Describe how the triassic period was a transitional time period during the mesozoic era. explain why the boundary between the triassic and jurassic periods is similar to the boundary between the permian and triassic periods.

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

In which terrestrial biome can you find trees that produce cones instead of flowers and needles instead of leaves? have trees that produce cones instead of flowers and needles instead of leaves. the latitudes in this biome have evenly distributed precipitation throughout the year. is it high or low

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers