To design a controlled experiment to measure the effect of falling leaves on net primary production in a pond, we will need to identify two neighboring ponds in a forest. We will need to select two ponds that are similar in size, depth, and water quality. We will then mark the boundaries of each pond to ensure that the experiment is conducted within the designated area.
Next, we will introduce a known quantity of leaves into one pond and keep the other pond as a control. We will monitor the net primary production in each pond over a period of time, perhaps a few weeks or a month. We will measure net primary production by taking measurements of the dissolved oxygen content in the water before and after the experiment.
To ensure that the experiment is controlled, we will need to replicate it multiple times in different seasons to account for any variations due to weather, sunlight, and other factors. We will also need to keep track of other environmental factors such as water temperature, pH, and nutrient levels, to ensure that the observed changes in net primary production are due to the introduction of leaves and not other variables. By conducting a well-designed experiment, we can gain insights into the impact of falling leaves on net primary production in a pond and better understand the ecology of forest ponds.
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How does salinity vary with evaporation?
Question 4 options:
When water evaporates, it leaves salt behind, increasing its salinity.
When water evaporates, it takes salt with it, increasing its salinity.
When water evaporates, it takes salt with it, decreasing its salinity.
When water evaporates, it leaves salt behind, decreasing its salinity.
Brainly inexplicably is preventing my response from being posted in text form (despite the absence of inappropriate words and links). I've thus provided my response as an attached image. Please let me know if there are any issues viewing or accessing it.
Answer:
A. When water evaporates, it leaves salt behind, increasing its salinity.
Explanation:
when water evaporates it only evaporates the water and leaves the salt behind thus the salinity increases since there is less water to salt. hope this helps! :D
if a microscope has a eyepiece lens with a power of 25X and an objective lens with a power of 50X, what is the microscope's total magnification power?
Answer:
1250
Explanation:
Describe all the tissues and cell types that are found in a leaf and describe how these individual parts work together to accomplish processes of photosynthesis.
Explanation:
While individual plant species are unique, all share a common structure: a plant body consisting of stems, roots, and leaves. They all transport water, minerals, and sugars produced through photosynthesis through the plant body in a similar manner. All plant species also respond to environmental factors, such as light, gravity, competition, temperature, and predation.
please help ::( i wanna pass w good grades
Answer:
It's catabolism I think
Explanation:
Answer:
Catabolism
Explanation:
Catabolism: the breakdown of complex molecules in living organisms to form simpler ones, together with the release of energy; destructive metabolism.
The process by which organisms that are better adapted to their environment survive and reproduce more successfully than less well adapted
organisms do.
A. Artificial Selection
B.Evolution
С.Natural Selection
D.Adaptation
Answer:
C
According to Charles Darwin's theory of evolution by natural selection, organisms that possess heritable traits that enable them to better adapt to their environment compared with other members of their species will be more likely to survive, reproduce, and pass more of their genes on to the next generation.
Explanation:
Answer:
c.natural selection
Explanation:
true or false: the results of pollination are shown inside the punnett square
The evidence Alfred Wegener used for his continental drift hypothesis did not include glacial movement. types of rocks and mountain ranges. oceanic vocanoes. fossilized remains of ancient plants.
Answer:
oceanic vocanoes
Explanation:
The continental drift is an idea that the continents can move. Alfred wegner in his evidence of this phenomenon used the following hypothesis:
Rocks of same age and type formed side by side and these rocks drifted apart to separate continents. Also as continents drifted apart mountain ranges separated.Alfred used movements from ancient glaciers as evidence, Fossils of dead plants and ancient animals also served as evidence. The fossils of these plants and animals were found on land areas that are now far apart. Wegner concluded that the continental drift was what separated the remains of these fossils.All of the above was used as evidence. What was not used as hypothesis by Wegner was oceanic volcanoes
Wegener used fossil evidence to support his continental drift hypothesis. The fossils of these organisms are found on lands that are now far apart. Grooves.
How does Genetic Variation relate to Selection?
Genetic variation is a measure of the genetic differences that exist within a population. Genetic variation is essential for natural selection because natural selection can only increase or decrease frequency of alleles that already exist in the population. Genetic variation is caused by: mutation.
Answer: Genetic variation is important to the processes of natural selection and biological evolution. The genetic variations that arise in a population happen by chance, but the process of natural selection does not. Natural selection is the result of the interactions between genetic variations in a population and the environment.
Consider two individuals that have the following genotypes: CCDd and Ccdd.
Predict the outcomes of a cross for these two individuals. What are the outcomes that could occur in the offspring? Select ALL that
apply.
A)
1/4 of the offspring will be CCdd.
B)
ccdd is not possible as an outcome of this cross,
All of the offspring will show the dominant trait for the allele.
D)
Only half of the offspring will show the dominant trait for the Dallele.
