The first one million of years is the start of adaptive radiation on the planet Heqet. Many animals and plants started to diversify and specify here, few new Genera appeared, instead the specification led to new species and Subspecies
in preexisting genera. The globe was warmer than modern Earth, around
17 degrees celsius, creating a suitable environment for cnidarians,
molluscs, most insects and invertebrates, plants and anurans. This is
thought to have helped in the diversification and specialization of
fauna and flora around the world.
Continents
There were three main continents at this time, from smallest to
largest they are Bufia, Batrachia and Incilia. Each continent has its
endemic set of anurans, Bufia has the common toad, Batrachia have the
poison dart frogs and giant leaf frogs while Incilia have cane toads and
colorado river toads. The continent of Bufia also have endemic
alderflies and lacks bromeliads and passion fruits, alongside carpenter
bees.
The majoriality of Bufia was covered by the biome of temperate
forest with a mountain chain in the north of the continent. Batrachia
was majoritarialy savannah with a mountain chain forming on the west.
Incilia was mostly desertic as the extense mountain chains in the east
created a rainshadow effect stronger than that in Batrachia.
Diversification
The severe lack of most angiosperms and gymnosperms, tetrapods and
invertebrates alongside the total absence of fishes led to the major
diversification of the seeded groups, passionfruits, pines, grasses,
frogs and principally the invertebrates like dipterans, hymenopterans,
miryapods and isopods. Who filled the niches that other groups would
have filled on earth.
Flora
With a mid
gap in floral species it is expected that many new species evolved to
fill in the ecological vacuums, pines dominating most of the world while
the arboreal passionfruits took advantage of the lack of specialization to tropical climates of the pines to explode in diversity in tropical regions.
Fauna
Unlike
plants there was a massive lack of fauna on the planet Heqet, who led to
a major adaptative radiation event, hence the name of this time period.
Without herbivores to compete with the millipedes they have grown
larger, eating a wide variety of plants or specializing on specific
species, most of these large millipedes were somewhat the size of the
largest millipede on present Earth, the giant african millipede (Archispirostreptus gigas).
Centipedes have experienced great diversification without arachnid and
insect competition, but were somewhat limited by frogs where they
coexisted. Robber flies were the main predators in open landscapes,
predating on all sorts of prey, their monopoly as aerial predators
lasted for as long as they were the sole volant predators on the planet.
Mosquitoes remained largely the same as they kept feeding on the blood
of animals and the nectar of plants, though they had a lot of
competition with the carpenter bees as the latter was already
specialized to the seeded plants and the plants mosquitoes were
specialized into pollinating, (Orchids) were'nt seeded. Both terrestrial and marine gastropods became important herbivores growing to large sizes similarly to the giant African snail (Achatina achatina) in land snails and similar sizes to the sea hare Aplysia vaccaria
among marine slugs. Tunicates, cnidarians and cirripedes were the sole
filter feeders of the world, some growing to incredible sizes.
The frogs maintained in the same kind of niche as small to medium
sized hypercarnivores, and have specialized into other more specific
niches (dietary specifications, period of activity, habitat, etc.) in
order to avoid competition with the progenitor species.
