Despite how different their sessile, filter-feeding adult forms seem, larval clearly display chordate features.

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains

The seed coat's most important function is to provide a) a nonstressful environment for the megasporangium. b) the means for dispersal. c) dormancy. d) a nutrient supply for the embryo. e) desiccation resistance.

Individuals do not compete directly for resources, but are prey for the same predator