Hypothesis: The soil in the flat part of the field has less fertility than the soil on the small hill.
Experiment:
The experiment will be carried out in a greenhouse, to promote a controlled environment and equal to all plants used in the treatment.
In this experiment, the influence of the difference in fertility of the soil samples, in the flat part of the land and in the most inclined part, in the germination and growth of corn plants will be tested.
Corn seeds of the same species will be selected. All seeds will be sanitized and will go through the same dormancy breaking process, so that all of them have their germination stimulated.
Vessels with a capacity of 30 kilos will be caught. These pots will be cleaned, sterilized and filled with the same amount of soil collected in the field and with two corn seeds. It will be used 10 pots with soil that was collected in the flat part of the land, 10 pots with soil from the sloping part of the land and 10 pots with fertilized substrate containing high levels of fertility.
The pots will be placed in a greenhouse and will be irrigated with distilled water, to avoid contamination by possible substances in the water.
The pots will remain in the greenhouse for 100 days, where the behavior of seeds and plants in each of them will be observed and noted. After this period, a comparison will be made between the vessels of each treatment, assessing the differences between them and reaching the conclusion whether the hypothesis is true or false.
Hypothesis: The soil in the flat part of the field has less fertility than the soil on the small hill.
Experiment:
The experiment will be carried out in a greenhouse , to promote a controlled environment and equal to all plants used in the treatment.
Procedure:
In this experiment, the influence of the difference in fertility of the soil samples, in the flat part of the land and in the most inclined part, in the germination and growth of corn plants will be tested.Corn seeds of the same species will be selected. We will choose containers with more capacity. These pots will be cleaned, sterilized and filled with the same amount of soil collected in the field and with two corn seeds. It will be used 10 pots with soil that was collected in the flat part of the land, 10 pots with soil from the sloping part of the land and 10 pots with fertilized substrate containing high levels of fertility.These pots will then be placed in a greenhouse and will be irrigated with distilled water, to avoid contamination by possible substances in the water.The pots will remain in the greenhouse for 100 days, where the behavior of seeds and plants in each of them will be observed and noted.Thus after this experiment we can conclude that whether hypothesis matches with the experiment.
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What's wrong with this ecological pyramid?
Answer:
The sun has an arrow leading to the decomposer, the sun should be at the bottom of the pyramid
Explanation:
The sun is the ultimate source of energy that provides energy to the producers. The producers use the light energy to synthesize the chemical compound. The energy from the producers is transferred to the primary consumers and their energy is transferred to the next levels. The sun cannot be decomposed by decomposer so the arrow from the sun leading towards the decomposer is not right.
QUESTION 1
You want to start a Word document. Which of the following is the BEST first step?
d. How many prokaryotic cells would fit on a meter stick?
e. How many eukaryotic cells would fit on a meter stick?
Answer:
D
Explanation:
DDDDDDDDDDDDDDDDDD
Which of the following is part of the biochemical cycle (A) Carbon tapped on the ocean floor. (B) Helium gas escaping into space (C) Lava flowing from an active volcano (D) Solar radiation traveling to earth
Which distance is the greatest
A. The distance across the Milky Way galaxy.
B. The distance to the nearest star
C. The distance across the solar system.
D. The distance to the nearest galaxy.
Answer:
i am gonna say d or c
Explanation:
The answer is d.
Give me brainiest please.
Which are the four steps of mitosis?
Explanation:
everything but interphase
Answer:
prophase, metaphase, anaphase, and telophase
Explanation:
These phases occur in strict sequential order and cytokines- the process of dividing the cell contents to make two new cells.
Hope this helps!
What charge do the hydrogen atoms have in a molecule of water?
Answer:
Positive Charge
Hydrogen Atoms has Positive Charge because the electrons spend more time in the Oxygen than the Hydrogens.
Carbohydrate Summary:Word Bank: Starch, poly, glucose, amylose, monosaccharides, Fructose, sucrose, maltose,disaccharide, polysaccharide, dehydration synthesis, monosaccharidesThe monomer of carbohydrates are called1.__________________ . Examples are2.________________ and3. __________________. When we bond together 2 monosaccharidestogether by 4. __________________ ___________________ we get what’s called a5. ______________________. Examples of disaccharides are 6. __________________ and7. ___________________. When many8. _________________ are connectedby9._____________________ we call it a 10._________________________. The prefix11.________________ refers to many. Examples of polysaccharides include 12._______________________ in plants and 13. _______________________ in animals.
