Why didn't Alexander Fleming see the mold spore fall in the petri dish

True or false. An ecosystem includes all the producers, consumers, and decomposers in an environment.

Nearly all organisms on earth carry out some form of glycolysis. How does that fact support or not support the assertion that glycolysis is one of the oldest metabolic pathways?

A study where you try to observe subjects in a natural environment is a (n)

If the dominant allele K is necessary for hearing, and the dominant allele M of another independent gene results in deafness no matter what other genes are present, what percentage of the offspring produced by cross kk Mm x Kk mm will be deaf?

A spike in the popularity of Nassau groupers in American restaurants causes a sharp increase in grouper fishing. How will this affect the population of yellowtail snappers?

In a laboratory population of flies, the female flies are gray and the males are yellowish gray. Biologists observed that all the male flies had an equal chance for reproduction, but the male flies with the brightest colors were more likely to

There appears to be some relationship between population density and the presence of large dead zones.

Detail the relationship between diploid cells and homologous chromosomes

Each P1 parent of a monohybrid cross has completely identical genes ture false

Based on this information what is the probability of producing a P plant with green seeds in a yellow pod? I/2 1/4 1/8 1/16