The Roberts family have had a large family garden for several years. Every autumn, after the first frost, they pull up the dead plants
and cover the garden rows with black plastic. When it is spring and planting time, they plant seeds though holes they have poked in
the plastic. Why do the Roberts use the plastic covering?
A)
The black plastic keeps the weeds from growing in the bare soil.
B)
The black plastic keeps the soil warm so the seeds will grow in the spring,
The black plastic helps the organisms that live in the soil survive the
winter
D)
The garden space will be covered with grass and animals will graze in the
area.

\(\huge\purple{Hi!}\)

the answer is d.pacific ocean is the largest ocean in the world it is also the world's deepest ocean.

Option d is correct. Pacific Ocean is the largest ocean in the world.

The Pacific Ocean, A body of seawater that stretches from the Antarctic region in the south towards the Arctic Circle in the north and is sandwiched between Asia and Australia on the west and South and North America on the east. It covers roughly one-third of the earth's surface and is arguably the largest of the world's oceans. Its total area, excluding neighbouring seas, is estimated 63,800,000 square miles (165,250,000 square kilometres), which is twice the size of the Atlantic Ocean and larger than the entire land area of the world. It has a mean depth of 14,040 feet (4,280 m). The western Pacific is known for its numerous outlying seas.

Learn more about Oceans;

https://brainly.com/question/16237714

Answer:

Conclusion. Spirogyra is monophyletic, incorporating the former genus Sirogonium. Genetic diversity and genetic distances within Spirogyra exceed the diversity and distances found in other Zygnematophyceaen genera.

Explanation:

Answer:

have a great day : )

Explanation:

The passage is not found here but two or more animals are connected to each other due to trophic relationships, which maintain the ecosystem homeostasis.

The expression 'ecosystem homeostasis' makes reference to the overall state of equilibrium of an ecosystem.

In conclusion, the passage is not found here but two or more animals are connected to each other due to trophic relationships, which maintain the ecosystem homeostasis.

Learn more on ecosystem homeostasis here:

https://brainly.com/question/27254748

#SPJ2

The most prominent ultrastructural feature of a plasma cell actively engaged in constitutive secretion of immunoglobulin is an abundance of smooth endoplasmic reticulum, which is responsible for the synthesis and folding of immunoglobulins prior to their secretion in the form of secretory granules.

Plasma cells are characterized by the presence of an abundance of smooth endoplasmic reticulum (ER) in their cytoplasm. The smooth ER is responsible for the synthesis and folding of immunoglobulins prior to their secretion in the form of secretory granules.

The process of immunoglobulin synthesis and secretion in plasma cells is complex and involves several steps. First, the plasma cell synthesizes the immunoglobulin in the rough endoplasmic reticulum (RER), where it undergoes a series of modifications, including glycosylation and disulfide bond formation, that are necessary for its proper folding and function.

To know more about plasma cells - https://brainly.com/question/28170750

#SPJ11

Transpiration provides the major force for the movement of water and solutes from roots to leaves. Transpiration is the process by which water is lost from the leaves of a plant through small openings called stomata. As water evaporates from the leaves, it creates a negative pressure or tension in the xylem (the water-conducting tissue in plants).

This negative pressure, also known as tension or suction, pulls water and dissolved minerals from the roots up through the stem and into the leaves.

Transpiration is driven by several factors, including temperature, humidity, wind, and light intensity. When environmental conditions are favorable, transpiration rates can be very high, allowing plants to transport large amounts of water and minerals from the roots to the leaves. The movement of water and solutes through the xylem is known as the transpiration stream.

The transpiration stream plays a crucial role in plant growth and survival, as it delivers the water and nutrients needed for photosynthesis, growth, and other metabolic processes. Any factor that interferes with transpiration, such as drought, can have serious consequences for plant growth and productivity.

To know more about Transpiration

brainly.com/question/13891305

#SPJ11

About the efficiency of energy transfer in an ecosystem: Option (c) is true: The efficiency of energy transfer in an ecosystem is usually less than 20%

Energy transfer in an ecosystem is an important process that enables the organisms in the food chain to gain energy.  In an ecosystem, energy transfer takes place from one organism to another through different levels of the food chain. The first level consists of primary producers like green plants, which utilize solar energy to manufacture their food by photosynthesis. Then, primary consumers like herbivores feed on plants, and secondary consumers like carnivores feed on primary consumers, and so on.The energy transfer in an ecosystem occurs in a one-way process, from the sun to the producers, and then from the producers to consumers, and finally to the decomposers.

