Plant Diversity Flashcard
megaphyll
A __________ is a leaf that evolved from a branch system.
pistillate
A flower that lacks stamen is said to be ___________________.
ovary
After fertilization, the ________ develops into a fruit.
ovule
After fertilization, the ___________ develops into a seed.
ovary or seed coat
Although conifers bear their seeds in cones, they are considered the "naked seed" because their seeds are not enclosed in a ______________.
heterosporous
Certain lower vascular plants are __________ and produced two kinds of spores.
sorus
Cluster of sporangia termed _________ are often found on fern fronds.
seed
Contain an embryo and food tissue and thus are better than spores for reproduction.
equisetum
Have hollow, jointed stems that are impregnated with silica.
gametes
Meiosis in plants results in the formation of _____________.
monoecious
Most conifers are ______ and have male and female reproductive parts at different locations on the same plant.
Alternation, generation
Plants have an _______ of __________ in which they spend part of their life cycle in the gametophyte and part in the sporophyte stage.
green algae
Plants probably evolved from ancient _________.
starch
Plants store their carbohydrate as ____________.
deciduous
Plants that shed their leaves at the end of a growing season are _________.
insects
Plants with blue petals, nectar, and a strong scent are most likely pollinated by ___.
wind
Plants with reduced or absent petals, no nectar, no scent, and copious amounts of pollen are most likely pollinated by _______.
Pistil
The ________ is composed of a stigma, style, and ovary.
vascular
The bryophytes lack a _______ system and are therefore restricted in size.
mechanical isolation
The fact that deep tubular flowers are pollinated by insects with long mouthparts, whereas short flowers are pollinated by insects with short mouthparts, is an example of __________.
archegonium
The female gametangium or ___________ produces an egg.
embryo sac
The female gametophyte in flowering plants is also called the _________ _________.
thallus
The flattened leaf-like body form of many liverworts is called a ____________.
Fertilization
The fusion of gametes is called _____.
zygote
The fusion of gametes results in a diploid fertilized cell, or __________.
ovules
The immature male gametophyte of pine is called the ___________.
gametophyte
The leafy green plant in the life cycle of lower plants is the _________ generation.
antheridia
The male gametangium, or ____________, produces spores.
endosperm
The nutritive tissue in flowering plant seeds which is formed as a result of double fertilization is called _______.
gametophyte
The nutritive tissue in the pine seed is the ______________ seed.
stomata
The openings in plants that allow a gas exchange for photosynthesis are called ________.
pollination
The transfer of pollen from the male to the female reproductive structure is known as __________.
microsporophylls
The type of leaf found in club mosses (Lycophyta) is called a _______.
cuticle
The waxy layer that covers aerial parts of plants is the _________.
monocots
This class of flowering plants, the _________, includes the palms, grasses, and orchids.
xylem and phloem
Whisk ferns have vascularized stems but lack true ________ and _________.
