What is the meaning of decapitation in biology?

Identify the type of energy used in each action. the flexing of an arm muscle: a signal transduction process by a neuron: a ball at the top of a hill: 1. electrical energy 2. mechanical energy 3. gravitational potential energy

Which could be a pathway of food through an ecosystem

Will give ! ! widentify the advantages and disadvantages of renewable and nonrenewable energy resources.