Lichens shrubs small trees forest
Answer:
The correct answer is option (D) there was a time in Pennsylvania history when dinosaur existed.
Explanation: A paleontologist discovers a rock slab on which the footprints of a Pennsylvania dinosaur are well preserved. This means that there was a time in Pennsylvania history when dinosaur existed in this area. Here fossil is a fragment of rock on which the footprints of dinosaur is present.
D. ice core samples for the arctic and anarctic
The answer is A: phytoplankton provides nutrients to consumers in the ecosystem.
Hope this helps:)
Answer: C: Contain chloroplast that perform photosynthesis.
Explanation: Process of elimination deems C correct!
