In order to determine snall populations, 340 snails were captured, tagged, and released. Later, 420 snails were captured. Of the 420 snails, 16 were already marked.
What is the size of the snall population?

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 is the primary function of the nervous system?

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone