Biology AS Unit 2 Key Terms

KEY TERMS YOU NEED TO KNOW BY HEART FOR THE UNIT 2 EDEXCEL EXAM

SPECIES-A species is a group of organisms with similar morphology, physiology and behaviour, which can interbreed to produce a fertile offspring and are reproductively isolated form other species.

• Morphology- structures of an organism
• Physiology- the inside of an organism 
• Behaviour- how an organism acts

HABITAT- A place where an organism lives.

POPULATION- A group of interbreeding individuals of the same species found in an area.

COMMUNITY- Various populations in an area.

NICHE- How an organism exploits its its environment.

TYPES OF ADAPTATIONS

• BEHAVIOURAL ADAPTATION- Any actions that help an organism to survive or reproduce.
• PHYSIOLOGICAL ADAPTATIONS- The features of the internal working organism that enable it to survive or reproduce.
• ANATOMICAL ADAPTATIONS- Structures we…