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GTS Ch 4
Term | Definition |
---|---|
niche | The roles played by a species in the community it inhabits including where it lives, what it eats, and what eats it. |
shield volcano | Volcanoes created from lava with low levels of silica that are shaped like a wide, flat dome. |
cinder cone volcano | Steep, cone-shaped volcanoes formed by the eruption of cinders or other rock fragments that pile up around a single crater. |
composite volcano | Volcanoes created from lava with high levels of silica that form a steep, cone-shaped volcano. |
caldera | A huge crater formed by the collapse of a volcano when magma rapidly erupts from underneath it. |
pyroclastic flow | Fast-moving currents of hot gases and volcanic matter that moves away from an erupting volcano. |
ectothermic | Cold blooded organisms whose body temperatures fluctuate with their surroundings. |
endothermic | Warm blooded animals that kept a constant internal temperature. |
Pelycosaurs | Primitive Synapsids with sprawling legs and a long tail. Many had a spiny sails. |
Therapsids | Ancestors of modern-day mammals – included herbivores and carnivores and had varied teeth. A type of Synapsid. |
Ornithischians | An order of beaked, herbivorous dinosaurs known as the “bird-hipped” dinosaurs because their pubis bone points backwards. |
Saurischian | An order of dinosaurs known as the “lizard-hipped” dinosaurs that included both herbivores (Sauropods) and carnivores (Theropods). |
Sauropod | A suborder of Saurischian that included herbivorous dinosaurs that walked on all four legs and had long necks and tails. |
Theropod | A suborder of Saurischian that included carnivorous dinosaurs that walked on their back legs and had powerful jaws with sharp teeth. |
gymnosperm | A plant that produces seeds in cones (includes conifers, cycads, and ginkgo trees). |
angiosperm | Any plant that produces a flower (includes plants, shrubs, grasses, and most trees). |