Why is there a limit to the number of levels that a food chain can reach

In order to avoid confusing entomology (the study of insects) with etymology (the study of the history of words), Vicky associates the sound "en" of entomology with the sound "in" of insects.

What is the next step in the Scientific message stating a question?

Which statement best describes kudzu? It replaces trees after a forest is clear-cut. It is overharvested for a farm crop. It crowds and outcompetes native plants. It decreases oxygen in the water underneath.

Which of these best explains how the ocean influences global climate?

Natural selection is the process that determine

Which of the following types of models is most likely to be used to predict earthquakes? a. idea model b. physical model computer model d. none of the above

What allows members of the same species to have different characteristics

Which of the following does Max represent to Feld in "The First Seven Years"? A. a chance to improve his own life B. a way to realize a dream C. an escape from a life of hard work D. a professional with solid values

Where is pyruvate made in the cell? A. Cell membrane B. Cytoplasm C. Nucleus D. Mitochondrion

Bio Bio bio question A scientific idea that has not been tested is a :