Number and answer the following questions with correct grammar and correct answe

Number and answer the following questions with correct grammar and correct answers.
1)    Define a “basal” group and a “sister” group in the context of a phylogenetic tree.
2)    What is convergent evolution? Give an example from the natural world.
3)    Define and give an example of a vestigial structure in an animal.
4)    Choose an invertebrate group and describe three major characteristics of its anatomy.
5)    Define the following terms: coelom, gastrovascular cavity, protostome, deuterostome.
6)    Define epithelium and give an example of epithelial tissue in the animal body. What properties are shared by all types of epithelial tissue?
7)    What are the key characteristics of chordates? Describe each characteristic in 1-2 sentences in your own words.
8)    Why was the amniotic egg important to the evolution of vertebrate life on land?
9)    What is homeostasis and why is it important for animals to maintain it? Give an example of an animal maintaining homeostasis.
10)    Define endothermy and ectothermy and give an example of an animal using each strategy.
11)    If a mouse and a small lizard of the same mass (both at rest) were placed in experimental chambers under identical environmental conditions, which animal would consume oxygen at a higher rate? Explain.