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Introduction to Plants 4th Grade
Transcript of Introduction to Plants 4th Grade
they need energy, nutrients, air and water
they produce young
they are made up of cells
they react to what's around them each seed contains a tiny plant waiting for the right conditions to germinate, or start to grow seeds wait to germinate until 3 needs are met
water correct temperature (warmth) good location (such as in soil) the seedling relies on food stored in its seed until its big enough for its own leaves to produce food through photosynthesis the process plants go through to produce their own food in their leaves things plants need to make their food chlorophyll:a green pigment found in the leaves of plants
nutrients and minerals during the process of photosynthesis, plants release oxygen which we need to breath plants with stems that are usually soft and bendable stems die back to the ground every year Woody plants with stems, such as tree trunks, that are hard and do not bend easily usually don't die back to the ground each year act as straws absorbing water and minerals from the soil help to anchor the plant in the soil so it doesn't fall over store extra food for future use make plant's food capture sunlight support the plant act like the plant's plumbing system, conducting water and nutrients from the roots and food in the form of glucose from the leaves to other parts of the plant contains pollen and tiny eggs called called ovules reproductive part of the plant happens in the flower of plants male part=stamen produce sticky powder called pollen female part=pistil top of pistil is the stigma seeds are made at the base of the pistil in the ovule Seed Dispersal animals wind water Why Do We Love Plants?! plants make food plants make oxygen plants provide habitats for animals plants help make and preserve soil plants provide useful products for people they're b-e-a-utiful!