Name the floral parts which help in
Sexual reproduction of plants.​

The field of study that uses the geographic distribution of extinct and living species to determine patterns of evolution is biogeography.

Biogeography is the study of the distribution of species and ecosystems in geographic space and through geological time. This field of study aims to understand the historical and ecological factors that have influenced the patterns of biodiversity across the planet.

By analyzing the distribution of living and extinct species, biogeographers can identify patterns of evolution, such as the origin of species, migration routes, and the timing of diversification events. Biogeography can also help us understand how historical factors, such as continental drift and climate change, have influenced the distribution of species and ecosystems over time.

know more about biogeography here

https://brainly.com/question/27624142#

#SPJ11

Neuronal cell death during embryonic development of the mammalian brain is a natural process that helps sculpt and refine the developing neural circuitry.

During embryonic development of the mammalian brain, an excessive number of neurons are initially produced through a process called neurogenesis. However, not all of these neurons are necessary for the final structure and function of the brain. Neuronal cell death, also known as apoptosis, plays a crucial role in eliminating surplus neurons and shaping the neural circuitry in a precise and efficient manner.

The process of neuronal cell death is highly regulated and occurs in several stages. Initially, neurons produce an excess of axonal branches and dendritic spines, forming connections with various targets. Through a process called synaptic competition, neurons that establish strong connections with their targets receive survival signals, while those with weaker connections undergo apoptosis. This competition ensures that only the most appropriate connections are maintained.

Additionally, neuronal cell death helps eliminate neurons that are improperly wired or not required for the final circuitry. It contributes to the refinement of neural circuits by removing redundant or non-functional neurons, allowing for more efficient and precise information processing.

Overall, neuronal cell death during embryonic development of the mammalian brain is a vital process that ensures the formation of a functional and well-organized neural network. By eliminating excess or improperly wired neurons, it enables the establishment of precise connections necessary for normal brain function.

Learn more about apoptosis here:

https://brainly.com/question/30837708

#SPJ11

Answer:

Most of us work at least 5 days a week and 8-10 hours a day, some of us work even more than that. ... Even though work is a big part of our time, there is more to life than work. We work so that we can live happier, fulfilled, more engaged lives.

Explanation:

Subsistence use can be helpful to the ecosystem when practiced in a sustainable manner. It relies on traditional ecological knowledge, helps maintain biodiversity, and promotes conservation practices.

Subsistence use often relies on traditional ecological knowledge, which is based on a deep understanding of the local ecosystem and its dynamics. This knowledge is often passed down from generation to generation, and it enables communities to use natural resources in a way that maintains the health and productivity of the ecosystem. Secondly, subsistence use can help maintain the biodiversity of an ecosystem. By relying on a variety of different natural resources, subsistence communities can help prevent the overexploitation of any one species or resource.

Learn more about subsistence here.

https://brainly.com/question/14855784

#SPJ1

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:

the first figure represents double replacement reaction.

the second figure represents decomposition reaction.

the third figure represents synthesis reaction.

Explanation: Since in the first figure there is switch places of elements in the compounds HCl and NaOH.

In the second figure there is breaking down of the compound MgCl2 to Mg and Cl2.

In the third figure there is two reactants that

combine to form a single product

Answer:

it is a process that leads to lower genetic diversity than sexual reproduction

Following are the disadvantages of this method:

Fragmentation is a method of reproduction that occurs when an organism breaks into smaller pieces, which then grow into new individuals. While this process can be efficient in certain circumstances, it has several disadvantages compared to sexual reproduction. One disadvantage is that it is a very slow process relative to sexual reproduction. This is because it takes time for the fragments to grow and develop into new individuals, and there may be many steps involved in this process.

Additionally, fragmentation leads to lower genetic diversity than sexual reproduction, because the offspring are identical to the parent organism, rather than being the result of a mixing of genetic material from two different parents. These factors may make fragmentation a less effective method of reproduction in some circumstances.

