The following data was collected for fish in the Columbia River Basin. All of the species are commonly eaten by the local Native American population. Which of these species is
most likely to be a top predator in its community?

A. Rainbow trout
B. White sturgeon
C. Steelhead
D. Walleye

Which way do the nitrogenous bases in dna pair up? a. a and g; t and c b. a and c; t and g c. a and t; g and c d. a and a; t and t; g and g; c and c

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

Ascientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. what population is most likely to be a control group for the investigation? amount of food number of bird feeders invasive bird populations local backyard birdfeeders without food