State one way a complete blockage at location X would affect the reproductive process ? Please answer !!

Answer:

Photosynthesis is important to living organisms because:

Explanation:

Photosynthesis is commonly called the process "by which plants produce their own food," however, this is not the only function of this process, since, in addition to absorbing carbon dioxide from the environment (which living beings we expel through respiration), it releases oxygen into the environment which is essential for our subsistence as it is the element that our body requires and that we acquire through respiration.

Answer:

[tex]1000[/tex] cubic centimeters

Explanation:

Given -

Width of the book is equal to [tex]10[/tex] cm

Length of the book is two times the width of the book

Which means length is equal to

[tex]2 * 10\\= 20[/tex] cm

Height of the book is half of the width of the book

Which means height is equal to

[tex]0.5 * 10\\= 5[/tex] cm

Volume of the book is equal to the product of length, width and height

[tex]= 10 * 20* 5\\= 1000[/tex] cubic centimeters

The volume of the book is 1000 cm³.

To find the volume of the book, we need to multiply the width, length, and height. The width is given as 10 cm. The length is 2 times the width, which is 20 cm. The height is half of the width, which is 5 cm.

Therefore, the volume of the book is 10 cm * 20 cm * 5 cm = 1000 cm³.

Answer:

Increasing government funding of research would be the answer. hope it helps.

Most likely to increase the number of discoveries scientists can

make Eliminating government funding of research.

Government funding is the backbone for new research and discoveries in any country. Without government funding, the number of discoveries and technology will decline drastically because research requires lots of money which every private organization may not able to provide.

America spends more than 2.7% of its GDP on research and development and is one of the most leading countries in a group of countries doing discoveries and inventions.  

Therefore eliminating government funding of research most likely to decrease the number of discoveries scientists can make.

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Answer: 1/16.

Explanation:

Mendel explains the concept of dominance, laws of independent assortment and the laws of segregation by working on the plant Pisum sativum. Mendel is known as the father of genetics.

The dihybrid cross includes the two cross at a time. The round and yellow seeds has been crossed with the wrinkled and green seeds. By crossing the probability of obtaining the green and wrinkled seeds is 1/16. The sparate cross of round and wrinkled seeds, yellow and green seeds - the probability of gettting the recessive trait is 1/4. The combined probability is 1/4 × 1/4 = 1/16.

Thus, the answer is 1/16.

An order is subdivided into several families.

In biological classification, the hierarchy of classification goes from broadest to most specific, with the order being a higher taxonomic rank than a family. The taxonomic hierarchy, commonly used in biology and ecology, follows this order: Domain, Kingdom, Phylum, Class, Order, Family, Genus, and Species.

An order is a rank or category that includes one or more related families. It groups together organisms that share some common characteristics but are more closely related to each other than to members of other orders. Within an order, the families share certain similarities, but they also have enough differences to warrant separate classification.

For example, let's consider the order Carnivora, which includes animals like cats, dogs, and bears. Within the order Carnivora, there are several families, such as Felidae (cats), Canidae (dogs), Ursidae (bears), and others. Each family represents a more specific group of related species within the broader order Carnivora.

Taxonomic classification is essential for organizing the vast diversity of life on Earth and understanding the evolutionary relationships between different groups of organisms. It allows scientists to study and categorize species based on shared characteristics and evolutionary history. Subdividing orders into families is just one step in this systematic approach to classifying and understanding the rich tapestry of life on our planet.

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Answer:

I would say that its they are descendant of a common ancestor. DNA shows that our species and chimpanzees diverged from a common ancestor species that lived between 8 and 6 million years ago.

Explanation:

Answer:

D

Explanation:

Just took the test ;)

The letter A represents spindle in the diagram. Therefore, option (D) is correct.

The mitotic spindle or achromatic mitotic apparatus of a cell is a bipolar assemblage of microtubules that is inflated in the center.

The achromatic spindle, meiotic spindle, or mitotic spindle is a set of microtubules that flow from centrioles during cell division, from chromosome centromeres to pole centrioles. The centrosome (animal cell) or microtubule organising center (plant cell) produces them.

