BIOD 101 Module 2 Complete Exam Study Questions with Verified Answers Already Graded A+

BIOD 101 Module 2 Complete Exam Study Questions with Verified Answers Already Graded A+ 1. What is an organism? - ANSWER An individual living creature 2. What type of metabolism do animals use? - ANSWER Aerobic 3. What is an ecosystem? - ANSWER A system of living and non living things in a region 4. What are some examples of ecosystems? - ANSWER Grasslands, forests, deserts, coral reefs, soils, climate conditions 5. What is an example of an endotoxin? - ANSWER Salmonella 6. Mycoplasma bacteria lack a ____? - ANSWER Cell wall 7. Gram positive bacteria have a thick layer of...? - ANSWER Peptidoglycan 8. Gram negative bacteria have a very thin peptidoglycan wall underneath a specialized outer membrane composed of a...? - ANSWER Lipopolysaccharide 9. Cynobacteria have a Peptidoglycan cell wall and outer membrane composed of...? - ANSWER Various biological macromolecules 10.What is a decomposer? - ANSWER A prokaryote that breaks down dead or dying organisms 11.How many characteristics of life does the kingdom monera have? - ANSWER 5 12.What are trophic levels? - ANSWER Organization based on feeding relationships 13.What is The Law of Conservation of Mass? - ANSWER Matter within a system is neither created nor destroyed, but rather recycled among various trophic levels 14.Why are autotrophs considered primary producers? - ANSWER They support all other trophic levels 15.What are considered to be autotrophs? - ANSWER Plants, algae, photosynthetic and chemosynthic prokaryotes 16.Why are herbivores considered to be primary consumers? - ANSWER They eat primary producers 17.What do carnivores eat and what are they considered to be? - ANSWER Herbivores, secondary consumers 18.What is an unrooted phylogenetic tree? - ANSWER shows relationships but not a common ancestor 19.Describe members of the Archaea domain. - ANSWER Single called, microscopic organisms with prokaryotic cell structure that reproduce by binary fission 20.What is a plasmid? - ANSWER A single, circular DNA containing structures in the nucleiod region. 21.What is distinct about the plasmids in the Archaea domain? - ANSWER They include other organelles like ribosomes with unique rRNA. 22.What is rRNA? - ANSWER Ribosomal RNA, molecules that facilitate the assembly of amino acids in a protein chain and form ribosomes within the cell. 23.What are communities? - ANSWER Collective organisms within a biological ecosystem 24.What does a community include? - ANSWER All living organisms like fungi, plants, grasses, animals, bacteria, and protists 25.What is a population? - ANSWER A group of one particular species living within the defined bounds of a community 26.Several different ____ make a ____ - ANSWER Populations, community 27.What is an organ system? - ANSWER A group of organs classified as a unit because of shared functions 28.What are organs? - ANSWER Individual structures composed of two or more tissue types that perform a common function 29.What are tissues? - ANSWER A group of similar cells and the immediate environment surrounding them 30.What determines the function of the tissue type? - ANSWER Unique cell types and extracellular environments 31.What are cells? - ANSWER Living structures with organelles that function on a microscopic level to keep the individual alive 32.The smallest level of biological organization is at the... - ANSWER Chemical level 33.What is the chemical level comprised of? - ANSWER Atoms and molecules that are connected by chemical bonds and interactions 34.Who first developed the hierarchical classification system of organisms in the 18th century? - ANSWER Carolus Linnaeus 35.What is a taxon? - ANSWER A unit/level of classification 36.What are the 8 taxonomic levels? - ANSWER Domain, Kingdom, Phylus, Class, Order, Family, Genus, Species