Multiple Choice
Which characteristic best indicates that the organism in question is a fungus, not a plant?
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1. Introduction to Biology
Introduction to Taxonomy
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In the context of taxonomy, how are diatoms primarily classified based on their mode of nutrition?
A
Autotrophs
B
Obligate parasites
C
Chemoheterotrophs
D
Heterotrophs
Verified step by step guidance1
Understand the concept of taxonomy: Taxonomy is the scientific classification of organisms into groups based on shared characteristics. In this case, the classification is based on the mode of nutrition.
Review the modes of nutrition: Autotrophs produce their own food using light or chemical energy (e.g., photosynthesis). Obligate parasites depend entirely on a host for survival. Chemoheterotrophs obtain energy by consuming organic compounds. Heterotrophs rely on consuming other organisms for energy.
Identify the characteristics of diatoms: Diatoms are a type of algae that contain chlorophyll and perform photosynthesis, which allows them to produce their own food using sunlight.
Match diatoms to the correct mode of nutrition: Since diatoms perform photosynthesis, they are classified as autotrophs, organisms that produce their own food using light energy.
Conclude the classification: Based on their ability to photosynthesize, diatoms are primarily classified as autotrophs in taxonomy.
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