8-2 What are the needs of organisms?
Aim: What are the needs of organisms?
OBJECTIVE: Identify and describe the needs of living things.
Key Terms
autotroph: (AW-toh-trahf): organism that can make its own food
heterotroph (HEHT-uh-roh-trahf): organism that cannot make its own food
homeostasis (hoh-mee-oh-STAY-sihs): process of keeping conditions inside a body constant, no matter
the conditions outside the body
Lesson Summary
• All organisms need energy to grow and survive.
• All organisms need food, water, and oxygen.
• Organisms need a proper temperature to carry out life processes.
• All organisms need living space.
OBJECTIVE: Identify and describe the needs of living things.
Key Terms
autotroph: (AW-toh-trahf): organism that can make its own food
heterotroph (HEHT-uh-roh-trahf): organism that cannot make its own food
homeostasis (hoh-mee-oh-STAY-sihs): process of keeping conditions inside a body constant, no matter
the conditions outside the body
Lesson Summary
• All organisms need energy to grow and survive.
• All organisms need food, water, and oxygen.
• Organisms need a proper temperature to carry out life processes.
• All organisms need living space.