These are complex proteins that speed up chemical reactions by lowering the amount of
energy needed to get the reaction started.
drag and drop answe

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

How can an organ, such as the lungs, work for multiple body systems?

Which of the following words best matches this definition: the process in which the best adapted organisms survive and pass on their traits, while those that are not well adapted do not survive to pass on their traits. question 3 options: acquired selection natural selection artificial selection organic selection