Which is a nonrenewable resource?
a) soil
b) fish
c) wood
d) coal

Describe pasteur’s results and how they disprove spontaneous generation.

How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes