Biology O Level 5090 Notes -

Introduction to Biology Definition: Biology is the study of living organisms and their interactions with the environment.

– Genetic makeup (e.g., Tt) Phenotype – Physical appearance (e.g., tall) biology o level 5090 notes

Producer → primary consumer → secondary consumer → tertiary consumer Example: Grass → rabbit → fox Introduction to Biology Definition: Biology is the study

– Always expressed if present Recessive allele (t) – Only expressed if two copies present Tt) Phenotype – Physical appearance (e.g.