Unit 5

Question 1

Define Taxonomy

Answer 1

The science of grouping and naming organisms based on their shared characteristics.

Question 2

Organisms are grouped into similar _____.

Answer 2

Taxa (taxon).

Question 3

What are the reasons we classify organisms?

Answer 3

To show a relationship between them- To understand the diversity of life- To provide a common system to all living organisms. RDS

Question 4

Although grouping and classifying organisms occurred as far back as Aristotle, _____ is considered the father of taxonomy.

Answer 4

Carl Linnaeus

Question 5

What does binomial mean?

Answer 5

2 parts

Question 6

What dos nomenclature mean?

Answer 6

Name

Question 7

Explain everything about first part of the word.

Answer 7

Genus- Genus name always starts w/ a capital letter.

Question 8

Explain everything about the second part of the word.

Answer 8

Species- Species name all lower case.

Question 9

What are the parts of the Hieracherical system?

Answer 9

Domain-Kingdom-Phylum-Class-Order-Family-Genus-Species King Philip Came Over for Good Soup

Question 10

What happens when you move from species to Kingdom?

Answer 10

Increasing Numbers/Decreasing Similarity

Question 11

What happens when you move from Kingdom to Species?

Answer 11

Decreasing Numbers/Increasing Similarity

Question 12

What are some characteristics of animals?

Answer 12

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

Question 13

What are the two main groups of animals?

Answer 13

Invertebrates-Vertebrates IV

Question 14

Define Invertebrate

Answer 14

Without a backbone

Question 15

Define Vertebrate

Answer 15

With a backbone

Question 16

What are some characteristics of Invertebrates

Answer 16

Lack a vertebral column (backbone/spine)-Shell made of Calcium Carbonate-Exoskeleton made of Chitin VCC

Question 17

What is the use of a vertebral column?

Answer 17

To protect the spinal cord.

Question 18

What are all of the Phylums?

Answer 18

Porifera-Cnidaria-Platyhelminthes-Echinodermata-Annelida-Nematoda-Arthropoda-Mollusca-Chordata PC-PEAN-AMC

Question 19

Explain everything about Porifera.

Answer 19

Sponges PS

Sessile- permanently attached spicules-slender pointed hard body

Question 20

Explain everything about Cnidaria.

Answer 20

Jellies and Corals CJC

Radially Symmetrical

Digestive cavity with only 1 opening

Question 21

Explain everything about Platyhelminthes.

Answer 21

Flatworms PF

Have body organs

Simple digestive and nervous system

Bilateral Symmetry- Two halves of the body mirror each other.

Question 22

Explain everything about Echinodermata.

Answer 22

Sea Stars and Sea Urchins ESS

5 Fold Radial Symmetry

CaCO3 Skeleton

Tube Feet: operated by fluid pressure (hydrostatic skeleton)

Question 23

Explain everything about Annelida.

Answer 23

Segmented Worms AS

Segmented Body Wall

Surface scales or bristles

Question 24

Explain everything about Nematoda.

Answer 24

Round Worms NR

Unsegmented Body- a tapered tube.

Move by coiling and uncoiling.

Lots of parasites.

Question 25

Explain everything about Arthropoda.

Answer 25

Crustaceans- Lobster, crab, and Shrimp ALCS

Jointed Appendages

Hard exoskeleton made of chitin

Bilateral Symmetry

Reproduce Sexually

Question 26

Explain everything about Mollusca

Answer 26

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.

Question 27

Explain everything about Chordata.

Answer 27

Mammals, Reptiles, Birds, Fish, Sharks CMRBFS

Animal body bilateral symmetry

Animals w/ a notochord (often becomes backbone).