Answer:
Cells
Explanation:
Based on the information provided within the question it can be said that the smallest living unit known to man is called a cell. In the context of Biology, this is considered the basic building block of all living things, from microscopic single-celled organisms to the human body which contains trillions of cells which make up our whole body.
Answer:
experimental
Explanation:
Experimental design: In research methods, the experimental design is referred to as a specific way of designing an experiment by a researcher to get valid as well as objective results. It refers to a collection of various research designs that is responsible for using controlled testing and the manipulation procedure to get knowledge of the causal processes. In most of the experimental design, one or more than one variables are being manipulated to know its effect on the dependent variable.
In the question above, the given statement signifies the use of the experimental design.
The fact that Dr. Perez's research examines cognitive changes that occur as people progress from young adulthood to late adulthood means that Dr. Perez is a developmental psychologist. The developmental psychologits stuidies how and why human beings change (<span>intellectual and cognitive changes) and develop </span>over the course of their life
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