Describe in detail what would happen to all trophic levels in your choice of ecosystem (ocean, desert, etc) if an invasive species was introduced that consumed the primary producers at the bottom of the energy pyramid. What would happen to each trophic level? How would a species have to adapt in order to survive?

Groups of organisms with low biotic potential, such as gray whales, that produce at most one offspring every other year a) are r-selected b) are k-selected c) are not subject to density-dependent limiting factors d) show the initial stages of the extinction process e) have escaped from the processes of natural selection and adaptation

What volume of a 0.25 m solution can be made using 0.55 moles of ca(oh)2

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what