In an ecosystem that undergoes a sudden drastic change, what characteristic of the ecosystem would most likely ensure that at least some species survive the change? * 1 point Few species and small population. Great biodiversity and variation among individuals in a species. Low biodiversity and little variation within a species. Few species that are high specialized for survival in their present environment.

In this experiment you were asked to present three possible mechanisms. describe those mechanisms here and include drawings of those mechanisms. how will the bromination of trans-cinnamic acid and trans-stilbene allow you to distinguish between the three possibilities? what would you expect to find in your data in each scenario?

What is the most common structure of volcanoes?

Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos