Science 7 SP (REAL) Living and Nonliving Things: Finals Practice

  1. What do plant cells have that animal cells do not?

    D) chloroplasts and cell walls
  2. Fungi are organisms that

    A) break down dead matter and absorb useful elements from it
  3. Non vascular plants do not have

    C) transportation tubes
  4. An organ that is not part of the digestive system is the

    B) kidney
  5. A chemical from a gland that affects other body parts is

    A) a hormone
  6. Hereditary information is passed from one generation to the next by

    A) chromosomes
  7. A section of DNA that contains the blueprint for a single trait is

    D) a gene
  8. Humans have 46 chromosomes. How many of a child's chromosomes come from its mother?

    C) 23
  9. The two processes that produce variations in living things are

    A) sexual reproduction and mutation
  10. A species becomes extinct when

    C) all members of the species have died
  11. After a very cold, dry winter, which wolves are most likely to survive and have offspring?

    D) those with thick fur
  12. The fossil record shows that

    B) many species of organisms that once lived are now extinct
  13. One example of variation and natural selection taking place today is

    A) strains of bacteria becoming resistant to antibiotics
  14. Which of these is a type of sexual reproduction in plants?

    D) growing a new plant from a seed
  15. In sexual reproduction each new individual develops from

    D) a fertilized egg
  16. In the pupa stage of a moth's life cycle, the organism

    A) lives inside a cocoon changing its shape
  17. After mitosis, each daughter cell has ___________ of chromosomes as the parent cell.

    D) the same number
  18. After meiosis, each new cell has _________ of chromosomes as the parent cell.

    D) 1/2 the number
  19. Meiosis in a male results in the formation of

    C) sperm cells
  20. Fungi can best be classified as

    A) decomposers
  21. What role do plants play in an ecosystem?

    B) producers
  22. endotherm
    warm-blooded animal
  23. Nutrients the body needs for the growth and repair of cells are

    D) carbohydrates
  24. A person who takes in 2,800 calories a day and uses 2,300 calories a day will most likely

    B) gain weight
  25. Which of the following is not harmful to the development of an unborn child ruing pregnancy?

    B) pizza
  26. The breaking down of food by an organism is called

    B) digestion - respiration is digestion at a cellular level
  27. In an energy pyramid, energy flows

    C) from bottom to top
  28. Most of the energy in an energy pyramid is found at the

    C) bottom level
  29. In the process of photosynthesis, plants use

    B) water and carbon dioxide to make sugar and oxygen
  30. The chemical in green plants that allows them to carry out photosynthesis is

    C) chlorophyll
  31. An ecosystem is

    C) all the living and nonliving things that interact in an area
  32. In parasitism two organisms live together and

    D) one organism benefits while the other is harmed
  33. Which of the following human actions would benefit the surrounding ecosystem?

    B) carpooling
  34. Acid rain can do all the following except

    B) clean streams
  35. Which of these is a renewable resource?

    B) wood
  36. Particulates pollute the environment by sending into the air

    D) soot
  37. Which activity do plant cells perform that animals cells do not perform?

    C) photosynthesis
  38. Which cell part is larger in plant cells than in animal cells?

    B) vacuole
  39. What is the substance that surrounds the nucleus of the cell?
Card Set
Science 7 SP (REAL) Living and Nonliving Things: Finals Practice
Science 7 SP Living and Nonliving Things: Finals Practice