E)
All of the offspring will be heterozygous and will display the dominant
traits
Answer:
A,B,C,D
Explanation:
Since one parent is CC, there is no way to get cc as an outcome from this cross. However, there is also no way that all of the offspring will be CcDd, which is heterozygous for both traits. Therefore, this is the only answer choice that is incorrect.
As per observation about the two individuals that have the following genotypes: CCDd and Ccdd the cross are options: a,b,c,d.
Since one parent is CC, there may be no manner to get cc as an final results from this cross. However, there may be additionally no manner that every one of the offspring could be CcDd, that is impure breed for each traits.
What is genotype ?
Genotype is an individual's series of genes. The time period can also talk to the 2 alleles inherited for a specific gene. The genotype is expressed while the statistics encoded within side the genes' DNA is used to make protein and RNA molecules.
Thus it is clear that all the observations are correct.
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Some species of hover flies resemble wasps in body coloring and shape.
How does this characteristic appearance most likely serve as a useful adaptation to some species of hover flies?
a
They are able to pollinate the same flowers as wasps.
b
They can interbreed with wasps and increase species diversity.
c
They can colonize wasp nests without being detected.
d
They are mistaken for wasps and avoided by predators.
Answer:
D they are mistaken by wasps
The most likely explanation for why some species of hover flies resemble wasps in body coloring and shape is that they are mistaken for wasps and avoided by predators (Option D).
What is adaptation?Adaptation refers to the process of change in an organism's traits or characteristics over time in response to environmental pressures such as competition, predation, or changing resource availability. Adaptations can be physical, physiological, or behavioral, and they can help an organism to better survive and reproduce in its environment. For example, an organism that lives in a dry and arid environment might develop adaptations such as a deep root system to tap into subterranean water sources or a reduction in body size to reduce water loss through respiration.
Adaptations can occur through natural selection, where traits that are advantageous for survival are more likely to be passed on to future generations, or through other mechanisms such as genetic drift or mutation.
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Explain the role that hooved animals, such as cows, play in regenerative farming.
Answer:
I hope this helps
Explanation:
As animals move, their hooves break up the soil, compacting inedible plants and allowing nutrients and sunlight to new plants—essentially speeding up the building of soil organic matter, with crushed leaves and stalks creating a natural mulch. This better equips the soil for germinating seeds.
What's the role that oysters play in keeping the ratio of floating algae to sea floor algae levels of the bay healthy
Answer:
Oysters were keeping the nutrient levels relatively stable in the bay by filtering the nutrient sewage, animal waste, and fertilizer that was running into the bay.
Explanation:
The beginning of modern taxonomy occurred during the:
1500's
Greek civilization
1700's
1800's
Answer:
1700s
Explanation:
Image result for The beginning of modern taxonomy occurred during the:
Modern taxonomy officially began in 1758 with Systema Naturae, the classic work by Carolus Linnaeus
If this helped
making me brainliest will make my day
the question are in the Picture:) Please help me :)
Answer:
Birds
Explanation:
1. Wings
2. Flight feathers and beak
3. For survival purposes
What are some examples of physical evidence that support scientific theories that Earth has evolved over geologic time?
Fossils are examples of physical evidence that support scientific theories that Earth has evolved over geologic time.
What are fossils?Fossils are the remain and traces of plants and animals that are preserved by natural processes.
Fossil shows that the former life was different from the present life.
There are three types of fossils
Replacement
impression
Trace.
Thus, fossils are physical evidence that supports scientific theories.
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Protein are digested and transported by fellow protein. Give vivid examples to support the statement
Answer and Explanation:
The transport and digestion of proteins is done by other proteins called enzymes. An example of this occurs in the biochemical digestion of proteins, where the enzyme pepsin promotes digestion, the breakdown of proteins into smaller pieces, through hydrolysis which is the breakdown of molecules with the use of water. These pieces of the protein are transported to the duodenum where they are digested again by the enzyme enterokinase.
How many alleles does a single individual carry for a trait?
Answer:
somatic cell contains 2 allele for every gene, with one provided by each parent of an organism
2. What are the two main forms of energy? Describe them.
Answer:
Kinetic energy and Potential energy
Explanation:
Thank you
Virtual Lab
Active
Create a dichotomous key.
O
Magnifying Glass
Drag your question here.
Legs
Wings
Antennae
Stinget
Claws
Please help
Answer:
WHAT ARE YOU TRYING TO ASK BRO
Which claim is correct?
Only genes determine our traits
Only dna determines our traits
Both, genes and dna determine our traits
Which statement best describes the term symbolism?
A.
A writer says one thing but means something else.
B.
A writer compares one element to another using the words like or as.
C.
A writer uses an object to represent significant ideas or qualities.
D.
A writer emphasizes an important concept or theme
Answer:
C. a writer uses an object to represent significant ideas or qualities.
Explanation:
C. A WRITER USES AN OBJECT TO REPRESENT SIGNIFICANT IDEAS OR QUALITIES, YAN PO ANG TAMA
During Protein Synthesis, mRNA is transcribed in the
built in the
and proteins are
Answer:
protein cells.
