Why CANT we live forever GERMS GERMS aka

Why CAN’T we live forever? ?

GERMS!!!

GERMS aka HARMFUL MICROBES!!!

GERMS aka HARMFUL MICROBES aka HARMFUL MICRO-ORGANISMS!!!

MICRO-ORGANISMS = MICROBES 1. BACTERIA 2. VIRUSES 3. PROTOZOA (protists) 4. some FUNGI 5. some PARASITES

MICRO-ORGANISMS = MICROBES 1. BACTERIA 2. VIRUSES 3. PROTOZOA (protists) 4. some FUNGI 5. some PARASITES SOME CAN BE GOOD, SOME CAN BE BAD

PATHOGENS = CONTAGIONS = GERMS = BAD MICROBES = BAD MICROORGANISMS L U F M R HA L FU M R A H HA UL F M R H M R A L U F 1. bad BACTERIA 2. bad VIRUSES 3. bad PROTOZOA (protists) 4. some bad FUNGI 5. some bad PARASITES

One of these are the smallest living things…which one? 1. 2. 3. 4. 5. BACTERIA VIRUSES PROTOZOA (protists) some FUNGI some PARASITES

What is the smallest of all living things? 1. BACTERIA 2. 3. 4. 5. VIRUSES PROTOZOA (protists) some FUNGI some PARASITES

Bacteria are SINGLE-CELLED organisms that are SMALLER THAN OUR BODY’S CELLS. How much smaller? Check out an e. coli bacterium versus our red blood cell. http: //learn. genetics. utah. edu/content/begin/cells/scale https: //scaleofuniverse. com/

Bacterium the smallest living thing

Bacterium (1) Bacteria (many) the smallest living the smallest CELL

Bacterium (1) Bacteria (many) WHAT DO ALL CELLS DO? (from bacteria to our cells)

? R E B M E R CELL THEORY ALL LIVING THINGS are made of CELLS. ALL CELLS arise from (come from) other CELLS are the smallest STRUCTURE of life. CELLS can carry out ALL FUNCTIONS of life. Even 1 - celled little microbes…

? R E B M E R CELL THEORY ALL LIVING THINGS are made of CELLS. ALL CELLS arise from (come from) other CELLS are the smallest STRUCTURE of life. CELLS can carry out ALL FUNCTIONS of life. Even 1 - celled little microbes…

ALL CELLS (all living things) must: ABSORB & USE ENERGY… chemical energy of course

ALL CELLS (all living things) must: absorb & use energy to GROW…

ALL CELLS (all living things) must: absorb & use energy to GROW & REPRODUCE… • stentor budding…weird reproduction • https: //www. youtube. com/watch? v=Fc. C vh. Ymja. XE

ALL CELLS (all living things) must All LIVING THINGS are made of CELLS. All CELLS arise from (come from) other CELLS are the smallest STRUCTURE of life. A CELL can carry out ALL FUNCTIONS of life. 1)ABSORB & USE chemical ENERGY to 2)GROW & 3)REPRODUCE (sexually or asexually) Even 1 - celled little microbes…

Bacterium (1) Bacteria (many) WHAT MUST BACTERIA DO IN ORDER TO BE ALIVE? Just like ALL cells, BACTERIA GROW REPRODUCE! ABSORB & USE CHEMICAL ENERGY!

Do you remember YOUR cell processes? CELL FUNCTIONS ORGANELLES WHAT’S the INVOLVED PROCESS (cell part) CALLED? ABSORB ENERGY 1. 2. WHAT RESULTS? macronutrients enter cell USE CARBOHYDRATE ENERGY GROW REPRODUCE 1. 2. doubles-up the organelles 1. 2. nucleus & then cell split

