What are the short and long term effects of ocean pollution?

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

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

How water is moving through the ecosystem ?