1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Airida [17]
3 years ago
14

Why are biologists still debating the classification of protozoans? A. Biologists never agree on anything. B. There are estimate

d to be over 50,000 different species. C. Protozoans can be heterotrophic or autotrophic. D. Protozoans can be unicellular or multicellular.
Biology
1 answer:
miskamm [114]3 years ago
6 0

Answer:

B

Explanation:

Answer B is correct:

Because the biologists are continuing to learn more and more about such minute organisms, protozoan systematics – that is,  the taxonomy (classification) and the evolutionary interrelationships of major groups of protozoa – remains a  topic of debate and change, still today.

Some of the rather  LARGE and unwieldy taxonomic groupings of past years are  particularly subject to revision with expansion of and  refinement in the knowledge about the members of those –  and related – assemblages. Paradoxically, the protozoa  themselves are becoming more difficult to define with  precision as our information about them and other microbial assemblages increases. Thus, presenting a single  satisfactory circumscribed definition for them is not an  easy task.

...

Answer A sounds so funny.

Answer C and D are false because Protozoans are usually single-celled and heterotrophic.

...

Hope this answer can help you. Have a nice day!

You might be interested in
Which of the following organisms likely have the most similar chromosomes
Murljashka [212]
What are the options?
6 0
3 years ago
In your own words, explain the difference between physical properties and chemical properties.
Alex Ar [27]

Answer:

Chemical properties are tested on not because of their color or their appearance but how they will react to certain tests. Such as; is it flammable? Could it be toxic? Physical properties are tested on and observed because of the texture, the color, smell and etc.

Hope this helps!

P.S: I love your profile picture!

5 0
2 years ago
Read 2 more answers
Which types of macromolecules are common to both organisms and viruses?
Leni [432]

Answer: A) Proteins and nucleic acids

Explanation:

6 0
3 years ago
Read 2 more answers
Where do homologous chromosomes exchange genetic material through crossing over?
zvonat [6]

Answer: C) Centromeres

Explanation: Centromeres are involved in crossing over, none of the other ones are.

8 0
3 years ago
Read 2 more answers
A woman with a waist circumference greater than which measurement is at a greater health risk than an individual with a lesser w
zvonat [6]
35 inches (88 centimeters)
4 0
3 years ago
Other questions:
  • A train travels at 69 kilometers in 1 hours and then 98 kilometers in 5 hours. What is it’s average speed?
    6·1 answer
  • During gamete formation, each allele of a pair for a gene moves to separate gametes. Which principle is indicative of this state
    10·1 answer
  • The study of how things interact with each other and with their environment is called
    13·2 answers
  • Number the following events of plant evolution in sequential order.
    5·2 answers
  • The largest organ of the human body is the skin. The total external skin area of the average human covers an area of approximate
    7·1 answer
  • Viruses that infect prokaryotes are called ____<br> The choices are<br> Virions, phages, or capsids
    15·1 answer
  • Unsaturated fats have ____________ as a part of their structure. these bonds are generally in the ____________ in naturally occu
    13·1 answer
  • The pedigree below shows the occurrence of red-green colorblindness in four generations of a family. Use the information in the
    13·1 answer
  • Moving ridges of water on the surface of the ocean caused by wind and constantly cause weathering along the shoreline. *
    8·1 answer
  • What is some evidence that makes plate tectonics is such a firmly believed idea?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!