Post Views: 0 MILK Milk is a creamy, nutritious liquid produced by female mammals for feeding their young. The commonest in use is cow milk. Milk is nature’s perfect food… Read More »FOOD COMMODITIES: Milk, Vegetables and Fruits
Post Views: 1 TYPES OF ASSOCIATIONS AND THEIR FEATURES SYMBIOSIS OR MUTUALISM (+ +) Definition: When both population benefit and at least one of them is so dependent upon the… Read More »ECOLOGICAL MANAGEMENT
Post Views: 1 FEEDING RELATIONSHIPS Since all living organisms must obtain energy and nutrients from the environment in order to remain alive, they are into feeding relationships. This makes an… Read More »FUNCTIONING ECOSYSTEM
Post Views: 1 Biomes are large natural terrestrial ecosystem, identified by their dominant vegetation. They are terrestrial because plants form the bulk of the community in any ecosystem e.g. a… Read More »BIOMES
Post Views: 0 DEFINITION OF ECOLOGY Ecology is the study of plant and animals (as well as microorganism) in relation to their environment. As a practical science, ecological studies involve:-… Read More »BASIC ECOLOGICAL CONCEPTS
Post Views: 1 ANIMAL NUTRITION Animals generally cannot manufacture their food. Rather, they depend directly or indirectly on plants for their food. Hence they are called heterotrophs. Based on their… Read More »NUTRITION IN ANIMALS
Post Views: 1 IRRITABILITY AND TYPES OF RESPONSES Irritability is the ability of organisms to respond to stimuli. A stimulus is any change in external or internal environmental condition which… Read More »IRRITABILITY / CELL REACTIONS TO ITS ENVIRONMENT
Post Views: 1 REPRODUCTION IN AMOEBA Amoeba reproduces asexually by binary fission and multiple fission (sporulation) during adverse condition. In binary fission when an amoeba reaches full size, it stops… Read More »REPRODUCTION IN UNICELLULAR ORGANISMS AND INVERTEBRATES
Post Views: 1 There are two types of sexual reproduction, this include conjugation and fusion of gametes. Conjugation: the simplest form of sexual reproduction, as contrasted with asexual reproduction. This… Read More »SEXUAL REPRODUCTION
Post Views: 1 MEANING AND TYPES OF REPRODUCTION Reproduction is the ability of an organism to give rise to new individuals of the same species in order to ensure continuity… Read More »REPRODUCTION
Post Views: 1 RESPIRATORY SYSTEM IN MAMMALS The respiratory system of mammals is the most complex of all respiratory systems. It comprises of a pair of lungs enclosed in the… Read More »RESPIRATORY SYSTEM OF MAMMALS & RESPIRATION IN PLANTS
Post Views: 1 DEFINITION/PHASES OF RESPIRATION The process of respiration involves the taking in of oxygen its transport within the body of the organism, its exchange in the cells and… Read More »RESPIRATORY SYSTEM | DEFINITION, CONDITIONS, TYPES, MECHANISM, FISH, TOAD, SKIN & LUNGS
Post Views: 0 In simple unicellular plant materials are exchanged by simple diffusion process between the plants and its aquatic environment. Hence there is no need for elaborate transport system.… Read More »TRANSPORT SYSTEM IN HIGHER PLANTS
Post Views: 1 PROTECTIVE FUNCTION OF BLOOD The blood performs two basic functions in mammals and these are: (1) Transportation of various substances and (2) Protection of body against diseases… Read More »CIRCULATORY SYSTEM | BLOOD, CLOTTING, TYPES, BLOOD VESSELS, ARTERY, VEIN, HEART & ORGANS
Post Views: 0 Transport system is the movement of metabolic materials from various parts of an organism where they are produced and transported to other parts where such are used,… Read More »TRANSPORT SYSTEM | LOWER ORGANISMS, HIGHER ORGANISM, MAMMALS, ANIMALS, PLANTS, BLOOD CELLS
Post Views: 1 INVERTEBRATES Feeding in Hydra Digestion in Planaria Digestion in Earthworm Digestion in insects (Grasshopper) VERTEBRATES Digestion in Birds Digestion in Rabbits FEEDING IN HYDRA Hydra feeds… Read More »DIGESTIVE SYSTEM | HYDRA, EARTHWORM, INSECTS, BIRD, MAN, TAPEWORM & PLANARIA
Post Views: 1 TYPES OF TEETH Human beings have two sets of teeth in their lifetime. The first set is called the milk teeth that grow when the child is… Read More »MAMMALIAN TEETH
Post Views: 1 To carry out life processes, all organisms (plants and animals) need tissues. Tissues are group of similar cells that carry out specific functions. Skeleton is the framework… Read More »TISSUE AND SUPPORTING SYSTEM
Post Views: 1 LOCATION AND STRUCTURE OF CHROMOSOMES Chromatin granules (thread – like structures) found in the nucleus of eucaryotic cells are the precursors or raw materials of chromosomes. … Read More »CHROMOSOME | THE BASIS OF HEREDITARY
Genetics is the scientific study of heredity and variation in all living things. The word genetics was coined by Dilliam Bateson (1906