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What kind of asteroid crosses into Mars' orbit?
Amphibian
A class of cold-blooded vertebrates that live both in water (as larvae or tadpoles) and on land (as adults), including frogs, toads, and salamanders.
Oxygen-rich
Describes an environment or substance containing high levels of oxygen, often associated with well-oxygenated blood and atmospheres conducive to aerobic life forms.
Oxygen-poor
A condition or environment where the concentration of oxygen is significantly lower than the average.
Circulatory System
The circulatory system is the body's network of organs and vessels through which blood and lymph circulate, delivering nutrients and oxygen to cells and removing waste products.
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