Over a long period of time, running water in a river erodes the riverbed. this erosion causes the river to

Answer:

Humans often use pesticides to destroy undesirable organisms that live in flower gardens, such as insects, weeds, or fungi. The use of such chemicals will reduce biodiversity. Humans also plant many of the same plants in gardens, which reduces biodiversity.

Humans perform different functions in the flower garden that alter the biotic elements of the garden, which include the usage of most of the pesticides that affect the soil and the microorganisms present in it, the planting of non native species, etc.

Human interference in the garden has many negative impacts, such as the introduction of non-native plant species to a garden, which can lead to the replacement of native plants, excess watering and fertilizing lead to an overgrowth of certain species and create an imbalance that changes the naturalness of the garden.

Hence, humans perform different functions in the flower garden that alter the biotic elements of the garden, which include the usage of most of the pesticides that affect the soil and the microorganisms present in it, the planting of non native species, etc.

Learn more about human interference here.

https://brainly.com/question/10243724

#SPJ2

The expansion of the global food supply was Luther Burbank's most significant contribution to society. Burbank devoted his life to advancing and enhancing different plant species through methods of selective breeding.

Numerous high-yielding and disease-resistant plant types, including those for fruits, vegetables, and cereals, were developed as a result of his work. Burbank made a huge contribution to raising agricultural output and expanding access to wholesome food around the world by creating these enhanced crop types. His efforts were vital in providing for expanding populations and in addressing the issue of food scarcity. Burbank's contribution to boosting the global food supply so continues to have the most social impact.

learn more about Luther Burbank's here:

https://brainly.com/question/30755646

#SPJ11

Answer:

Malignant cells can invade and destroy nearby tissue and spread to other parts of the body.

Answer:

(of a disease) very virulent or infectious. a

Explanation:

(of a disease) very virulent or infectious.

Thus, according to Charles Darwin's many conceptions of natural when each species tries to generate a greater number of offspring in order to ensure the reproductive survival of the species.

Charles Darwin wrote Original Species, the first scientific work to discuss natural selection. Therefore, if they have as many offspring as possible, at least some of them will live. And when the reproductive population is large and there are few natural resources available, competition for those few resources begins. Nature forbids offspring growth that exceeds carrying capacity. As a result, reproductive fitness improves.

learn more about reproductive here:

https://brainly.com/question/2579665

#SPJ4

Answer: D

Explanation:

The cell theory states that all living things are made up of 1 or more cells not 3

The meaning of viable as it is used in the excerpt is suitable.

Thus, the correct option is suitable (B).

To find the meaning of viable, we must know what kind of the word. From the sentence "Many of the seeds, and later cuttings, were successful and grew into viable seedlings", we know that the word viable is adjective because viable explains the noun 'seedling'. The sentence connected with biology term.

In biology, we will find the explanation about a viable seed. А viаble seed is one which is cаpаble of germinаtion under suitаble conditions. The definition includes dormаnt but viаble seeds, in which cаse the dormаncy must be broken before viаbility cаn be meаsured by germinаtion. From this definition, we can conclude that the meaning of viable is suitable.

For more information about viable refer to the link:

https://brainly.com/question/1085942

#SPJ1

Answer:

B. Suitable

Hope this helps!

Explanation:

The cell doubles its DNA content during DNA replication, which takes place during interphase. The cell would therefore contain 7.4 picograms of DNA in its nucleus by the conclusion of interphase.

The quantity of DNA does not vary during prophase, but it does condense and create visible chromosomes. Therefore, the 7.4 picograms of DNA in the nucleus during interphase would continue to be there.

The duplicated chromosomes condense and become observable under a microscope during prophase. The centromere is a structure that holds the sister chromatids, the two copies of each chromosome, together. During prophase, the quantity of DNA in the nucleus is the same as it was following replication in interphase. As a result, the beginning cell would still contain 7.4 picograms of DNA in its nucleus during prophase if it had 7.4 picograms of DNA prior to replication during interphase.

To learn more about DNA replication here

https://brainly.com/question/30111562

#SPJ4

Between 2000 and 2013, fatalities from measles decreased by approximately 75%.

Measles may be defined as an acute and highly contagious viral disease that is commonly caused by a single-stranded RNA virus known as measles virus.

Fatalities caused by measles in 2000 = 582,800

Fatalities caused by measles in 2013 = 145,700

Total differnce = 437100.

Now, the percentage = 437100/582800 ×100 = 75%.

Therefore, between 2000 and 2013, fatalities from measles decreased by approximately 75%.

To learn more about Measles, refer to the link:

https://brainly.com/question/881116

#SPJ1

Answer: approximately 75%.

Explanation: Fatalities caused by measles in 2000 = 582,800

Fatalities caused by measles in 2013 = 145,700

Total differnce = 437100.

Now, the percentage = 437100/582800 ×100 = 75%.

If a developing T cell in the thymus recognizes a self-antigen bound to an MHC molecule with its T-cell receptor (TCR), that T cell is eliminated by apoptosis.

