What would be considered a biotic factor for a frog's habitat? the algae where the frog lays its eggs
the air that the frog breathes
the rocks on which the frog suns itself
the water in which the frog lives

The symptoms that shelly is experiencing result from the interactions between streptococcus pyogenes (a prokaryote) and the cells (eukaryotes) within shelley's body. although there are similarities between these two types of cells, there are also important differences.

Now it's your turn to investigate human impact around the world. grab your virtual lab coat and put on your environmental science hat. you will be taking a trip around the globe to explore three locations. at each location, you will investigate the cause and effect relationships of deforestation, desertification, and urbanization. you will also gather evidence of how these factors have impacted the environment over time

Explain how scientists use geologic time to determine the age of landforms.