The Concept That Defines a Fossil Species Based on the Degrees

question 46

Multiple Choice

The concept that defines a fossil species based on the degrees of morphological difference that can be calculated between living species is called the

• A) breeding group concept.
• B) phylogenetic species concept.
• C) phenetic fossil species concept.
• D) biological species concept.

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Definitions:

Thymus

An organ located near the heart that secretes thymosin and thus processes and activates T-cells.

Allergic Reactions

Adverse and sometimes severe responses of the immune system to foreign substances, such as certain foods, pollen, or medications.

Immune System Reaction

The response of the immune system to foreign substances or pathogens, aiming to protect the body from infection or disease.

Viruses

Microscopic infectious agents that can only replicate inside the living cells of an organism and are capable of causing diseases.