Myosin and actin filaments are attached to a structure in muscle fiber called a(n) . A) A-line
B) Z-line
C) M-line
D) sarcomere

An example of what is geese flying south for the

Food provides molecules that serve as fuel and building material for all organisms. plants undergo photosynthesis and make their own food. other organisms, like us and the horse seen above, are consumers and eat food. how do all organisms use food as fuel? be sure to include the name of the process in your answer. me.

How do the evolutionary chart and the video support the claim that all living things are made up of cells?