Ib Biology Hl Exam 2022/2023 With 100% Correct Answers

What are the characteristics common to all forms of life? reproduction, carbon, responds to surroundings, Growth and Development, cellular organization, and energy What are the levels of biological organization from simple to most complex? Molecules, cell, tissue, organ, organism, population, community, ecosystem, biosphere 00:28 01:24 What are the 4 most common types of biological molecules? Proteins, nucleic acids, carbohydrates, and lipids Organelle any of a number of organized or specialized structures in a living cell Cell The smallest structure and functional unit of an organism. Tissue The material of specialized cells and their products that make a wall of cells and their products Organ a part of an organism that is self-contained and serves a function Organism an individual animal, plant, or single-celled life form What are the similarities and differences of a population and an ecosystem? a population and ecosystem both include organisms, however a population is one type of species while an ecosystem is both biotic and abiotic things. What is the definition of emergent properties? the feature that can't be directly from the features of its simpler parts eg. the taste of salt w/ the combination of Na+Cl What are the 4 shared characteristics of cells? DNA, cytoplasm, ribosome, and plasma membranes What is the definition of unicellular organisms? an organism that consists only of 1 cell eg. bacteria/microorganisms