Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Life Science Unit 2 Chapter 2 Lesson 1 Start-up Packet Info: Objectives Take packet to lab table Identify bacteria as an and make day 2 observations Answer the following questions in your packet: organism without a nucleus Observe and describe bacteria About haw many people live on the Earth? About how many bacteria are in 1g of garden soil? Bacteria One-celled organisms without a nucleus Kingdom prokaryotae Bacteriologists Microbiologists How many ID’ed? Are they all discovered? Only seen with microscopes Bacteria Structure Tough protective cell wall Determines shape Allows for adverse living conditions Thin slimy layer outside cell wall-capsule Protects from destructive chemicals Cell Membrane- controls substances moving Cytoplasm- jelly like substance Contains enzymes and genetic info Some bacteria has flagellum Thin whip like structure Helps organisms move through liquids Grouping Cocci-round bacteria Bacilli- rod shaped bacteria Vibrios- bent rods Spirella and Spirochetes- spiral shaped We go together like… Descriptive prefixes for linked bacteria Diplo- means pair Staphylo- means cluster Strepto- means chain