The Organism -

Actions like bird migration or nocturnal hunting.

Every organism is a product of . They possess Adaptations —inherited traits that increase their chances of survival.

Internal processes like a snake producing venom or a human sweating to cool down. 5. The Organism and the Environment The Organism

This guide breaks down —the fundamental unit of life—from its basic building blocks to how it survives in a complex world. 1. What Defines an Organism?

Physical features like a turtle's shell or a cactus's spines. Actions like bird migration or nocturnal hunting

Single-celled, often found in extreme environments like hot springs or salt lakes.

Single-celled, no nucleus (Prokaryotes). Found everywhere from soil to your gut. Internal processes like a snake producing venom or

Energy enters the system via the sun (plants), moves through consumers (animals), and is recycled by decomposers (fungi).