Plant Diversity Flashcard

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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 _________.


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