3.10 - Mid Unit Assessment 1

Which shows the correct levels of organization from smallest to largest?

• atom, molecule, cell, organ, organ system, organism

• organism, cell, atom, molecule, organ, organ system

• atom, organism cell, organ, organ system, molecule

• organism, cell, organ, molecule, atom, organ system

Which shows the correct levels of organization from smallest to largest?

• population, organism community, ecosystem, biosphere

• organism, population, community, ecosystem, biosphere

• biosphere, ecosystem, community, population, organism

• organism, biosphere, community, ecosystem, population

The two types of feedback systems that help organisms maintain homeostasis are:

• positive and negative 

• receptor and effector

• static and dynamic

• minor and major

In a positive feedback loop, each action creates a consequence that _____________________ the other action

• decreases

• has no effect on

• increases

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

• Insulin release

• Glucagon release

• Insulin uptake

• Glycogen uptake

In a negative feedback loop, what is the response?

• It continues to increase.

• It decreases until it resumes its normal state.

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

• It increases or decreases to bring the body back to normal state

When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels. 

• Positive Feedback Loop

• Negative Feedback Loop

What is the skeletal system responsible for?

• helping your body to breathe

• provide support for the body

• provide energy for the body

• eliminate waste from the body

Name the bone labelled as number 3.

• Femur

• Radius

• Ulna

• Humerus

Name the highlighted bone

• Humerus

• Tibia

• Radius

• Ulna