Partial preview of the text
Download Pinus Life Cycle and Plant Reproduction Terms and more Quizzes Biology in PDF only on Docsity!
Pinus life cycle (male)
Microstrobilus produces microsporangia which contain
microspores that form 2-celled microgametophytes (pollen)
through mitosis. Fertilizes through pollen tube.
TERM 2
Pinus life cycle (female)
DEFINITION 2
Megastobilus produces megasporangium which contain a
megaspore which develops into a megagametophyte.
Fertilized archegonium develops into diploid seed.
TERM 3
Perfect
DEFINITION 3
Angiosperm with both sexes present
TERM 4
Imperfect
DEFINITION 4
one or more partes missing
TERM 5
Staminate
DEFINITION 5
Male angiosperm
Pistilate
Female angiosperm
TERM 7
Monoecious
DEFINITION 7
both sexes on one plant
TERM 8
Diecious
DEFINITION 8
Sexes on different plants
TERM 9
Actinomorphic
DEFINITION 9
Floral symmetry refers to whether, and how, a flower can be
divided into two or more identical or mirror-image parts.
TERM 10
zygomorphic
DEFINITION 10
Floral symmetry refers to whether, and how, a flower can be
divided in half.
Alternate arrangement
Leaves swap sides every node
TERM 17
Opposite arrangement
DEFINITION 17
2 leaves opposite each other on the same node
TERM 18
whorled
DEFINITION 18
three or more leaves on a node. spiraled
TERM 19
Berry
DEFINITION 19
one oveary, thin ectocarp, fleshy mesocarp, thin endocarp,
many seeds. ex. tomato, grape, banana
TERM 20
Pepo
DEFINITION 20
Berry with a rhine, inferior ovary, ex watermelon
Hesperidium
modified berry, many seeds, endocarp has many succulent
hairs ex orange
TERM 22
Drupe
DEFINITION 22
thin ectocarp, very fleshy mesocarp, stony endocarp ex
peach
TERM 23
Accesory fruit
DEFINITION 23
Receptacle grops around fruit
TERM 24
Pome
DEFINITION 24
Accessory fruit, ex apple pear
TERM 25
Multiple fruit
DEFINITION 25
many flowers/ovaries fused together ex pineapple
mustard
partitioning middle
TERM 32
nut
DEFINITION 32
indehiscent, hard pericarp, one large seed which is not
attached when matured ex acorn
TERM 33
achene
DEFINITION 33
papery pericarp, one seed attached at one point, ex
sunflowrr seed
TERM 34
samara
DEFINITION 34
a winged achene
TERM 35
caryopsis
DEFINITION 35
grain, grass family 3n endosperm, corn
