What do humans breath and release

In attempt to solve the working problems created by the industrial revolution, the united states and many countries in europe considered and/or adopted

How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey

Imagine that certain laws of physics could be ignored and you were able to travel vast distances in moments. now imagine that you traveled to an earth-like planet located light-years away that is known to support life. think about what you’ve learned in this unit and make an argument for what you think would be the dominant type of life form on this planet. consider whether a notochord is required for an organism to manipulate its environment and become a dominant creature.