The Amniotic Egg Was a Key Adaptation Allowing Vertebrates to Make

question 39

Multiple Choice

The amniotic egg was a key adaptation allowing vertebrates to make the transition to life on land where diffusion to/from a watery environment could not allow a developing embryo to meet its metabolic needs. Its three membranes are the _____, which surrounds the embryo in a watery sac; the _____, which sequesters metabolic waste away from the developing embryo; and the _____, which surrounds the embryo and other sacs.

• A)amnion; chorion; allantois
• B)chorion; amnion; allantois
• C)chorion; allantois; amnion
• D)amnion; allantois; chorion
• E)allantois; chorion; amnion

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Definitions:

Commodity Futures

Financial contracts obligating the buyer to purchase an asset or the seller to sell an asset, like a physical commodity or a financial instrument, at a predetermined future date and price.

Interest Rate Parity

A financial theory which suggests that the difference in interest rates between two countries is equal to the expected change in exchange rates between their currencies.

Arbitragers

Traders who buy and sell assets, such as stocks or commodities, in different markets or forms to profit from differing prices for the same asset.

Risk-Free Profits

Profits made from an investment that is considered to have no risk of financial loss.