Answer:
this one
Explanation:
the amount of time taken for a longitudinal wave to produce one cycle the number of cycles per second perceived by the human ear.
The natural selection process applies majorly inside back species wether than between species.
None of the above
Consumers by definition produce their own food (from sunlight)
Carnivores feed on other animals, herbivores feed on plants, plants create their own food. whereas scavengers feed on dead animals etc
The answer to this question is the Pyers
patches. The Pyers patches are lymphatic tissues found through
the small intestines that have an important role in the immune system. Pyers
patches are also known as the aggregated lymphoid nodules that monitors and
prevents growth of bacteria in the intestine that is harmful in the intestines.