A Scientist Is Given a Sample of Earth and Discovers

question 26

Multiple Choice

A scientist is given a sample of earth and discovers that it is almost entirely iron. This sample most likely came from the _____.

• A) core
• B) outer mantle
• C) inner mantle
• D) asthenosphere
• E) lithosphere

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Definitions:

Population Increases

Refers to the growth in the number of individuals in a population over time.

Tree Base

The bottom part of a tree, including the roots and the lower trunk, crucial for stability and nutrient absorption.

Homoplasy

Homoplasy describes a character state similarity not due to shared descent (for example, produced by convergent evolution or evolutionary reversal).

Orthologs

Genes in different species that evolved from a common ancestral gene and retain the same function.