Simple BACTERIA work similar. BACTERIA CELL FUNCTIONS ABSORB ENERGY ORGANELLES WHAT’S the INVOLVED PROCESS (cell part) CALLED? WHAT RESULTS? MEMBRANE 1. OSMOSIS 2. DIFFUSION macronutrients enter cell PROTEIN SYNTHESIS doubles-up the organelles USE CARBOHYDRATE ENERGY GROW (proteins) RIBOSOMES REPRODUCE

Simple BACTERIA work similar. BACTERIA CELL FUNCTIONS ABSORB ENERGY ORGANELLES WHAT’S the INVOLVED PROCESS (cell part) CALLED? WHAT RESULTS? MEMBRANE macronutrients enter cell 1. OSMOSIS 2. DIFFUSION USE CYTOPLASM ANAEROBIC CARBOHYDRATE RESPIRATION ENERGY (no oxygen needed) GROW (proteins) RIBOSOMES PROTEIN SYNTHESIS REPRODUCE Other CHEMICAL ENERGY doubles-up the organelles

Simple BACTERIA work similar. BACTERIA CELL FUNCTIONS ABSORB ENERGY ORGANELLES WHAT’S the INVOLVED PROCESS (cell part) CALLED? WHAT RESULTS? MEMBRANE macronutrients enter cell 1. OSMOSIS 2. DIFFUSION USE CYTOPLASM ANAEROBIC CARBOHYDRATE RESPIRATION ENERGY (no oxygen needed) GROW (proteins) RIBOSOMES PROTEIN loose DNA SYNTHESIS Other CHEMICAL ENERGY REPRODUCE CELL SPLITS FAST! NO NUCLEUS BINARY FISSION doubles-up the organelles

UNICELLULAR Bacteria are SINGLE-CELLED organisms that are smaller than our body’s cells. How much smaller? Check out an e. coli bacterium versus our red blood cell. http: //learn. genetics. utah. edu/content/begin/cells/scale EACH ONE a CELL… EACH ONE ALIVE (but still communicating)

That slippery film on the inside of an old glass is mostly good bacteria! Earth has MILLIONS OF SPECIES of BACTERIA, ONE GLASS of CLEAN, DRINKING WATER contains TEN MILLION HELPFUL BACTERIA! ) These 10 million represent at least a COUPLE THOUSAND different

…Compared to us apes, there are only a handful of ape species (including us).

Of course, these bacteria can be pathogenic contagions too… �THIS IS JUST A SHORT LIST OF DIFFERENT BACTERIA THAT CAN BE FOUND JUST IN THE HUMAN BOWEL SYSTEM THAT CAN BE HARMFUL.

freaky fact of the day!

freaky fact of the day!

Earth has MILLIONS OF SPECIES of bacteria, �BUT ONLY A HANDFUL of SHAPES: )

How long have we had BACTERIA on EARTH? ? ? http: //www. cnn. com/videos/world/2017/ 03/01/earths-oldest-fossils. cnn

http: //www. cnn. com/videos/world/2017/ 03/01/earths-oldest-fossils. cnn show vid… How long have we had BACTERIA on EARTH? ? ? Scientists at the University College London say they have discovered the remains of microorganisms in Quebec, Canada that are at least 3. 77 billion years old. If they are proven to have a biological origin, they would be the oldest microfossils ever found. The discovery comprises tiny filaments and tubes formed by bacteria that lived on iron, They were found in quartz layers in the Nuvvuagittuq Supracrustal Belt in Quebec, Canada, which contains some of the Earth's oldest known sedimentary rocks, it said. "Our discovery supports the idea that life emerged from hot, seafloor vents shortly after planet Earth formed. “ --3/1/17

ABSOLUTE, RADIOACTIVE DATING SHOW BACTERIA have been on Earth over 3. 7 BILLION YEARS!!. 3. 7 out of 4. 5 billion years our Earth has had BACTERIA!

