Match the spheres with their correct description. 1. hydrosphere 2. biosphere  3. atmosphere  4. cryosphere  5. lithosphere a. the system that contains all living things    b. the system that contains the solid, rocky crustal portion  c. the system that contains the frozen ice portion of a planet  d. the system that contains all forms of water: liquid, solid, and gas  e. the system that contains the gaseous layer of a planet

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

Ry was studying two populations of the same species of lizards. one population lived on an island and the other lived on the mainland. both populations were affected by a hurricane that hit the island and the mainland with equal force. a year later, henry was testing the gene frequency and saw a decrease in genetic variation in the island species, but not in the mainland species. which best describes a conclusion he might have reached? gene flow greatly affects small populations, but large populations can recover. genetic drift greatly affects small populations, but large populations can recover. gene flow greatly affects large populations, but small populations can recover. genetic drift greatly affects large populations, but small populations can recover.

What occurs to the cell during mitosis