Post break review

What is the original source of almost all energy in most ecosystems?

• carbohydrates
• sunlight
• water
• carbon

What type of gas is required for photosynthesis?

• O₂

• CO₂

What is the energy that is produced through cellular respiration?

• CTP

• ATP

• Light Energy

• Glucose

What gas is produced during photosynthesis?

• CO₂

• O₂

The process of taking in and breaking down food into more usable parts is known as

• digestion
• respiration
• ingestion
• excretion

The tendency of an organism to maintain a stable internal environment or "steady state" is called

• homeostasis
• regulation
• metabolism
• excretion

The nonliving aspects of an ecosystem.

• Abiotic factors
• Biotic factors

The living portions of the ecosystem.

• Biotic factors
• Abiotic factors

Water temperature would be an example of ...

• A biotic factor
• An abiotic factor

The clear, jelly-like material in a cell that supports and protects the cell’s organelles.

• Cytoplasm
• Cell Membrane
• Nucleus
• Mitochondria