This chapter reviews plant reproduction by seeds and spores, as well as by other means. Life Sciences - Photosynthesis Plants differ from all other living things in that they are able to produce their own food by the process of photosynthesis. This chapter reviews photosynthesis and the related process of respiration. Life Sciences - Ecosystems Ecology is the study of the relationship among living things and their environment. An ecosystem is all the living and non-living things in an area.
Ecology studies the factors affecting ecosystems.
This chapter reviews the concepts of ecosystems, including food chains, succession, and population. This chapter reviews the concept of biomes and identifies the major biomes. Physical Sciences - Properties of Matter Anything that has mass and takes up space is matter. Matter can be described according to its physical and chemical properties. This chapter reviews the properties of matter, including chemical properties and physical properties such as mass, volume, and density.