A. Identify the biotic limiting factor from the choices below.
space
b. vegetation
C. water
d. climate

What have we learned from fossil evidence about evolution? a) it is an abrupt change. b)the process is observable. c) it takes place during one lifetime only. d)the most complex traits are always selected.

Lucia is walking barefoot in her yard. she accidentally steps on a nail. how will her nervous system work to generate a reaction? arrange the eventschronologically.

Pl which diagram illustrates prophase?