Chromosomes are made from Multiple Choice cell recognition proteins. expanded polysaccharides. condensed chromatin. condensed vesicles.

Differentiation of cells changes the nucleic information. true false

Coral reefs support more species per unit area than any other marine environment on earth. what is one way coral reefs are important to the health of the biosphere

Adrought killed all the plants in an agricultural farmland. gradually, due to wind and some birds for. nearby areas, new plants started sprouting l. what stage of succession was taking place in the farmland? a) competition b) nudation c) ecesis d) reaction e) migration