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
Harrizon [31]
3 years ago
11

A researcher has hypothesized that the chemical tributyltin (an additive in boat paint) seeps into the water causing reproductiv

e defects in developing marine snails. in an experiment testing the effects of tributyltin on developing snails, which condition should be used as a control?
Biology
1 answer:
natulia [17]3 years ago
4 0

Answer:

              In order to conduct experiment for checking the effect of tributylin on reproductive effects in marine the following treatments should be made


1. control condition:

                                    Consist of marine water having not tributylin .

2. Control condition

                                  Consist of marine water which is filtered and treated with chlorine in order to clean any other chemicals present in water

3. Condition

                    consist of marine water having tributyline

marine snails should be grown in all above mentioned condition and analysis should be carried out at reproductive and post reproductive stages. a comparative study will prove that either tributylin is responsible for reproductive defects or there are some other agents who bring about reproductive defects in snails.  


You might be interested in
Select a hypothesis above that would help restore equilibrium and explain your reasoning.
Mrac [35]

Answer:

analize data and draw a conclusion

8 0
2 years ago
George damaged a cranial nerve. His quality of life has decreased because he is no longer able to smile, move his mouth when he
Natalka [10]

Answer:

b. Facial nerve is correct

Explanation:   here is some googlied info as well

The facial nerve (the labyrinthine segment) is the seventh cranial nerve, or simply CN VII. It emerges from the pons of the brainstem, controls the muscles of facial expression, and functions in the conveyance of taste sensations from the anterior two-thirds of the tongue.

4 0
3 years ago
which body cavity is located inferior to the thoracic diaphragm and superior to the pelvic brim of the hip bones
AnnyKZ [126]
The answer is abdominal cavity ! hope this helped you :)
5 0
3 years ago
What is El Niño?
Anastasy [175]

El Niño: an irregularly occurring and complex series of climatic changes affecting the equatorial Pacific region and beyond every few years, characterized by the appearance of unusually warm, nutrient-poor water off northern Peru and Ecuador, typically in late December.

La Niña: a cooling of the water in the equatorial Pacific, which occurs at irregular intervals, and is associated with widespread changes in weather patterns complementary to those of El Niño, but less extensive and damaging in their effects.

how they differ: La Niña is sometimes referred to as the cold phase of ENSO and El Niño as the warm phase of ENSO. These deviations from normal surface temperatures can have large-scale impacts not only on ocean processes, but also on global weather and climate. ... Typically, El Niño occurs more frequently than La Niña.

5 0
3 years ago
What are the two parts of a lipid??
Nastasia [14]
Hydrophilic and hydrophobic
6 0
3 years ago
Read 2 more answers
Other questions:
  • At which trophic level do decomposers work
    8·1 answer
  • The purpose of a(n) _________ on a map is to help figure out how the distances on the map relate to the actual distances on the
    9·2 answers
  • Celery stalks that are immersed in fresh water for several hours become stiff. Similar stalks left in a 0.15 M salt solution bec
    13·1 answer
  • 1. What type of study has as its goal to find the differences and similarities among items?
    13·1 answer
  • The central nervous system includes all of the following except: brain spinal cord nerves that reach the tissues in limbs cerebe
    14·1 answer
  • Which weathering process involves physical forces but not chemical reactions or dissolving of minerals
    11·1 answer
  • factors that limit the growth of population are called A population growth B carrying capacity C limiting factors D biotic facto
    5·2 answers
  • When you hear the words "cold front" what comes to mind?
    5·1 answer
  • Can someone please help me both of them
    14·1 answer
  • What two methods can be used to make a deductive inference from a hypothetical proposition?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!