Food chains are isolated relationships between consumers and producers and cannot intersect with each other.
In other words, any given consumer can only eat one type of producer. True or False?

How does the study of genetic disorders such as pku biologists understand normal alleles?

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.