Learn more about fragmentation, here:

https://brainly.com/question/5504605

#SPJ2

Answer:

B

Explanation:

Answer:There is a codominant relationship between alleles

Explanation:

Mammogram is a radiologic procedures does not require a contrast medium. The correct answer is a.

A mammogram is a radiologic procedure used for breast imaging and screening for breast cancer. It does not typically require the use of a contrast medium. A mammogram involves compressing the breast between two plates and taking X-ray images to detect any abnormalities or masses in the breast tissue.

On the other hand, the other options mentioned, b. Hysterosalpingogram, c. Cholecystogram, and d. Angiogram, typically involve the use of contrast media to enhance the visibility of specific structures during the imaging procedure.

- Hysterosalpingogram (b) is a radiologic procedure that examines the uterus and fallopian tubes using a contrast medium injected into the reproductive organs.

- Cholecystogram (c) is a radiologic procedure used to visualize the gallbladder by administering a contrast agent orally or intravenously to highlight the gallbladder and its ducts.

- Angiogram (d) is a radiologic procedure that examines blood vessels by injecting a contrast medium into the vessels to visualize their structure and identify any abnormalities.

Therefore, the correct answer is a. Mammogram, as it does not typically require the use of a contrast medium.

To know more about Mammogram, visit:

https://brainly.com/question/30036407#

#SPJ11

Answer:

The liquid would be equivalent to Cytoplasm

The particles would be equivalent to orgnaelles

Explanation:

Cytoplasm is the liquid-like substance in the form of a gel that is also referred to as the protoplasm which is found outside the cell of living things. It is majorly mad up if dissolved molecules and water, as well as several cell organelles that carry out specific functions.

Comparing salad dressing to a cell, the liquid in the salad could be likened to the cytoplasm of a cell, while the particles in the salad could be likened to the organelles in a cell which performs various functions.

Answer : The liquid would be equivalent to the cytoplasm and the particles would be equivalent to organelles.

Explanation:

Cleaning is the first step in sanitizing stationary equipment. It should be done using warm water and soap. Make sure to remove all visible dirt and debris.

To sanitize stationary equipment, there are several steps to follow. These steps ensure that all surfaces are cleaned and free of harmful bacteria. The first step is cleaning, which involves removing visible dirt and debris. Here is how to clean stationary equipment:

1. Prepare cleaning solution: Mix warm water and soap in a bucket. Use a mild detergent that won't damage the equipment.

2. Remove debris: Use a scrub brush or cloth to remove any visible dirt or debris from the surface of the equipment.

3. Rinse: Rinse the equipment thoroughly with clean water. Make sure to remove all soap residue.

4. Dry: Use a clean towel to dry the equipment.

After the equipment has been cleaned, it can be sanitized using an appropriate sanitizer. This will kill any remaining bacteria and ensure that the equipment is safe to use. It is important to follow the manufacturer's instructions when using a sanitizer to ensure that it is used correctly.

Sanitizing stationary equipment is important to ensure the safety of users and prevent the spread of harmful bacteria. The first step in sanitizing stationary equipment is cleaning.

This involves removing visible dirt and debris from the surface of the equipment. To clean stationary equipment, prepare a cleaning solution by mixing warm water and soap in a bucket. Use a mild detergent that won't damage the equipment.

Next, use a scrub brush or cloth to remove any visible dirt or debris from the surface of the equipment. Rinse the equipment thoroughly with clean water to remove all soap residue.

Finally, use a clean towel to dry the equipment. Once the equipment has been cleaned, it can be sanitized using an appropriate sanitizer. This will kill any remaining bacteria and ensure that the equipment is safe to use. It is important to follow the manufacturer's instructions when using a sanitizer to ensure that it is used correctly.

To learn more about sanitizing

https://brainly.com/question/1570533

#SPJ11

Answer: it’s 10%

Explanation: Primary consumers only obtain a fraction of the total solar energy—about 10%—captured by the producers they eat. The other 90% is used by the producer for growth, reproduction, and survival, or it is lost as heat. You can probably see where this is going. Primary consumers are eaten by secondary consumers.