However, it has been observed that the efficiency of energy transfer in an ecosystem is usually less than 20%. This means that only 10-20% of the energy that is stored in the food consumed by an organism is available for the next trophic level. The remaining energy is lost as heat, used up for metabolic processes, or expelled as waste. Energy transfer efficiency depends on the energy requirements of an organism and its position in the food chain. The energy requirements of organisms at the higher trophic levels are greater than those at the lower trophic levels, but the energy transfer efficiency is lower at the higher trophic levels due to the loss of energy through the food chain.

Thus the efficiency of energy transfer in an ecosystem is usually less than 20%.

Learn more about ecosystem https://brainly.com/question/842527

#SPJ11

Answer:

True.

Explanation:

True, ATP is chemical energy that all cells use.

Hope this helps!

Answer: True

Explanation:

ATP is a source of energy for cells

Answer:

D. Golgi

Explanation:

The golgi creats the lysosomes which break down foods

The step of  respiration which produces the most energy for the organism is the electron transport chain.

This is referred to a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.

Electron Transport System generates 32 or 34 ATP molecules and is the cell's main source of energy. Thus, the electron transport system produces the most ATP in cellular respiration.

Read more about Respiration here https://brainly.com/question/22673336

#SPJ1

Answer:

Mitosis results in two diploid daughter cells that have the same genetic makeup.

Meiosis results in four haploid cells that are all genetically different from each other.

Some physicians advise patients with a bladder infection to drink a lot of cranberry juice because it contains chemicals that can help kill viruses and bacteria.

These chemicals prevent the microorganisms from attaching to the bladder wall, which reduces the risk of infection. In addition to this, cranberry juice also increases the volume of fluid in the bladder, which can cause bacterial cells to burst as they absorb the excess fluid. This, in turn, can help flush out the bacteria and reduce the severity of the infection.

Furthermore, cranberry juice makes the urine more acidic, which helps to decrease the rate at which microorganisms can grow and reproduce. This means that the bacteria are less likely to multiply and cause further damage to the bladder. Additionally, cranberry juice has been shown to increase the efficiency of urine production by the kidneys, which can further help to flush out harmful bacteria.

In summary, the chemicals in cranberry juice can help kill bacteria and prevent them from attaching to the bladder wall, while also increasing urine production and making the urine more acidic, which can reduce the risk of infection and help to treat an existing bladder infection.

To know more about bacteriaclick here:

https://brainly.com/question/15490180

#SPJ11

During swallowing, the epiglottis prevents choking by folding down to close off the larynx and trachea.

The process of swallowing, also known as deglutition, involves a coordinated effort between multiple structures in the mouth, pharynx, and esophagus. The epiglottis plays a critical role in this process by acting as a protective flap that prevents food and liquids from entering the respiratory system.

When you swallow, the tongue pushes the bolus of food or liquid towards the pharynx. As the bolus moves, the muscles in the pharynx contract, and the larynx elevates. This movement causes the epiglottis to fold down and cover the opening of the larynx, which leads to the trachea. By doing this, the epiglottis effectively blocks the entry of food or liquid into the respiratory system, preventing choking and aspiration.

Once the epiglottis has sealed off the larynx and trachea, the bolus can safely pass through the pharynx and into the esophagus, which is the muscular tube connecting the pharynx to the stomach. From there, peristaltic movements of the esophageal muscles propel the bolus towards the stomach for further digestion. Thus, the epiglottis plays a crucial role in the safe and efficient process of swallowing.

Therefore, the correct answer is "larynx and trachea."

To learn more about Epiglottis visit: https://brainly.com/question/13252472

#SPJ11

Krebs Cycle only i have to keep going

Answer:

Its D

Explanation:

Answer:

Electrons and protons.

Answer:

I believe it's photon.

Explanation:

The wave-particle theory.

I hope it's right! If not, I tried, so so sorry.

Answer:

your awnser is C

Explanation:

Hope that helps :)

Answer:

help... i need somebody.. help.... not just anybody

Explanation:

help

The correct option is b. Food is not present in plasma. Plasma is a pale yellow fluid that makes up about 55% of total blood volume. It is primarily composed of water, but it also contains proteins, electrolytes, gases, hormones, and other nutrients.

In blood, plasma is the primary medium for transporting nutrients to tissues and removing waste products from the body. It also serves as a buffer against changes in pH and helps maintain proper blood pressure. Some of the substances found in plasma include hormones, electrolytes, gases such as oxygen and carbon dioxide, and nutrients such as glucose and amino acids.However, food is not found in plasma.

