Classification Flashcards
What does MRS GREN stand for?
M - Movement
R - Respiration
S - Sensitivity
G - Growth
R - Reproduction
E - Excretion
N - Nutrition
What are unicellular organisms?
Unicellular - organisms that are made up of only one cell
What are multicellular organisms?
Multicellular - organisms that are made up of more than one cell
Why do we need to classify things?
- To communicate about a large number of things easily
- To create order
- Separate what is already known from what is new
What is a taxonomist?
A scientist who specialises in grouping and naming living things
Who is known as the “father of taxonomy”?
Carl Linnaeus
What are the 5 kingdoms of living things?
Monera
Protists
Fungi
Plants
Animals
Do Monera have a cell wall?
Yes
Are Monera unicellular or multicellular?
Unicellular
Are Protists unicellular of multicellular?
Unicellular
Are Fungi unicellular of multicellular?
Multicellular
Are Plants unicellular of multicellular?
Multicellular
Are Animals unicellular of multicellular?
Multicellular
Do Monera have a nucleus?
No
Do Monera have chlorophyll?
No
Do Monera make their own food?
No
Do Protists have a cell wall?
Some
Do Protists have a nucleus?
Yes
Do Protists have chlorophyll?
Some
Do Protists make their own food?
No
Do Fungi have a cell wall?
Yes
Do Fungi have a nucleus?
Yes
Do Fungi have chlorophyll?
No
Do Fungi make their own food?
No
Do Plants have a cell wall?
Yes
Do Plants have a nucleus?
Yes
Do Plants have chlorophyll?
Yes
Do Plants make their own food?
Yes
Do Animals have a cell wall?
No
Do Animals have a nucleus?
Yes
Do Animals have chlorophyll?
No
Do Animals make their own food?
No
What are vertebrates?
Animals that develop a backbone
What are the 5 classes of vertebrates?
Amphibians
Reptiles
Birds
Fish
Mammals
What are endotherms and ectotherms?
Endotherms - inside temperature stays the same, if the external temperature changes their body temperature stays the same. eg. mammals and birds
Ectotherms - body temperature changes with the outside temperature. eg. fish, reptiles and amphibians
What are some of the characteristics of a mammal?
- Has hair/fur
- Gives birth to live young
- Endotherm
- Can be terrestrial and aquatic
What are some examples of mammals?
- horse
- human
- chimp
- bat
- hippo
- dolphin
- whale
- seal
What are some of the characteristics of a bird?
- Lays eggs
- Lays eggs in a hard shell
- Endotherm
- Can be terrestrial and aquatic
What are some examples of birds?
- kookaburra
- lorikeet
- penguin
What are some of the characteristics of a reptile?
- Has dry, scaly skin
- Lays eggs leathery
- Ectotherm
- Can be terrestrial and aquatic
What are some examples of reptiles?
- snake
- lizard
- gecko
- crocodile
- sea snake
What are some of the characteristics of a fish?
- Has scales
- Lays eggs in water
- Ectotherm
- Aquatic
What are some examples of fish?
- sharks
- clownfish
- salmon
- tuna
What are some of the characteristics of an amphibian?
- Has moist, permeable skin
- Lays eggs in water
- Ectotherm
- Can be terrestrial and aquatic
What are some examples of amphibians?
- frogs ===> tadpoles ===> fish
- axolotyl
- salamander
What are the 3 different types of mammals?
- Placental
- Monotreme
- Marsupial
What is the reproduction method of a placental mammal?
Nourishes the developing baby inside the mother’s body by a placenta. The baby is born at a more mature stage. Some examples include: dingoes, seals, whales, flying foxes
What is the reproduction method of a monotreme mammal?
The only mammals that lays eggs; this subclass consists of 2 species: the echidna and platypus
What is the reproduction method of a marsupial mammal?
Give birth to tiny undeveloped young that climb into the pouch where it is fed on milk while it grows and finish development. Some examples include: wombats, koalas, tasmanian devils
What are homeotherms?
Warm-blooded animals that maintain a stable internal body temperature regardless of external influence
What are poikilotherms?
Must be able to function over a wider range of temperatures than homeotherms
What are the 7 levels of classification?
K - Kingdom
P - Phylum
C - Class
O - Order
F - Family
G - Genus
S - Species
