Match each term to the appropriate description ecosystem
organism
community
species
population

all orca whales in the world
a single orca whale
all orca whales, seaweed, islands and the pacific
all orca whales, seaweed living in on area
a group of orca whales living along the cliff of alaska

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation:

after a the power stroke, adp is released, but the cross-bridge formed is still in place. atp then binds to myosin, moving the myosin to its high-energy state, releasing the myosin head from the actin active site.