64
A mayor difference between plants and animals is that
- A. there is free movement in animals while this is limited in plants
- B. there is indefinite growth in animals only
- C. animals consume inorganic materials as food, while plants consume organic materials
- D. animals give up carbon-dioxide as a waste product of respiration while plants do not.
65
A virus can sometimes be regarded as a living organism because it
- A. causes disease in plants and animals
- B. exists in a variety of shapes
- C. reproduces in living cells
- D. is easily visible with the aid of an electron microscope
66
The group mollusca is characterized by the presence of
- A. jointed appendages
- B. star-shaped bodies
- C. backbones
- D. Soft, non-segmented
67
Which of the following groups embraces the rest?
- A. Class
- B. Kingdom
- C. Phylum
- D. Species