Secondary Consumer Definition Organisms that consume primary consumers for energy are secondary consumers. Primary consumers are always herbivores, or organisms that eat only autotrophic plants. Carnivores or omnivores can be secondary consumers. Omnivores eat both plant and animal matter, while carnivores eat only other animals. It is still necessary for a secondary consumer to have … Read more

The Basics A large number of species in the Solifugae order are known as camel spiders. These creatures, which are also known as wind scorpions or sun spiders, are neither scorpions nor spiders. Although they belong to the Class Arachnida, they exhibit both scorpion and spider characteristics. The camel spider has a distinctly segmented opisthosoma, … Read more

Sarcolemma Definition There are striated muscle fiber cells surrounded by a specialized membrane called the sarcolemma. Like the plasma membrane, the sarcolemma has specialized functions for muscle cells and is sometimes referred to as the myolemma.  In addition to the extracellular matrix, the sarcolemma contains polysaccharides that allow the cell to anchor into the tissue … Read more

Bronchioles Definition In the lungs, bronchioles branch off from the larger bronchi which enter each lung, from the large and singular trachea that connects the mouth with the lungs. The bronchioles are one of the smallest airways in the respiratory tract, and they lead directly to the alveolar ducts which contain the alveoli responsible for … Read more