The overall correlation in the experiments between predicted impressions and the average actual impression of a group was quite high. To put that in perspective, this is roughly the same ______ as the correlation between the heights of fathers and the heights of sons. It is not perfect insight, but it is also very far from being clueless.

Which choice completes the text so that it conforms to the conventions of Standard English?

Some of the evidence in favor of embodied cognition comes from behavioral experiments that show that how you respond to something depends on otherwise irrelevant features of the sensory stimulus. And of particular ______ here, these seemingly irrelevant features often involve space. In one classic study, Mike Tucker and Rob Ellis at the University of Plymouth asked subjects to judge whether items were upside down or right side up.

Which choice completes the text so that it conforms to the conventions of Standard English?

An ecosystem is a complex web of interactions between organisms and their habitats. Beavers, large rodents that use sticks, mud, and leaves to build dams in streams, are perhaps one of the best examples of the ______ relationship among all aspects of an ecosystem.

Which choice completes the text so that it conforms to the conventions of Standard English?

Bap is both an ancient toxicant and a major industrial pollutant. Activated Bap binds with DNA, causing a kink in the DNA helix, just like UVB. A specialty of DNA photolyase is kinky DNA. A recent study revealed that bap-altitude frogs had less Bap-induced DNA damage compared with their lowland cousins. Added protection by DNA photolyase? Maybe. Until enzyme concentrations are ______ any added protection cannot yet be attributed to increased DNA photolyase.

Which choice completes the text so that it conforms to the conventions of Standard English?