146 results found

Search Results for: seed

Fruits, Flowers, and Seeds

Flowering plants grow in a wide variety of habitats and environments. They can go from germination of a seed to a mature... Read More

Seed Plants

There are two main subdivisions of seed plants—the ones without covered seeds, the gymnosperms, and the ones with covered... Read More

Seedling

Definition noun, plural: seedlings (botany) A young sporophyte that grows from a seed; a (recent) sprout Supplement A... Read More

Seed

Definition noun, plural: seeds (botany) An encapsulated plant embryo; a fertilized ovule of a plant Supplement A seed is a... Read More

Methods of Breaking Seed Dormancy

Definition of Seed Dormancy: Non – germination of seeds due to absence of suitable conditions is termed as dormancy.... Read More

Recalcitrant

Several words of the English language find wide usage in subjects as diverse as literature, science, social science,... Read More

Non-seed plant

Plants that don't make seeds are called non-seed plants. Ferns and mosses are non-seed plants. They don't make seeds, but... Read More

Apomixis

Apomixis Definition Just like any other organism, the process of reproduction is pivotal to the life cycle of plants. There... Read More

Angiosperm

Angiosperms Definition What is an angiosperm? An angiosperm is a plant that produces flowers. The angiosperms, also... Read More

Vascular plants

Definition of Vascular plants The term 'vascular' is derived from the Latin word vāsculum, vās, meaning "a container and... Read More

Inheritance and Probability

Reviewed by: Mary Anne Clark, Ph.D. Gregor Mendel, an Austrian monk, is most famous in this field for his study... Read More

Genotypic ratio

Genotypic Ratio Definition To understand 'Genotypic ratio', let us first understand the terms: 'Genotype' and 'Phenotype'.... Read More

Sporophyte

Sporophyte Definition What is a sporophyte? Accordingly, the sporophyte is the plant generation that produces spores. To... Read More

Cotyledon

Definition noun, plural: cotyledons (1) (botany) The primary or rudimentary leaf of the embryo of a seed plant that either... Read More

Stems

External Form of a Woody Twig A woody twig, or stem, is an axis with leaves attached. The leaves are arranged in various... Read More

Pioneer species

You might have come across news of some barren lands turning into luscious grasslands or forests after decades? Or you might... Read More

Dominance

Reviewed by: Mary Anne Clark, Ph.D. The previous tutorial investigated Gregor Mendel and how he found trends in... Read More

Elaiosome

Definition noun, plural: elaiosomes A plant organelle that stores fat Supplement Elaiosome is an organelle that stores fat... Read More

Roots

Upon seed germination, the embryo root, called the radicle, grows and develops into the first root. The radicle may thicken... Read More

Legumes

Legumes Definition Legumes (singular: legume) are plants belonging to the family Leguminosae (Fabaceae). Leguminosae is... Read More

Secondary succession

We all have come across news where forest lands got destroyed by wildfires. Or sometimes we have read about an entire... Read More

Plant

Plant Definition (botany) Any of the eukaryotic organisms of the biological kingdom Plantae, characterized by being... Read More

Turgor pressure

In biology, turgor pressure pertains to the pressure that is exerted by the fluid (e.g. water) against the cell wall. It is... Read More

Dicot

Definition noun, plural: dicotyledons A group of flowering plants belonging to the class Magnoliopsida of Angiospermae... Read More

Hilum

Definition noun, plural: hila (botany) The scar on a seed or a spore at the site where it was attached to its stalk during... Read More

Herbivore

Herbivore Definition A herbivore is the primary consumer of the food chain that usually occupies the second trophic level... Read More

Gymnosperm

Definition noun, plural: gymnosperms A vascular plant in which the seeds are not enclosed by a ripened ovary... Read More

Strangler

Definition noun, plural: stranglers (botany) A hemiepiphyte or epiphyte that grows when seed germinates at the canopy of the... Read More

Asexual reproduction

Asexual Reproduction Definition What is asexual reproduction? Asexual reproduction is a mode of reproduction that does not... Read More

Flora

Flora in Roman history refers to flowers. Flora was considered the god of spring for the Roman empire. In ecology, flora is... Read More

Eudicotyledon

Definition noun, plural: eudictoyledons Any of the tricolpate angiosperms characterized mainly by having two cotyledons in... Read More

Cell differentiation

Cells are often described as the building blocks of life as they are the smallest unit used to build up organisms. Cells can... Read More

Dicotyledon

Definition noun, plural: dicotyledons A group of flowering plants belonging to the class Magnoliopsida of Angiospermae... Read More

Kernel

Kernel 1. The essential part of a seed; all that is within the seed walls; the edible substance contained in the shell of a... Read More

Commensalism

Commensalism Definition What is commensalism? Literally, commensalism is a Latin word that means ‘to eat at the same... Read More

Vegetable

Definition noun, plural: (1) The edible (part of a) plant (e.g. leaves, roots, flowers) but not including the fruit or... Read More

Vacuole

A vacuole is a single membrane-bound organelle with no definite shape or size found in both prokaryotic and eukaryotic... Read More

Ovule

ovule A structure in seed plants which contains the megasporangium (nucellus), megaspore (embryo sac), a food store, and a... Read More

Monocotyledon

Definition noun, plural: monocotyledons A group of flowering plants belonging to the class Liliopsida (or Monocotyledonae)... Read More

Integument

Definition noun (1) (anatomy) The outer protective covering of (the body of) an organism, such as cuticle, fur, shell, rind,... Read More