General Biology: Definitions and explanations page 11 PDF | Download eBooks
Learn general biology terms with definitions and explanations, biology terminologies (Page 11) for biology degree programs.
- What is Pollination?
Pollination is the transfer of pollen from a male part of a plant to a female ... - What are Conifers?
Conifers are a division of vascular land plants containing a single extant class, pinopsida. they are ... - What are Sepals?
A sepal is a part of the flower of angiosperms (flowering plants). usually green, sepals typically ... - What are Petals?
Petals are modified leaves that surround the reproductive parts of flowers. they are often brightly colored ... - What are Stamens?
The stamen is the pollen-producing reproductive organ of a flower. collectively the stamens form the androecium. ... - What is Anther?
The part of a stamen that contains the pollen. it is crucial in the reproduction of ... - What is Carpel?
The female reproductive organ of a flower, consisting of an ovary, a stigma, and usually a ... - What is Stigma?
The ovary often supports a long style, topped by a stigma. the mature ovary is a ... - What is Style?
The style and stigma of the flower are involved in most types of self incompatibility reactions. ... - What are Complete flowers?
A "complete" flower, like that of ranunculus glaberrimus, has a calyx of outer sepals and a ... - What are Incomplete flowers?
Flowers that lack any of the important parts of the flowers as described previously, are called ... - What is Fruit?
A fruit is the seed-bearing structure in flowering plants (also known as angiosperms) formed from the ... - What is Embryo sac?
Embryo sac is the female gametophyte of a seed plant consisting of a thin-walled sac within ... - What is Cross pollination?
Cross-pollination occurs when pollen is delivered from the stamen of one flower to the stigma of ... - What is Double fertilization?
Double fertilization is a complex fertilization mechanism of flowering plants (angiosperms). this process involves the joining ... - What is Cotyledons?
A cotyledon is a significant part of the embryo within the seed of a plant, and ... - What is Endosperm?
The endosperm is a tissue produced inside the seeds of most of the flowering plants following ... - What are Monocots?
Monocots differ from dicots in four distinct structural features: leaves, stems, roots and flowers. but, the ... - What are Dicots?
The dicotyledon plants are also called as dicots (or more rarely dicotyls). these are one of ... - What is Chitin?
Chitin, a long-chain polymer of n-acetylglucosamine, is a derivative of glucose. it is a primary component ... - What is Septa?
A hypha consists of one or more cells surrounded by a tubular cell wall. in most ... - What is Coenocytic fungi?
The term coenocyte is a multinucleate cell which can result from multiple nuclear divisions without their ... - What is Mycelium?
Mycelium is the vegetative part of a fungus or even any fungus-like bacterial colony, consisting of ... - What is Mycorrhizae?
A mycorrhiza is a symbiotic association between a fungus and a plant. the term mycorrhiza generally ... - What is Ectomycorrhizal fungi?
Ectomycorrhizal fungi are those that form a symbiotic relationship s a fungal symbiont with the roots ... - What are Pheromones?
A pheromone is a chemical secreted or excreted by organisms that triggers a social response in ... - What is Plasmogamy?
Plasmogamy is a stage in the sexual reproduction of fungi, in which the cytoplasm of two ... - What is Heterokaryon?
A heterokaryon is a multinucleate cell that contains genetically different nuclei. ... - What are Deuteromycetes?
Deuteromycota are also known as imperfect fungi. basically these are those fungi which do not fit ... - What are Zoospores?
A zoospore is a motile asexual spore that uses a flagellum for locomotion so these are ... - What is Lichen?
A lichen is a composite organism that arises from algae or cyanobacteria living among filaments of ... - What is Mycosis?
In humans, skin mycoses include the disease ringworm, so named because it appears as circular red ... - What are Tissues?
A tissue is a cellular organizational level between cells and a complete organ. a tissue is ... - What is Cleavage?
In embryology, cleavage is the division of cells in the early embryo. the process follows fertilization, ... - What is Blastula?
The blastula is a hollow sphere of cells which are referred to as blastomeres. they surround ... - What is Gastrulation?
Gastrulation is a phase early in the embryonic development of most animals, during which the single-layered ... - What is Larva?
A larva is a distinct juvenile form many animals undergo before metamorphosis into adults. animals with ... - What is Metamorphosis?
Metamorphosis is a biological process by which an animal physically develops after birth or hatching, involving ... - What is Radial symmetry?
Radially symmetric organisms resemble a pie where several cutting planes produce roughly identical pieces. such an ... - What is Bilateral symmetry?
In bilateral symmetry (also called plane symmetry), only one plane, called the sagittal plane, divides an ... - What is Ectoderm?
Ectoderm is one of the three primary germ layers in the very early embryo. the other ... - What is Endoderm?
Endoderm is one of the three primary germ layers in the very early embryo. cells migrating ... - What is Mesoderm?
In all bilaterian or bilaterally symmetrical animals, the mesoderm is one of the three primary germ ... - What is Body cavity?
A body cavity is any fluid-filled space in a multicellular organism other than those of vessels ... - What are Vertebrates?
Vertebrates comprise all species of animals within the subphylum vertebrata, that are chordates with backbones. vertebrates ... - What are Invertebrates?
Invertebrates are animals that neither possess nor develop a vertebral column which is commonly known as ... - What are Filter feeders?
Filter feeders are a sub-group of suspension feeding animals that feed by straining suspended matter and ... - What are Amoebocytes?
An amebocyte or amoebocyte is a mobile cell in the body of invertebrates including echinoderms, mollusks, ... - What is Epidermis?
The epidermis is the outermost of the three layers that make up the skin, the inner ... - What are Hermaphrodites?
A hermaphrodite is an organism that has complete or partial reproductive organs and produces gametes normally ... - What is Polyps?
A polyp is one of two forms found in the phylum cnidaria, the other being the ... - What are Cnidocytes?
A cnidocyte , which is also known as nematocyte, is an explosive cell containing one giant ... - What is Exoskeleton?
An exoskeleton is the external skeleton that supports and protects an animal's body, in contrast to ... - What is Alimentary canal?
Alimentary canal is the whole passage along which food passes through the body from mouth to ... - What is Radula?
The radula is an anatomical structure used by mollusks for feeding, sometimes compared to a tongue. ... - What is Metanephridium?
A metanephridium is a type of excretory gland found in many types of invertebrates such as ... - What is Open circulatory system?
Open circulatory systems is usually observed in crustaceans, insects, mollusks and other invertebrates. this is different ... - What is Notochord?
The notochord is a flexible rod made out of a material similar to cartilage. if a ... - What is Placenta?
The placenta is a temporary organ that connects the developing fetus via the umbilical cord to ... - What is Paleoanthropology.?
Paleoanthropology is a branch of archaeology with a human focus. it seeks to understand the early ...