The Earth's Biosphere

question 98

Multiple Choice

The Earth's biosphere

• A) consists of only terrestrial organisms, while the hydrosphere includes aquatic and marine organisms.
• B) only includes the biotic components of an ecosystem, with the abiotic components being considered part of the lithosphere, hydrosphere, or atmosphere, respectively.
• C) is more a theoretical construct than an observable sphere of study.
• D) extends from the ocean floor to an altitude of approximately 8 km (5 mi) into the atmosphere.

---

Definitions:

Eczema

A medical condition that causes the skin to become inflamed or irritated, characterized by itchiness, red skin, and a rash.

Eccrine Sweat Glands

Specialized sweat glands that help regulate body temperature through the release of a water-based secretion.

Watery Sweat

Sweat that is more liquid in consistency, often produced in higher volumes in response to heat, exercise, or stress.

Sweat With A High Amount Of Protein

Sweat that contains an unusually high concentration of proteins, which could indicate a medical condition.