Studied by 26 people
what phylum did we study in laboratory 5
Magnoliophyta
what are the three organs in angiosperms which we examined
root
stem
leaf
what is this fossil in the image
hint: oldest known angiosperm fossil
~130 mya, cretaceous
Archaefructus
what is this fossil in the image
hint: angiosperm fossil
~50 mya, tertiary
Florissantia
what two classes within the Magnoliophyta phylum did we observe
Magnoliopsida
Liliopsida
what genus of Magnoliopsida seed did we observe
Capsella
what specifically is the structure in this diagram
mature embryo
name the structure in label 1
root apical meristem (region of root growth)
name the structure in label 2
hypocotyl (stem axis below cotyledons)
name the structure in label 3
stem apical meristem (region of stem growth)
name the structure in label 4
mature embryo (both the hypocotyls and cotyledons)
name the structure in label 5
testa (mature seed coat)
name the structure in label 6
cotyledons (embryo leaves)
what genus of Liliopsida seed did we observe
Zea
the majority of the Zea seed consists of …
endosperm
what specifically is the structure in this diagram
mature embryo
name the structure in label 1
endosperm (embyro nutrient)
name the structure in label 2 (the whole structure)
mature embryo
name the structure in label 3
coleoptile (sheath protects plumule)
name the structure in label 4
plumule (embryonic shoot bearing steam apical meristem)
name the structure in label 5
pericarp (fruit wall)
name the structure in label 6
scutellum (cotyledon absorbs endosperm)
name the structure in label 7
mesocotyl (scutellum attachment point)
name the structure in label 8
coleorhiza (sheath protects radicle)
name the structure in label 9
radicle (embryonic root)
what genus of Magnoliopsida root did we observe
Ranunculus
what type of root does a Ranunculus plant have
dicot
what is the general and specific stele type of the Ranunculus root
protostele
actinostele
name the structure in label 1
cortex
name the structure in label 2
epidermis
name the structure in label 3
endodermis
(zoomed in area inside the endodermis) name the structure in label 1
casparian strip (red strip between endodermis cells)
(zoomed in area inside the endodermis) name the structure in label 2
pericycle (cell layer beneath endodermis)
(zoomed in area inside the endodermis) name the structure in label 3
phloem
(zoomed in area inside the endodermis) name the structure in label 4
xylem
what is the cell layer called between phloem and xylem
vascular cambium
what genus of Liliopsida root did we observe
Smilax
what type of root does a Smilax root have
monocot
what is the general and specific stele type of the Smilax root
siphonostele
eustele
name the structure in label 1
pith
name the structure in label 2
pericycle
name the structure in label 3
cortex
name the structure in label 4
epidermis
name the structure in label 5
endodermis
name the structure in label 6
casparian strip
name the structure in label 7
xylem
name the structure in label 8
phloem
what 2 genus of Magnoliopsida stem did we observe
Medicago
Tilia
what kind of stem does a Medicago plant have
dicot, primary growth
the stem of a Medicago plant has vascular bundles in a …. (shape)
concentric ring
what is the general and specific stele type of a Medicago stem
siphonostele
eustele
name the structure in label 1
pith
name the structure in label 2
vascular bundles (location of xylem and phloem)
name the structure in label 3
pith ray (area between vascular bundles)
name the structure in label 4
phloem
name the structure in label 5
xylem
name the structure in label 6
fiber cap (outermost vascular bundle cell region)
name the structure in label 7
cortex
name the structure in label 8
epidermis
name the structure in label 9
fascicular cambium (within bundle)
name the structure in label 10
vascular cambium (both inter-fascicular and fascicular)
what structure is found within the pith ray between bundles
inter-fascicular cambium
what kind of stem does a Tilia plant have
dicot, secondary growth
name the structure in label 1
secondary xylem
name the structure in label 2
vascular cambium
name the structure in label 3
periderm
name the structure in label 4
cortex
name the structure in label 5
primary phloem
name the structure in label 6
secondary phloem
name the structure in label 7
dilated pith ray (area between phloem)
name the structure in label 8
pith
name the structure in label 9
primary xylem
what genus of Liliopsida stem did we observe
Zea
the stem of a Zea plant has numerous vascular bundles which are …
scattered
what type of general and specific stele type does a Zea stem have
actatostele
name the structure in label 1
epidermis
name the structure in label 2
phloem
name the structure in label 3
xylem
name the structure in label 4
vascular bundle
name the structure in label 5
bundle sheath
what are the three type of Magnoliopsida leaves did we observe
Hydrophyte
Mesophyte
Xerophyte
a hydrophyte leaf is known to be adapted to
aquatic habitats with abundant moisture
what genus of Magnoliopsida possess hydrophyte leaves
Nymphea
name the structure in label 1
palisade mesophyll (uppermost layer)
name the structure in label 2
spongy mesophyll (lowermost layer)
name the structure in label 3
mesophyll
name the structure in label 4
Trichosclereid (large irregular shaped mesophyll cell)
name the structure in label 5
xylem
name the structure in label 6
phloem
name the structure in label 7
vascular trace
name the structure in label 8
air space (within spongy mesophyll)
name the structure in label 9
abaxial epidermis
name the structure in label 10
stomatal chamber
name the structure in label 11
guard cells
name the structure in label 12
adaxial stomate
name the structure in label 13
adaxial epidermis
give three characters of a hydrophyte leaf we observed
little to no cuticle
large air spaces
adaxial stomates
a mesophyte leaf is known to be adapted to habitats with
moderate moisture
what genus of Magnoliopsida possesses mesophyte leaves
Syringia
name the structure in label 1
mesophyll
Note
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