04 - How do we Classify Life? (Some first ideas)

Canis Evolution Phylogenetic trees are often used to show how different species are related. Complete "Investigation: Is a dog more closely related to a coyote or to a wolf? on paper, then work through the remaining parts of this assignment. VocabularyYou are going to need a vocabulary refresher for this activity. It looks like a lot of words, but you should already know most of them. Write them down in your notebook so that you can refer to them later. Symmetry As some living things evolved over time, they developed different types of symmetry. SymmetryAs some living things evolved over time, they developed different types of symmetry. Symmetry can be used to determine relationships between living things.Sort the following living things according to their symmetry. no symmetry radial symmetry bilateral symmetry TrophyWhen life first appeared on earth it had to be able to make (synthesize)its own food. It had to be able to make its own carbohydrates (sugars) for energy. As time passed,life became more abundant, life evolved that fed on other life. These two types of life are called autotrophs and heterotrophs. Auto means self and troph means nutrition or nourish. Autotrophs make their own food. Many autotrophs are photosynthetic. Photo means light and synthesize means to put together. Photosynthetic plants use the light energy from the Sun to put CO2 molecules together to make sugars like glucose. heterotroph autotroph VertebratesOne group of animals evolved to have backbones. These animals are called vertebrates. Animals without a backbone are called invertebrates. vertebrates invertebrate April 2 Crossword Go to Google Classroom and complete the April 2 Crossword. Use your notes. Take a screenshot of the crossword and turn in.Be sure to save and turn in this worksheet so that you get credit.