When two experiments are identical except for one variable, the experiment is called a(n) _____.

The given statement is True.  

In mineralogy, fracture refers to the shape and texture of the surface of the rock produced when a mineral is fractured. Minerals generally exhibit a highly distinguishing fracture, making it the main character used in their determination.  

Fracture varies from cleavage, in cleavage clean splitting along the plane of cleavage takes place in the mineral's crystal structure, which is in contrast to more usual breakage.  

Answer: A

Explanation:

Answer: to create the soil

Explanation:

An ecological succession can be define as a series of changes that occur in the biotic community with respect to the changes that occur in the abiotic or non living factors such as soil, temperature, water, natural calamity and others  in a particular time duration until the ecosystem attains stability.

A primary succession is an initial stage of succession which occurs in a land which was not previously occupied by any living species and the physical environment is not favorable to support the life initially. A pioneer species is the one which makes the environment suitable for the survival of other species. For example Lichens, they secrete acids over the rocks which causes their disintegration into particles of soil. The accumulation of soil facilitates the growth of the plants.

Answer: I think the answer is Prokaryotic cells asexually reproduce using binary fission, while eukaryotic cells use mitosis to divide.

Explanation:

Final answer:

The evidence that all cells have the same DNA is that they all originate from a single cell created by fertilization, which then divides by mitosis. Differentiation enables these genetically identical cells to develop unique functions and structures by selectively expressing certain genes.(Option A)

Explanation:

The evidence that best supports the conclusion that all cells have the same DNA is A. Fertilization produces one cell, and that cell divides by mitosis. Mitosis is a process that ensures each new cell will have an identical set of chromosomes and, therefore, the same DNA as the parent cell. During development, all cells in a multicellular organism originate from this single fertilized egg, resulting in each cell containing the same genetic material. However, differentiation plays a crucial role in how these cells with identical DNA can develop into various types with distinct structures and functions.

Differentiation refers to the process by which cells become specialized in size, shape, metabolic activity, and function. Although each cell has the complete set of DNA, like actors reading different parts of the same script, they only 'read' or express the DNA sections relevant to their specific function. This selective expression of genes leads to the diverse cell types that form tissues such as skin, muscle, bone, and nerves.

To carry out an experiment to determine why two groups of ivy plants grow at different rates, the student should follow the steps of the scientific process.

To carry out an experiment to determine why two groups of ivy plants grow at different rates, the student should follow the steps of the scientific process:

In this case, the student should set up the experiment by placing groups of ivy plants in the cool room and the warm room, controlling for other variables such as light, water, and soil. The student should measure and record the growth of the plants in both rooms over a specific period of time. By comparing the growth rates, the student can determine if temperature is indeed the factor affecting the difference in growth rates.

Answer:

The correct answer is option - B. proteins.

Explanation:

The muscle contraction needs two protein that is essential in contraction. The muscle has motor protein myosin and spherical protein actin that are slide on one other in contraction that helps in muscle to contraction.

In the contraction, these protein filaments help to change in length and shape of the muscles. Thin filaments involve actin and thick filament in is myosin filaments.

Thus, the correct answer is option - b. proteins.

Answer: Option (3)

Explanation: Zones of crustal activity is also known as the tectonic activities. This is the region, where plates undergoes convergent, divergent or transform movement.

These volcanoes are formed when plates undergoes collision, that means convergent plate boundary, where the denser plate gets subducted beneath the less denser plate.

And the data collected by studying about the different volcanoes, helped in  the determining that the volcanoes are mostly located at the zone where crustal activities constantly goes on.

Thus, the correct answer is option (3).

The correct answer is (c) Produces short-term energy for the cells when oxygen is not available

The anaerobic fermentation is needed by the body when there is depletion in oxygen level. When the body is in normal conditions, sufficient amount of oxygen is present then aerobic respiration takes place. When there is a condition that the requirement of oxygen is not fulfilled then body shifts to anaerobic fermentation for a short period of time, then it returns back to the normal conditions.

The correct answer is Oxygen

The fossil evidence linking modern-day whales to their land mammal ancestors supports the concept of gradualism due to the small genetic and physical changes observed over time. Therefore the correct answer is option c.

