Homology Study guides, Class notes & Summaries

What are the 2 theories of evolution? Explain each - correct answer Gradualism- geologic changes result from slow, gradual, continuous process Punctuated Equilibrium- Long period of stasis punctuated by short bursts of significant change. What was Lamarck's theory and why was it wrong? - correct answer Lamarck = Inheritance of Acquired characteristics- traits acquired during lifetime could be passed on What is natural selection - correct answer Comptetition for limited resources re...

Organism - A living entity made up of one or more cells Theory - An explanation for a very general class of phenomena or observations Cell Theory - All organisms are made of cells and all cells come from preexisting cells Null Hypothesis - Specifies what we should observe when the hypothesis being tested isn't correct Control Group - A group that checks for other factors which are not being tested Two components of scientific theories - Pattern and process Population - Individuals of the ...

Adaptation CORRECT ANSWER Inherited characteristic of an organism that enhances its survival and reproduction in specific environments Natural selection CORRECT ANSWER A process in which organisms with certain inherited characteristics are more likely to survive and reproduce than are organisms with other characteristics. Artificial selection CORRECT ANSWER The selective breeding of domesticated plants and animals to encourage the occurrence of desirable traits Observations of change, f...

Darwin and Wallace's Two Big Ideas Correct Answer-1.) descent with modification 2.) natural selection Special Creation Correct Answer--1700s and early 1800s POPULAR belief that species are FIXED entities that neither change nor give rise to descendant species Darwin and Wallace's Observations Correct Answer--fossils of extinct animals are found where similar animals live today (armadillo and Glyptodon) -Islands near each other have similar but distinct animals living on them -some sp...

BIO 182 Exam Questions with Correct Answers The similarity of bone structure in the forelimbs of many vertebrates is an example of A) analogy B) homology C) digitality D) convergence - Answer-B) homology Which of the following provides evidence that modern species have evolved from prior species? A) the fossil record B) the anatomical record C) the molecular record D) All of the above - Answer-D) All of the above An example of convergent evolution is: A) Australian marsupi...

What are Chordate general characteristics? - ANSWER Eucoelomate Bilateral Symmetry Deuterostomes Chordate functional homologies (4) - ANSWER Notochord Pharyngeal gill slits Dorsal, hollow, single nerve cord Post-anal tail Homology in chordates. A flexible rod running posteriorly from the head to the tail. It acts as an attachment site for muscles and a support structure that can bend. It consists of a large fluid-filled cells encased in a stiff connective tissue. Its present in primit...

AP Biology Exam Questions and Answers Graded A+ What are the 2 theories of evolution? Explain each Gradualism- geologic changes result from slow, gradual, continuous process Punctuated Equilibrium- Long period of stasis punctuated by short bursts of significant change. What was Lamarck's theory and why was it wrong? Lamarck = Inheritance of Acquired characteristics- traits acquired during lifetime could be passed on What is natural selection Comptetition for limited resources re...

BLG 144 Midterm 1 (2024) Questions With 100%Correct Answers. What is the theory of special creation - - all species are independent -life on earth is young-6000 yrs old -species are immutable typological thinking - based on idea that species are unchanging types and that variations within species are unimportant/misleading great chain of being - Aristotle believed that there's a ladder of nature that orders based on increased size and complexity (humans are at the top) Lamark's theory ...

Bio 117 Exam 1 | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+ Evolution Correct Answer: A change in a population overtime *change = usually a slight modification of traits Vestigial Trait Correct Answer: A trait or characteristic that does not function well or at all How can vestigial traits be used to show change in organisms over time? Correct Answer: They are a trait present in ancestors but no longer useful in living organism. Examples: tail bones in hu...

MMSC 490 Final Exam Questions with Correct Answers Humans possess about .............. different cell types. 100 200 500 1,000 - Answer-200 In adult organisms, cell death must be balanced by cell growth. differentiation. renewal. migration. - Answer-renewal The distinct series of changes that characterizes programmed cell death is called necrosis. apoptosis. sepsis. execution. - Answer-apoptosis Cells that die as the result of acute injury undergo lysis. sepsis. apoptosi...