Classification

Question 1

the hierarchy of taxa

Answer 1

kingdom
phylum
class
order
family
genus
species

Question 2

Phylum Bryophyta

Answer 2

e. g. mosses
- Rhizoids, some with simple stems and leaves
- no vascular tissue
- no cambium (no growth side wides)
- no pollen (spores)
- no ovaries or ovules
- no seeds
- no fruits

Question 3

Phylum Filicinophyta

Answer 3

e. g. ferns
- roots, stems and leaves are usually present
- vascular tissue
- no cambium
- no pollen
- no ovaries
- no seed
- no fruit

Question 4

Phylum Coniferophyta

Answer 4

e. g. pine cypress, cedar
- roots, stems and leaves are usually present
- vascular tissue
- cambium
- polen in male cones
- ovules in female cone
- seeds
- no fruits

Question 5

Phylum Angiospermophyta

Answer 5

e. g. flowering plants
- roots, stems and leaves are usually present
- vascular tissue
- cambium (some)
- pollen (anthers)
- ovules (inside flowers)
- seeds
- fruits

Question 6

Phylum Porifera

Answer 6

e. g. sponges
- no clear symmetry
- attached to a surface
- pores through the body
- internal skeleton
- no anus and mouth

Question 7

Phylum Cnidaria

Answer 7

e. g. jellyfish, corals, sea anemones
- radial symmetry
- hydrostatic skeleton (corals Ca CO3)
- tentacles
- stinging cels
- tentacles arranged in rings around the mouth
- mouth but not anus

Question 8

Phylum Platyhelminthes

Answer 8

e. g. planaria, tapeworms, liver flukes
- bilateral symmetry
- hydrostatic skeleton
- flat bodies
- unsegmented
- mouth but no anus

Question 9

Phylum Annelida

Answer 9

e. g. earthworm, leech, ragworm, sandworm
- bilateral symmetry
- hydrostatic skeleton
- bristles often present
- segmented
- mouth and anus

Question 10

Phylum Mollusca

Answer 10

e. g. slugs, snails, clams, squids
- muscular foot, mantel and radula
- bilateral symmetry
- hydrostatic skeleton
- shell usually present (Ca CO3)
- segmentation not visible
- mouth and anus

Question 11

Phylum Arthropoda

Answer 11

e. g. spiders, insects, crabs, millipedes.
- bilateral symmetry
- exoskeleton (chitin)
- segmented
- joined appendages
- mouth and anus

Question 12

Phylum Chordate

Answer 12

notochord (string of cartilage for support)

many have a backbone

Question 13

subphylum Vertebrata

Answer 13

e.g. fish, amphibians, reptiles, birds, and mammals skin