3. Which is NOT an example of a vestigial
structure? sc.7.L.15.1
A eyes of blind salamander
® pelvic bones in a whale
© thorns on a rose bush
0 wings on a flightless bird
4. Which best describes a diagram of

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

The picture shows a location in india that is very dry and arid. notice the tall mountains in the background; you can find high amounts of vegetation on the other side of the mountains. which statement is most likely true for this area?

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.