Which of the following is a trace fossil?
a. mammal tooth d. dinosaur footprint
b. frozen mammoth e. clam shell
c. ripple mark
D
Environmental & Atmospheric Sciences
You might also like to view...
The electric force between a pair of charges is strongest when the charges are
A. close together. B. far apart. C. either of these D. none of the above
Environmental & Atmospheric Sciences
What are the types of symbiotic relationships that organisms exhibit? Give examples of each
Environmental & Atmospheric Sciences
All living things of the Earth system constitute the ____
a. atmosphere b. lithosphere c. hydrosphere d. biosphere e. asthenosphere
Environmental & Atmospheric Sciences
The idea that the genetic code seems to be "arbitrary" (i.e. could be different and still function as well) actually strengthens the hypothesis that all life shares a common ancestor.
a. true b. false
Environmental & Atmospheric Sciences