unpleasant, no smell. Vein Patterns net vein pattern, parallel vein pattern. Single
or compound leaves. Source: Teacher's Guide for My Pals are Here.
CHIJ Our Lady Queen of Peace 3 Hope Science – Systems Chapter 4 – Plants and their Parts Name: _______________________ (
)
Date: ___________
How many species of plants are there? It has been estimated that there are 60,000 plant species in temperate Asia, 8,000 plant species in East Africa, 16,000 plant species in tropical Central Africa, 19,000 plant species in Europe-Mediterranean Basin, 7,000 plant species in Central America and 100,000 plan species in South America. Plants have a variety of adaptations that allow them to thrive in various types of environments.
How many species of garden plants can be found in Singapore? There are more than 1,200 species of garden plants found in Singapore. They are classified into five broad groups: climbers / ferns and allies / shrubs / cycads and palms / trees
Do you know? The spinach, kangkong and celery have no roots. The sweet potato has no stem or leaves.
a) What happens when plants have no leaves?
b) What happens when plants have no stems?
c) What happens when plants have no roots?
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TRUE OR FALSE? Misconception: When leaves make food, they only require chlorophyll to trap sunlight. Actual fact: The presence of chlorophyll is insufficient for plants to make food through the process of photosynthesis. Many other enzymes and organic compounds, such as carbon dioxide, are required.
Misconception: The roots of all plants require the presence of soil. Actual fact: The roots of some plants grow in the presence of soil but the roots of other plants can grow in the absence of soil, such as water plants. There are three many groups of water plants, which are the submerged plants, partially submerged plants and floating plants.
Misconception: Stems only have one function, which is to support plants. Actual fact: Stems also carry food, water and mineral salts to all parts of the plant. In addition, some stems, such as potatoes and ginger, store food for the plant. Ways to Categorize Leaves Shapes
heart / oval / round / palm
Sizes
large to small / wide to narrow / long to short
Textures
rough to smooth / thick to thin
Edges
entire / jagged / lobed / wavy
Colours
red / green / yellow / purple / variegated
Smells
fragrant and pleasant (basil, bay, celery, curry, mint, pandan, parsley), unpleasant, no smell
Vein Patterns
net vein pattern, parallel vein pattern
Single or compound leaves
Source: Teacher’s Guide for My Pals are Here
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