Multiple Choice
Which of the following best describes an estuary?
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1. Introduction to Biology
Introduction to Biology
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Which of the following is a primary reason why birds such as eagles and hawks require energy?
A
To power flight and hunting activities
B
To produce chlorophyll for photosynthesis
C
To synthesize cellulose for their cell walls
D
To absorb nutrients directly from sunlight
Verified step by step guidance1
Step 1: Begin by identifying the biological processes mentioned in the options. For example, photosynthesis and cellulose synthesis are processes associated with plants, not animals like birds.
Step 2: Understand the energy requirements of birds. Birds, especially eagles and hawks, are highly active animals that rely on energy for activities such as flight and hunting.
Step 3: Recall that birds are heterotrophs, meaning they obtain energy by consuming food rather than producing it through photosynthesis or absorbing nutrients directly from sunlight.
Step 4: Eliminate options that are not relevant to birds. For instance, birds do not produce chlorophyll or synthesize cellulose, as these are plant-specific processes.
Step 5: Focus on the correct biological function of energy in birds, which is to support their high-energy activities like flight and hunting. This aligns with their metabolic needs and lifestyle.
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