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Comparison of plant and animals as living things Animals are classified as wild and domestic animal. Domestic animals are animals that live with us at in our home, school compound and environment which we care for and they are not harmful to us. Domestic animals can also be called a friendly animal. While wield animals […]
The Circulatory System Large and complex animals have circulatory systems that consist of tubes, a transport fluid and a means of pumping the fluid. Blood is the transport fluid which contains dissolved substances and cells. The tubes are blood vessels through which dissolved substances are circulated around the body. The heart is the pumping organ […]
NUTRITION IN ANIMALS – HETEROTROPHISM Meaning and Types of Heterotrophism This is a mode of nutrition whereby organisms feed on complex organic matter from other plants or animals All animals are heterotrophs Their mode of feeding is also said to be holozoic to distinguish it from other special types of heterotrophic nutrition namely: Saprophytism Parasitism […]
COMPARISON BETWEEN ANIMAL CELL AND PLANT CELL Plant Cell & Animal Cell Cell Specialisation Cells are specialised to perform different functions in both plants and animals Example; Palisade cells have many chloroplasts for photosynthesis Root hair cells are long and thin to absorb water from the soil Red blood cells have hemoglobin which transports oxygen […]
SOCIAL ANIMALS – MEANING, CHARACTERISTICS, IMPORTANCE & LIFE HISTORY Social animals are those in which individuals of the same species live together cooperatively in organized communities known as societies (colonies). Examples of social animals are: social insects (like termites, honey bees or wasps, ants etc), wolves, foxes, baboons etc. Characteristics of Social Insects […]
SUPPORT AND MOVEMENT IN ANIMALS Necessity for support and movement in animals. Animals move from place to place: In search of food. To escape from predators. To escape from hostile environment. To look for mates and breeding grounds. The skeleton, which is a support structure, helps to maintain the shape of the body. Movement is […]
CLASSIFICATION OF ANIMALS AND ORGANIZATION OF LIFE THE VERTEBRATES (PHYLUM CHORDATA) All vertebrates have the following features: A bilaterally symmetrical body which is divided into a head, trunk and a tail with a neck joining the head to the trunk in most vertebrates. An internal skeleton (endoskeleton) Well developed central nervous system and sense organs. […]
DIFFERENCES BETWEEN PLANTS AND ANIMALS All living organisms can be generally classified as plants or animals. However, plants can be distinguished from animals in the following ways: PLANTS ANIMALS 1. Undergo passive movement. Undergo free or active movement with well developed organs of locomotion. 2. Gaseous exchange takes place through the entire body. Gaseous […]
EXCRETION AND HOMEOSTASIS (PLANT AND ANIMAL) Introduction What is Excretion? Excretion is the process by which living organisms separate and eliminate waste products of metabolism from body cells. If these substances were left to accumulate, they would be toxic to the cells. Egestion is the removal of undigested materials from the alimentary canals of animals. […]
GASEOUS EXCHANGE IN PLANTS AND ANIMALS Necessity for Gaseous Exchange in Living Organisms Living organisms require energy to perform cellular activities. The energy comes from breakdown of food in respiration. Carbon (IV) oxide is a by-product of respiration and its accumulation in cells is harmful which has to be removed. Most organisms use oxygen for […]
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