Stem cells are what allow planaria to grow and regenerate as the stem cells can change into any of the cells that make up the planaria.
A trilobite. Trilobites became extinct about 250 million years ago while a ammonite became extinct around the same time as dinosaurs(65 million years ago). You wouldn't find a human skull or a dinosaur footprint
Answer:
Explanation:
1st question is humans eat other organisms to get nutrients they need to survive.
2nd one is Eukaryota domain
Answer:
the Sun
The Moon gets its light from the Sun. In the same way that the Sun illuminates Earth, the Moon reflects the Sun's light, making it appear bright in our sky.
