How do living things respond to their environment ? provide 2 examples.

As we learned, living things respond to their environments. Anything that causes a living organism to react is called a stimulus. ... Living things respond to stimuli and adjust themselves to maintain balance; this is called homeostasis. For example, when the sun gets too bright, your pupils get smaller.

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.

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.