Biology of Unicellular Algae

Flagella

False (B)

<p>similar</p> Signup and view all the answers

<p>Vegetative reproduction = Division of the thallus into fragments Asexual reproduction = Involves zoospores and flagella Sexual reproduction = Involves fusion of gametes Isogamy = Similar shape and size gametes</p> Signup and view all the answers

<p>Ancient, vascular plants that produce naked seeds (B)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Gametophyte</p> Signup and view all the answers

<p>needle</p> Signup and view all the answers

<p>Leaves have parallel veins. (C)</p> Signup and view all the answers

<p>Bryophytes = Depend on water for sexual reproduction Gymnosperms = Naked seeds in female cones Angiosperms = Seeds enclosed in an ovary Monocotyledons = One seed-leaf</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Antheridium</p> Signup and view all the answers

<p>Both Mosses and Liverworts (C)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>archegonium</p> Signup and view all the answers

<p>gemmae</p> Signup and view all the answers

<p>Asexual and Sexual (D)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>moist, shady habitats</p> Signup and view all the answers

<p>Fission = Division of a parent organism into multiple daughter cells Budding = A small outgrowth develops into a new individual Fragmentation = Breaking into fragments that grow into new organisms Spore Formation = Development of microscopic units for reproduction</p> Signup and view all the answers

<p>Brown algae (B)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Binary fission</p> Signup and view all the answers

<p>chitin</p> Signup and view all the answers

<p>Ascomycota = Sac fungi, antibiotics Basidiomycota = Club fungi, mushrooms Zygomycota = Sporangia, bread mold Chytridiomycota = Flagellated, protists</p> Signup and view all the answers

<p>Bacteria (B)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>Yeasts</p> Signup and view all the answers

<p>Photosynthetic Reproduction (D)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Carrot</p> Signup and view all the answers

<p>gametes</p> Signup and view all the answers

<p>Annuals = Live for one year and produce flowers Biennials = Live for two years and produce flowers in the second Perennials = Live for several years and flower yearly Monocarpic = Flower, set seeds, and then die after one cycle</p> Signup and view all the answers

<p>Sexual reproduction (C)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>pollination</p> Signup and view all the answers

<p>Transfer of pollen grains to the stigma of a flower of another plant of the same species (B)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>To scatter the seed of the plant.</p> Signup and view all the answers

<p>Entomophily</p> Signup and view all the answers

<p>Long anthers that hang outside the flower (D)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Self pollination = Transfer of pollen grains to stigma of the same or another flower of the same plant Cross pollination = Transfer of pollen grains to stigma of a flower of another plant of the same species Insect pollination = Pollination facilitated by insects Wind pollination = Pollination facilitated by wind</p> Signup and view all the answers

<p>seed</p> Signup and view all the answers

Simple aquatic organisms that can be unicellular, colonial, or multicellular.

Storage bodies in algae's chloroplasts that contain protein and starch.

Algae reproduce through vegetative, asexual, and sexual methods.

A type of sexual reproduction in which gametes are morphologically similar.

Algae contain chlorophyll a & b to capture light for sugar production.

Different families of algae including Phaeophyta, Rhodophyta, and Chlorophyta.

Eukaryotic organisms including yeasts, molds, and mushrooms, known for their heterotrophic nature.

A structural polysaccharide found in the cell walls of fungi.

Fungi can reproduce asexually (fragmentation, budding, spores) or sexually.

A form of asexual reproduction in bacteria where a single cell divides into two.

Single-celled microorganisms with various shapes like spheres, rods, and spirals.

Hair-like structures on bacteria that help with attachment and conjugation.

Small groups of algal cells surrounded by fungal filaments, dispersed by wind.

Seed-bearing plants with naked seeds and no ovaries, like pines.

Seed-producing plants with seeds enclosed in ovaries; flowering plants.

Plants with one seed-leaf and parallel veins in leaves, e.g., grass.

Plants with two seed-leaves and networked veins in leaves, e.g., roses.

Non-vascular plants, like mosses and liverworts, dependent on water for reproduction.

The stage in bryophytes that produces gametes for reproduction.

The male sex organ in bryophytes that produces biflagellate antherozoids.

Type of reproduction involving male and female gametes from two parents, leading to genetically unique offspring.

Plants that live for one year, flowering and producing seeds within a single growing season.

Plants that take two growing seasons to complete their life cycle, with vegetative growth in the first year.

Plants that live for multiple years, flowering and producing seeds annually after an initial growth period.

Plants that flower, produce seeds, and die in a single life cycle.

Key components of a flower involved in reproduction, including sepals, petals, carpels, and stamens.

The transfer of pollen from the male anthers to female stigma, crucial for fertilization.

Flask-shaped female sex organ producing one egg in moss.

Simplest plants without true roots, vascular tissues, having simple stems & leaves, and rhizoids for anchorage.

Asexual reproduction occurs by fragmentation and budding in the secondary protonema.

Plants that grow in moist, shady habitats, reproduce asexually by fragmentation or gemmae formation.

Specialized structures for asexual reproduction in liverworts.

The process by which plants produce their own kind, necessary for species continuity.

Includes fission, budding, fragmentation, and spore formation.

Pollen transfer to the stigma of the same or another flower on the same plant.

Pollen transfer to the stigma of a flower on another plant of the same species.

Pollination involving insects that transfer pollen between flowers.

Pollination where pollen is carried by the wind from one flower to another.

Union of male gamete with the egg to form a zygote after pollination.

Scattering of seeds away from the parent plant, primarily by wind or animals.

Seed dispersal method where animals eat fruit and excrete seeds.