BIO 240 Lecture: Archaeplastids and Land Plants

Fill-in-the-blank practice flashcards for BIO 240 covering Archaeplastids, land plant adaptations, vascular tissues, and plant taxonomy.

The four major taxonomic groupings of Archaeplastids are red algae, chlorophytes, carophytes, and __________.

embryophytes

All Archaeplastids share an apomorphy of having __________ as one of their photosynthetic pigments.

chlorophyll A

The life cycle characteristic shared by Archaeplastids where individuals alternate between diploid and haploid multi-celled stages is called __________.

alternation of generations

Coraline red algae have a pinkish, hard appearance due to a layer of white __________ on top of their body.

calcium carbonate

Red algae (Rhodophyta) lack flagella and obtain their red coloration from the photosynthetic pigment __________.

Phycoerythrin

The molecule that forms a tough, waterproof outer coating to protect spores and pollen from drying out is called __________.

Sporopollenin

In the plant life cycle, fertilization is defined as the fusion of two haploid gametes to form a single-celled diploid __________.

zygote

Inside the sporangia of a diploid sporophyte, cells undergo __________ to produce single-celled haploid spores.

meiosis

In mosses and ferns, the female gametangia that produce egg cells are called __________.

archegonium

In mosses and ferns, the male gametangia that produce sperm cells are called __________.

antheridium

The multi-celled haploid individual in the plant life cycle that produces gametes is called the __________.

gametophyte

The specialized regions located at the tips of shoots and roots where continuous cell division occurs are called __________ meristems.

apical

Pores on the surface of a leaf that allow carbon dioxide to enter and oxygen to exit are called __________.

stoma

Each stoma pore on a leaf surface is opened and closed by a pair of surrounding __________ cells.

guard

Non-vascular land plants with wide, flat, overlapping lobes resembling liver tissue belong to the phylum __________.

Marchantiophyta

An example of a spike moss belonging to the seedless vascular phylum Lycopodiophyta is __________.

Selaginella

Basic ground tissue cells in plants that are moderately sized with thin cell walls are called __________ cells.

parenchyma

Sclerenchyma cells in vascular tissue are dead at maturity and reinforced with a tough material called __________ in their cell walls.

lignin

Primitive small leaves found in Lycopodiophytes containing only a single unbranched strand of vascular tissue are called __________.

microphylls

Baby leaves of true ferns (Polypodiopsida) grow as distinctive curlicues known as __________.

fiddleheads