Lab Practical-1

Question 0

Amoeboza

Answer 0

Blunt, lopodia for movement and food

1. Loboseans
2. Slime mold

Question 1

Alveolates

Answer 1

Alveoli under membrane

1. Ciliates: paramecium
   - micronucleus: conjugation
   - macronucleus: cell activity
2. Dinoflagellates: perindium and ceratium.

Question 2

Excavate

Answer 2

2,3,4 flagella

1. Euglenids: functions as heterotrophic when no sun, posses chloroplast =photosynthesis
2. Kinetoplastids: all heterotrophic, some parasitic. Dark lump stain in DNA
3. Parabasalids: reduced mitochondria, axostyle through center.

Question 3

Rhizaria

Answer 3

Unicellular psedopdia

1. Foraminiferans: reticulopodia
   - white cliffs of Dover
   - calcium carbonate
2. Radiolarians: looks like glass made of Cilica
   - axopodia

Question 4

Stramenopile

Answer 4

2 unequal flagella, chloroplasts contain a&c chlorophyll, fucoxanthin

1. Brown algae: unicellular. Blade, pneumatocysts, stipe, holdfast
2. Diatoms: Uni or multicellular. Albinos acid.
   - looks like beads
   - centric: Circe
   - pennate: elongated
   - Cell wall: frustules
   - Two halfs: valves

Question 5

Chlamydomonas growth form …

Answer 5

Unicellular

Question 6

Multicellular-colonial

Answer 6

• Chara
• spirogyra
• volvox

Question 7

Multicellular-filamentous

Answer 7

Polysiphonia

Question 8

Charaphyte

Answer 8

Chara

Spirogyra

Question 9

Chlorophyte

Answer 9

Ulva
Volvox
Chlamydomonas

Question 10

Red Algae

Answer 10

Chondrus

Polysiphonia

Question 11

1. Chara is also know as what?
2. Ulva is also know as what?
3. What are volvox made of?
4. What is chondrus?
5. What is chlamydomonas responsible for?
6. What does spirogyra posses?

Answer 11

1. Skunk weed
2. Sea lettuce
3. Spherical colonies
4. Leafy algae that produces phycoerthrin
5. One species responsible for “red snow”
6. Posses a spiral-shaped chloroplast

Question 12

What is synapomorphy?

Answer 12

Derived characteristics

Question 13

What ecosystems are cholorophytes found in? Charophytes?

Answer 13

• marine

- freshwater

Question 14

List of seaweeds:

Answer 14

Ulva 
Chondrus 
Laminaria 
Fucus 
Sargassum

Question 15

What is desiccation?

Answer 15

Extreme dryness

Question 16

What does the non-vascular group consist of?

Answer 16

Mosses

Question 17

What does the vascular group consist of?

Answer 17

Club mosses
Ferns
Horsetails

Question 18

What are the characteristic of club moss? (Seedless vascular)

Answer 18

• leaves, stems & roots
• microphyll leaves
• sporophyte=dominant

Question 19

What are the characteristics of horsetails? (Seedless vascular)

Answer 19

• hollow (bamboo like impreganted with cilica)
• leaves, stems, & roots
• magaphyll leaves
• sporophyte = dominant

Question 20

Characteristics of ferns? (Seedless vascular)

Turn into adult fronds

Answer 20

• compound leaves referred to as fronds
• true leaves, stems & roots
• leaves = fiddleheads

Question 21

Characteristics of mosses? (Non-vascular)

Answer 21

Gametophyte = dominant

Question 22

Sori or sorus is what?

Answer 22

Cluster of sporangia

Question 23

Antheridia?

Archegonia?

Answer 23

Sperm

Single egg

Question 24

Cuticle? | Stomata?

Answer 24

Waxy covering | Allows gas through cuticle

Question 25

Are gametophytes diploid or haploid? I

Answer 25

Haploid (n) | Produce haploid gametes by mitosis

Question 26

Megaspores create what?

Answer 26

Megagametophytes

Question 27

Megagametophytes produce what?

Answer 27

Eggs

Question 28

Microspores produce what?

Answer 28

Microgametophyte (pollen grain)

Question 29

Microgametophytes produce what?

Answer 29

Sperm

Question 30

Gymnosperms do not produce?

Answer 30

Flowers or fruits

Question 31

Cycads are?

Answer 31

Palm-like found in tropical/sub tropical regions

Question 32

Ginkgos are?

Answer 32

Dioecious (separate male and female plants) native to China

Question 33

Gnetophytes are?

Answer 33

Differ in appearance & Broadly dispersed about 90 species

Question 34

Conifers are?

Answer 34

Cone-bearing tress that predominate at high altitudes and latitudes; oldest organism and largest biome on earth is coniferous. 700 species

Question 35

Male pine cone

Answer 35

Microstrobilus

Question 36

Female pine cone

Answer 36

Megastrobilus Ovulate cone Seed come

Question 37

Pollination

Answer 37

Pollen grain lands on female structure

Question 38

Fertilization

Answer 38

Sperm fuses with egg to form zygote

Question 39

Receptacle

Answer 39

Flower parts are attached to it

Question 40

Sepal

Answer 40

Encloses developing bud

Question 41

Petal

Answer 41

Colored, attracts animal

Question 42

Stamen

Answer 42

Male organs, filament that supports anther (holds pollen)

Question 43

Are sporophytes diploid or haploid?

Answer 43

Diploid (2n) Produce haploid spores by meiosis (Not photosynthetic)