Answer:
Explanation:
1.The monomers of carbohydrates are called monosaccharides. Examples are glucose and fructose. When we bond together 2 monosaccharides together by dehydration synthesis we get what’s called a disaccharide. Examples of disaccharides are sucrose and maltose. When many monosaccharides are connected by glycosidic linkages we call it a polysaccharide. The prefix poly refers to many. Examples of polysaccharides include starch in plants and amylose in animals.
Review what you know about the Activation Energy Graph for enzyme reactivity:
summarize in 3 statements in the space to the right of the graph.
Pls answer ill give brainliest if its on top of your account tag
how the edges of the Pacific plate and the North American plate converge.
Answer:
Explanation:
the North American Plate meets the Pacific Plate in a convergent boundary, meaning the plates are coming together. the Pacific Plate sinks under the North American Plate in a process called subduction
what is the pressure that builds up inside of plant cells due to osmosis and the strength of the cell wall called?
Which sequence of events is a logical order of a scientific investigation? experiment → hypothesis → analysis of data → conclusion hypothesis → experiment → conclusion → analysis of data analysis of data → conclusion → experiment → hypothesis hypothesis → experiment → analysis of data → conclusion
Answer: The answer would be Hypothesis, Experiment, Analysis of data, then lastly conclusion.
Answer:
It is the 2 one.
Explanation:
All organic compounds contain the element
Answer:
your answer is carbon molecules
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please mark as the brainliest (ㆁωㆁ)
Answer:
carbon atoms
hope this helps babes:)
As he concludes his talk, Snelgrove says, “And as the oceans go, so shall we.” Explain what he means by this statement.
Answer:
Well it only makes sense that he meant that since humans use the oceans for so much once they are gone, humans will die not too long after
Explanation:
describe the role of humans in environmental stability and change
What is actually expanding in our universe
Answer:
When scientists talk about the expanding universe, they mean that it has been growing ever since its beginning with the Big Bang. ... In other words, the universe has no center; everything is moving away from everything else.Part A: Predict the phenotype that will be expressed by a chicken that is heterozygous (IBIW) for feather color. Part B: Suppose a solid white hen (IWIW) mates with a solid black rooster (IBIB). Predict the percentage of their offspring that will express a co-dominant phenotype. In your answer, be sure to explain the reasoning behind your prediction. Part C: Describe how co-dominance is different from incomplete dominance. Type your responses to parts A, B, and C in the box below.
Answer:
4#458/56+485
Explanation:
so much love ...
What is the term for changes in the internal or external environment that cause a response?
A. stimuli
B. signals
C. messages
D. nerves
Will give brainlest for quick and correct answer
Answer:
A
Explanation:
It is a detectable change in the physical or chemical structure of an organism's internal or external environment. Although stimuli commonly cause the body to respond, it is the CNS that finally determines whether a signal causes a reaction or not.
Answer:
Stimuli
Explanation:
In physiology, a stimulus (plural stimuli or stimuluses) is a detectable change in the physical or chemical structure of an organism's internal or external environment. ... Although stimuli commonly cause the body to respond, it is the CNS that finally determines whether a signal causes a reaction or not.
Secondary succession can happen after primary succession or independently of primary succession.
Please select the best answer from the choices provided
ОТ
OF
Answer:
it is true
Explanation:
i took the quiz
False. Secondary succession does not happen after primary succession or independently of primary succession.
What is secondary succession?Secondary succession is the process of ecological succession that occurs after a disturbance has disrupted an existing ecosystem, but left some soil and seed sources intact. Unlike primary succession, which starts with bare rock or soil with no living organisms, secondary succession begins in areas where there was already an established community of plants and animals.
Examples of disturbances that can lead to secondary succession include forest fires, landslides, and farming practices that disturb the soil. The process of secondary succession involves the gradual recolonization of the area by plants and animals, with different species replacing one another as the ecosystem gradually returns to a stable state.
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Please Help!!! Explain how the Periodic Table of elements is organized. What are the patterns? Trends?
Answer:
They are the alkali metals, alkaline earth metals, transition metals, other metals, metalloids, non-metals, halogens, noble gases and rare earth elements.
The chemical elements in the periodic table are organized from left to right and from top to bottom based on the atomic number.
How is the periodic table of elements is organized?The periodic table of elements also known as the periodic table is an organized alignment of the 118 elements known at present. The arrangement of chemical elements is done from left to right and from top to bottom on the basis of the enhancing atomic number, or the number of protons in the nucleus of an atom that usually coincides with the enhancing atomic mass.
On the periodic table, the horizontal rows are known as periods, in which each period number demonstrates the number of orbitals for the elements in that row.
Thus, the periodic table of elements is organized from left to right and from top to bottom based on the atomic number.
