Chapter 5 Summary
Key Takeaways
- Land plants evolved from green algae and developed adaptations such as a waxy cuticle, stomata, roots, gametangia, and alternation of generations to survive and reproduce on land.
- Bryophytes (nonvascular plants) were the first land plants and depend on moist environments due to their lack of vascular tissue and reliance on water for reproduction.
- Seedless vascular plants like ferns evolved vascular tissues (xylem and phloem), lignin, and true roots, allowing greater height and habitat range, but still rely on water for fertilization.
- Gymnosperms introduced pollen and seeds, enabling reproduction without water and better protection for embryos, which helped them thrive in drier environments.
- Angiosperms evolved flowers and fruits, improving pollination and seed dispersal through animal interactions, making them the most diverse and widespread plant group.
- Fungi differ from plants by absorbing nutrients from their environment, decomposing organic matter, forming mutualistic relationships, and contributing to medicine, food production, and ecosystem health.
OpenAI. (2025). ChatGPT. [Large language model]. https://chat.openai.com/chat
Prompt: Summarize the following content into six key takeaways.
Flashcards
Text Description
Front of card
- Anther
- Antheridium
- Archegonium
- Bryophytes
- Carpel
- Cellulose
- Chitin
- Cuticle
- Decomposers
- Dry fruits
- Embryo
- Endosperm
- Fertilization
- Filament
- Flagellated
- Fleshy fruits
- Fungi
- Gametes
- Gametophyte
- Gills
- Glycogen
- Gymnosperms
- Heterotrophs
- Hyphae
- Lignin
- Melanin
- Mitotic (mitosis)
- Mycelium
- Mycorrhizae
- Nectar
- Nonmotile
- Nonvascular plants
- Ovary
- Ovule
- Parasites
- Petals
- Phloem
- Photosynthesis
- Pollen
- Pollinators
- Rhizoids
- Roots
- Seed
- Seedless vascular plants
- Sepals
- Sporangium
- Sporophyte
- Fungal spores
- Stamens
- Stigma
- Style
- Vascular tissue
- Xylem
- Zygote
- Plants
- Monophyletic
- Stomata
- Gametangia
- Alternation of generations
- Moss
- Fern
- Conifer
- Angiosperms
- Flower
- Fruits
- Mimicry
- Mushroom
- Yeast
- Penicillin
- Mycosis
- Advantages for plants to live on land
- 5 major terrestrial adaptations present in most land plants
- Key terrestrial adaptations for bryophytes
- Key terrestrial adaptations for seedless vascular plants
- Key terrestrial adaptations for gymnosperms
- Key terrestrial adaptations for angiosperms
- 4 parts of a flower
- Role of fruits
- Type of fruits
- Methods of seed dispersal
- Fungal modes of nutrition
- How are fungi beneficial?
- How are fungi harmful?
- Steps in Moss Life Cycle
- Steps in Fern Life Cycle
- Steps in Pine Life Cycle
- Steps in Angiosperm Life Cycle
Back of card
- The part of a stamen that produces and contains pollen
- A structure that produces sperm in the gametophyte generation of plants
- A structure that produces eggs in the gametophyte generation of plants
- Nonvascular plants including mosses, liverworts, and hornworts that lack vascular tissue and require moist environments
- The female reproductive organ of a flower, including the stigma, style, and ovary; also called a pistil
- A complex carbohydrate that forms the structural component of plant cell walls
- A tough, flexible compound found in the cell walls of fungi and in the exoskeletons of arthropods
- A waxy, water-repellent layer on the surface of plant leaves and stems that helps prevent water loss
- Organisms that break down dead organic material and recycle nutrients into ecosystems
- Fruits that are hard or papery when mature, such as nuts, wheat, or rice; often spread by air, water or attached to animals
- The early developmental stage of a plant or animal that arises from a fertilized egg
- A tissue in seeds of flowering plants that provides nourishment to the developing embryo, formed during double fertilization.
- The fusion of sperm and egg to form a zygote
- The stalk of a stamen that supports the anther
- Having one or more whip-like tails (flagella) used for movement; describes the sperm of mosses and ferns
- Fruits that are soft and juicy when mature, like peaches and berries; often consumed by animals to help spread seeds
- A kingdom of eukaryotic organisms that absorb nutrients from organic material
- Reproductive cells (sperm and egg) that unite during fertilization
- The haploid, gamete-producing stage in a plant’s life cycle
- Blade-like structures on the underside of a mushroom cap where spores are produced
- A carbohydrate that fungi and animals use to store energy
- Seed-producing plants like conifers whose seeds are not enclosed in fruits
- Organisms that cannot make their own food and rely on consuming other organisms for energy
- Long, thread-like filaments that make up the body of a fungus
- A complex organic compound that hardens cell walls in vascular plants, giving them rigidity
- A dark pigment that provides protection against UV radiation; found in both fungi and animals
- A process of cell division that results in two identical cells; used in growth and asexual reproduction
- The network of hyphae that forms the main body of a fungus
- Symbiotic relationships between fungi and plant roots that improve nutrient and water uptake
- A sugary fluid produced by flowers to attract pollinators
- Incapable of movement
- Plants that lack vascular tissue (xylem and phloem), including mosses, liverworts, and hornworts; informally known as bryophytes
- The part of the carpel that contains ovules and matures into a fruit after fertilization
- The structure in seed plants that contains the female gametophyte and develops into a seed after fertilization
- Organisms that live on or in a host organism and derive nutrients at the host’s expense
- Colorful parts of a flower that attract pollinators
- Vascular tissue in plants that transports sugars from the leaves to the rest of the plant
- The process by which green plants use sunlight to produce food from carbon dioxide and water
- A structure that contains the male gametes (sperm) of seed plants
