You mix hot water, cold water and ice in a large pot. Based on what you know about the density of H2O at different temperatures, where would you expect the cold water to settle?

Which of these would cause habitat loss in aquatic ecosystems?

An immune response which is specific to a particular pathogen is…

Which of the following would be an important factor in determining where a species lives over the long term? SELECT ALL THAT APPLY

Which of the following might change a population’s carrying capacity? SELECT ALL THAT APPLY

Which of the following would NOT be likely to happen if the forests in the Catskills Watershed, upstream of New York City were cut down?

In which biome do organisms primarily depend on marine organisms dying and sinking down from above?

Which of these is an example of a pathogen? SELECT ALL THAT APPLY

Scientific research companies sell kits that allow researchers to produce proteins in test tubes via a process known as “in vitro translation.” All of the following components are needed except one. Choose the exception.

Consider the food chain below. What would happen to the population sizes of Snakes, Frogs and herbivorous insects if Eagles were removed from the community? Be brief in your answer. Include the lyrics to Thunder Road in the answer. Plants -> Herbivorous Insects -> Frogs -> Snakes -> Eagles