Which category does an apple on a tree belong in?

• biotic
• abiotic

Which category does bacteria belong in?

• organic
• inorganic

How would you classify rust "eating" a hole in a metal bucket?

• biotic
• abiotic

Please select the answer that represents: a sudden drop in air temperature

• stimulus
• response

Please select the answer that represents: increasing in body temperature after being diagnosed with the flu

• stimulus
• response

Please select the answer that represents: a bruise developing after an injury

• stimulus
• response

Please select the answer that represents: your mouth watering at the sight of food on a plate

• stimulus
• response

Please select the answer that represents: a bell ringing at 12:15 pm to indicate recess

• stimulus
• response

Please select the answer that best describes which life function is being discussed here: Your pupils dilate when a room gets dark.

• regulation
• transport
• excretion
• synthesis
• nutrition

Please select the answer that best describes which life function is being discussed here: Bryan cut himself while shaving and the bleeding stopped, without a bandaid, approximately 15 minutes later.

• regulation
• transport
• excretion
• synthesis
• nutrition