Zoology Crossword Puzzle

QUESTIONS LIST:

• heterotrophic : consume other living things for food
• plants : cellulose and autotrophic
• fungi : cell wall made of chitin
• transitional : _ fossil - characteristics of two or more groups
• fossils : remains of dead organisms
• dna : molecule with instructions for life
• adapted : characteristics for survival
• invertebrate : no backbone
• autotrophic : makes own food from sun
• homologous : structures that are similar in two or more organisms
• evolution : organisms changing over time
• taxonomy : classification
• vertebrates : backbone
• zoology : study of animals
• protists : organisms that don't fit into other kingdoms
• bacteria : single cell no nucleus
• ancestor : common _ : from which two or more species evolved.
• cell wall : gives cell shape and protection
• descent : common _ : all organisms share the same ancestors
• natural : _ selection : best adapted have more offspring