1. What is the ultimate cause of all evolution? A. Sudden disasters caused by external forces

B. Infectious disease

C. Environmental change

D. Time

2. The first major anatomical difference that distinguishes our ancestors from those of the Chimpanzee and Gorilla is

A. Bipedalism

B. Bipartite behavior

C. Brachiation

D. Bulimia

3. An elderly human ancestor provides extra food for her grandchildren. This is an example of:

A. Environmental forcing

B. Natural selection

C. Kin selection

D. Selective breeding

4. Anthropology was developed as an American discipline primarily through the study of

A. Early hominins

B. Primates

C. Arrowheads

D. Native Americans
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Fill in the blank 1. digestion occurs in the small intestine through the action of enzymes. 2. urea, excess water, and other waste materials are eliminated in a water fluid called 3. can cause infections by injecting dna or rna into hosts. 4. the human immune system produces in response to a vaccine, which later can bind to and destroy a pathogen if it invades. 5. are structures that link bone to bone at a joint 6. in the heart, blood flows from the right atrium to the right ventricle, where it is pumped to the the words i can use are: lymphocytes gliding pivot gas urine absorption dermis fulcrum lungs chemical viruses capillary vertebrae esophagus tendons antibodies synapses ligaments kidneys pathogens