A pride of lions hunting a dazzle of zebras is an example of Competition, Predation, Mutualism, Commensalism or Parasitism and why. (2 or more sentences)

Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants. d. selecting individuals at random.

Which statement about the pancreas is not true? a. it is an endocrine organ in the abdomen. b. it release chemicals into the digestive system. c. it releases insulin to increase glucose levels. d. it release hormones into the bloodstream.

People with one sickle cell allele are not likely to get malaria. what is this an example of?