Biology 1104 - lab exam 1 ACTUAL UPDATED Exam Questions and CORRECT Answers

Biology 1104 - lab exam 1 ACTUAL
UPDATED Exam Questions and CORRECT
Answers
Terrestrial Plants - CORRECT ANSWER - -increased rigidity
-special vessels for food and water transfer
-less desiccation (state of extreme dryness)
-less reliance on water for reproduction


BRYOPHYTES - CORRECT ANSWER - -phylum= bryophyta
-lacks regular vascular tissue/rigidity
-REQUIRES WATER FOR REPRODUCTION
- MOSS


Mitosis VS Meiosis - CORRECT ANSWER - Mitosis: making an EXACT copy
Meiosis: reducing by HALF
TIP: "MEosis was done to make ME, two halfs from two beings made one"


Generations - CORRECT ANSWER - -haploid (1N): GAMETOPHYTE
-diploid (2N): SPOROPHYTE


Types of reproductive cells - CORRECT ANSWER - -gamets that fuse (produced by
gametophytes)
-spores that do not (produced by spyrophytes)


GENERAL scheme of plant life - CORRECT ANSWER - gametophyte (N) -> EGG
(haploid)+SPERM (haploid) =ZYGOTE (2N) -> EMBRYO (2N) ->SPOROPHYTE (2N) ->
SPORE MOTHER CELL (2N) -> SPORES (meiosis)

, Moss archegonial head STUDY DIAGRAM - CORRECT ANSWER -



seedless tracheophytes - CORRECT ANSWER - - phylum: pterophyta
- dominant sporophyte generation
- has vascular tissue/rigidity
- REQUIRES WATER FOR REPRODUCTION
- FERN


Prothallus - CORRECT ANSWER - the gametophyte of ferns and other primitive plants.



Prothallus STUDY DIAGRAM - CORRECT ANSWER -



Seed Tracheophytes - CORRECT ANSWER - -gymnospheres (non-flowering)
-angiosperms (flowering)
-produces seeds


Xylem - CORRECT ANSWER - transports water and ions



Phloem - CORRECT ANSWER - transports sugars and photosynthetic products



Components of a seed (outside in) - CORRECT ANSWER - -seed coat
-endosperm (cotyledons)
-embryonic plant (sporophyte embyo)


Types of Sporangia - CORRECT ANSWER - -megasporangia (2N) -> megaspores (N) ->
megagametophyte (N) FEMALE