The Planet Earth

question 46

Multiple Choice

The planet Earth

• A) has retrograde motion.
• B) is the closest planet to Venus.
• C) is the smallest of the terrestrial planets.
• D) has a unique circular orbit.

---

Definitions:

Nutrient Relationships

The interactions and balance between nutrients within an ecosystem, crucial for the health and growth of plants and animals.

Allelic Frequencies

The relative frequencies of different alleles of a gene in a population, which can change over time due to natural selection, mutation, or genetic drift.

Genetic Expressions

The process by which information from a gene is used in the synthesis of a functional gene product, like a protein.

Allelic Frequencies

The relative frequencies of different alleles of a particular gene within a population, which can change over time due to evolutionary pressures.