T-cells are a type of white blood cell that is essential for the immune system. They are responsible for recognizing and attacking foreign invaders such as viruses and bacteria. T-cells are created in the bone marrow and mature in the thymus gland. T-cells have several important functions in the immune system. They are responsible for recognizing and attacking foreign invaders such as viruses and bacteria.

T-cells also help to activate other immune cells such as B-cells, which produce antibodies that can help to fight off infections. If a developing T cell in the thymus recognizes a self-antigen bound to an MHC molecule with its T-cell receptor (TCR), that T cell is eliminated by apoptosis. This is a critical process in the development of the immune system as it helps to ensure that T-cells do not attack healthy cells in the body.

This process of eliminating T-cells that recognize self-antigens is known as negative selection. It is an important step in the maturation of T-cells and is necessary to ensure that the immune system can differentiate between self and non-self molecules.

You can learn more about thymus at: brainly.com/question/12864099

#SPJ11

Annual rings in mature woody dicot stems are composed of light and dark sub-rings due to the different rates of growth during the spring and summer seasons.

The annual rings in woody dicot stems are formed by the activity of the vascular cambium, which is a layer of cells that divides and produces new cells towards the inside and outside of the stem. During the spring, when there is plenty of water and nutrients available, the cambium produces larger and thinner-walled cells, resulting in the light-colored sub-ring.

In the summer, when water and nutrient availability decreases, the cambium produces smaller and thicker-walled cells, resulting in the darker sub-ring. This variation in growth rates is due to changes in environmental conditions, and the resulting pattern of light and dark sub-rings can be used to determine the age and growth history of a tree or woody plant.

Learn more about cambium here:

https://brainly.com/question/29485864

#SPJ11

Answer:

​Mitochondria

Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions.

No every part of an organism have the same chance of becoming fossilized . Hard parts of the body preserve because they have biologically deposited minerals.

Fossilization can be defined as the physical, chemical, and biological processes that lead to the preservation of plant and animal remains over time.

Fossils include the organisms remains, such as plant or animal tissues, shells, teeth or bones, they also include traces of life such as foot prints. Fossil are generally formed After an animal dies, their soft parts decompose leaving the hard parts, like the skeleton, behind. This becomes buried by small particles of rock called sediment.

To learn more about Fossils  , here

brainly.com/question/6867325

#SPJ1

Answer:

it is called a Cline

Explanation:

As cells reach the limit of their surface area to volume ratio, they must employ certain strategies in order to survive and continue to grow.

The primary strategy that cells use to survive and continue to grow when they reach the limit of their surface area to volume ratio is to divide. Cell division is the process of one cell splitting into two identical daughter cells. This process is essential for cellular growth, as it allows the cell to divide its surface area and volume, thus lowering its surface area to volume ratio. This allows the daughter cells to exchange material with their environment more efficiently than the original cell did.

Another way that cells can increase their surface area to volume ratio is by forming protrusions from their surface. These protrusions, also known as microvilli, are small folds of the cell membrane that increase the cell’s total surface area. This allows the cell to exchange material with its environment more efficiently, and thus allow it to continue to grow.

Cells can also increase their surface area to volume ratio by forming internal structures known as vacuoles. Vacuoles are small, membrane-bound structures that are filled with various substances, including water and enzymes. These substances can help the cell exchange materials with its environment more efficiently, thus allowing it to continue to grow.

For more information on cells  , visit :

https://brainly.com/question/30046049

#SPJ4

Answer:

Your answer is D. Proteins

Explanation:

Carbon is found in A,B, and C.

Answer:

dna and rna

Explanation:

DNA is a double-stranded molecule, while RNA is a single-stranded molecule. ... DNA and RNA perform different functions in humans. DNA is responsible for storing and transferring genetic information, while RNA directly codes for amino acids and acts as a messenger between DNA and ribosomes to make proteins.Feb 2, 2020

Answer:

Supersaturated

Explanation:

Edge

The terminology which best describes the solution before the crystal was added is: supersaturated.

Dissolution can be defined as the process which involves dissolving (dissociating) a solute in either solid, liquid or gaseous phase into fragmented particles by a solvent in order to form a solution.

A supersaturated solution refers to a solution that contains more solute than the equilibrium amount. Thus, it typically occurs when a solution of a given sample is in dynamic equilibrium with the dissolved solute.

Read more on solutions here: https://brainly.com/question/23946616

Answer:

The experiment used water (H2O), methane (CH4), ammonia (NH3), and hydrogen (H2).

Explanation:

Antibiotic therapy for Eva's infection is not working. It's possible that some germs are resistant to antibiotics.

Antibiotics are drugs that treat bacterial illnesses in people and animals by either eradicating the bacteria or making it more difficult for such bacteria to grow and reproduce. A germ is a bacteria. They are present both within and outside of our bodies as well as in the environment.

As soon as you start taking antibiotics, they start to work. It's possible that it will take you two to three days to feel better. After receiving antibiotics, recovery times can vary. Moreover, it depends on the kind of infection you're trying to cure.

