Biology

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Reproduction in Plants and Animals
Reproduction in Plants and Animals 150 150 SchoolTutoring Academy

All living things grow, get old and then die.  All living things produce young ones like themselves so that life on Earth can continue.  Animals reproduce in different ways.  A…

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Biology: What is a Cell?
Biology: What is a Cell? 150 150 SchoolTutoring Academy

Biology: What is a Cell? The cell is the smallest unit of living matter that exhibits the characteristics of life. Cell theory: Every organism is composed of one or more…

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Biology: The Structure of Cells
Biology: The Structure of Cells 150 150 SchoolTutoring Academy

Electronic micro-scoping has revealed the following structure in a cell. Cell or Plasma membrane: A membrane is a thin protoplasmic envelope. It encloses the cytoplasm and is selectively permeable which…

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Biology: Components of the Circulatory System
Biology: Components of the Circulatory System 150 150 SchoolTutoring Academy

In humans, the circulatory system has three distinct components. Blood (A fluid that can circulate in the body) Heart (A pump that can circulate the blood around the body) Blood…

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Biology: Muscles in the Human Body
Biology: Muscles in the Human Body 150 150 SchoolTutoring Academy

The human body has more than 650 individual muscles to provide movement for the body. The muscles make up nearly half the weight of the human body. Muscles stretch across…

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The Respiratory System
The Respiratory System 150 150 SchoolTutoring Academy

The primary function of the human respiratory system is to transport air into the lungs and to facilitate the diffusion of Oxygen into the blood stream and to receive waste…

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The Oxygen Cycle
The Oxygen Cycle 150 150 SchoolTutoring Academy

Oxygen is an important constituent of air around us. Approximately 21% of the atmosphere is comprised of oxygen. Most of the oxygen found in our atmosphere is released by plants,…

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Classification of Living and Non-living Things
Classification of Living and Non-living Things 150 150 SchoolTutoring Academy

The world around us is filled with variety of things. We see so many different things every day. Inside our house or school we see furniture, electronics, food, drinks, birds,…

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Understanding Pollination in Flowers
Understanding Pollination in Flowers 150 150 SchoolTutoring Academy

Pollination is a very important process in flowers. It is the process by which pollens is transferred in the reproduction of plants, thereby enabling fertilization and reproduction. Flowers have different…

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Classifying the Various Parts of a Plant
Classifying the Various Parts of a Plant 150 150 SchoolTutoring Academy

Plants are one of the big groups of living things. Like other living beings plants grow and die, need energy, air, water and nutrients, made of cells, reproduce, breathe and…

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