In experiments done with chimpanzees, which of the following is a limit to what chimpanzees are able to understand?
A. metaphors
B. grammar
C. constructing sentences
D. an extensive vocabulary
A
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An example of passive parental care is ____
a. nutrients that cross the placenta b. nursing c. nurturing
d. the nest environment e. protection from predators
Product recalls on frozen hamburger are not uncommon during any given year. The meatpacking industry can experience problems when processing centers accidentally introduce this fecal bacterium into ground meat
Which organism is commonly found to be the culprit? A) Clostridium B) E. coli C) Streptococcus D) Staphylococcus
Whooping Cough is transmitted via Respiratory Droplets. The ______ Stage lasts 1-2 weeks, while the ______ Stage is characterized by severe coughing
Fill in the blank(s) with the appropriate word(s).
The apple host race (or biotype) of the Rhagoletis pomonella fruit flies evolved after non-native apples were colonized by individuals of R. pomonella's hawthorn race (hawthorn is the original native host of R. pomo-nella)
If the two host races should become two different species over time, would this case represent an example for cospeciation? Briefly justify your answer. What will be an ideal response?