What evidence from the Arctic shows the ocean has a significant influence on climate change?

You are studying a new species of eukaryotic microorganism, and observe by microscopy that its nucleus contains exactly 2 linear chromosomes.

What trait of chloroplasts leads scientists to believe they were once independent microbes?

Carbon is found in organic molecules

What steps does the cell take to speed the rate of dna replication? (this is middle school science)

Why are there photosynthetic pigments other than chlorophylls?

What three steps can you take to insure both accurate and precise measurement

Plant cells have unique characteristics which distinguish them from other cells. Which of the following is characteristic of plant cells, but not animal cells? a. Vacuoles c. Nucleus b. Mitochondria d. Cell walls

What is the function of the nervous system?

5. Tactile receptors are especially abundant A. in the feet. B. in the face. C. in the lips. D. around the heart.

True or False: When using motion maps, we can describe the motion of an object as moving in a positive, or a negative, direction. True False