Advantages:

The plant is an integral member of the regional desert ecosystem and native pollinators such as hummingbirds and carpenter bees consume ocotillo nectar for nutrients. The hummingbird and the ocotillo have an important plant-pollinator relationship, as the hummingbird relies upon the flowers for a nectar source.

The relationship between Ocotillo and Hummingbird is an example of a mutualistic relationship, which means that both species benefit from each other's presence.

The advantages and disadvantages of this relationship can be described as follows:

Advantages:

Ocotillo provides a source of nectar for hummingbirds, which is an important source of energy for their high metabolic rate.

Hummingbirds are efficient pollinators of Ocotillo flowers, which helps to ensure their reproduction and genetic diversity.

Ocotillo provides a nesting site for hummingbirds, where they can raise their young in safety from predators.

Disadvantages:

The relationship between Ocotillo and hummingbirds is specific and may not be beneficial to other species of plants or animals.

Ocotillo is adapted to living in arid environments and may not provide a suitable habitat for some other species of birds or animals.

If the population of either Ocotillo or hummingbirds were to decline significantly, it could affect the survival of the other species in the mutualistic relationship.

Overall, the advantages of the Ocotillo-Hummingbird relationship outweigh the disadvantages, and this mutualistic relationship is an important part of the ecosystem in which they both live.

Learn more about mutualism at :

https://brainly.com/question/13800737

#SPJ2

Answer: becteria

Explanation:

pasteur diveded micro-organisms in to severel group of and control groups.

Answer:

Diffusion helps animals in respiration. The cells in an animal's body need glucose and oxygen for respiration. Both these are carried in the blood. When blood reaches the cells the molecules of glucose and oxygen diffuse out of the blood and into the cells. As cells use up the glucose and oxygen they produce waste chemicals and carbon dioxide.

Diffusion is a very important process for photosynthesis where carbon dioxide from the stomata diffuses into the leaves and finally into the cells. This helps the plants to photosynthesize and produce more food.

Example for animals: Animals using glucose and oxygen in diffusion.

Examples for plants: Plants using carbon dioxide to photosynthesize.

A soldier lying face down with injuries his back injured must be handle with proper care and at the earliest. First of all I will look for the place at his back where he was injured and how much he was injured. And then very carefully lift him up and will look for a stretcher or gurneys and will look out for some help. I will try to arrange some vehicle and rush him to the nearest medical care.

The organism that would have the greatest amount of energy stored is the protozoa.

The organisms at the bottom of the food web (producers) typically have the greatest energy input, as they are the primary source of energy in the ecosystem. They capture the energy from the sun and convert it into organic compounds.

They may not have the greatest biomass or individual energy content compared to higher trophic levels.

Learn more about food web:https://brainly.com/question/30062179

#SPJ1

Answer:

oxygen, respiratory, breathe, nose, trachea, esophagus, anus

Explanation:

This is an example of density-dependent mortality. Density-dependent mortality occurs when a population experiences increased mortality due to increased population density.

In this case, adding twice the normal number of eggs to the larval medium would likely result in a higher density of larvae, which could lead to increased competition for resources (such as food) and increased mortality. This, in turn, could lead to fewer resultant adult flies in the next generation. Density-dependent mortality is a common mechanism of population regulation in many species, as it helps to prevent populations from growing too large and overwhelming their environment's carrying capacity.

To know more about larval,

https://brainly.com/question/1675329

#SPJ11

High-fiber diets are related to reduced risk of stroke, heart disease, and diabetes EXCEPT A: reduced secretion of intrinsic factor.

A large number of research findings have reported a reduced risk of diabetes, stroke, and heart disease in people who report consuming diets enriched with fiber. Thus, high dietary fiber diets are thought to reduce risks of various heart diseases as well as risks of stroke and diabetes.

