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
Ronch [10]
3 years ago
8

A student wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. To test this hypothesis, the stu

dent put the same amount of grass seed in 3 containers with the same type of soil. The student measured the growth at the end of the week. All plants received equal amounts of water and sunlight what is the dependant variable
Biology
2 answers:
Murrr4er [49]3 years ago
8 0
The growth rate pretty sure
lesantik [10]3 years ago
8 0

Answer: Growth rate of the grass seeds.

Explanation:

The growth rate is the dependent variable in the experiment because the growth rate of the plants is dependent on the fertilizers. The factor that cannot be changed by the experimenter is known as dependent variable and it is dependent on the independent variables.

The students wants to see the effect of the fertilizers on the growth of the plants.  The fertilizer is independent variable which can be changed by the experimenter.

The plants growth depends on many factors, these factors are fertilizers, amount of light, amount of water, et cetera.

Excluding fertilizers rest of the factors are kept same and are controlled factors.

You might be interested in
The pigment plants have that they use for photosynthesis is called _________.
VladimirAG [237]

Answer:

chlorophyll

Explanation:

The mechanism by which light energy can be transformed into chemical energy by synthesis of organic compounds is chlorophyll, a member of the most significant pigment class involved in photosynthesis. In nearly all photosynthetic species, e.g. green plants, cyanobacteria and algae, the use of chlorophyll is identified. It consumes light energy and is then used for the conversion to carbohydrates of carbon dioxide.

4 0
3 years ago
The ____________ is a series of membranous organelles that work together and communicate by means of transport ____________ .
aleksandrvk [35]
Endomembrane system, vesicle(s)
4 0
2 years ago
Driving down the road, you hit an insect. How does the force your car exerts on the insect compare to the force the insect exert
il63 [147K]
When reading your task I have immediately recognized Newton's third law. And ccording to this, without any doubts I can assume that <span> both car and insect exert forces of same magnitude on each other. That's all you need to solve this task. I am pretty sure you will find it helpful. Regards!</span>
4 0
3 years ago
Which statement is true regarding studies of the empty nest syndrome?
algol13
<span><span>If these are the answers you were able to choose from:

A)Parents who live vicariously through their children are less likely to experience empty nest feelings.
</span><span>B)For most parents, marital satisfaction decreases during the years after child rearing.
</span><span>C)Parents who are heavily invested in their children may suffer from a decline in marital satisfaction after children have left home.
</span><span>D)<span>Marital partners have less time for each other with their children gone.

Then the correct answer would be C - parents who are heavily invested in their children may suffer from a decline in marital satisfaction after children have left home. This also makes sense; they've been parents and not husband and wife. For that reason, following the child's departure, they're not sure what to do with themselves.</span></span></span>
7 0
3 years ago
What is the most common inhibitory neurotransmitter in the brain?.
kherson [118]

Answer:

GABA or gamma-aminobutyric acid is the most important of the inhibitory neurotransmitters in the nervous system. It is the most abundant of them, and it is distributed throughout the brain and spinal cord.

Explanation:

3 0
3 years ago
Other questions:
  • Which physiological trigger(s) will result in the sensation of hunger? which physiological trigger(s) will result in the sensati
    15·1 answer
  • Compared to an adult of appropriate weight, an underweight adult will have what issues?
    5·1 answer
  • Describe the post-fertilization changes in a flower​
    5·1 answer
  • Note the mechanism of absorption (passive or active transport) of the following food breakdown products, and indicate by a check
    8·1 answer
  • Why is incomplete dominance considered an exception to Mendel's principles of inheritance?
    11·1 answer
  • Tryptophan synthase is one of the enzymes synthesized from the trp mRNA. In wildâtype E. coli, the trp mRNA has a short halfâlif
    8·1 answer
  • Which of the following does not describe neuroglia cells?
    11·1 answer
  • What is the relationship between respiration and cellular respiration?​
    14·1 answer
  • Need help pls due <br> Pls help
    15·2 answers
  • If there is a double bond between what in the fatty acid chain, when it is said to be what?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!