Millions of years ago, an object hit the surface of Mars so hard that pieces of it flew up and escaped the planet's gravity. One piece was pulled down by Earth's gravity and was discovered in Antarctica. Scientists named it ALH84001. At first, they thought this meteorite contained traces of tiny bacteria. This would have proved that life existed on Mars. After further study, scientists decided that the bacteria may have entered the meteorite on Earth instead. The scientists their findings.

What's the question?

Explanation:

Taxonomy is the science of classifications in taxonomy he's got recognized into groups based on their physical characteristics and evolution every Kingdom of Life branches into smaller groups while I need to file and branches into classes and so on down to species the animal kingdom is large and diverse

Explanation:

these are all different formats for citing your sources in a research paper. mla stands for modern language association. apa stands for american psychological association. cms stands for the chicago manual of style.