In an Experiment, a Researcher Manipulates One Variable to See

question 60

Multiple Choice

In an experiment, a researcher manipulates one variable to see how it affects a second variable. The manipulated variable is called the ________.

• A) independent variable
• B) experimental variable
• C) dependent variable
• D) placebo

---

Definitions:

Dense Irregular Connective Tissue

A type of connective tissue with collagen fibers arranged in a disorganized and irregular manner, providing strength and elasticity in multiple directions.

Collagen And Elastin

Proteins found in connective tissues where collagen provides strength and elastin allows stretch and elasticity.

Extracellular Matrix

A complex network of proteins and carbohydrates that surrounds and supports cells within tissues.

Nervous Tissue

A type of tissue in animals that is specialized for the transmission of electrical impulses and communication throughout the body.