Help me ASAP What happens to the actin and myosin during a muscle contraction?

•The actin filaments push against the myosin filaments, making the myosin filaments smaller

•The actin filaments are forced inward by the flexing of the muscle

•The myosin filaments remain in place as they pull the actin filaments inward

•The myosin filaments compress the actin filaments, making the actin filaments smaller

What are the characteristics of living things

Select three sports that require participants to be highly fit before the beginning a: snowboarding b: skydiving c: rock climbing d: bungee jumping e: free diving f: hiking

The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a.coral reefs because of the loss of the symbiotic algae living within their bodies b.penguin populations because the fish they eat will move into warmer waters c.mountain-dwelling birds because rising sea levels will relocate their food sources d.large cats in the rainforest because of decreased habitat loss for their prey