Explain how human embryonic stem cells, adult stem cells and skin cells taken from the same person would be the same and how they would be different? explain what causes the differences you describe.

Which animal group is the largest and contains more species from all the other living groups combined? is it mammals or

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.

Introducing minvasive species to an ecosystem results in an increase in biodiversity is it true or false