Photoautotrophs Use

question 49

Multiple Choice

Photoautotrophs use

• A) light as an energy source and CO₂ as a carbon source.
• B) light as an energy source and methane as a carbon source.
• C) N₂ as an energy source and CO₂ as a carbon source.
• D) CO₂ as both an energy source and a carbon source.
• E) H₂S as an energy source and CO₂ as a carbon source.

---

Definitions:

HIV Transmission

The process by which the Human Immunodeficiency Virus (HIV) is spread from one person to another, commonly through unprotected sexual contact, sharing needles, or from mother to child during birth or breastfeeding.

Breast-Feeding

The act of feeding a baby with milk directly from the breast, providing nutritional and immune support to the infant.

Immunization

The process by which an individual's immune system becomes fortified against an agent known as the immunogen.

Low Birth Weight

A term used to describe babies born weighing less than 2,500 grams (5 pounds, 8 ounces) which can lead to various health issues.