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Question 3 (1 point)
Life has always existed on Earth.
True
O False
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Which sentence describes what happens to plastic that absorbs energy from
sunlight?
A. It becomes brittle.
B. It shrinks.
C. It darkens in color.
D. It becomes stronger.
Answer: A
Explanation: just took the test :)
The plastic that absorbs energy from sunlight becomes shrink. The correct option is B.
What are harmful effects of plastic?Endocrine disrupting substances (EDCs) are among them; they have been connected to a number of diseases such as infertility, obesity, diabetes, prostate cancer, and breast cancer.
In addition to these problems, chemicals have also been related to issues of neurodevelopment, growth, and reproduction.
Chlorinated plastic has the potential to leak dangerous chemicals into the soil around it. These chemicals can then seep into nearby water sources, including groundwater, and the ecosystem.
The species that consume the water may experience a variety of potentially dangerous impacts as a result.
The plastic is exposed to sunlight, which oxidises it and converts the polymers into oligomers, extremely soluble organic molecules.
Plastic breaks down into smaller molecules and absorbs UV radiation from the sun, thus how quickly it decomposes depends on how much of it is exposed to sunshine. This process is known as photodegradation in science.
Thus, the correct option is B.
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Explain the energy transformation process needed to create an electromagnet .
Which statement describes the major role of lipids within a cell?
A. They cause DNA to replicate
B. They move RNA in the cytoplasm.
C. They catalyze chemical reactions in the cell cytoplasm.
D. They are the main structural components of membranes.
Answer:
I think d
Explanation:
Lipids perform three primary biological functions within the body: they serve as structural components of cell membranes, function as energy storehouses, and function as important signaling molecules. The three main types of lipids are triacylglycerols (also called triglycerides), phospholipids, and sterols.
PLEASE HELP How do active transport and facilitated diffusion differ? a one uses help from proteins and the other does not b one requires energy and the other does not c active transport moves molecules against a concentration gradient and facilitated diffusion does not d both b & c
Answer:
b and c
Explanation:
because active transport requires energy from respiration yet diffusion doesn't. Additionally, active transport molecules move against a conc gradient but diffusion molecules move down a conc gradient.
an example of how water moves from
the biotic part to the abiotic part of an
ecosystem.
One of the important examples of how water moves from the biotic part to the abiotic part of the ecosystem includes transpiration of water from the surface of the leaves of plant.
What is Transpiration?Transpiration is the loss of water in the form of vapors from the surface of leaves of plant. Transpiration of water takes place from the stomata of plant cells.
Stomata are the specialized cells present on the surface of leaves which are covered by the guard cells that regulates the opening and closing of stomata and hence the movement of water from the leaf surface.
In transpiration, water from plant, a biotic part of ecosystem is lost in the form of vapors to the atmosphere, i.e., an abiotic component of ecosystem. The rate of transpiration is regulated by factors such as sunlight, concentration of ions like sodium and potassium, presence of starch.
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Organisms do not adapt as a result of competition for resources.
Please select the best answer from the choices provided
OT
OF
members of the animal and plant kingdoms are eukaryotic and multicellular. What is one way you can differentiate between a plant cell and an animal cell
Answer:
Plant cells have cell walls.
Explanation:
While both plant cells and animal cells have cell membranes, only plant cells have a cell wall, the hard outer shell of the cell.
Answer:
plant cells have cell walls and chlorophyll
Explanation:
animals do not have cell walls or chlorophyll so if the cell has either those two things, you know it's a plant cell.
Which list below correctly shows the levels of organization in an organism from left to right? organs, tissues, systems, cells, organisms tissues, cells, systems, organs, organisms organisms, cells, tissues, organs, systems cells, tissues, organs, systems, organism
Answer:
Cell-tissue-organ-organ system and finally an organism
Explanation:
The list that correctly shows the levels of organization in an organism is from left to right is :
Cell --> Tissue ---> Organ ----> System -- > Organism
The cell is the basic unit of life, a group of similar cells performing similar functions make up a Tissue. While tissues perform more specialized functions when compared to cells.
Tissues make up an organ while a system like Digestive system , respiratory system, reproductive system are made up of a group of organs performing similar functions. The collection of all systems make up an organism.
Hence we can conclude that the list that correctly shows the levels of organization in an organism is from left to right is Cell --> Tissue ---> Organ ----> System -- > Organism
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Which acid and base react in the formation of salt sodium chloride? (A. hydrochloric acid and sodium hydroxide (B. sodium carbonate and chlorine (C. sodium hydroxide and sodium chloride
Answer:
The answer is a