DDT was a highly effective insecticide developed in the 1940s. DDT was so good at killing mosquitoes and reducing malaria that its inventor, Paul Muller, won the Nobel Prize. But in the 1960's it was discovered that DDT is taken up by algae in the water, increasing in concentration at each step of the food chain, because the pesticide remains in the fat tissues of organisms. The ecological problem that resulted from DDT use is called A) biohazard. B) bioremediation. C) biomagnification. D) food chain interruption

Based on the description provided, it sounds like this organism is most likely a protozoan, which would classify it in the Kingdom Protista.

Protozoa are single-celled eukaryotic organisms that can be found in a variety of habitats, including freshwater. They can be observed using a microscope and have a variety of reproduction methods, including asexual reproduction by budding.

Some species of protozoa are heterotrophic and feed on other organisms to obtain energy, while others are autotrophic and produce their own food through photosynthesis.

Protists are typically classified based on their morphological characteristics, such as their mode of motility and type of nutrition.

To learn more about Kingdom Protista

https://brainly.com/question/25148693

#SPJ4

The cornea is the right answer which is the  transparent front part of the eye that covers the iris, pupil, and anterior chamber

The transparent part that covers the iris and pupil and allows light to enter. Zoom in. Anatomy of the eye showing the outside and inside of the eye, including the eyelid, pupil, sclera, iris, cornea, lens, ciliary body, retina, choroid, vitreous humor, and optic nerve. Important functions of the cornea of ​​the eye include protecting the structures inside the eye, contributing to the refractive power of the eye, and focusing light rays onto the retina with minimal scattering and optical degradation. This is a transparent tissue that protects the inside of the eye and focuses light towards the lens and retina of the eye. Without focus, light passes through the front of the eye and cannot reach the retina properly. The result is blurred vision.

To know more about  vitreous humor visit:

https://brainly.com/question/15271360?referrer=searchResults

#SPJ4

Answer:

A BOY LYING DOWN WITH HIS EAR TO THE GROUND

What kind of traits found in a group of organisms provides the strongest evidence for common ancestry of that group? Although the characteristics are similar, they serve various purposes in the group members.

The idea that all cellular life forms on earth share a single genesis is widely held. The universality of the genetic code and the universal conservation of several genes, especially those that code for essential elements of the translation system, support this viewpoint. By contrasting the capacity of a common-ancestry model with a multiple-ancestry model to predict the sequences of universally conserved proteins, an impressive recent work asserts to provide a formal, homology independent evaluation of the Universal Common Ancestry hypothesis.

To learn more about common ancestry from the given link?

https://brainly.com/question/26125007

#SPJ4

The consequence of clearing forests for agriculture purposes: is that soil erosion is increased. The correct option is C.

When forests are cleared for agriculture, the trees and plants that hold the soil together are removed. This leads to the soil becoming more susceptible to erosion from wind and water. As a result, the topsoil, which contains essential nutrients for plant growth, can be easily washed or blown away. This can negatively impact crop productivity and the overall health of the ecosystem.

Additionally, clearing forests can lead to a decrease in biodiversity and an increase in CO2 levels in the atmosphere, as there are fewer plants to absorb CO2 and provide habitats for various species. Although the initial conversion of forests to agricultural land might increase crop productivity due to the rich soil, the long-term negative effects, such as increased soil erosion, make it unsustainable. The correct option is C.

To know more about soil erosion, refer here:

https://brainly.com/question/29091356#

#SPJ11

In the uvr excision repair system of E. coli, long patch repair replaces up to 12 nucleotides, and a short patch repair replaces up to 5 nucleotides.

In the uvr excision repair system of E. coli, the damaged DNA strand is removed by a nuclease that cuts at the damaged site and a few nucleotides on either side. This generates a gap in the DNA strand, which is then filled by the DNA polymerase. The type of repair pathway used by the system determines the length of the patch that is synthesized to fill the gap. In long patch repair, more than 10 nucleotides are replaced, while in short patch repair, only one or a few nucleotides are replaced. The choice of repair pathway depends on the type and extent of DNA damage, as well as other factors.

Learn more about E. coli

https://brainly.com/question/30511854

#SPJ4

You don't need to push the wheelbarrow down the beach. Instead, fill it up with sand. "It starts by going around with a bucket and shoveling and collecting all of the plastic debris that you see," said Aivazian. The water from the hoses pushes the plastics to the surface and separates them from the sand.

The processes that require a membrane are the generation of ATP by oxidative phosphorylation, the generation of energy by mitochondria, and the generation of ATP by photosynthesis in plants (Options a, b and e).

Oxidative phosphorylation is the third step of cellular respiration which generates ATP in the mitochondria by creating a differential potential gradient in the inner membrane, in a similar way to the potential used by plants in photosynthesis (in this case in the chloroplast).

