What is typically the first step in the scientific method?
A. Carrying out an experiment
B. Making a prediction
C. Making an observation
D. Developing a hypothesis
Answer: C
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The skeletal muscle that flexes (bends) the forearm after pronation (palm down position as in a pull-up) is the brachialis. Its origin is the humerus, and the insertion is the upper front of the ulna. Identify the class of lever involved and explain why you made this choice.
What will be an ideal response?
The ability of the human body to maintain a relatively constant internal environment is known as ________
A) homeostasis B) stabilization C) positive feedback D) regulation
Which structure gives rise to lateral roots?
A. Endodermis B. Cortex C. Epidermis D. Pericycle E. Pith
Which of the following should determine whether an individual should join a group?
a. The individual is social and enjoys being around other individuals. b. The individual is affected by parasitism. c. The individual's fitness is improved when living in a group. d. The individual is in competition with others for food.