Multicellular Organisms Must Keep Their Cells Awash in an "Internal

question 37

Multiple Choice

Multicellular organisms must keep their cells awash in an "internal pond" because

• A)feedback signals cannot cross through the interstitial fluid.
• B)cells need an aqueous medium for the exchange of nutrients, gases, and wastes.
• C)this prevents the movement of water due to osmosis.
• D)cells need to be protected from nitrogen gas in the atmosphere.
• E)terrestrial organisms have not adapted to life in dry environments.

---

Definitions:

Chain Reaction

A sequence of reactions where a reactive product or by-product causes additional reactions to take place, often leading to a self-sustaining series.

Innovation Lagged

The delay or slow pace in the development and adoption of new technologies, products, or processes.

Centrally Planned Economies

Economies in which the government makes all decisions about the production and distribution of goods and services.

Production Targets

Objectives set by a company to manufacture and produce a certain amount of goods within a specific timeframe.