In Chapter 3, you learned about the evolution of the 14 finch-like species on the Galapagos
Islands. As shown in the figure below, each species has a different beak shape; thus, each
species is adapted to feeding on different food sources.
A
You might also like to view...
The most detailed image of the surface of a cell would be found on a ____
a. light micrograph from a phase contrast microscope b. transmission electron micrograph c. scanning electron micrograph d. light micrograph from a light microscope e. transmission electron micrograph
Movement is provided by contractions of ______ tissue.
A. epithelial B. connective C. muscle D. nervous E. All of the answer choices are correct.
In humans, which receptor is used primarily to detect sharp blows and excessive heat?
A. mechanoreceptor B. chemoreceptor C. proprioceptor D. thermoreceptor E. pain receptor
Jonas Salk's polio vaccine trials of 1954 involved giving placebos to 201,229 children and the polio vaccine to 200,745 children
Out of the placebo group, 142 children developed polio, whereas 57 children from the vaccine group developed polio. Approximately how many more times likely was a child to develop polio if he or she were NOT vaccinated? A) thirty B) ten C) five D) three