What Key Factor Limits the Number of Trophic Levels in an Ecosystem

question 65

Multiple Choice

What key factor limits the number of trophic levels in an ecosystem?

• A) maximum solar radiation
• B) energy loss
• C) herbivore size
• D) predator size
• E) climate

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Definitions:

Centrifuge

A machine that spins samples at high speed to separate substances of different densities.

Hematocrit

Hematocrit is a blood test measure that indicates the proportion of blood volume occupied by red blood cells, crucial for diagnosing anemia or polycythemia.

Hematocrit

The proportion of blood volume that is occupied by red blood cells, a crucial measurement in diagnosing and managing various medical conditions.

Erythrocytes

Red blood cells that are responsible for carrying oxygen from the lungs to all parts of the body and returning carbon dioxide to the lungs for exhalation.