Edexcel GCSE Biology 2BIO1 - Unit B1 Topic 1

Class notes for the 2011 Edexcel GCSE

Biology Unit B1 Topic 1 - Classification, Variation and inheritance

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Biology B1 Topic 1
Classification
B1 Topic 1 Variation
Inheritance
Biology
Topic 2
Topic 3
B2
Science B3
Chemistry
Physics
Learning Outcomes
· Show an understanding of how organisms are classified
· Describe the main characteristics of the 5 kingdoms
· Present information, develop an argument and draw conclusions
Sort the sweets into
Be prepared to explain how
groups ... then try to
you chose to group them
subdivide them.
1

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Biology B1 Topic 1
Draw a diagram of mrs abbot's
wardrobe
· Suggest/show how it might be
organised so that she can find
things easily
Sorting things is like a classification system - each thing
fits into a group depending on how similiar they are to
other things in that group already.…read more

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Biology B1 Topic 1
Tesco Kingdom Katy
Plant Phylum Perry
Fruit Class Can
Citrus Order Offer
Orange Family Fabulous
Oval Genus Great
Kumquat Species Sex
All organisms are classified into one of the five kingdoms
Animalia, Plantae, Fungi, Protoctista, Prokaryotes
Your task
Research the characteristics of the 5 kingdoms.
Write detailed notes in your book.
Summarise the information into a 160 character
text message for each
http://www.oum.ox.ac.uk/thezone/animals/animalid/index.htm
This paragraph has 140
characters including Remember
spaces and punctuation.…read more

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Biology B1 Topic 1
Animalia - multicellular, do not have cell
walls, do not have chlorophyll, feed
heterotrophically
Plantae - multicellular, have cell walls,
have chlorophyll, feed autotrophically
Fungi - multicellular, have cell walls, do not
have chlorophyll, feed saprophytically
Protocista - unicellular, have a nucleus
Prokaryotes - unicellular, have no nucleus
multicellular - made of many cells
unicellular - single celled
chlorophyll - green pigment in plant cells, necessary for
photosynthesis
autotrophic - able to make its own food, by photosynthesis
heterotrophic - aquire…read more

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Biology B1 Topic 1
Remember
There is no kingdom for viruses because most
scientists do not think of them as being alive
Find out information about viruses that supports this statement
When a virus particle enters a living cell, it
changes the way the cell works and causes it to
make copies of the virus.…read more

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Biology B1 Topic 1
Start in Class and Complete for homework
In a successful argument, evidence is presented for and against an
idea and then is used to reach a decision.
"Fungi used to be classified in the Kingdom Plantae.…read more

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Biology B1 Topic 1
"Fungi used to be classified in the Kingdom Plantae.…read more

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Biology B1 Topic 1
phylum Chordata
· Animals with a supporting rod that runs the
length of their body
· Includes vertebrates, which also have an
internal skeleton
· Subdivided into 5 further groups
Describe characteristics of each of the 5
vertebrate groups
Use the information you have collected to
construct a Venn diagram to show the
relationship between vertebrate groups
live birth/vivparous
homeotherm
mammals
internal fertilisation
birds
lungs
fish
reptiles gills
amphibians
8…read more

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Biology B1 Topic 1
Mammals
Amphibians
· Hair or Fur
· moist skin
· Mammary Glands
· larvae (gills) live in water
· Viviparous
· adult (lungs) live on land
· Feed young on milk
· external fertilisation
· Homeotherm
Birds
Fish · Feathers
· live in water · Oviparous (hard shells)
· lay eggs · 2 legs and 2 wings
· have gills · Beak
· scales Reptiles · homeotherm
· dry scales
· oviparous (leathery shells)
· poikilotherm
· lungs
vertebrate - animals…read more

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Biology B1 Topic 1
Task
In 1797 a strange creature was sent from Australia to the Natural
History Museum. This creature had...
"fur, a duck's beak, a beaver's tail, otter's feet, a lizzard shaped
skeleton, it layed leathery eggs and was poisonous"
Suggest how scientists finally made the decision to classify the
platypus as a mammal.…read more

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