Their health , medical conditions, diseases
Answer:
C
Explanation:
When two species share a common niche, then one is bound to exclude the other. This is due to the stiff competition for resources. The species with a slight advantage in acquiring the resources will edge out the other species from the environment. This has been demonstrated by George Gauss using two Paramecium species grown in the same media in the lab. <em> P. aurelia</em> outcompetes <em>P. caudatum</em>
The answer is A because they are parts of algae
The saliva has enzymes that start to break down food using the lock and key system.The teeth chews the food and begins mechanical break down of food
