Detailed environmental reconstructions, based on fossil animal bones, of the daka member of ethiopia’s middle awash deposits .
a. demonstrate that asian homo erectus lived in a rain forest. provide a detailed picture of the habitat in which homo erectus lived about 1 mya.
b. provide a detailed picture of the habitat in which australopithicines and homo habilis coexisted about 2.5 mya.
c. prove that in certain areas of africa, there were no large mammals, only "microfauna" consisting of mice and similar creatures.

b. provide a detailed picture of the habitat in which australopithicines and Homo habilis coexisted about 2.5 mya

Explanation:

→Deposits of  sediments  in lakes and rivers,;

 →Low carbon isotopes ratio from  carbonate deposits from fossils analysis; showed a wet habitat , and therefore type and population of  flora.

Thus  these evidences showed  the nature of habitat inhabited by the australopithecines .

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation: