use of a microscope containing improved lenses that could magnify objects almost 300-fold, or 270x. Under these microscopes, Leeuwenhoek <span>found motile objects. </span>
Matter cannot be created or destroyed in chemical reactions. This is the law of conservation of mass. In every chemical reaction, the same mass of matter must end up in the products as started in the reactants. Balanced chemical equations show that mass is conserved in chemical reactions.
The correct option is B.
A multi cellular organisms has many cells which carry out various function and which are organised into tissues, organs and organ system. A unicellular organism on the other hand has only one cell with different cell organelles. Thus, in unicellular organisms, it is the cell organelles that carry out different functions. <span />
<h2>Answer:</h2>
True
<h2>Explanation:</h2>
When an animal is killed illegally it is called poaching. Poaching is usually done when an animal possesses something that is considered valuable such as the fur of the tiger and teeth of elephants. Poaching has been considered as a crime by law because it can affect the environment by depleting certain species of animals. It causes animals that are endangered to become extinct, which creates a disturbance in the food chain.