Which of the following statements are NOT true of protozoans?
A. There are approximately 40,000 species.
Đáp án C
A: (4) Nevertheless, with the current data available, almost 40,000 species of protozoans have been identified.
B: (1) The protozoans, minute, aquatic creatures each of which consists of a single cell of protoplasm, constitute a classification of the most primitive forms of animal life
D: (4) No doubt, as the technology improves our methods of observation, better models of classification will be proposed.
It can be inferred that the emergence of the mass media and specialised reading materials was an indication of ___.
The phrase “a specialised readership” in paragraph 4 mostly means “ ”.
Silent reading, especially in public places, flourished mainly because of ___.
When the Sun becomes a red giant, what will the atmosphere be like on the Earth?
Large amounts of gases may be released from the Sun at the end of its life as a .