If your skin swells up from a splinter, or puss forms in a cut, your system is working to treat the area. a. circulatory b. excretory c. immune d. digestive

Some plants rely on the wind to reproduce an example is it’s important for plants to use the forces of nature to reproduce because 1. 1a white tuft of dandelion seeds 2a spiked burrs surrounding seeds 3a hard shell on a walnut? 2. 1b require pollination to reproduce 2b reproduce only asexually 3b cannot move about freely?

Construct at least two possible hypotheses for the student’s experiment.

What processes would you expect to be key in the production of yogurt ?