>
Answer:
The study described above is an observational study.
Explanation:
The main difference between an observational study and an exepriment, is that in an experiment there is a manipulation of one or more variables, this usually happens in a controled environment. In an observational study, the conditions of the research subjects are not meant to be altered but only observed, surveys and interviews are common research techinques used for this purpose.
The example above is describing an observational study since there is no manipulation of variables, only a survey that aimes to understand the factors that influence the dependent variable, that in this case is anxiety.
