Some of the earliest research on was conducted by robert t. paine, who actually coined the term keystone species. for over 25 years paine and his students removed , a sea star, from tidal pools on the coast of washington. throughout his research, paine discovered that removal of this predator resulted in a) another predator moving in to replace the sea stars. b) a change in trophic levels, with only producers and herbivores present. c) mussels becoming the dominant species and crowding out all competitors. d) a shift in the ecosystem and a new keystone species becoming established.
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Geography, 23.06.2019 08:10, biancatay
Lomexico, central america, and the caribbean: mastery testselect the correct answer. which of the following was the leading cause of death among native americans after the arrival of europeans? a. conquistadorsb. diseasec. starvationd. warreset
Answers: 1
Geography, 25.06.2019 05:00, jakeevyhayov21py
The images show two different fronts. which fronts are shown? item a shows a cold front, and item b shows a warm front. item a shows an occluded front, and item b shows a cold front. item a shows a warm front, and item b shows a stationary front. item a shows a stationary front, and item b shows an occluded front.
Answers: 1
Some of the earliest research on was conducted by robert t. paine, who actually coined the term keys...
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