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Dinosaurs and angiosperms were the most visibly dominant lineages during which geologic era?
I know that the angiosperms were most dominant during the cretaceous period but im not too sure about the dinosaurs dominant era. I would assume they were both dominant in the same era but I am not 100% sure.Read more: http://wiki.answers.com/Dinosaurs_and_angiosperms_were_dominant_lineages_during_with_geologic_era#ixzz1G5bqBpQR
Are fish dinosaurs?
No, fish are not considered dinosaurs. Dinosaurs were land-dwelling reptiles that lived millions of years ago, whereas fish are aquatic animals. Both groups are part of the broader group known as vertebrates, but they belong to different evolutionary lineages.
What does Hadero mean when she uses the term and ldquosonic lineages and . What does she describe as her own sonic lineages?
What does Hadero mean when she uses the term, "sonic lineages". What does she describe as her own sonic lineages?
Are the t-rex and spinosaurus related?
The T. rex and Spinosaurus are not closely related; they belong to different families within the theropod group of dinosaurs. T. rex is a member of the Tyrannosauridae family, while Spinosaurus is part of the Spinosauridae family. Although both were large carnivorous dinosaurs that lived during the Late Cretaceous period, they had distinct evolutionary lineages and adaptations suited to their respective environments.
What may have occurred to prevent species that are of the same grade from also belonging to the same clade?
similar structures arising independently in different lineages, convergent evolution among different lineages, and adaptation by different lineages to the same selective pressures
What is the word for a group of lineages?
The term meaning "a group of lineages" is a clan. A lineage is a group of families descended form a common ancestor.
Did modern reptiles evolve from dinosaurs?
No, although modern reptiles and dinosaurs do share common ancestors that lived in the distant past (likely the Carboniferous epoch). Birds, however, evolved from dinosaurs in the Jurassic epoch.
Was Australopithecus a biped or quadruped?
The ancestral mode of locomotion of dinosaurs is thought to be bipedalism. This is supported by the fossil finds of early, basal dinosaurs such as Eoraptor, which lived during the Middle Triassic, over 230 million years ago, and which are clearly bipedal. In fact, bipedalism evolved in the archosaurian ancestors of dinosaurs, and dinosaurs simply inherited it, as did their close relatives. Later on, some dinosaurs evolved quadrupedalism, and this happened independently in several lineages of dinosaurs, such as the ceratopsians (i.e. Triceratops) and sauropods (i.e. Apatosaurus). Some were mostly quadrupedal, but could occasionally assume a bipedal posture (it is believed that hadrosaurids were facultatively bipedal while running, for example). Finally, some retained their ancestral bipedalism - this includes the theropods, and their modern descendants, the birds.
Which is strong evidence that similar traits in different evolutionary lineages are the result of homology and not homoplasy?
The traits are also found in many intervening lineages on the tree of life
Who are the headmonks of Tibetan Buddhism?
The head monk of Tibetan Buddhism is the Dalai Lama. Each of the four major lineages (as well as some minor lineages) have their own head as well.
Were dinosaurs egg laying mammals?
Dinosaur are not mammals. Mammals and dinosaurs evolved from completely different genetic lines. Birds are the closest and only living decedents of dinosaurs (except possibly a few rare species not known to science and only known to local tribal legend such as Mokele-Mbembe but this is not widely believed)
What term is used for an animal with cells from 2 different lineages?
chimera
