Answer:
A) Tissue
Explanation:
Cells are the basic and fundamental units of all living organisms. Plants, like every other multicellular living organisms, are composed of cells that perform different functions. A group of cells that perform similar functions make up or form TISSUES, tissues that work together form the ORGAN, organs that work together to perform same function form the ORGAN SYSTEM.
In plants, sieve tubes and companion cells work together to carry out a similar task in plants, which is to transport nutrients and sugar inside the plant. Since sieve tubes and companion cells work together to fulfil same task, they collectively form a tissue in plants called PHLOEM tissue.
Vitamin A deficiency is the leading cause of preventable blindness in children.
Answer:
Lactoferrin, lysozyme and peroxidase.
Explanation:
Lactoferrin, lysozyme and peroxidase are the substances which are present in the saliva and tears and work as a first line of defense in the body against harmful microorganisms in humans and animals. Lactoferrin helps to protect the body fromagainst DNA or RNA based viruses such as rotavirus and HIV. Lysozyme is a type of enzyme which prevents the growth of bacteria by breaking down the cell wall of bacteria.
Answer:
prophase I and metaphase I
Explanation:
D!!
after the geological even the farthest layer down is the oldest
