Why the digestive system of cockroch beter then hydra

What does the rotating movement produce?

Discuss ecology for a discovery and hypothesis driven aspect.

Lichens and mosses, followed by grasses and shrubs, slowly take root on a newly formed volcanic island. Eventually the grasses and shrubs are replaced by pine trees, which remain as a stable community.

What is the sugar coat formed by the carbohydrate side chains?

Rachel is a frail and fragile girl who is prone to injury and bruising william sheldon would most likely have classified her body as a

Cells Carry out all?

An organism grows in colonies and is composed of eukaryotic cells, in which domain does this organism belong? a. bacteria b. archaea c. planate d. eukarya

Which is an internal environmental factor that affects heredity?

What role does energy play in cells?

In what types of living things must groups of cells work together? a multicellular life b viruses c unicellular life d bacteria