Oats are eaten by humans as oatmeal or rolled oats, and as feed for livestock such as cattle. In order for an oat plant to make the part we eat (the seed), it must flower and be pollinated. Typically, oat plants flower when days are lengthening (i.e., late spring to early summer). What is the best classification for oat plants?

Plant respiration occurs in

a. chloroplasts. b. mitochondria. c. the surrounding air. d. More than one answer is correct.

Which of the following is not a physical method of microbial control?

a. filtration b. radiation c. hot or cold temps d. antibiotics

________ make(s) up more than half the volume of the brain.

A. Intercalated disks B. Neurons C. Neuroglia D. Hyaline cartilage E. Nerves

During gastrulation in sea urchins, which forms first, the mouth or the anus?

What will be an ideal response?