The term pharynx may also be used to describe a differentialed portion of the invertebrate.
This question has a two part answer. The first part is that an asteroid hitting the earth and the second part is massive volcanoes erupting around the world.
Answer:
This model of cancer in cell culture accurately describes the role of telomerase in actual human tumors.
Answer: Woody plants have an extra layer of protection on top of the epidermis made of cork cells known as bark. The vascular tissue of the stem consists of the complex tissues xylem and phloem which carry water and nutrients up and down the length of the stem and are arranged in distinct strands called vascular bundles.
Explanation:
65 million years, if I remember correctly
