How does energy move from one trophic level to the next?

What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones

Environmental differences within ecosystems are generally caused by

Archaebacteria use for movement. celia flagella pili cell walls