Enzymes increase the rate of a given reaction by lowering Activation E<span>nergy. Hope that helps.</span>
Answer:
D. Commensalism
Explanation:
The relationship between a remora and a shark is an example of commensalism - it's good for one side but neither good nor bad for the other. The remora attaches itself to the shark and gets the benefit of eating the shark's leftovers, but there is no harm or benefit for the shark, and the shark doesn't eat the remora like in a predator/prey relationship.
Answer:
A. Natural
Explanation:
The moon orbits Earth just like Earth orbits the sun. The moon is Earth's only natural satellite.
<span>Biological scientists are research scientists who examine how living organisms relate to the environment. They can specialize in any number of plant, animal or environmental studies. Biological scientists most often have earned a master's or doctoral degree in their specialization; such degrees offer the opportunity to develop research while finishing their education. Some low-level positions related to biological science are available to those holding baccalaureate degrees.</span>