When food is consumed, it is digested and absorbed into the bloodstream in the form of nutrients such as glucose, amino acids, and fatty acids. These nutrients are transported in the blood to cells throughout the body, but they are not present in plasma as food.

To know more about Plasma visit:-

https://brainly.com/question/31510915

#SPJ11

The electron transport complex IV would get stuck in a reduced state. Numerous protein complexes that operate in unison make up the electron transport chain.The mitochondria in the body burn oxygen to produce energy. For cells to continue growing in the absence of oxygen or nutrition, their energy source must be promptly changed.

Researchers have now established that mitochondria undergo reprogramming when nutrients and oxygen are scarce. Numerous protein complexes that operate in unison make up the electron transport chain. The last protein complex in this series of chained reactions is the electron transport complex IV. It is made up of two heme component groups and three ionic copper groups. The ionic copper and heme units continue to be joined by oxygen molecules. This fourth electron transport complex and the oxygen it contains are reduced by the electrons arriving from the first three protein complexes. After the oxygen and proton have joined forces, water molecules are created. The redox process is completed with the aid of water production, and the reduced protein complex transforms back into its oxidised state.

Learn more about electron transport

https://brainly.com/question/13975046

#SPJ4

The part of the cell membrane is labeled C is the lipid bilayer.

Therefore option C is correct.

The cell membrane is described as a biological membrane that separates and protects the interior of all cells from the outside environment.

The most important biomolecules that form the cell membrane are said to be lipids like the phospholipids and cholesterol, proteins, and carbohydrates.

We can conclude according to the fluid mosaic model that proteins are essential components of the cell membrane that float in the lipid bilayer.  

Learn more about the cell membrane at: https://brainly.com/question/1768729

#SPJ1

I think it's lights-dependent reaction

Explanation:

Because the light dependent reaction use light energy to make two molecules needed for the next stage of photosynthesis: the energy storage molecule ATP and the reduced electron carrier nadph in Plants, the light reaction take place in the thylakoid membranes of organelles has called chloroplast.

Answer:D. replacement of worn out cells

Explanation:

the main purpose of mitosis is Replacement of cells - particularly cells that have been worn out, damaged, or old cells

Answer:A-

provides more food to feed a growing population.

Explanation:just did the question

Answer:

Through photosynthesis, certain organisms convert solar energy (sunlight) into chemical energy, which is then used to build carbohydrate molecules. The energy used to hold these molecules together is released when an organism breaks down food. Cells then use this energy to perform work, such as cellular respiration.

Answer:

Soil nutrient loss

Algae blooms

Pollution of water ways

Explanation:

Soil nutrient loss - a major concern as when soil erodes, this results in nutrient run off. Heavy rains can "wash away" essential nutrients within the soil therefore reducing the fertility of the land.

Algae blooms - when nutrients run off soil as a result of soil erosion they can leech into nearby fresh stream and even into salt water marine environments. This large increase of nutrients results in algae thriving and forming a layer across the top of the water. This reduces the oxygen and sunlight available to other marine plants and essentially suffocates plant and animal species.

Pollution of water ways - The sediment of soil that is eroded makes its way into fresh water ways can not only "bury" plant species and reduce biodiversity but it also reduces the water quality. It can introduce pathogens to the water from liverstock farming as well as introducing pesticides that may be harmful to wildlife.

Answer:

A) Homologous chromosomes line up at the cell equator.

B) Crossing over can occur during synapsis.

G) The chromosome number is reduced from 2n to n.

The 6 Kingdoms of life:

1. Archaebacteria

2. Eubacteria

3. Protista

4. Fungi

5. Plantae

6. Animalia

Answer:

the answer to your question is Homologous

Multiple social issues, such as cruelty to animals and spousal abuse, can be concerning simultaneously, and each deserves attention and action.

Concerns about cruelty to animals and spousal abuse are both valid and important issues that deserve attention and action. It is possible to be concerned about multiple social issues simultaneously. Each issue has its own unique implications and consequences for the well-being and rights of the individuals involved.

Promoting awareness, education, and support for addressing both animal cruelty and spousal abuse can contribute to building a more compassionate and just society that addresses the needs of all beings, human and non-human alike. It is essential to foster empathy, promote understanding, and work toward solutions for all forms of injustice and suffering.

Learn more about social issues at

https://brainly.com/question/28231876

#SPJ4