Did aquatic life forms get fossilised? If, yes where do we come across such fossils?

SOLVED: 5)Ichthyosaurs were aquatic dinosaurs. Fossils show us that theyhad dorsal fins and tails, as do fish, even though their closestrelatives were terrestrial reptiles that had neither dorsal finsnor aquatic tails. Which of the following is NOT true about thedorsal fins and tails of ichthyosaurs and fish?Select one:a. They are analogous traits.b. They were inherited from a common ancestor.c. They are the result of convergent evolution.d. They are the result of adaptation to the sameenvironme

Fossil Types

STEM Friday - Fossil Types

Fossil Types Posters for 3rd-5th Grade