Explanation:
protein cells with natural protein makes this an organic cell
*EXTRA PTS* How much weight is needed for a 10 m high ball to achieve 400 J of potential energy?
Answer:
,Mass of the Body = 10 kg.
Height = 10 m.
Acceleration due to gravity = 9.8 m/s².
Using the Formula,Potential Energy = mgh
= 10 × 9.8 × 10 = 980 J.
(b). Now, By the law of the conservation of the Energy, Total amount of the energy of the system remains constant.
∴ Kinetic Energy before the body reaches the ground is equal to the Potential Energy at the height of 10 m.
∴ Kinetic Energy = 980 J.
(c). Kinetic Energy = 980 J.
Mass of the ball = 10 kg.
∵ K.E. = 1/2 × mv²
∴ 980 = 1/2 × 10 × v²
∴ v² = 980/5
⇒ v² = 196
∴ v = 14 m/s.
3. Yes - At maximum stretch the ball stops. The ball is now 2 meters plus x below the starting point where x is the stretch distance down. The total energy is all potential in the springs and gravitational and is m g (2 + x)
Explanation:
Answer:
The leaf represent the primary organ of photosynthesis
Answer:
True
Explanation:
Explain how the use of genetically engineered
products can affect the economy and society.
genetic engineering might allow parent to 'design' their children before birth are you in favor of this? why or why not?
Answer:
I think it is quite an interesting idea to allow parents to 'design' their children before birth. Because some people have preferences and those preferences are taken very seriously. I wouldn't want to have a baby boy, I would want a baby girl. Although, this could be a waste of money and time because this might be one of the things that are better not to be fixed even if it isn't broken. But, this can also be good, if you desperately need a child with specific features, this can help. Even if I can't seem to find a reason where a child is supposed to have specific features.
Explanation:
The alteration of the natural gene by the tools is called genetic engineering. The application of genetic engineering is to make transgenic animals that give protein-rich products and transgenic plants which are disease-free.
The idea of genetic engineering is quite subjective. some people find it right and some find it wrong. In order to evolve biological science, genetic engineering is important but ethically and morally genetic engineering is not good as we altering nature's work.
Genetic engineering allows a parent to check the genetic disease of the child and help them to cure it but it is ethically wrong if they used it to find the sexual gender of the child.
Hence, genetic engineering is wrong in a limited way.
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Which hazard are we more likely able to predict? Tornado or earthquake. Explain your answer.
Answer:
awsten knight
Explanation:
Drag the tiles to the correct boxes to complete the pairs.
Match the mRNA sequences to their DNA sequences.
Question 3 of 10
What type of chemical weather is caused when rocks sit in a pool of salt water?
Answer:
weathering occurs when rocks sit in a pool of salt water. weathering or eroding
Explanation:
The Chemical Weathering that is caused here is Solution Weathering.
What is Weathering?
Weathering is defined as the breaking down or dissolving of rocks and minerals on the surface of the Earth.
Weathering is a slow and irregular process caused by different factors called agents which are - Water, Ice, Acids, Salts, Temperature.
Weathering along with Erosion constantly keeps on changing the geography of the earth as it lead to change in the landscape of the earth.
What are the types of Weathering?There are three major types
1. Physical Weathering
2.Chemical Weathering
3. Biological Weathering
Physical Weathering:
Physical Weathering is also known as mechanical weathering is the process causing integration without climate change.
The primary process involved in it is Abrasion.
Factors involved are- Temperature, Pressure, Frost
It is prominent in little or no vegetative area such as deserts, mountains
Chemical Weathering:
Chemical Weathering changes rock composition transforming into different chemical reactions when interact with minerals.
This weathering is a gradual and ongoing process as the rock minerology adjust to the environment near the surface.
The most important process involved here is Oxidation and Hydrolysis.
The process is enhanced by water, oxygen, biological agent such as microbial and plant root metabolism acids.
Chemical Weathering occurs faster at higher temperature with warm and humid conditions.
Chemical Weathering is further divided into- Solution, Hydrolysis and Oxidation
Solution Weathering- Removal of rock by acidic rainwater in solution i.e. dissolved CO2 containing rainwater. This process is also known as Carbonation.
Hydrolysis Weathering- Acidic water breakdown of rock producing clay and suitable soils.
Oxidation Weathering- Rock breakdown by oxygen and water giving rusty appearance .
Biological Weathering:
It is the weakening and subsequent breakdowns by plants, animals and microbes of rock.
Growing roots of plants can put pressure on rock and this weathering can also lead to chemical weathering.
Microbial activity breaks down rock minerals by altering chemical composition of the rock making it more weather sensitive.
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Which of the
following are characteristics of
Zygomycota? Check all
that apply.
lack reproduction phase
spores produced in basidia
D spores produced in zygosporangia
important in the food industry
important in the fermentation process
can cause disease to plants
can cause disease to animals
Answer:
3- spores produced in zygosporangia
5- important in the fermentation process
Explanation:
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