Adaptation. A special trait that helps an organism survive.
History of Life Part 3. Proterozoic Eon 2.5 bya – 543 mya stable continents first appear Most life are Bacteria and Archaeans first evidence of oxygen.
CHAPTER 3: BIODIVERSITY BIODIVERSITY – the differences that exist between the same species of living things. CLASSIFICATION – the method of classification.
Ron Chakrabarty Mark Juhn Daniel Montgomery Andrew Tung.
Big Question: How do animals build their homes? Author: Angela Wilkes Genre: Informational Text.
Science Review Questions 2008 TAKS. Notes These questions came from the TAKS grades 5, 8, 10 and 11 tests. Difficulty varies from “easy squeezy” to “gonna.
Vertebrates. Vertebrates are: Animals that have backbones.
Figure 47.0 Human embryo. Figure 47.1 A “homunculus” inside the head of a human sperm.
Cellular respiration: breakdown of organic molecules to produce ATP. A sufficient supply of oxygen is required for the aerobic respiratory machinery of.
