Which of the following is an example of qualitative data?
a. a solution contains copper ions
b. a plant has five flowers
c. a solar system has nine planets

What will happen to a population of predators if there is a sudden, temporary increase in the number of prey? a. the population of predators will be uniform with no change. b. the population of predators will increase first and then decrease slowly. c. the population of predators will increase continuously.

Drag the correct tiles to the image. not all tiles will be used. the diagram is a schematic representation of the electron transport mechanism in mitochondria. label the diagram to complete the model.

What is the next step in muscle contraction after the actin changes shape? (apex)