A) a common ancestor Homologous structures are structures that are similar in related organisms. There is a basic pattern of bones which can be inherited from a common ancestor
Flowers are living plants that grow if they have water and sun 2. without a lot of sun the flower will not be able to grow as tall and properly 3. flowers have a certain part that the bees collect to there hive in order to keep there colony growing 1.cones have a certain shape that make them easier to identify them from other parts of nature 2. Pine cones only come from pine trees, although all conifers produce cones. 3. Gymnosperms are a group of plants who have naked seeds, not enclosed in an ovary. 1. spores may consist of one or several cells (but do not contain an embryo) and are produced in large numbers 2. Some germinate rapidly, others 'rest', surviving unfavorable environmental conditions. 3.Spores are formed by ferns, horsetails, mosses, fungi and bacteria.
