Which of these changes in a trophic level would most quickly cause the collapse of
an ecosystem?
A. a decrease in producers
B. an increase in decomposers
C. a decrease in one type of consumer
D. a season without enough rain

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin

Anormal appearing couple is found to be heterozygous recessive for albinism both have the genotype aa the gene responsible for albinism is recessive to the normal pigment-producing gene what are the changes of their children being albino

In "the pig," what is the main effect that the piglet initially has on kibuka?