Plant Development Flashcards
Two purposes of reproduction
To perpetuate identical child plants by asexual reproduction
To perpetuate varied child plants by sexual reproduction
To perpetuate identical child plants by asexual reproduction
Mitosis
To perpetuate varied child plants by sexual reproduction
Meiosis
Enumerate the hormones for plant development
Cytokinins
Indoleacetic acid / auxins
Gibberellic acid
Abscisic acid
Ethylene
Hormones for cell division and differentiation
Cytokinins
Hormones for growth stop
Indoleacetic acid / auxins
hormones for germination and elongation
Gibberellic acid
Hormones for seed dormancy and drought resistance
Abscisic acid
Hormones for ripening, stress response, and lead abscission
Ethylene
Hormones that act as a catalyst
Ethylene
Other term for plant cycle
Heteromorphic diphasic
Meaning of the word hetero-
Different
Opposite
Separate
Non-uniform
More than two
meaning of the word di-
two
Other term for heteromorphic diphasic/ plant cycle
Diplobiontic alternation of generation
Meaning of the word “diphasic”
The plants have two phases (generations) alternants
Two generations or phases of plants
Gametophytes (n) and sporophytes (2n)
Meaning of the word “heteromorphic”
The two alternants are different in appearance
Process where a haploid egg cell and haploid sperm cell of a species unite to form a diploid zygote
Fertilization/ syngamy
Other term for syngamy
fertilization
Start of the plant reproduction
Fertilization/ syngamy
male gametophytes
Microgametophyte
Microgametophytes ultimately produces ________
male gametes (sperm)
What develops into a microgamete
microspores
What develops into a megagametophyte
Megaspore
Each megaspore produces a ________
Megagametophyte (Female gametophyte)
Female gametophyte
Megagametophyte
what is produced by megagametophytes
eggs
Fusion of egg and sperm creates a _____
zygote
What produces microspores
Microsporophytes
How does microsporophytes become microspores
through meiosis
Other term for pollen sacs
Microsporangia
A receptable that contains microspores
microsporangium
Where are microgametophytes found
In the anther and stamens
What consists microgametophytes
generative cell along with two nuclei and a tube cell
What is destroyed after fertilization
Microgametophytes
Dispersed by external pollination agents in order to be deposited on the stigma of another flower
Microgametophytes
Where is megagametophytes found
ovary and pistil of a flower
Megagametophytes consists of _______
integuments, nucellus, and the embryo sacs
develops into the seed after fertilization
Megagametophytes
Not dispersed during pollination
Megagametophytes
