Bio 112 - Study guides, Class notes & Summaries

One definition of evolution is that evolution is "descent with modification". What does "modification" refer to in this definition? (1) Mutation and (2) Sexual Mixing What is the only statement that is NOT true about the genetic relatedness of life on Earth? Gorillas are the closest living relative to humans All but one feature listed below are shared between family trees and phylogenetic trees. Represent populations on each branch Which of the following is the only TRUE statement abou...

BIO 112 UBC Exam Study Guide | Actual Exam Questions | 100% Correct Answers | Verified 2024 Version

Bio 112 Unit 1 Test Questions And Answers Latest Update (2025)!!

mollusca body plan shared features -foot: mass of muscle tissue used for movement and/or manipulation -visceral mass: clump that contains most of the organs -mantle: tissue that drapes over the organ clump and secretes the shell in shelled members 4 characteristics shared by all animals -eukaryotic- membrane bound nucleus and organelles -multicellular -heterotrophic- consumes food to get energy -have tissues that develop from embryonic layers (germ layers) germ layer formation step 1 spe...

BIO 112 Test 4 With Correct Answers (2025)!!

Bryophytes Characteristics Vascular: no Seed Bearing: no Dominant Generation: gametophyte Examples/Phyla: liverwort, mosses, hornwort Special features: use spores, no seeds, need water for reproduction Paleozoic or Mesozoic: Paleozoic Ferns Characteristics Vascular: yes Seed Bearing: no Dominant Generation: sporophyte Examples/Phyla: monilophyta Special features: have sporangium Paleozoic or Mesozoic: Paleozoic Gymnosperms Characteristics Vascular: yes Seed Bearing: yes Dominant...

An ecosystem would include all of the following except -nonliving air, water, soil, and other components in an area. -a community that may include primary producers, consumers, and decomposers. -populations of organisms in the same species. -the biosphere, with its resources and functioning systems. -None of the answer choices are correct. - the biosphere, with its resources and functioning systems. At the ecosystem level, the organisms and their environmental conditions are all considere...

Which of the following are examples of biotic factors that could impact a living organism (for the organism in parenthesis)? Choose all that apply. At least one is correct. A. When a plant in the forest is outcompeted by a more shade-tolerant species. (for the shade-sensitive plant) Correct Answer When a human provides a home to 10^11 bacteria in their gut (for the bacteria) B. When a human provides a home to 10^11 bacteria in their gut (for the bacteria) C.When a plant's growth is l...

BIO 112 LAB EXAM 1 TAMU LATEST UPDATE GRADED A+ population All organisms of the same group or species that inhabit the same area and can interbreed genetics The study of how the characteristics of one generation are passed on to the next genetic structure Distribution of genotype frequencies within a population evolution The change in heritable characteristics of a population over generations selection The process whereby a genotype increases or decreases in frequency bec...

ECPI Final Exam Bio 112 Questions with Correct Answers Osmosis is the movement of - -water through a selectively permeable membrane down its concentration gradient The ability of an organism to sense and react to changes in its body illustrates - - responsiveness In negative feedback mechanisms, changes away from the normal state - -stimulate changes in the opposite direction to restore normal levels Which of the following are living organisms simplest unit? - -cells An organic compound...