In dry years the biomass of producers is significantly decreased what would the effect be on a hawk

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.

Greenthe fossil record is the history of life recorded byhuman observationgod. climatologists. remains of the past.

Which layer will become saturated first when rain falls?