Why are trees not common in the arctic tundra? what types of plants are common in this biome?

What causes temperature extremes in the desert

Advances in technology have enabled scientists and researchers to better study the evolutionary relationships between species

2. cheryl hears a new song on the radio every day during the week on her commute to work. surprisingly, when the song comes on at a party on saturday night, she knows most of the words without trying. describe the three ways that we use cognition to learn without reinforcement. which type of cognitive learning without reinforcement best explains how cheryl knew the song lyrics? explain your answer.