However, high-fiber diet intakes are not associated with reduced secretion of intrinsic factors.

You can learn more about High-fiber diets at

https://brainly.com/question/26510820

#SPJ4

Besides being photosynthetic eukaryotes, green algae share several other traits with modern land plants.

Traits are including:
1. Chlorophylls: Both green algae and land plants contain chlorophyll a and chlorophyll b, which are the primary pigments responsible for capturing light energy during photosynthesis.
2. Cell walls: Green algae and land plants have cell walls composed of cellulose, a structural carbohydrate that provides support and rigidity.
3. Starch storage: Both groups store excess energy in the form of starch, a carbohydrate made up of glucose molecules.
4. Life cycle: Green algae and land plants exhibit alternation of generations, meaning they have a life cycle that alternates between a haploid gametophyte stage and a diploid sporophyte stage.
These shared traits suggest a close evolutionary relationship between green algae and modern land plants.

To know more about photosynthetic ,

https://brainly.com/question/26561399

#SPJ11

The most likely effect these nonnative flathead catfish could have on the ecology of the Yadkin river is that they could cause a decline in the population of native fish species that they prey on.

Nonnative refers to any species that is not native to a particular area or ecosystem. Nonnative species can be referred to as exotic, alien, or introduced species.

Flathead catfish are known to consume a wide variety of fish species, including smaller fish, and their introduction into the Yadkin River could lead to competition for food and habitat with native fish species. This competition could lead to declines in the population of native fish species, and could also disrupt the balance of the entire ecosystem.

Learn more about nonnative species here: https://brainly.com/question/20780857

#SPJ4

Answer:

the greenhouse effect helps keep Earth's temperature up.

without greenhouse gasses Earth would be uninhabitable.

Explanation:

The development of the universe would not be able to move or function if there had been no dark matter.

This is referred to as the space, energy and matter present in space and is also everything we can feel, touch or see. Examples of the constituents include stars, planet etc and they have their unique properties and functions.

Without the presence of the dark matter in the universe, there will be no formation of  the larger versions of those galaxies and the universe won't be able to move or function thereby making it the correct choice.

Read more about Universe here https://brainly.com/question/805395

#SPJ1

If you test positive for a disease, you would be more concerned if the test is known to have a high specificity rather than a high sensitivity.

The reason for this is because a test with a high specificity is more likely to accurately identify individuals who do not have the disease. In other words, a test with a high specificity is less likely to produce false positive results.

Therefore, if you test positive for a disease and the test has a high specificity, it is more likely that you actually have the disease.

On the other hand, a test with a high sensitivity is more likely to accurately identify individuals who do have the disease. This means that a test with a high sensitivity is less likely to produce false negative results.

However, a test with a high sensitivity may also produce more false positive results. Therefore, if you test positive for a disease and the test has a high sensitivity, it is possible that you do not actually have the disease.

In conclusion, if you test positive for a disease, you would be more concerned if the test is known to have a high specificity because it is more likely that you actually have the disease.

To know more about high specificity tests, refer here:

https://brainly.com/question/28194981#

#SPJ11

Photons of light are absorbed by electrons in NADPH, increasing its energy.

Although it operates similarly, photosynthesis requires the distinct fuel NADPH. A high-energy electron and proton are taken up by the low-energy form NADP+ and transformed into NADPH. NADPH changes back to NADP+ when one electron is lost. Overall, this process transforms light energy into chemical energy in the form of ATP and NADPH.

The Calvin cycle, the following stage of photosynthesis, uses ATP and NADPH from the light-dependent process to produce carbohydrates. Two electron transport chains work together to make ATP and NADPH. During the photoreaction, oxygen and water are both consumed. Since the process starts with sunlight, these reactions can only occur in the sun. the moment the photosystem is reached by an electron from the electron transport chain.

To know more about the light reaction ,visit:

brainly.com/question/2854133

#SPJ9