Summarize the connection between the heart & the lungs. How do they work together to deliver oxygen? Make sure to include the terms pulmonary and systemic in your answer.

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules

Actinobacteria sp. are fermenting organisms (which do you use oxygen to breathe) referred to as chemoorganohetereotrophs this means they break down organic material and convert it to inorganic material. which part of the carbon cycle does this describe

Study this image which statement best describes the rock shown check all that apply