A Systematic Relationship Between Two Variables in Which a Change

question 16

Multiple Choice

A systematic relationship between two variables in which a change in one implies a corresponding change in the other is called ________.

• A) causation
• B) analysis of variance
• C) covariance
• D) deviation
• E) standard deviation

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Definitions:

Trophic Levels

Refers to the hierarchical levels in an ecosystem, categorized by how energy is obtained, ranging from producers to primary consumers and up to apex predators.

Carnivore

An animal that mainly feeds on other animals; a mammal belonging to order Carnivora (e.g., wolves or seals).

Photosynthetic Organisms

Organisms capable of photosynthesis, a process that converts light energy into chemical energy, sustaining the food chain.

Autotroph

An organism that synthesizes complex organic compounds from simple inorganic raw materials; also called producer or primary producer. Compare with heterotroph. See chemoautotroph and photoautotroph.