During metaphase, all chromosomes are placed on the equatorial plane of the dividing cell, and during anaphase, each of the two chromatids in which a chromosome is divided is propelled to one of the two poles of the cell by microtubules. The mitotic or achromatic spindle microtubules are anchored in chromosome centromeres by proteinaceous leaves called kinetochores.

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Answer:

ATCCATTGA

Explanation:

Answer:

ATCCATTGA

Explanation:

As we know that DNA consists of complementary bases.

As per the pairing rule of DNA -

Adenine pair up with Thymine

Guanine pair up with Cytosine

Hence, A = T

and C= G

Now if replica is formed of any base sequence, then it must have complementary bases.

Thus, the replica of TAGGTAACT would be ATCCATTGA

The answer is:

The balanced equation is:

[tex]4Fe+3O_2=2Fe_{2}O_{3}[/tex]

Finding a balanced equation of a reaction means making equal the number of atoms for both reactants and products sides, according to the conservation mass law, the mass is always conserved, so, we need to make both quantities of atoms/molecules match.

So, we are given the following reaction:

[tex]Fe+O_2=Fe_{2}O_{3}[/tex]

For the reactants, we have 1 molecule of Fe and 2 of O

For the  products, we have 2 molecules of Fe and 3 of O

So, balancing the Oxygen, we have:

[tex]Fe+3*O_2=Fe_{2}O_{3}[/tex]

[tex]Fe+3O_2=Fe_{2}O_{3}[/tex]

Now, there are 6 atoms of oxygen in the reactant, let's multiply the product by 2 in order to make both sides match, so:

[tex]Fe+3O_2=2*(Fe_{2}O_{3})[/tex]

[tex]Fe+3O_2=2(Fe_{2}O_{3})[/tex]

Now, we can see that there are 6 atoms of Oxygen in both sides, but there are 4  atoms of Fe in the products and just 1 atom in the reactants, so, we need to multiply the Fe by 4.

So, balancing the Iron (Fe) we have:

[tex]4*Fe+3O_2=2(Fe_{2}O_{3})[/tex]

[tex]4Fe+3O_2=2Fe_{2}O_{3}[/tex]

Hence, we can see that we now have the same number of atoms on both sides, we have:

[tex]Fe_{reactants}=4\\O_{reactants}=6\\Fe_{products}=4\\O_{products}=6[/tex]

Therefore, the equation is balanced.

[tex]4Fe+3O_2=2Fe_{2}O_{3}[/tex]

Have a nice day!

Answer:

C. nitrogen

Explanation:

Nitrogen is changed by bacteria into different forms.

The role of carbon dioxide in the flow of energy through an ecosystem. Carbon dioxide is absorbed by producers and used to make sugars Strike Reset

carbon dioxide is the union of One carbon atom and two oxygen atoms by forming a chemical compound,  can be found in the atmosphere.

It is present as gaseous form in room temperature, carbon dioxide is released when human and animals exhale which can be taken  by autotropic plants to make food by the process of  photosynthesis.

It is a greenhouse gas present in very low concentrations in the Earth’s atmosphere, emitted from hydrocarbon fuels like burning of wood, coal; The fossil fuel  released when Carbon reacts with oxygen to form carbon dioxide and water vapor.

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Answer:

The Devonian Period occurred from 416 million to 358 million years ago. It was the fourth period of the Paleozoic Era. It was preceded by the Silurian Period and followed by the Carboniferous Period. It is often known as the “Age of Fishes,” although significant events also happened in the evolution of plants, the first insects and other animals.

Answer:

The correct answer is option A: "photosynthesis".

Explanation:

Photosynthesis is the process by producers, such as plants and some bacteria, at which they produce glucose from carbon dioxide and water using sunlight as fountain of energy. Oxygen is a byproduct of photosynthesis, which is used by aerobic organisms to perform cellular respiration. The formula herein included represents the process of photosynthesis, since the combination of carbon dioxide (CO2) and water (H20), produces glucose (C6H1206) and oxygen (02).

Answer:

250 years

Explanation:

The Atlantic Ocean is not static, but instead it is very active, and it is actually spreading from its central part. In its central part, this ocean has a mid-ocean ridge. This basically means that there is constant formation of new crust from the magma that comes out, and the old crust is pushed sideways as the new one is formed. On an annual level, the mid-ocean ridge is spreading out by an estimated 0.02 meters, thus that is how much the Atlantic Ocean is spreading out each year. In order to get to the result as to how many years are needed for the Atlantic Ocean to spread 500 cm, we just need to multiply the annual spreading with the number of cm in question:

0.02 x 500 =250

Thus we get a result of 250, meaning that in 250 years the Atlantic Ocean will spread out 500 cm in total.

