Biology; Fossils and the geological timescale

creating either a holistic or an analytic rubric for the file i attachedApril 14, 2021

Write two essays in separate paragraph one paragraph for each 8-10 sentence don’t need extra informationjust answer to the pointB) To understand how organisms are related to each other, we use a variation of tools at our disposal. Usingfossils and the geological timescale is one of the ways to do so. So is comparative anatomy. Is a bird’s and abat’s wings an analogous or homologous structure? Why? We also compare vertebrate embryos to see howsimilar organisms are when they are developing. Name 2 structures found in all vertebrate embryos. We alsouse molecular evidence to back our relationship understanding between the two organisms. What isCytochrome C? Why is it important to sequence it?C) We did an in-depth review of the cardiovascular system. Name 2 of its main components and what do theydo. What is the function of the pericardium? We have valves in heart. What do they do? Name two of them.Arteries and veins both carry blood, what is the difference between them? The cardiac cycle is a sequence ofevents that occurs within one complete heartbeat. What’s the difference between the systole and diastolephase?
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