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
Alja [10]
3 years ago
8

A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can

live in the water. In this experiment the independent variable is ?
Biology
2 answers:
allsm [11]3 years ago
5 0
The independent variable is the amount of salt because you can change how much you put in the water.
evablogger [386]3 years ago
4 0

the answer is water your welcome




You might be interested in
Which three statements are true about the energy flow in an ecosystem
Lady_Fox [76]

Ecosystem energy flow. Energy's life moves. The energy cycle is based on the flow of energy in an ecosystem through various trophic levels. The cycling energy and nutrients obtained from various external sources maintain our ecosystem.

The responses are A, B, and E. A) Because the sun provides the entire ecosystem with energy, it is a major source of energy. B) because photosynthesis is the process in which plants convert radiant energy from the sun into chemical energy to form sugar-known glucose. E) I believe because, as it moves throughout the ecosystem, the amount of energy at each trophic level decreases.

I hope this helped!!!

6 0
3 years ago
A team of scientists conducted a study of grassland ecosystem and estimated the total energy at each trophic level. Their data i
maria [59]

Answer:

In grassland ecosystem, first trophic level is the producer. Producers are the organisms which makes their own food, here the producer are grasses. The second trohic level contain herbivores which feed on these grasses. These herbivores are eaten by secondary consumers which belongs to third trophic level and secondary consumers are then eaten by tertiary consumer.

The population of producers are very high so it is placed at the base while tertiary consumer are placed on the top due to low population.

8 0
3 years ago
What do parasitism, predation, and commensalism have in common? How are they different?
luda_lava [24]
Symbiosis is the ecological relationship between two or more organisms living closely together with some form of feeding relationship involved. The three main symbiotic relationships are: - Mutualism, where both organisms benefit. - Commensalism, where one organism benefits while the other organism is not harmed. All of them thrive off of the other organism.
6 0
3 years ago
Explain how homeostasis in a cell is maintained?
oksian1 [2.3K]
Cell membranes help organisms maintain homeostasis by controlling what substances may enter or leave cells
4 0
3 years ago
Rank the following scientific questions from the general to the most narrowly focused question.   A. How do mountains form? B. H
irakobra [83]
A, C, then B. <span>Hope this helps! Brainliest would be appreciated!</span>
6 0
3 years ago
Other questions:
  • What are some ways that a cat and a tree are similiar?​
    5·2 answers
  • Proteins are broken down into _____ that can be actively transported across the intestinal wall.
    7·1 answer
  • Certain risk factors can predict whether or not an individual will get cancer.
    10·2 answers
  • Stacie was adopted. Her adoptive mother is a talented painter. Stacie also enjoys painting and drawing. Which kind of trait is S
    7·2 answers
  • A group of hikers find a fallen tree in a forest. The dead tree trunk is covered by mushrooms and other fungus. Later, they find
    10·2 answers
  • What is the difference between bicuspid valve and tricuspid valve?
    12·2 answers
  • Why do arteries need to be thick, muscular, and elastic?
    14·2 answers
  • What structures do human epithelial cells have in common with elodea cells
    9·2 answers
  • Christopher describes how warm ocean currents help moderate Florida’s temperature.
    5·1 answer
  • What can cause the physical weathering of rock? A. water B. wind C. heat D. all of the above
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!