To know more about antibiotics visit:

https://brainly.com/question/10868637

#SPJ4

The strength of a feedback loop is the sum of all the link strengths in the loop.

A feedback loop's overall strength is the sum of the strengths of each of its individual parts. As a result, the impacts are multiplicative rather than additive. The feedback is much reduced in a chain of strong connections with one incredibly weak link. The feedback loop is broken and the feedback is lost if one link breaks.

A biological phenomenon known as a feedback loop occurs when a system's output either amplifies the system (positive feedback) or suppresses the system (negative feedback) (negative feedback). Feedback loops are essential for maintaining balance in living systems.

To know more about strength of feedback loop visit:

https://brainly.com/question/11312580

#SPJ9

So far, I feel like I have accomplished explaining the relationship between adaptations and natural selection.

Here correct option is B.

Natural selection is a process by which organisms with certain beneficial traits become more common in a population over time. These beneficial traits are called adaptations, and they can be physical or behavioral.

Adaptations can be anything from a thicker fur for colder climates to a longer beak for gathering food. Natural selection occurs when these adaptations give individuals an advantage when competing for resources, allowing them to survive and reproduce more effectively than those without the same adaptations.

As a result, the frequency of these beneficial traits increases in the population over time, leading to evolution.

Know more about Natural selection here

https://brainly.com/question/2725702#

#SPJ11

4. A human patient represents a host system for bacterial infections, where the human body provides an environment for bacterial growth and proliferation.

1. Microorganisms in cultures do not exhibit constant exponential growth due to limited nutrient availability, accumulation of waste products, and unfavorable environmental conditions. To extend the lifespan of a microbial culture, steps such as providing fresh nutrient media, subculturing, and optimizing growth conditions can be taken.

2. Lab cultures, including those used in biotechnology like E. coli for insulin production, are maintained through aseptic techniques and controlled growth conditions. E. coli cultures are subcultured in fresh media containing necessary nutrients and incubated under monitored conditions to ensure optimal growth.

3. A closed system exhibits a constant growth pattern, where microbial culture is contained without exchange of nutrients or waste products with the external environment.

5. Observing clear bacterial colonies on the growth media plate after incubation does not guarantee successful culture of all bacteria from the gut sample. Some bacteria may have specific nutritional requirements not provided in the medium, and the incubation conditions may not be suitable for all bacteria.

Learn more on bacteria colonies here https://brainly.com/question/29251291

#SPJ1

Answer:

If you're talking about the cell: The nucleus contains the cell's chromosones

If you're talking about the atom: The nucleus contains protons and neutrons.

Explanation:

Have a good day :)

The brainstem develops first, followed by the cerebellum, limbic system, and cerebral cortex.

What is human-brain evolution?

The human-brain evolution has resulted in some amazing modifications. The simplest brains are nothing more than cell clusters gathered in a group near the organism's front. These cells process data from sensory organs that are also found in the head.

The brain has changed over time. The sophistication and size of vertebrate creatures' brains have increased. Of all living things, humans have the most complex and greatest brain in relation to their body size. The brain has developed into specialized areas with unique structures and functions. For instance, the cerebral cortex is involved in memory, language, and consciousness, whereas the cerebellum is engaged in movement and coordination.

By knowing the nature of the human-brain could possibly provide some insight into conditions like depression and autism.

To know more about human brain evolution, check out:

https://brainly.com/question/680933

#SPJ4

Answer:

oxygen

Explanation:

The products of photosynthesis are glucose and oxygen.

Answer:

Oxygen

Explanation:

Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product.

All - growth, exchange of gases, excretion, reproduction, and death (option d).

All living organisms undergo various life processes to maintain their existence. Let's analyze each option to determine which life processes are carried out by an organism's cells:

A. Only growth and exchange of gases: While cells are involved in growth and exchange of gases, they also participate in other life processes. This option is incomplete.

B. Only growth, exchange of gases, and reproduction: Cells play a crucial role in reproduction as they are responsible for the production of gametes and the process of cell division. However, there are additional life processes that cells also undertake.

C. Only growth, exchange of gases, excretion, and reproduction: This option includes excretion in addition to growth, exchange of gases, and reproduction. Cells participate in excretion by eliminating waste materials. However, there is one more life process that cells experience.

D. All - growth, exchange of gases, excretion, reproduction, and death: This option encompasses all the mentioned life processes. Cells are involved in growth as they undergo cell division and increase in number. They exchange gases through processes like respiration. Cells excrete waste products. They participate in reproduction through the formation of gametes and cell division. Lastly, cells also experience death as they have a limited lifespan.

Therefore, the correct answer is D. All - growth, exchange of gases, excretion, reproduction, and death.

For more such questions on reproduction, click on:

https://brainly.com/question/461781

#SPJ8

Answer:

Many diseases are a result of homeostatic imbalance, an inability of the body to restore a functional, stable internal environment.

Answer:

I believe the answers are aa, 75%, 25%, 50%, and 25%