The prepared petri dishes that Kathy used contain sugar. Why do you think petri dishes contain sugar?

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

Mrna decodes information from the original dna master plan to build proteins in the during the process of ribosomes.

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity