Answer:
It is important to classify the millions of species on Earth because it makes study of organisms easier. Classification occurs on the basis of similarities and differences that is present among the organisms. Organisms are placed in one group if they are similar in characteristics. For example, those organisms which are placed in animals have the ability to move from place to place and unable to make their own food.
Paper, pencils, spoons, trash cans, etc
Some of the best evidence for the theory of plate tectonic are earthquakes, plants that are in different continents across the ocean,or mountains. Some of the best evidence for the theory of plate tectonic are earthquakes, plants that are in different continents across the ocean,or mountains.
The answer is B) it is Rigid
The lac operon, which stands for Lactose operon is known as an inducible system. It is the an operon required for the transport and metabolism of lactose some enteric bacteria (Echerichia coli for example). The Lac operon is only activated in the presence of a key molecule. The key molecule is lactose.
From the given options the following best describes the Lac operon:
D. The repressor is freed from the operator when lactose is present.