Answer:

200 years.

Explanation:

The Atlantic Ocean widens by 2.5 centimeters every year. So,

[tex]\frac{2.5 cm}{1 year}[/tex] (2.5 cm/1 year) = [tex]\frac{500 cm}{x year}[/tex] (500 cm/ x year)

Cross-multiply to solve for x:

x(2.5) = (1) (500)

x = 500 ÷ 2.5

x = 200 years.

It will take 200 years for the Atlantic Ocean to grow by 500 centimeters.

A gamete is a haploid cell is produced by meiosis.

Sperm refers to the male gametes found in the human reproductive system, while ova or eggs refer to the female gametes found in the reproductive system.

These are the reproductive cells that are produced as a result of the meiosis process.

Thus, we can conclude that option A is correct.

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Biodiversity is crucial to the continued evolution of life on Earth for several key reasons:

1. Genetic Diversity: Biodiversity encompasses the genetic variation within species. This genetic diversity is the raw material for evolution, allowing species to adapt to changing environmental conditions. Without a wide range of genetic traits, species may not be able to survive in the face of environmental stressors such as climate change, diseases, or habitat loss.

2. Species Interactions: The variety of species within an ecosystem contributes to a complex web of interactions, including predation, competition, pollination, and symbiosis. These interactions can drive natural selection and lead to the evolution of new traits and species. The loss of biodiversity can simplify these interactions, potentially slowing down or altering the course of evolution.

3. Ecosystem Resilience and Functioning: Biodiversity contributes to the resilience of ecosystems, enabling them to withstand shocks and stresses. A diverse ecosystem can recover more quickly from disturbances and maintain functioning, which in turn supports the continued evolution of its component species.

4. Adaptation and Speciation: A diverse gene pool and a variety of species increase the chances of adaptation to new or changing environments. This can lead to speciation, where new species evolve to fill ecological niches. The more diverse the pool of organisms, the greater the potential for new species to arise.

5. Ecosystem Services: Biodiversity provides essential ecosystem services, such as pollination, water purification, and nutrient cycling, which are vital for the survival of many species, including humans. The continued evolution of life depends on these services, which are underpinned by a rich tapestry of biodiversity.

6. Biological Innovations: Biodiversity is a source of biological innovations that can inspire human innovations in fields such as medicine, agriculture, and technology. These innovations can, in turn, influence the trajectory of evolution by altering the selective pressures on organisms.

7. Cultural and Aesthetic Value: Biodiversity enriches human life culturally and aesthetically, influencing the way societies value and protect nature. This cultural connection can translate into conservation efforts that preserve evolutionary processes.

In summary, biodiversity is not just a measure of the health of ecosystems but also a driver of evolutionary change. It provides the necessary conditions for natural selection to operate, ensuring that life on Earth continues to evolve and adapt to an ever-changing world. The conservation of biodiversity is therefore essential for the continued evolution of life in all its forms.

Answer: the nucleous

Explanation:

The organelle that stores most of a cell's DNA is the nucleus.

The nucleus is a membrane-bound organelle found in eukaryotic cells, and it serves as the control center of the cell. Within the nucleus, the genetic material, which is in the form of DNA (deoxyribonucleic acid), is organized into structures called chromosomes. These chromosomes contain the genes that carry the instructions for various cellular processes and traits.

The DNA in the nucleus is responsible for the transmission of genetic information from one generation to the next and plays a crucial role in protein synthesis and cellular functioning. The nucleus also regulates the expression of genes and controls the replication and transcription of DNA.

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Answer:

it gets hotter on the surface

Explanation:

The sun emits electromagnetic energy which falls on earth in the form of radiation. The energy is emitted as rays and travels through space at the speed of light. ... When the sun emits more energy than normal, there is a little higher end of temperature experienced on the surface of earth

Answer: it’s b

Explanation:

Answer:

ATP

Explanation:

ATP is a product of the first stage of photosynthesis.