. Bacteria are our most primitive life on our planet… They’ve been on Earth for BILLIONS of years! In contrast, HUMANS have been here only 0. 0001 out of 4. 5 billion years on Earth wimpy, wimpy

calcs out If we EVER find life on other planets, it’s no wonder why scientists think it will be BACTERIAL. BACTERIA: (3. 7 / 4. 5) x 100 = HUMANS: (0. 0001 / 4. 5) x 100 =

If we EVER find life on other planets, it’s no wonder why scientists think it will be BACTERIAL. BACTERIA: (3. 7 / 4. 5) x 100 = 82% of EARTH HISTORY HUMANS: (0. 0001 / 4. 5) x 100 = 0. 002% of EARTH HISTORY

. Bacteria BY FAR are the most SUCCESSFUL LIFE on our planet… No WAY we can stop They’ve been on Earth for BILLIONS of years! them all!! Why?

. Bacteria BY FAR are the most SUCCESSFUL LIFE on our planet… No WAY we can stop They’ve been on Earth for BILLIONS of years! them all!! Why? IF WE TRY TO STOP THEM, WE LOSE!

Why are bacteria MOST SUCCESSFUL? 1. • • 2. • • 3. • •

Why are bacteria MOST SUCCESSFUL? 1. • • 2. • • 3. • • Leave plenty of space between each number!

Under IDEAL conditions, bacteria can divide & split every 20 minutes! It takes us til we are teenagers before we can get pregnant (please don’t). And even then it takes 9 months for a baby to be born.

If you started with just 10 teeny microbe bacteria, and they split every 20 minutes, how many will you have in just 5 hours? Time passed # of bacteria BEGIN 10 : 20 20 : 40 40 1 HOUR 1: 20 1: 40 2 HRS 2: 20 2: 40 3 HRS 3: 20 3: 40 4 HRS 4: 20 4: 40 5 HRS

If you started with just 10 teeny microbe bacteria, and they split every 20 minutes, how many will you have in just 5 hours? Time passed # of bacteria BEGIN 10 : 20 20 : 40 40 1 HOUR 80 1: 20 160 1: 40 320 2 HRS 2: 20 2: 40 3 HRS 3: 20 3: 40 4 HRS 4: 20 4: 40 5 HRS

If you started with just 10 teeny microbe bacteria, and they split every 20 minutes, how many will you have in just 5 hours? Time passed # of bacteria BEGIN 10 : 20 20 : 40 40 1 HOUR 80 1: 20 160 1: 40 320 2 HRS 640 2: 20 1, 280 2: 40 2, 560 3 HRS 3: 20 3: 40 4 HRS 4: 20 4: 40 5 HRS

If you started with just 10 teeny microbe bacteria, and they split every 20 minutes, how many will you have in just 5 hours? Time passed # of bacteria BEGIN 10 : 20 20 : 40 40 1 HOUR 80 1: 20 160 1: 40 320 2 HRS 640 2: 20 1, 280 2: 40 2, 560 3 HRS 5, 120 3: 20 10, 240 3: 40 20, 480 4 HRS 4: 20 4: 40 5 HRS

If you started with just 10 teeny microbe bacteria, and they split every 20 minutes, how many will you have in just 5 hours? Time passed # of bacteria BEGIN 10 : 20 20 : 40 40 1 HOUR 80 1: 20 160 1: 40 320 2 HRS 640 2: 20 1, 280 2: 40 2, 560 3 HRS 5, 120 3: 20 10, 240 3: 40 20, 480 4 HRS 40, 960 4: 20 81, 920 4: 40 163, 840 5 HRS 327, 680

What did we get? In just 5 hours, 10 bacteria turned into over 300, 000 micro-organisms

How many bacteria can there be in 8 hours? Time passed # of bacteria 5 HOURS 327, 680 5: 20 5: 40 6 HRS 6: 20 6: 40 7 HRS 7: 20 7: 40 8 HRS

How many bacteria can there be in 8 hours? OVER 167 MILLION! Time passed 5 HOURS # of bacteria 327, 680 5: 20 5: 40 6 HRS 2, 621, 440 6: 20 6: 40 7 HRS 7: 20 7: 40 8 HRS >167 MILLION

Why are bacteria MOST SUCCESSFUL? 1. They reproduce VERY quickly. •

Why are bacteria MOST SUCCESSFUL? 1. They reproduce VERY quickly. • What does this look like on a graph?

