What are some adpatations that make Cephalaspis better adapted than the Haikouichthys

Explain the importance of producers, primary consumers, secondary consumers and decomposers in an ecosystem.

What must be true for natural selection to heppen

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