- Animals, such as bees or birds, that carry pollen from one flower to another
- Root-like structures in nonvascular plants that anchor the plant but do not absorb water
- Organs in vascular plants that absorb water and nutrients from the soil and anchor the plant
- A structure in seed plants that contains a developing embryo and a food supply, enclosed in a protective coat
- Plants that have vascular tissue but reproduce via spores instead of seeds; ferns
- The outer parts of a flower, usually green, that protect the flower bud before it opens
- A structure where spores are formed
- The diploid, spore-producing stage in a plant’s life cycle
- Microscopic, reproductive cells that grow into a new fungus
- The male reproductive parts of a flower, consisting of a filament and anther
- The sticky top part of a carpel where pollen lands
- A tube that connects the stigma to the ovary in a flower
- Specialized plant tissue (xylem and phloem) for conducting water, minerals, and nutrients
- Vascular tissue that transports water from roots to leaves
- The cell formed by the union of a sperm and egg; the first cell of a new organism’
- Multicellular, photosynthetic organisms that belong to the kingdom Plantae
- A group of organisms that includes a common ancestor and all of its descendants, representing a single branch on the tree of life
- Small openings on the surfaces of leaves and stems that allow for gas exchange (CO₂ in, O₂ and water vapor out) between the plant and the environment
- Specialized structures in plants, algae, and fungi where gametes (sperm or eggs) are produced
- A life cycle in plants and some algae that alternates between a haploid gametophyte stage and a diploid sporophyte stage
- A type of bryophyte that grows in moist environments; it has a dominant gametophyte stage and reproduces via spores
- A seedless vascular plant with large, divided leaves (fronds); it has a dominant sporophyte stage and reproduces via spores
- A type of gymnosperm that produces seeds in cones; typically has needle-like leaves; includes pines, spruces, and firs
- Flowering plants that produce seeds enclosed in fruits; the most diverse and widespread group of plants
- The reproductive structure of angiosperms
- Mature ovaries of flowering plants that contain seeds; they aid in seed dispersal
- An evolutionary adaptation in which one organism resembles another to gain an advantage
- The fruiting body of certain fungi that produces and releases spores
- Single-celled fungi; commonly used in food production
- An antibiotic substance produced by the Penicillium fungus that kills or inhibits the growth of certain bacteria
- A fungal infection in animals or humans, ranging from superficial skin infections to serious systemic diseases
- Easier access to sunlight and carbon dioxide, initially no predators
- Waxy cuticle, stomata, roots, gametangia, alternation of generations
- Waxy cuticle, rhizoids
- True roots, vascular tissue, lignin
- Pollen, seeds
- Flowers, fruits
- Sepals, petals, stamens, carpels
- Seed dispersal
- Fleshy fruits (berries, peaches); Dry fruits (nuts, wheat)
- Wind, animal ingestion, animal transportation, water
- All heterotrophs but get nutrition in different ways (decomposers, parasites, mutualistic relationships)
- Important for ecosystems (decomposers, mycorrhizae); Food production (fermentation, mushrooms); Medicine (penicillin)
- Plant pathogens (Dutch elm disease, ergot); Animal pathogens (toxic, infections)
- Steps:
- Gametophytes (n) produce gametes (n) through mitosis. Antheridium produces sperm. Archegonium produces egg.
- Sperm swim to nearby gametophytes to fertilize egg in the antheridium forming a zygote
- Zygote develops into embryo which then grows (through mitosis) into new sporophyte (2n).
- Sporophyte (2n) produces spores (n) through meiosis.
- Spores blow to a new location and grow into a new gametophyte (mitosis). The gametophyte is the conspicuous part of the plant.
- Steps:
- Gametophytes (n) produce gametes (n) through mitosis. Antheridium produces sperm. Archegonium produces egg.
- Sperm swim to nearby gametophytes to fertilize egg in the antheridium forming a zygote (2n).
- Zygote develops into embryo which then grows (through mitosis) into new sporophyte (2n). The sporophyte is the conspicuous part of the plant.
- Sporophyte (2n) produces spores (n) through meiosis.
- Spores blow to a new location and grow into a new gametophyte (mitosis).
- Steps:
- Gametophytes (n) produce gametes (n) through mitosis. Male gametophyte is a pollen grain found in male cones. Female gametophyte develops within an ovule in female cones.
- Pollen is carried by wind to fertilize egg forming a zygote (2n) inside the ovule of the female cone.
- Zygote develops into embryo. Ovule develops into seed.
- Seed is dispersed then germinates and grows (through mitosis) into new sporophyte (2n). The sporophyte is the conspicuous part of the plant (the tree).
- Sporophyte (2n) produces spores (n) through meiosis. Spores develop into gametophytes inside of cones.
- Steps:
- Gametophytes (n) produce gametes (n) through mitosis. Male gametophyte is a pollen grain in anther of flower. Female gametophyte (embryo sac) develops inside an ovule within ovary of flower.
- Pollen is transferred (by wind or pollinators) to stigma of a flower where it grows a pollen tube to fertilize egg inside ovule, forming a zygote (2n). This process includes double fertilization – second sperm fertilizes nearby cell to form endosperm which nourishes embryo.
- Zygote develops into embryo. Ovule becomes a seed and ovary develops into fruit.
- Seed is dispersed then germinates and grows (through mitosis) into a new sporophyte (2n). The sporophyte is the visible flowering plant.
- The sporophyte (2n) produces spores (n) through meiosis. Spores develop into gametophytes (pollen and embryo sacs) inside the flower.
OpenAI. (2025). ChatGPT. [Large language model]. https://chat.openai.com/chat
Prompt: Provide definitions for all the bolded terms in the shared content and list all the terms in alphabetical order.