Bacteria can split (through _______) in 2 as fast as every 20 minutes!!! N u 1. 1 M m b e 900 K r of 700 K b 500 K a c t 300 K e r 100 K i a 1 hr 2 hrs 3 hrs 4 hrs Time: every 20 minutes 5 hrs

Bacteria DIVIDE can in split 2 (through _______) as fast as every 20 minutes!!! N u 1. 1 M m b e 900 K r of 700 K b 500 K a c t 300 K e r 100 K i a 1 hr 2 hrs 3 hrs 4 hrs Time: every 20 minutes 5 hrs

Bacteria DOUBLE can split (through _______) as fast as every 20 minutes!!! N u 1. 1 M m b e 900 K r of 700 K b 500 K a c t 300 K e r 100 K i a 1 hr 2 hrs 3 hrs 4 hrs Time: every 20 minutes 5 hrs

It’s hard to make a graph BIG enough to show yikes that much growth!!! N u 1. 1 M m b e 900 K r of 700 K b 500 K a c t 300 K e r 100 K i a 1 hr 2 hrs 3 hrs 4 hrs Time: every 20 minutes 5 hrs

�oh man, that’s crazy growth.

Why are bacteria MOST SUCCESSFUL? 1. They reproduce VERY quickly! hey can survive almost anything! not through mitosis HOW?

Why are bacteria MOST SUCCESSFUL? 1. They reproduce VERY quickly! § BINARY FISSION ey can survive almost anything!

NUCLEAR FISSION like when at ATOM splits in two! 1. They reproduce qui 1. BINARY FISSION 2. They can survive almost anything!

Bacteria split SIMPLY in two through BINARY fission. y can survive almost anything!

Bacteria split SIMPLY in two through BINARY fission (no nucleus-no mitosis). y can survive almost anything! Not SEXUAL, either.

Why are bacteria MOST SUCCESSFUL? 1. They reproduce VERY quickly. • BINARY FISSION-SUPERFAST Asexual • NO NUCLEUS-no mitosis They can survive almost anything!

WHY is BACTERIA BINARY FISSION so much FASTER than MITOSIS? 1. They reproduce quickly. 1. BINARY FISSION-superfast asexual reproduction 2. They can survive almost anything! 3. They have lots of species, each genetically different. 4. Some work with us!

WHY is BACTERIA BINARY FISSION so much FASTER than MITOSIS? 1. They reproduce quickly. 1. BINARY FISSION-superfast asexual reproduction E R A A T I A R H W CTE G? BA SSIN MI 2. They can survive almost anything!

WHY is BACTERIA BINARY FISSION so much FASTER than MITOSIS? 1. They reproduce quickly. 1. BINARY FISSION-superfast asexual reproduction ! A M K O LO NO S! EU L C U N 2. They can survive almost anything!

WHY is BACTERIA BINARY FISSION so much FASTER than MITOSIS? 1. They reproduce quickly. 1. BINARY FISSION-superfast asexual ! O S N U reproduction E L C 2. They can survive almost anything! U N

REMEMBER: WHAT RHYMES WITH “NO”? ? ?

PROkaryote cells have NO nucleus! BACTERIA are PROkaryotic NO nucleus creatures!

or cilia on some

PROKARYOTE or cilia on some

Why are bacteria MOST SUCCESSFUL? 1. They reproduce VERY quickly. • BINARY FISSION-superfast Asexual divide • NO NUCLEUS-no mitosis • PROKARYOTE cell means NO NUCLEUS 2. They can survive almost anything! http: //www. biology 4 kids. com/files/micro_pr okaryote. html

bacteria growth worksheet…