Cell-to-cell communication is absolutely essential for multicellular organisms. intercellular signaling includes three stages. is not one of the three stages. a) reception b) response c) transduction d) translation

1. key concept list themajor biomes, and give onecharacteristic feature of each.

Acladogram is a branching diagram that represents suggested evolutionary relationships among organisms based on the presence of unique traits. a scientist discovers a new organism that lacks limbs and does not have a true backbone. the organism lays eggs to produce offspring and has a cartilage-like rod known as a notochord running along its dorsal surface. on the cladogram below, select the species to which the newly discovered organism is most closely related.

What are charcteristics of lithosphere?