The first step toward generating a skeletal muscle contraction is the first step toward generating a skeletal muscle contraction is a rise in intracellular ca2+ levels binding of the myosin heads to actin binding of atp to the myosin heads stimulation of the muscle by a nerve ending

According to the loco mass the mass of reactants and products

As , plants meet their needs for making food from air, soil, water, and the sun's energy in a process called there are plants called grow high in trees without here are words to put in the blanks. 1.) producers 2.) consumers 3.) chloroplasts 4.) epiphytes

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.