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Answer: C. They have vascular tissue such as xylem and phloem and reproduce with spores.

Explanation: This is the correct answer for Pennfoster.

Answer:

The answer is C.

Explanation:

Mosses are the category of plants that do not have vascular tissue or seeds. Ferns do not have seeds but do have vascular tissues. Angiosperms and gymnosperms have vascular tissue and seeds. Seedless vascular plants, which include club mosses, horsetails, and ferns, have vascular tissues. These tissues allow fluids to travel through the plant. Xylem is a specialized plant tissue that carries water from the roots throughout the rest of the plant, and phloem carries nutrients and sugars. You can see these tissues in the cross-section tissues of a vascular plant shown below. Although ferns have vascular tissue, they still reproduce using spores, and not seeds, following the alternation of generations.

Answer:

Immune System

Explanation:

Antibodies are produced by white blood cells called B cells ( B lymphocytes ) and they develop from stem cells in the bone marrow. B cells are activated when an antigen is present.

An ecosystem is like a machine that cycles matter by using:

captured energy.

hope this helps!

Answer:

river

Explanation:

it is smaller than the width of a lake

The correct answer is D. River

Explanation:

Rivers are one of the most common ecosystems. A river is characterized by flowing water in which biotic factors (animals, plants, bacteria, etc.) and abiotic factors (rocks, water, minerals) interact. Also, they cross major ecosystems such as forests or rainforests.

Moreover, rivers are unique because they contain fresh rather than salt water as in the ocean, and they are always flowing while in a marsh, swamp or lake the water does not flow. This suggests the ecosystem is the photograph is a river because in this the water flows and as a result of this, there is a strong current which is possible in a river but not in a lake, marsh or swamp.

Answer:

Food web

Explanation:

A series of connections of food chain in an ecosystem is called a Food web.

Hope this helps!

Answer:because of the amount of movement of tectonic plates along the area

Explanation:

The Ring of Fire, also referred to as the Circum-Pacific Belt, is a path along the Pacific Ocean characterized by active volcanoes and frequent earthquakes. Its length is approximately 40,000 kilometers (24,900 miles). It traces boundaries between several tectonic plates—including the Pacific, Juan de Fuca, Cocos, Indian-Australian, Nazca, North American, and Philippine Plates.

Seventy-five percent of Earth’s volcanoes—more than 450 volcanoes—are located along the Ring of Fire. Ninety percent of Earth’s earthquakes occur along its path, including the planet’s most violent and dramatic seismic events.

The abundance of volcanoes and earthquakes along the Ring of Fire is caused by the amount of movement of tectonic plates in the area. Along much of the Ring of Fire, plates overlap at convergent boundaries called subduction zones. That is, the plate that is underneath is pushed down, or subducted, by the plate above. As rock is subducted, it melts and becomes magma. The abundance of magma so near to Earth’s surface gives rise to conditions ripe for volcanic activity. A significant exception is the border between the Pacific and North American Plates. This stretch of the Ring of Fire is a transform boundary, where plates move sideways past one another. This type of boundary generates a large number of earthquakes as tension in Earth’s crust builds up and is released.

Answer:

the answer is C

Explanation:

I think the answer is too many nuclear explosions in reactors . (D) Nuclear energy is made this way, how can it be a problem?

A, B, and C are for sure problems with an increase in use of nuclear energy.

I hope this helps! :)

Answer: The cost of building safe nuclear facilities .

Explanation:

The nuclear energy is the harnessed in a nuclear power plant. In which the continuous nuclear fusion and fission reactions over a heavy metal takes place in controlled conditions of a nuclear reactor. The radiations and thermal energy produced in the reaction can be harmful for the surrounding environment. The leakage of radiations can be harmful as they can cause explosion in air and deadly mutation in living beings. The waste generated after the process is radioactive in nature which can also cause mutations. Although the nuclear energy is an alternate source of energy but it can be hazardous for the surrounding environment.

Among the options given, The cost of building safe nuclear facilities . is not a problem associated with the use of nuclear energy. As the generation of nuclear energy as the financial crises can be overcome but the loss of lives and environmental disasters caused by the nuclear radiations cannot be overcome.

Answer:

A. One of several possible versions of a gene, which each produce a different phenotype

Explanation:

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