Answer:
evolution of bidepadlism,
increase in enamel thickness,
regular use of stone tools, enlargement of brain to around 1,450 cc
Explanation:
Dr. Alvarez is doing research on the subfield of psychology called the behavioral neuroscience. Scientists from the field study the biological foundation of human behavioral characteristics. These scientists are trying to find out what physiological processes and anatomical structures are involved in certain aspects of human behavior.
Hi these structures would include the skin, nails, hair, glands, and nerves.
Hope this helped you.
Answer:
Genes
Explanation:
Many of the traits of all living things are controlled by genes.
Genes is what make up who you are. Living things inherit this from the ancestors.