Fossil evidence of several species linking modern-day whales to their ancient land mammal ancestors provides evidence for gradualism. This is because it shows a sequence of forms connecting modern species with their ancestors through small genetic and physical changes over a long period of time. The presence of homologous structures like the whale flipper, which shares a similar morphology to appendages of birds and mammals, supports this idea. Over time, the bones' shapes and sizes evolved, leading to the adaptation of the whales from land-dwelling creatures to life in the ocean.

The basic steps of the water cycle include evaporation and transpiration, condensation, precipitation, infiltration and groundwater flow, and surface runoff, driven by the sun's energy and involving state changes of water.

The water cycle is a critical continuous process in Earth's ecosystem, describing the movement of water molecules through various states and locations.

This cycle is driven by the sun's energy, which heats up water in oceans and surface waters, initiating evaporation and sublimation. These processes result in water vapor entering the atmosphere. The next phase involves condensation, where water vapor forms clouds composed of liquid or frozen droplets.

Following condensation is precipitation such as rain or snow, returning water back to the Earth's surface. Some of this water will seep into the ground (infiltration), while other portions may return to the atmosphere or contribute to surface runoff, eventually reaching rivers, lakes, and oceans.

More specifically, the basic steps in the water cycle include:

In Farmer Brown's experiment, the correct match between experimental variables and activities is as follows:

c. independent variable; farmer brown tests only antibiotic x in even incremental dosages.

What is the correct match between experimental variables and activities in farmer brown's experiment?

Independent Variable: This is the variable that the researcher manipulates or changes in an experiment. In this case, the independent variable is the dosage of antibiotics, and Farmer Brown is testing only antibiotic x in even incremental dosages.

Dependent Variable: This is the variable that is measured or observed as the outcome of the experiment. The statement doesn't explicitly mention what is being measured, but it's likely to be related to weight gain in cattle since the hypothesis talks about weight gain.

Control Variable: This is a variable that is kept constant to ensure that any observed effects are due to the independent variable and not other factors. The statement doesn't provide information about controlling other variables, but it's implied that cattle receive the same hay, water, and living quarters, which would serve as control variables.

Hypothesis: The hypothesis is a statement that predicts the expected outcome of the experiment. In this case, the statement "farmer brown observes that dosage with 500 mg of antibiotics produces the most weight gain" represents a hypothesis.

Therefore, option c is the correct match based on the information provided.

Final answer:

The correct match for Farmer Brown's experiment regarding the increasingly large doses of antibiotics on cattle size is the independent variable; different doses of antibiotics administered to cattle groups. The dependent variable is the weight or size of the cattle, and control variables are the consistent elements like hay, water, and living conditions.

Explanation:

In any given experiment, it is crucial to understand the different types of variables involved. The independent variable is the one that is changed by the experimenter to test its effect on the dependent variable, which is the variable being measured.

Thus, in Farmer Brown's experiment, the correct match between experimental variables and activities would be independent variable; different groups of cattle are given different doses of antibiotics. This is because the doses of antibiotics given to the cattle are the factor that Farmer Brown changes to see if it has an effect on the size of the beef cattle, which would be the dependent variable.

The control variable in this experiment would be all the other conditions that are kept constant, such as the type of hay, the amount of water, and the living quarters. If Farmer Brown observes that a dosage of 500 mg of antibiotics produces the most weight gain, it could be the formation of a hypothesis based on the initial results, which would need to be tested further with controlled experiments.

The information that DNA provides to each cell's organelles is: instructions for each specific function.

DNA means deoxyribonucleic acid and it is the biological molecule that stores genetic information in living cells.

DNA molecules stores genetic information in the nucleotide sequence that makes up its molecule. This information is transferred to RNA.

The RNA translates to protein molecules, which is responsible for varying functions in the cell.

Therefore, the information that DNA provides to each cell's organelles is: instructions for each specific function.

Learn more about DNA molecule at: https://brainly.com/question/264225

The right is C your welcome !!!!!!!!!!!!!!!!!!!!!!!!

Answer:

Number of cat with normal tail – 1

Number of cat with no or short tail – 2

Explanation:

Please see the attachment

Answer:

Multicellular organism.

Explanation:

Cell is the basic structural and functional unit of all the living organism as all the functions are performed by the cells. Two main types of organism are unicellular and multicellular organism.

Turtles belong to the class reptilia. Turtles are multicellular organism as they are made up of different types off the cell. The organ system level of organization are found in turtles.

Thus, the correct answer is multicellular.