Unit 4: Classification of Living Creatures
The classification of living 1._______ as plant, animal or cell-like structure continues to be 2._______ for the world scientists. Even a seemingly simple decision such as the placement of a species into a kingdom maybe the subject of heated 3._______ A perfect example of this classification 4._______ is the group of organisms commonly known as 5._______.
a. Creatures
b. problematic
c. debate
d. dilemma
e. algae
Algae are 6. ______ and known as aquatic plant. In Latin, it means seaweed but not all of them are weed or lives in the sea. Some 7.______ can be found in soil, snow or in animal species and 8. _______ quite a long time without water. The world’s scientists agree that algae have four categories which are distinguished by 9. ________. However, one type is still 10. _______.
a. uncertain
b. varieties
c. slim
d. pigmentations
e. live
11. What is photosynthesis used for?
a. conversion
b. sunlight
c. nourishment
d. energy
12. What is an important element in photosynthesis?
a. pigment chlorophyll
b. trait
c. nucleus
d. sunlight
13. What does catchall refer to?
a. Kingdom Monera
b. Kingdom Plantae
c. Kingdom Protista
d. None of them
14. How many types of Algae are multi-celled?
15. How many types of algae are single-celled?
.a. 1
b. 3
c. 4
d. None of them
good luck! (the answers are in your manual