Honors Bellwork 10/31 homeostasis and feedback loops

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

This cell organelle helps organisms maintain homeostasis by controlling what substances may enter or leave cells.

• vacuole
• nucleus
• cell membrane
• cell wall

What is homeostasis?

• How the body releases oxygen
• Passive transportation 
• How the body regulates itself for survival
• Active transport

Tags

NGSS.HS-LS1-3

In this body temperature feedback loop, predict what would happen if cooling mechanisms were NOT activated?

• The body would not warm up.

• The body would not cool down.

• Your body would get colder and colder.

• Your body would release lots of heat.

According to the feedback loop, what does high blood sugar promote?

• Insulin Release

• Glucagon Release

• Insulin Uptake

• Glycogen Uptake

Tags

NGSS.HS-LS1-3

Detects change and sends a message to the control center

• receptor

• control center

• effector

• regulation

Tags

NGSS.MS-LS1-8

The "effect" of a given stimulus is the...

• response
• stimulus
• cause
• result

Tags

NGSS.MS-ESS2-5

NGSS.MS-LS1-5

In a negative feedback loop, what happens to a variable (like temperature) when it increases past its normal state?

• It continues to increase.

• It decreases until it resumes its normal state.

• It decreases until it is lower than its normal state.

• It does not change.

Tags

NGSS.HS-LS1-3

Which of the following best describes the result of positive feedback in a system?

• The system changing further in the same direction

• The system remaining stable

• The system changing in the opposite direction

• The system remaining unchanged

Tags

NGSS.HS-ESS3-5

Which of the following is an example of a response to a stimulus in living organisms?

• A plant bending towards light

• Cells dividing to form new cells

• Organisms growing larger over time

• Animals migrating to warmer climates

Answer explanation

A plant bending towards light is a clear response to a stimulus (light), demonstrating phototropism. This behavior shows how living organisms react to environmental changes, unlike the other options which describe growth or reproduction.

Tags

NGSS.MS-LS1-8