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
Andreyy89
3 years ago
12

A student sets up an experiment and wants to see if different amounts of fertilizer affect the growth of basil. They place 4 sep

arate plants in 4 same-sized pots. Each pot receives the same soil, the same amount of light, and the same amount of water. They add no fertilizer to Pot 1, 10g of fertilizer to Pot 2, 20g to Pot 3, and 50g to Pot 4. What are the fixed variables in this experiment?
POT 1
soil, light, water, type of plant
amount of fertilizer
Biology
1 answer:
PilotLPTM [1.2K]3 years ago
6 0

Answer:

pot size, soil, amount of light, type of plant, amount of water.

Explanation:

The fixed variables would be the pot size, soil, amount of light, type of plant, and amount of water.

There are three variables in a research experiment:

  • fixed variables
  • independent variables
  • dependent variables

<em>The fixed variables in an experiment are those variables whose values are kept constant throughout the course of the experiment. They are also referred to as controlled variables.</em>

<em>Independent variables are the actual variables being measured during an experiment.</em>

<em>The dependent variables are the variables being tested during an experiment.</em>

The fixed variables are kept constant so as to be able to measure the effects that the independent variable will produce on the dependent variables during an experiment.

<u>Hence, in this case, the fixed variables would be  the pot size, soil, amount of light, type of plant, and amount of water; the independent variable would be amount of fertilizer and the dependent variable would be a growth-determining factor.</u>

You might be interested in
Regarding horizontal gene transfer between bacteria by conjugation, transduction, or transformation:
Mice21 [21]

Answer:

Distinct mechanisms are used by bacteria in order to transfer the gene from one bacteria to another. These are transformation, transduction, and conjugation. Transformation refers to the process of uptaking extracellular DNA by the recipient of the other bacterial cell.  

In the process of transduction, the donor DNA gets packed within the bacteriophage and infects the recipient bacteria. In the process of conjugation, the genetic substance is transferred by the donor bacteria to the recipient via the process of mating.  

a. Of all these three mechanisms, transformation is the process that exhibits a broad range and can be easily performed in the lab. As in the process, there is a slight chance of rejection or failure due to direct compatibility between the bacteria.  

b. While the narrowest broad range is found in the process of conjugation, as in order to transfer the genetic substance between the two bacterial species, there should be a similarity between the two species so that they can mate and exchange the genetic substance in between them.  

6 0
3 years ago
Considering that the mature sporophytes of true mosses get their nutrition from the gametophytes on which they grow, and conside
Elan Coil [88]

The true statement about the relationship between true moss sporophytes and gametophytes is: (d) Sporophytes are parasites of gametophytes.

Sporophyte is the part of the life cycle in plants where the plants are asexual and in diploid phase of their life. The plants produce spores during this stage. In vascular plants sporophyte is the dominant stage of life.

Parasites are the organisms that live inside or outside an organism and depend upon that organism for their food as well. Apart from extracting food, the parasites also provide some kind of harm to the host they live in. Sporophytes are called parasites because they directly developed from the fertilized egg in archegonia.

The given question is incomplete, the complete question is:

Considering that the mature sporophytes of true mosses get their nutrition from the gametophytes on which they grow, and considering these generations as individual plants, what is true of the relationship between true moss sporophytes and gametophytes?

a. Sporophytes are endosymbionts of gametophytes.

b. Sporophytes are mutualists of gametophytes.

c. Sporophytes are commensalist of gametophytes.

d. Sporophytes are parasites of gametophytes.

To know more about sporophyte, here

brainly.com/question/14704196

#SPJ4

6 0
1 year ago
Many motor and sensory functions are primarily controlled by the:
GalinKa [24]
<span>Many of the sensory and motor functions are controlled by the central nervous system and the brain. An example of this would be grabbing a hot pot from the stove. Your brain sends a signal to your hand to tell it to grab the pot. When you grab it your sensory nerves detect that the pot is hot and is burning your hand. The signal it sends back to the brain is one that there is pain and to release the pot.</span>
4 0
3 years ago
FORENSICS SCIENCE WORK
NemiM [27]

Answer:

B.

Hope it Help

Explanation:

Brainliest please

7 0
2 years ago
Read 2 more answers
Which characteristic is shared by extrusions, intrusions, and faults?
Bond [772]

Answer:

O All are igneous rocks. happy to help just please give brainly

Explanation:

please.

7 0
3 years ago
Read 2 more answers
Other questions:
  • Many diseases are caused by viruses. Which of the following correctly describes viruses
    12·1 answer
  • An orphaned female lion joins a band of lions. The addition of her genes to their gene pool is ___.
    15·2 answers
  • How does the Corolla effect impact ocean currents in the northern and southern hemisphere
    5·2 answers
  • How is water evaporated around the world
    10·1 answer
  • Pests have always been a nuisance for farmers. The use of pesticides dramatically improved the success of crops; however, it has
    5·2 answers
  • The Global Youth Tobacco Survey asks youth to fill in the answers to several questions about their tobacco use. In this survey c
    6·1 answer
  • Why do evergreen plants have needles rather than leaves?
    11·2 answers
  • In order to speed and focus your search for infromation online you should ____?
    14·2 answers
  • What is a trait called when it is controlled by more than one gene? O A. Adaptive O B. Disruptive O C. Polygenic O D. Flowing​
    8·1 answer
  • Due to a recent drought, a farmer has lost quite a bit of soil on his fields because:
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!