Science Homework Help

1. Evolution: Explain what evolution is and how it happens (by the four forces); Explain (in detail) how natural selection causes adaptation to the environment; or Explain how evolution explains both the diversity and unity of life.

2.Structure and Function: Explain the idea that structure and function are interrelated using an example, given a description of a structure, infer the function, or vice versa.

3.Transformations of Energy and Matter: Sketch and explain where energy and matter are stored in the ecosystem and how they are transferred between living things, emphasizing the similarities and differences between the fates of energy and matter; or Sketch and explain at least one biogeochemical cycle in order to illustrate how matter is transferred and transformed as it moves between reservoirs.

4.Systems(the interdependency of life and its environment): Explain the concept of a food web and what happens if one species disappears; Explain what factors contribute to changes in the size of populations; explain what biodiversity is and why it changes (either at the geologic time scale or human–caused changes); Explain what potential changes will occur to the climate engine with increased greenhouse gases in the atmosphere;

5.Organisms: Describe the life functions organism need to perform, give an example of an organ system and how it works to maintain homeostasis and/or metabolic functions; Explain how the nervous and/or hormonal systems coordinate and control the other body systems and why it is important; Give examples of physiological and behavioral changes that can respond to changes in the environment.

Answer all questions with as much detail as possible.DO NOT COPY PAST material from website.