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Biology Quiz: Fungi and Octopus

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Questions and Answers

What is the correct plural of octopus?

Octopoidi
Octopuses (correct)
Octopi
Octopies

What characteristic of fungi allows them to acquire more material from their surroundings?

Low surface-to-volume ratio
Large cell size
High surface-to-volume ratio (correct)
Thin cell membrane

What is the main concern for grape farmers who use gaseous fungicides to control pathogenic fungi?

Lichens growing on the vines' branches are harmed
The sheeting is not transparent, preventing photosynthesis
Fungicide is not effective against pathogenic fungi
Fungicide might also kill the native yeasts residing on the surfaces of the grapes (correct)

What is the term for the filamentous mats formed by most fungi?

Mycelia (D) Signup and view all the answers

What is a characteristic of all fungi?

Heterotrophic (A) Signup and view all the answers

What is the term for the symbiotic relationship between fungi and the roots of grape vines?

Mycorrhizae (D) Signup and view all the answers

What is the basic structure of fungi formed by?

Hyphae (D) Signup and view all the answers

What is an adaptive advantage associated with the filamentous nature of fungal mycelia?

An extensive surface area well suited for invasive growth and absorptive nutrition (D) Signup and view all the answers

What explains how mycorrhizal fungi are more efficient than plants at acquiring mineral nutrition from the soil?

Hyphae have a higher surface area-to-volume ratio than plant roots and fungi secrete extracellular enzymes that can break down large molecules. (A) Signup and view all the answers

What is the first event that occurs when two different fungi meet and decide to have sex?

Fusing of the cytoplasm of the two different fungi (plasmogamy) (B) Signup and view all the answers

What is the evolutionary explanation for the presence of chitin in fungi and arthropods?

Convergent evolution (A) Signup and view all the answers

What is a characteristic that is unique to animals?

Nervous system (A) Signup and view all the answers

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