Streams, rivers, ponds, lakes, and wetlands are all kinds of
ecosystems.

Scientific thinking: what clues about biology might road kill provide?

Fossils can only be formed when? if mud, silt or tar is in the area to preserve the fossil ierosion does not occur and allows the fossil to form oxygen and microorganisms cannot decay the bones the area is dry and does not contain mud or silt

Omg substrates with the same size and shape as the active site will bind to the enzyme. why is the key labeled the “bad” substrate?