The correct answer is Protozoans.
Protozoans are best described as uni-celled eukaryotic organisms, both free-residing or parasitic, which feed on organic matter together with different microorganisms or organic tissues and particles. back then, the protozoa have been seemed as "one-celled animals," because they regularly possess animal-like behaviors, together with motility and predation, and lack a mobile wall, as discovered in plant life and plenty of algae.
The Emperor penguin is an organism that meets the criteria for group b.
<h3>Are penguins Endotherm or Ectotherm?</h3>
Endotherms: Penguins, and prairie dogs, like most other birds and mammals, are endotherms. Iguanas and rattlesnakes, like most other reptiles along with most fishes, amphibians, and invertebrates are ectotherms.
Endotherms generate most of the heat they need internally.
Thus, the emperor penguin is an organism that meets the criteria for group b.
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Cardiorespiratory endurance is the body's ability to carry out strenuous tasks such as exercise while maintaining adequate oxygen supply to the muscle and organ cells. This means that a person with high cardiorespiratory endurance will be able to carry out strenuous tasks more easily, while someone with less endurance is more likely to fail.
More importantly, a high endurance of the cardiovascular and respiratory systems helps prevent heart disease in individuals, which improves a person's overall health.
