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What do Precambrian Paleozoic Mesozoic and Cenozoic have in common?
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What animals lived in the paleozoic era?
Not Extinct Through out the Cenozoic era, the oceans were home to nearly the same invertebrate animals as today. Foraminifera were common as well. Sponges, coral, starfish, seaurchens, and sand dollars were common as well Brachiopods and cephalopods were rare. Mollusksclams, oysters, mussels, and snails- thrived through out the era. Crabs and barnacles were common as well. A land, the spiders, centipedes, scorpions, and insects continued to thrive. Insects including butterflies, moths, bees, wasps, ants, beetles, and many others. Most Cenozoic fish were like that of late Mesozoic time. Sharks and rays were abundant and gigantic. Some sharks were 20 meters long with jaws nearly 2 meters wide. Amphibians, such as frogs, toads, and salamanders, were about as common as they are now. The reptiles-turtles, lizards, snake, and crocodiles- resemble those of today. Birds developed that were similar to those of today. At times, there were many large, flightless, ostrich like types. Some were three meters tall. Extinct Creodonts, oreodons an early grazing animal that resembles a deer, the mastodon a kind of gigantic elephant, brontotherium a gigantic rhino like animal, blachitherium rhino like animal , armadillo a gigantic sloth like animal. These are just some of the animals that lived in the Cenozoic era that are now extinct.
Does the common femoral vein lie medial or lateral to the common femoral artery?
The common femoral vein is medial to the common femoral artery. The common femoral artery lies farther from the body's midline.
What are two common nouns that begin with the letter Q?
Quarry is a common noun. Quiz is a common noun.
What is an interesting fact about the commonwealth?
The term common wealth comes from the Latin common weal, meaning common good.
What Flowers start with the letter Y?
Yarrow (common name) Ylang-ylang (common name) Yew (common name) Yasmin (common name) Yucca (botanical name)
What does the end of the paleozoic and the mesozoic have in common?
Mass extinction
During which era did mammals become common?
Mammals became the dominant land animals in the early Paleocene period of the Cenozoic era, after the extinction of the non-avian dinosaurs at the end of the Cretaceous period of the Mesozoic era.
What are the most common precambrian fossils are?
stromatolites
What is a common fossil beginning with 'T'?
Trilobites are common fossils throughout the Paleozoic.
What are the most common precambrian fossils called?
stromatolites
Were conifers common during the mesozoic era?
yes
Which plant were not common during the Mesozoic era?
cycads
Land-based animals first became common?
Paleozoic era
During this era Pangaea was in existence and invertebrates and amphibians were common?
Paleozoic
Were there volcanoes in the mesozoic era?
Yes, there was volcanic activity during the Mesozoic Era, and lots of it. Also, plate tectonic activity was common, too. During the Mesozoic Era, the plates moved from Pangaea to Laurasia and Gondwanaland, and then to the 7 continents.
What is the most common precambrian fossil are layered mounds of calcium carbonate called?
stromatolites
What are most common Precambrian fossils of layered mounds of calcium carbonate called?
stromatolites
