Multiple Choice
Which of the following best describes the primary focus of biology as a scientific discipline?
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1. Introduction to Biology
Introduction to Biology
Multiple Choice
Which of the following statements about the water cycle is INCORRECT?
A
Evaporation and precipitation are key processes in the water cycle.
B
Plants contribute to the water cycle through transpiration.
C
Living organisms do not play a role in the water cycle.
D
Animals return water to the environment through respiration and excretion.
Verified step by step guidance1
Step 1: Begin by understanding the water cycle, which is the continuous movement of water on, above, and below the surface of the Earth. Key processes include evaporation, condensation, precipitation, infiltration, runoff, and transpiration.
Step 2: Analyze the role of living organisms in the water cycle. Plants contribute through transpiration, where water evaporates from their leaves. Animals contribute by returning water to the environment through respiration and excretion.
Step 3: Evaluate the statement 'Living organisms do not play a role in the water cycle.' This statement is incorrect because both plants and animals actively participate in the water cycle through processes like transpiration, respiration, and excretion.
Step 4: Compare the other statements provided in the problem. 'Evaporation and precipitation are key processes in the water cycle' and 'Animals return water to the environment through respiration and excretion' are correct descriptions of the water cycle.
Step 5: Conclude that the incorrect statement is 'Living organisms do not play a role in the water cycle,' as living organisms are integral to the water cycle through their biological processes.
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