Meristem is made of differentiated cells true or false

Why should the united state be concerned about air pollution in china?

Which of the following lines of evidence would best support your assertion that a particular plant is an angiosperm? a) it produces seeds. b) it retains its fertilized egg within its archaegonium. c) it lacks gametangia. d) it undergoes alternation of generations.

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.