True or false? The more similar two organisms are, the more distant their common ancestor is.

Compare Prokaryotic cells and Eukaryotic cells.

Which of the following organisms would you expect to have the largest surface-area-to-volume ratio? Assume that all of the following are the same total length. A) a mollusk B) an annelid C) an arthropod D) a platyhelminth

Describe diffusion using the words concentration and concentration gradient.

3. Dragon fly and bat use wings for flying Are these two organs analogous or homologous Support your answer.

How does dna determine traits?

Student A told Student B that his ears are the most lateral structures on his head. Student B corrected Student A and said that his ears are actually bilateral structures. Which student is correct, and why

These are harmful greenhouse gases that can destroy good ozone and were once found in hairsprays, refrigerators, and air conditioners. Question 4 options: chloroflorocarbons carbon dioxide ozone methane

What can be done to improve soil fertility? A adding fertilizers to the soil B planting legumes C leaving crops unplanted for a season D all of these

cancer cells not only appear different for normal cells, but they also divide more rapidly. Why do you think chemotherapy, a common treatment for cancer, results in the loss of hair?

In which of the following ways do animals get the water that they need to survive?