Choose the True Statements About the Evolution of Larval Dispersal

question 43

Multiple Choice

Choose the true statements about the evolution of larval dispersal in marine snails.

• A)The evolution of non-dispersing snails is likely to hinder speciation.
• B)Clades of non-dispersing snails are less species rich than those of dispersing snails.
• C)Loss of structures in the transition from dispersing to non-dispersing may inhibit evolutionary reversal.
• D)Possession of dispersing larvae is the ancestral state in snails.
• E)Cladistics shows that there are more instances of the transition from dispersing to non-dispersing larvae than the reverse.

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Definitions:

Cost of Goods Sold

The direct costs attributable to the production of the goods sold by a company, including materials and labor costs.

Predetermined Rate

An estimated rate used to apply manufacturing overhead costs to products, calculated before the actual overhead costs are known.

Direct Labour Cost

The expense associated with workers who are directly involved in the production of goods or services, distinguished from indirect labor costs like supervision and maintenance.

Predetermined Overhead Rate

An estimated charging rate used to apply manufacturing overhead costs to produced units, based on a selected activity base.