Plants and Soils Zip Around Roots Stem Leaves The part of the plant that is underground and holds the plant in place and takes in water and nutrients from the soil. Connects the roots of the plant to the leaves, supports the leaves, and carries water from roots to leaves. Parts of the plant that take in light and air and grow out of the stem. Cells The small units all living things are made of. Simple Plants Plants with NO roots, leaves, or stems. Seed Germinates The part of the plant containing a young plant and stored food. This is the first stage of growth in many plants. When the small plant breaks out of the seed. Seedling A young plant. Photosynthesis The food making process of plants. Chlorophyll Soil Humus Topsoil Bedrock Clay The green color in plants that helps the plant use the energy from the sun to make food. Loose material made of minerals, humus, water, and air in which plants can grow in the upper layer of the Earth. The part of soil made up of decaying, once living things. The top layer of soil, made up of the smallest grains and has the most humus. The solid rock under soil. A type of soil with small grain that hold water well. Loam Soil with a mix of large and small grains that contains humus. Resource A material found in nature used by living things. Conservation Saving resources by using them carefully. Strip Cropping Planting strips of thick grass or clover in between strips of crops. Contour Plowing Planting rows of crops along the sides of hills, instead of up and down.