How Does Phosphorus Normally Enter Ecosystems

question 43

Multiple Choice

How does phosphorus normally enter ecosystems?

• A) cellular respiration
• B) photosynthesis
• C) rock weathering
• D) vulcanism
• E) atmospheric phosphorous gas

---

Definitions:

Motor Development

The progression of muscular coordination, strength, and movement patterns in children and adolescents.

Maturation

The process of development in which an individual matures or reaches full functionality.

Imprinting

The process by which certain animals form strong attachments during early life.

Critical Period

A particular period in development where learning specific skills or abilities is easiest.