Unit 5 Flashcards
Define Taxonomy
The science of grouping and naming organisms based on their shared characteristics.
Organisms are grouped into similar _____.
Taxa (taxon).
What are the reasons we classify organisms?
To show a relationship between them- To understand the diversity of life- To provide a common system to all living organisms. RDS
Although grouping and classifying organisms occurred as far back as Aristotle, _____ is considered the father of taxonomy.
Carl Linnaeus
What does binomial mean?
2 parts
What dos nomenclature mean?
Name
Explain everything about first part of the word.
Genus- Genus name always starts w/ a capital letter.
Explain everything about the second part of the word.
Species- Species name all lower case.
What are the parts of the Hieracherical system?
Domain-Kingdom-Phylum-Class-Order-Family-Genus-Species King Philip Came Over for Good Soup
What happens when you move from species to Kingdom?
Increasing Numbers/Decreasing Similarity
What happens when you move from Kingdom to Species?
Decreasing Numbers/Increasing Similarity
What are some characteristics of animals?
Multicellular-Made of up tissues (a group of cells that are working together)-Move using a combination of nerves and muscles- Reproduce through sexual reproduction MTNR
What are the two main groups of animals?
Invertebrates-Vertebrates IV
Define Invertebrate
Without a backbone
Define Vertebrate
With a backbone
What are some characteristics of Invertebrates
Lack a vertebral column (backbone/spine)-Shell made of Calcium Carbonate-Exoskeleton made of Chitin VCC
What is the use of a vertebral column?
To protect the spinal cord.
What are all of the Phylums?
Porifera-Cnidaria-Platyhelminthes-Echinodermata-Annelida-Nematoda-Arthropoda-Mollusca-Chordata PC-PEAN-AMC
Explain everything about Porifera.
Sponges PS
Sessile- permanently attached spicules-slender pointed hard body
Explain everything about Cnidaria.
Jellies and Corals CJC
Radially Symmetrical
Digestive cavity with only 1 opening
Explain everything about Platyhelminthes.
Flatworms PF
Have body organs
Simple digestive and nervous system
Bilateral Symmetry- Two halves of the body mirror each other.
Explain everything about Echinodermata.
Sea Stars and Sea Urchins ESS
5 Fold Radial Symmetry
CaCO3 Skeleton
Tube Feet: operated by fluid pressure (hydrostatic skeleton)
Explain everything about Annelida.
Segmented Worms AS
Segmented Body Wall
Surface scales or bristles
Explain everything about Nematoda.
Round Worms NR
Unsegmented Body- a tapered tube.
Move by coiling and uncoiling.
Lots of parasites.
Explain everything about Arthropoda.
Crustaceans- Lobster, crab, and Shrimp ALCS
Jointed Appendages
Hard exoskeleton made of chitin
Bilateral Symmetry
Reproduce Sexually
Explain everything about Mollusca
Snails, Squid, Clams MSSC
Open circulatory system
Animal covered with a shell of 1,2, or 8 pieces.
Can be without an external shell but w/ a muscular foot or 8 tentacles.
Explain everything about Chordata.
Mammals, Reptiles, Birds, Fish, Sharks CMRBFS
Animal body bilateral symmetry
Animals w/ a notochord (often becomes backbone).
