The environment in the tertiary period was mostly covered with trees and grass.
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Warmer climate
The environment was covered with trees and grass, and the air was warm and moist.
grassy and naked
the carboniferous period had crinoids,echinoderms but today we don't have it
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During the Jurassic period, the environment was warmer and had higher levels of carbon dioxide in the atmosphere compared to the present. The landmasses were generally located closer together, forming the supercontinent Pangaea. The Jurassic period had a diverse range of plant and animal species, including dinosaurs, which dominated the terrestrial ecosystems.
Irregular warfare is a term used for a steady state environment of a 'period of consistent conflict'
During the Carboniferous period, the environment was warm and humid, with vast swamp forests covering much of the land. These forests eventually formed the coal deposits we see today. In contrast, the present environment is cooler and drier overall, with different vegetation and ecosystems in place.
the environment during the cretaceous period was warm with ice-free poles. Back then, there were mostly dinosaurs roaming the earth, but other mammals we see today were starting to appear.
Rabbits typically have babies in about 30 days, but the gestation period can range from 28 to 32 days. Factors like the rabbit's age, health, and environment can affect the length of the gestation period.