create a system using a sun, salmon, maple trees, bears, plankton, whales, grass, cows, humans, shrimp, caterpillar, finches, and hawks.

Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d.the size of the geographic area inhabited by a population can cause speciation.

And give a detailed description! scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. does this result support the theory of plate tectonics? why or why not?

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity