1. The smallest unit that makes up all living things.
  2. When an organism is no longer alive on Earth it is said to be...
  3. Name given to living and nonliving things in an environment, and all their interactions
  4. Step-by-step process in which organisms within a ecosystem get the food they need to survive
    food chain
  5. Physical evidence of an organism that lived in the past
  6. An organism's home
  7. Highest level of groupings in which organisms are classified.
  8. A group of organs that work together to carry out life functions.
    organ system
  9. A group of tissues that work together to do a certain job
  10. When harmful substances are added to Earth's water, air, and land
  11. The smallest group into which an organism is classified
  12. A group of similar cells that work together to carry out a job
  13. Any of the one-celled organisms that live in water. They look like a blob with a dot in the middle
  14. What is one thing looking at fosslils can help you know?
    Living things have changed over time.
  15. What part of a cell is missing from all bacteria?
  16. Scientists classify organisms into 6 groups: ancient bacteria, true bacteria, protist, fungus, plant, and animal. These are called...
  17. Many fossils are skeletons preserved in this...
  18. The oldest fossils and the oldest rock layers are found in this area...
    the lowest or bottom layers
  19. The youngest fossils and the youngest rock layers found in this area...
    the highest or top layer
  20. Event when many different species die-out
    Mass extinction
  21. What do we call the living part of an ecosystem?
  22. What do we call a part of a community made up of one type of organisms?
  23. What is an organisms home called?
  24. What do we call the organisms that break living and dead matter into simple chemicals?
  25. What do we call the steps by which organisms get the food they need to survive?
    The Food Chain
  26. What do we call it when acids in smoke from factory smokestacks mix with water in the air and falls to Earth?
    Acid Rain
  27. If a drought changes an ecosystem into a desert what will happen to the plants?
    Only those that can live with little water (drought-resistant organisms) will survive.
  28. A consumer is something that uses the food produced by a producer. Name some consumers.
    Beetle, bird, person...
  29. What can you find in a plant cell that you won't find in animal cells?
  30. Name another animal that would fit into this animal group: tiger, cheeta, lion, cougar...
  31. Name the 5 basic life functions that all living things carry out.
    1) They all grow and develop. 2) They all use energy. 3) They all reproduce. 4) They all respond to the environment. 5) They all get rid of wastes.
  32. Name a producer.
    Tree, flower, grass...
  33. Name a consumer.
    Bird, beetle, animal, and person
  34. Name a decomposer.
    fungi, bacteria, mold...
  35. Name a few things plant cells have that animal cells do not.
    Chlorophyll, cell wall, chloroplast
  36. All living things need these 4 things.
    water, oxygen, food, and shelter
  37. Name the three basic differences in plant and animal cells.
    covering, color, and shape
  38. The characteristics of a living thing that organisms in each kingdom share
  39. Organisms are scientifically named by these two things; in the correct order.
    their genus and their species (in that order)
  40. List four things that can change an ecosystem.
    overpopulation, diseases, drought, and pollution
Card Set
Chapter 1 Science Flash Cards