The answer is the bottom answer you have marked. All of the above.
Asexual is when they reproduce by themselves and sexual is when they need a partner to reproduce or create something
Answer: Layer a is 500 million years old.
Explanation:
Trilobite is a member of the group of extinct arthropods found as fossils and they can be identified by the three-lobed as well as three segmented forms. These were the marine animals. These were appeared initially in the Cambrian Period. They used to live 542 million years ago so the fossils can be estimated to be aged of 500 above years old. These animals used to dominate in the sea area.
Answer:
mitosis
Explanation:
because mitosis is a continuous cell division process which occur in the somatic cell