What Is Life and Classification Test Review

What is Life and Classification Test Review

1. Name the most important characteristics that all living things share.

2. Which is the most abundant chemical found in living cells?

3. A change in an organism's surroundings that causes it to react is called?

4. A plant growing toward light. ______is the stimulus ______is the response

5. The experiments of Redi and Pasteur helped to demonstrate what?

6. What is an organism's structure?

7. What is the source of energy for most autotrophs?

8. What is one of the most important items all living things need to survive?

9. What is homeostasis?

10. How does a bacterial cell differ from a plant or animal cell?

11. What is taxonomy?

12. Why do scientists organize living things into groups?

13. What is binomial nomenclature?

14. What does an organism’s scientific name consists of?

15. What do biologists use to classify organisms?

16. The more closely related two organisms are, the more similar they are in their

17. What is the broadest classification level?

18. What happens when organisms share more classification levels? 19. What shape describes some bacterial cells?

20. What is the union of sperm and egg called?

Write if the statement is true or false and if it is false then change the underlined word to make it true.

21. Growth is the process of change that occurs during an organism's life to produce a more complex organism.

22. A horse is a heterotroph.

23. Organelles that use energy from sunlight to produce food are called mitochondria.

24. Plant and animal cells usually are larger than bacterial cells.

25. All plants are eukaryotes that contain many cells.

Table of Classification Labels

Classification Level Aardwolf Grey Wolf Coyote Lion Blue Whale

Kingdom Animalia Animalia Animalia Animalia Animalia

Phylum Chordata Chordata Chordata Chordata Chordata

Class Mammalia Mammalia Mammalia Mammalia Mammalia

Order Carnivora Carnivora Carnivora Carnivora Carnivora

Family Hyaenidae Canidae Canidae Felidae Balaenopteridae

Genus Proteles Canis Canis Panthera Balaenoptera

Species Proteles cristatus Canis lupus Canis latrans Panthera leo Balaenoptera musculus

26. What classification groups do all organisms in the table have in common?

27. Based on their kingdoms, tell whether the organisms are unicellular or multicellular, (circle one) and autrotrophs or heterotrophs (circle one).

28. In what two ways are the organisms in the table similar to organisms in the plant kingdom? Unicellular or multicellular (circle one) and prokaryotes or eukaryotes (circle one).

29. Which of the organisms in the table is least similar to the others?

30. Which of the organisms is (are) most similar to a dog (Canis familiaris)? Why?