Multiple Choice
Fungi have formed mutualistic symbioses with which of the following?
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29. Fungi
Fungi
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Which statement best compares the mode of nutrition in fungi to that of other organisms?
A
Fungi ingest their food internally like animals before digesting it.
B
Fungi obtain energy exclusively through chemosynthesis, similar to some bacteria.
C
Fungi are heterotrophs that absorb nutrients from their environment, unlike plants which are autotrophs that produce their own food through photosynthesis.
D
Fungi are autotrophs like plants, using sunlight to synthesize organic molecules.
Verified step by step guidance1
Step 1: Understand the concept of heterotrophs and autotrophs. Heterotrophs are organisms that obtain their energy by consuming organic material from their environment, while autotrophs produce their own food, typically through photosynthesis or chemosynthesis.
Step 2: Recognize the mode of nutrition in fungi. Fungi are heterotrophs, meaning they do not produce their own food like plants. Instead, they absorb nutrients from their surroundings, often by secreting enzymes to break down organic matter externally.
Step 3: Compare fungi to animals. Unlike animals, fungi do not ingest food internally. Instead, they digest food externally and absorb the resulting nutrients.
Step 4: Compare fungi to plants. Plants are autotrophs that use sunlight to synthesize organic molecules through photosynthesis, whereas fungi rely on external sources of organic material for energy.
Step 5: Eliminate incorrect statements. Fungi do not use chemosynthesis like some bacteria, nor are they autotrophs like plants. The correct comparison is that fungi are heterotrophs that absorb nutrients from their environment, unlike plants which are autotrophs.
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