Introduction Worksheet BI

Introduction to Biology Review

1. All living things are called _______________________.

2. The approximately 40 million types of living things on Earth are known as ______________________.  How many have been identified? __________________.

3. The land, water, and air on Earth that sustains life is known as the ___________________________.

4. A species is a group of organisms so similar to one another that they can _______________________ or _____________________________.

5. Evolution simply means ______________________________________.

6. When hereditary information from two parts of a single organism or from two organisms of the same species is combined it is called  _______________________.

7. An organism that must take in food is a(n) _________________________.

8. The encoded, genetic instructions for making many other molecules necessary for life is called  __________________. 

9.  Produces greatly magnified images of surface details ________________  _____________  __________________  or ______________.

10. Increase of an object’s apparent size is ________________________________.

11. The production of offspring is called __________________________________.

12. The formation of two cells from an existing cell is called ______________   _____________________________.

13. Produces a greatly magnified image of internal details ___________________  _______________   ______________ or _____________.

14. Ultimately, almost all living organisms get their energy from the _______________.

15. ______________________  reproduction involves no recombination of genetic material, or exact duplication of the parent.

16. ________________________ reproduction involves combining hereditary information from two  different species or from two organisms of the same species.

17. A short segment of DNA that contains instructions for a single trait is called a(n) __________________________.

18. What is the smallest unit of life capable of carrying out all life functions?

19. Sum of all chemical processes of an organism _______________________________.

20. Through the process of ____________________________________ plants capture the energy from the sun and change it into a form of energy that can be used by living things.

21. Capability of showing clear details refers to ________________________________.

22. The study of how organisms interact with each other and their environment is called ___________________________.

23. The process by which an adult organism arises is called _______________________.

24. When hereditary information from different organisms is not combined it is called __________________________ reproduction.

25. An organism that makes its own food is called a(n) __________________. Give an example.

26. To maintain their internal organization, all living things must have a constant supply of _____________________.

27. Reproduction involves the transfer of genetic information from _____________________  to ____________________.

28. The stable internal environment maintain by living things is called ________________.

29. The most important driving force in evolution is ____________________.

30. The scientific process that involves using the five senses is _______________________.

31. Data that are quantitative are always represented by __________________________.

32. A hypothesis is a statement that can be _______________________________.

33. A broad and comprehensive statement of what is believed to be true is a(n) ______________________________.

34. A small part used to represent an entire population is called a(n) __________________________________.

35. Organisms that are composed of only one cell are called _________________.

36. Organisms composed of more than one cell, such as a plant, are called ______________________.

37. What type of microscope has the greatest magnification?

38.  Cell division and cell enlargement together results in ____________________.

39. Cell division and cell differentiation results in ________________________.

40. How does a theory differ from a hypothesis?

41. List the six major characteristics of living things.


42.  Compare cell division in unicellular & multicellular organisms.


43. Why is it important for scientist to communicate about their work?


44. Why do scientists use SI rather than the system of measurement adopted for use in their own country?

45. How do autotrophs differ from heterotrophs in obtaining energy?

46.  Would a field biologist who studies the ecology of a bird species necessarily use the same scientific methods as a laboratory biologist who studies how a virus infects cells?  Why or Why Not?

47.  How does the growth of a nonliving thing differ from growth of a living thing?

48. Why are so many organisms yet to be discovered, identified, and described?


49. List the six major themes of biology.