Grass (about 66 MYA)
Grass includes cereals, bamboos, and turf. Plants were also evolving quickly. Small fruiting plants called grasses, with wind-pollinated flowers and long thin leaves, began to spread. They could live in cooler drier places than other plants, and the climate just happened to be changing in that direction.
Grasses belong to a group of fruiting plants called monocotyledons, because they have only one seed leaf, or cotyledon, in the embryo contained in the seed. This group of plants includes lilies, orchids, palms and irises as well as the grasses. They are typically herby types of plants. Their leaves usually have parallel veins.
Grasses belong to a group of fruiting plants called monocotyledons, because they have only one seed leaf, or cotyledon, in the embryo contained in the seed. This group of plants includes lilies, orchids, palms and irises as well as the grasses. They are typically herby types of plants. Their leaves usually have parallel veins.
Modern Animal Groups Appear (about 65 MYA)
This is the time when groups of animals just appear and create a species.he first primate-like mammals, or proto-primates, evolved in the early Paleocene Epoch (65.5-55.8 million years ago) at the beginning of the Cenozoic Era. They were roughly similar to squirrels and tree shrews in size and appearance. The existing, very fragmentary fossil evidence (from Asia, Europe, North Africa, and especially Western North America) suggests that they were adapted to an arboreal way of life in warm, moist climates. They probably were equipped with relatively good eyesight as well as hands and feet adapted for climbing in trees. These primate-like mammals (Plesiadapiformes ) will remain rather shadowy creatures for us until more fossil data become available.