Biology College

Organic materials and fertilisers enhance soil texture, enabling it to retain water for longer periods of time, and boost microbial and fungi activity.


How would you conduct your investigation? In your answer, explain your independent and dependent variables.

Answers

Answer 1

Answer:

To conduct an investigation on the effect of organic materials and fertilizers on soil texture, you can follow these steps:

Define the independent and dependent variables:

Independent variable: type of organic material or fertilizer used (e.g. compost, manure, chemical fertilizer)

Dependent variable: soil texture (e.g. water-holding capacity, porosity, bulk density)

Design the experiment:

Choose a representative soil sample and divide it into several equal portions.

Treat each portion with a different organic material or fertilizer.

Control for extraneous variables by maintaining consistent environmental conditions (e.g. temperature, moisture levels) for each soil sample.

Collect and analyze data:

Measure the dependent variable (soil texture) for each soil sample after a set period of time (e.g. after 2 weeks).

Compare the soil texture of the treated samples to the control (untreated) sample.

Use statistical analysis to determine if any significant differences exist between the treatments and the control.

Draw conclusions:

Based on the results of the data analysis, draw conclusions about the effect of different organic materials and fertilizers on soil texture.

Determine if there are any significant differences in soil texture between the treatments and the control.

Answer 2

To conduct the investigation:

identify the independent and dependent variables: the Independent variable is the type of organic material or fertilizer used while the dependent variable is the soil texture Choose a soil sample and divide it into several equal portions and add organic materials to one portion and none to the other portionCarry out the to determine whether the soil samples that had organic materials and fertilizers retained water more than the soil sample that lacked organic materials and fertilizers.

What is an experiment?

An experiment is a technique used to confirm or deny a hypothesis, as well as assess the likelihood or effectiveness of something that has never been tried before.

Experiments show the relationship between the independent and dependent variables.

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Related Questions

can animals communicate ?

Answers

Answer: Animals communicate using signals, which can include visual; auditory, or sound-based; chemical, involving pheromones; or tactile, touch-based, cues. Communication behaviors can help animals find mates, establish dominance, defend territory, coordinate group behavior, and care for young.

There are many different types of animal communication, many of which we do not fully understand. Despite all the years of study, we always find new information about how animals transmit information to each other. Visual communication occurs in almost any animal species with the ability to see. Chemical communication between animals is one of the most important and poorly understood communication methods in the animal kingdom.

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What is the standard deviation of each of the measurements of the nuggets weight from the average

Answers

The average degree of variability in your data set is represented by the standard deviation. It reveals the average deviation of each score from the mean.

What is the standard deviation?

A measure of a data set's variance from the mean is referred to as "standard deviation." While a high standard deviation indicates that the data are more spread, a low standard deviation suggests that the data are clustered around the mean. In statistics, the measurement of variability known as the standard deviation (SD) is frequently utilized. It demonstrates how significantly off the average things vary.

Because it aids in comprehending observations when the data is scattered, standard deviation is significant. The standard deviation of the data will be higher the more evenly dispersed the data.

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How does glaze form?

Answers

Answer:

Answer Below ↓

Explanation:

A glaze is made up of three parts. A flux/melter that lowers the melting point, a refractory/stabilizer that bonds the glaze to the clay, and a glass former like silica. This creates the base and then a stain is added to give the glaze its color. It's a bit like mixing paint and a bit more like a chemistry experiment.

Proteins, nucleic acids, lipids, and carbohydrates are based on which molecule?
O oxygen
O nitrogen
O carbon
O hydrogen

Answers

Answer:

C. Carbon

Explanation:

What are the boundaries of the ecosystem shown in the diagram?

Answers

The boundaries of the ecosystem shown in the diagram represents a body of water in the outer region.

What is an Ecosystem?

This consists of all the organisms and the physical environment with which they interact and are made up of the biotic and abiotic factors.

Boundary of an ecosystem complex of living organisms in areas where one body of water meets another or where one terrestrial ecosystem meets another and in this case it is the body of water which have fishes and other aquatic organisms present.

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Can you feed a chicken the same foods as a pig and why ?

Answers

Answer:

Yes, u can

Explanation:

For everyday food, you can feed your chickens either chicken food (found at feed stores) or pig food. In Alberta, the UFA Hog Grower is the same as the chick starter except the pellets are bigger, and the hog grower contains fewer antibiotics. If you have access to grain then you can feed that to them

Which occurs when the body responds to the environment by maintaining a stable internal environment despite changing external conditions?
spontaneous generation
homeostasis
growth and development
reproduction

Answers

Answer: homeostasis

Explanation: homeostasis is body regulation

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