Passive transport is the act of a molecule moving freely down its concentration gradient. true or false

When is a embryo is called a fetus?

Explain the distribution of life in an aquatic system

In which of the following ways does the body respond to an increase in skeletal muscle cell activity? by increasing the respiratory rate by increasing the heart rate by converting white bloods cells to red blood cells by producing less hemoglobin

What type of stimulus is an allergen such as pollen? response to a stimulus external stimulus internal stimulus inborn stimulus

Describe the two Pathways of visual information ( movement and identity). Be sure to include names of structures, types of information conveyed, and what happens when that Pathways disrupted.

Bones, joints, ligaments, and cartilage are parts of the a) refrigerator b) muscles c) skeleton

Chloroplasts cannot move on their own. How do they move around the cell?

What causes leaves to dry out

And increase in food and a decrease in predators would most likely

Which would provide the body with the most energy? a. Carrying oxygen from the lungs to the cells b. Breaking the bonds in a disaccharide c. Breaking a single carbon bond d. Creating bonds to make a simple sugar