According to the fossil record, the first land plants were most likely pine trees. moss and ferns. √ flowering plants. 2. scientists have found fossils of pine cones, seeds, and leaves with veins. more than likely scientists would also find fossilized remains of fish. dinosaurs. mammals √ 3. lots of shell fossils and no plant fossils tell us that earth probably mostly covered with oceans and little dry land. true √ false answers: moss and ferns mammals true