The Spiracle in Conjunction with a Ventral Gill in Skates

question 4

Multiple Choice

The spiracle in conjunction with a ventral gill in skates and rays is an adaptation that allows them to:

• A) be nekton.
• B) have a bottom existence.
• C) position their mouth ventrally.
• D) avoid detection by predators.
• E) filter feed on plankton.

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Definitions:

Strike Call

A term likely meant to be "Call Strike Price," which is the set price at which an option holder can buy an underlying asset.

Interest Rate

Interest Rate is the cost of borrowing funds or the return on investment for savings, expressed as a proportion of the principal, usually displayed on an annual basis.

Expiration

The point in time when a financial contract such as an option or futures contract ceases to exist.

Interest Rate

The amount charged, expressed as a percentage of principal, by a lender to a borrower for the use of assets.