What type of fossils were first found near where trace fossil groups were also first discovered? A. Fossils with radial symmetry
B. Fossils with circular symmetry
C. Fossils with bilateral symmetry
D. Fossils with linear symmetry

Which one is an advantage of external fertilization a. the offspring are genetically identical to the parents b. more eggs can be fertilzed at one time c. more sperm can be released at one time d. more protection is available for developing plz