Answer:
Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism, while multicellular organisms use many different cells to function. Unicellular organisms include bacteria, protists, and yeast.
Multicellular organisms are composed of more than one cell, with groups of cells differentiating to take on specialized functions. In humans, cells differentiate early in development to become nerve cells, skin cells, muscle cells, blood cells, and other types of cells. One can easily observe the differences in these cells under a microscope. Their structure is related to their function, meaning each type of cell takes on a particular form in order to best serve its purpose. Nerve cells have appendages called dendrites and axons that connect with other nerve cells to move muscles, send signals to glands, or register sensory stimuli. Outer skin cells form flattened stacks that protect the body from the environment. Muscle cells are slender fibers that bundle together for muscle contraction.
Explanation:
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The answer is life. It is because operant conditioning is used everyday on young children's life as this enables them to behave in a way their behavior is being shaped and controlled as show reinforcements such as positive or negative in terms of behavior-- this is needed, in order for a child to know where his or her behavior stands and the consequences it leads to.
A volunteer helps others without pay.
Answer:
Split-half Method.
Explanation:
Split half test is the method to assess the reliability of internal consistency.
Split-Half method is a reliability test in which to gain insight about a single knowledge, the test is divided into two parts. Then two groups of students or people are required to participate in the test at the same time. The scores of both the groups are assessed. A test that have high correlation suggests the reliability and will reveal how well or poorly the students will perform in the test.
<u>In the given case, Chan has divided the test questions into five questions each for two groups, to check the reliability of instrument. The results of both the test are assessed with the hope that they have similar results. This is the method of testing reliability with the split-half method</u>.
So, the correct answer is split-half method.
The answer is Variable
Explanation: A variable is a quantity or a number that can vary or take on different values.
The variable is normally represented as a letter, in this case this number is represented as a "A".
The result of the variable focus on the experiment or the study.
There are three types of variable: independent, dependent, and controlled.
