The respiratory system, as indicated in its name carries out the processes of respiration.
The processes of the transport of the respiratory gases are carried out by the circulatory system, a network of arteries, veins and capillaries, and NOT by the respiratory system (the lungs).
Answer:
Predation.
Explanation:
Limiting factor refer to resources or environmental condition that limit the growth or distribution of organisms in the ecosystem. This make the organism not to occupy their original niche. Predation is a limiting factor. Predation refer to ability of an organism to prey on another organism or capture it. Predation is a density dependent factor whose effect on population determined the total size of the population. Fox chasing pika is an example of predation.
Oxygen was initially created in Earth's atmosphere by algaes. It is estimated that marine plants produce between 70 and 80 percent of the oxygen in the atmosphere. Nearly all marine plants are single celled, photosynthetic algae. Hope this answers the question.
Carbon dioxide and water (6CO2 and 6H2O)
