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question 61

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For several decades now, amphibian species worldwide have been in decline. A significant proportion of the decline seems to be due to the spread of the chytrid fungus, Batrachochytrium dendrobatidis (Bd) . Chytrid sporangia reside within the epidermal cells of infected animals, animals that consequently show areas of sloughed skin. They can also be lethargic, which is expressed through failure to hide and failure to flee. The infection cycle typically takes four to five days, at the end of which zoospores are released from sporangia into the environment. In some amphibian species, mortality rates approach 100%; other species seem able to survive the infection.
Sexual reproduction has not been observed in Bd. If its morphology and genetics did not identify it as a chytridiomycete, then to which fungal group would Bd be assigned?

Definitions:

PERT

An acronym for Project Evaluation and Review Technique, a project management tool used to plan, schedule, and control large projects.

Performance Milestone

Specific goals or targets reached in the progression of a project or performance of an individual or team, marking significant achievements or stages of development.

Variable Costs

Costs that change in proportion to the level of output or activity in a business.

Fixed Costs

Expenses that do not change with the level of production or sales, such as rent, salaries, and insurance premiums, remaining constant regardless of business activity levels.