Zoology & Botany

roots, celery

Prepare a picture of/book about/a poster of any plant and its roots in advance, as well as a picture or real celery and celery taproot.

Say: Look at this picture. (Show a picture of the plant and roots.) This is a plant and these are the roots. Remember, to be classified as a plant, a living  thing should have multiple cells, grow in soil, have  leaves and roots, produce seeds, and produce its own food through photosynthesis. (Point to the roots) Say: In vascular plants, the root is the organ of a plant that typically lies below the surface of the soil.

The four major functions of roots are: First, absorption of water and inorganic nutrients. Second, anchoring of the plant body to the ground, and supporting it. Third, storage of food and nutrients. Forth, vegetative reproduction. In response to the concentration of nutrients.

The primary root, or radical, is the first organ to appear when a seed germinates. It grows downward into the soil, anchoring the seedling.

This radical becomes a taproot. It grows downward, and the branches, or secondary, roots grow laterally from it. This type of system is called a taproot system. In some plants, such as carrots, turnips, or celery, the taproot, or storage organ, is well developed. It is cultivated as an edible part of the plant due to its tastiness.

(Hold up the celery and its taproot) Say: This is a celery stalk and here is its taproot. (Give the celery to the baby in order to touch it and lick it) Say: Celery is a type of herbaceous plant that belongs to the parsley family (same family includes carrots, cumin and parsley). Cultivation of celery started 3000 years ago probably in the Mediterranean region. Celery can be found all over the world today. It grows on clay and sandy soils and prefers temperate climate. It is an aromatic plant grown primarily for its stalk and taproot that are used as vegetables. The stalks are called bunch celery (for obvious reasons) they consist of a group of pale green, succulent stems with thick, white bases which are joined at the bottom of the stalks to a crown at ground level. Each of these stick-like stems (which are crisp, crunchy and juicy) has branches at the top with green, serrated or saw-like edged leaves. The stems are ‘U’ shaped with slight furrows or ribs running parallel to the stem. Both stems and leaves can be eaten. Celery can be grown easily as a potherb in the home-gardens for its flavourful leaves, shoots, roots, and seeds. The stalk´s most popular use is to impart its flavor to a dish. Celery can be eaten on its own, raw, but its wonder comes from its use as a flavoring ingredient, giving depth and aroma to stews, soups and sauces. Do you know, baby that celery contains substances that have beneficial effect on the human health and that nibbling of celery stalks helps in cleaning the teeth and mouth after the meal? This plant represents integral part of human diet. We need to take care of Celery and treat them with respect because they are living things just like us, people.

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