Therefore, with this data, we can see that oxidative phosphorylation generates ATP by a gradient using the mitochondrial membrane.

Learn more about oxidative phosphorylation here:

https://brainly.com/question/8562250

#SPJ1

The cap structure or Capping protects coding sequences at the 5' end of mRNA from degradation.

The cap structure refers to a modified nucleotide structure added to the 5' end of eukaryotic mRNA molecules during transcription. It consists of a modified guanine nucleotide (known as the 7-methylguanosine cap) attached to the mRNA via a unique linkage. This cap structure plays several important roles, including protecting the mRNA from degradation by exonucleases.

Exonucleases are enzymes that degrade RNA molecules by cleaving nucleotides from the ends. By adding the cap structure to the 5' end of mRNA, it provides protection by preventing exonucleases from recognizing and degrading the mRNA from this end. Additionally, the cap structure is involved in other processes such as mRNA export from the nucleus, translation initiation, and recognition by the ribosome during protein synthesis.

In summary, the cap structure protects coding sequences at the 5' end of mRNA from degradation by exonucleases and plays crucial roles in mRNA stability and translation.

To know more about mRNA follow the link:

https://brainly.com/question/29314591

#SPJ4

Answer:

1. She turned off the lights because she knew that she would see a phenomenon of animals making light called bioluminescence. She described that she was totally unprepared for how much there was and how spectacular it was. She saw chains of jellyfish that were pumping out a lot of light; and puffs and billows of what looked like luminous blue smoke and sparks of blue light from the thrusters.

2. The head on ships which are the toilets on ships are flushed with unfilltered seawater that often has bioluminescent plankton on it. So, if you stagger into the haed late at night and you're toilet-hugging sick, that you forget to turn on the light, you my think that you're having a religious experience.

3. They are focusing on the chemistry because these chemicals have proved so incredibly valuable for developing antibacterial agents, cancer fighting drugs, testing for the presence of life on Mars, detecting pollutants in our waters which is how it is used at ORCA. In 2008, the Nobel Prize in Chemistry was awarded for work done on a molecule called green fluorescent protein that was isolated from the bioluminescent chemistry of a jellyfish, and it has been equated to the invention of the microscope, in terms of the impact that it has had on cell biology and genetic engineering.

4. What makes it important for the survival of many animals is for the animals that are trying to avoid predators by staying in the darkness, light can still be very useful for the three basic things that animals have to do to survive: and that's find food, attract a mate and avoid being eaten.

5. The primary ways that we know about what lives in the ocean is we go out and drag nets behind ships. The other primary way is we go down with submersibles and remote-operated vehicles. Doing that there are bright lights and thrusters that disturbs the animals and makes then go away.

6. She was able to tell the difference between the species by the types of flashes they produced like the big explosions, sparks, are from a little comb jelly.

___________________________________________________________

Hope this help you :)  (sorry I took long)

The likelihood that daughters will carry the gene and be able to pass it on to the following generation is 50%. A daughter has a 50% probability of not having the gene and so not being able to pass it on. Option (2)

Sons who are healthy and lack the gene have a 50% chance of doing so. On the other hand, there is a 50% probability that a boy will have the gene and manifest the characteristic or condition. Inheritance of a trait or condition is said to be X-linked if the gene responsible for it is found on the X chromosome. Men have one X and one Y chromosome, while women have two X chromosomes. Genes on the X chromosome can be dominant or recessive.

Their expression differs in males and females. Only when the gene is present in two copies in females do X-linked recessive genes express themselves (one on each X chromosome). However, for an X-linked recessive trait or condition to manifest in males, just one copy of the gene is required. For instance, a mother may unintentionally possess a recessive gene on one of her X chromosomes and convey it to her son.

Learn more about chromosomes visit: brainly.com/question/11912112

#SPJ4

Correct Question:

A mother has red-green colorblindness, so both of her x chromosomes carry the x-linked disorder. her husband does not have red-green colorblindness. if the couple has a son, what are the chances that he is colorblind? set up a punnet square to answer the question.

1. 0%

2. 50%

3. 100%

4. 25%

1. The pharynx is located between segments of the respiratory and digestive systems.

The pharynx is a muscular tube that serves as a common pathway for both air and food. It is located at the back of the throat and connects the nasal and oral cavities to the esophagus and larynx. The pharynx is divided into three regions: the nasopharynx, oropharynx, and laryngopharynx.

The nasopharynx is located behind the nasal cavity and above the soft palate. It serves as a passageway for air, connecting the nasal cavity to the rest of the respiratory system. The oropharynx is located behind the oral cavity and extends from the soft palate to the epiglottis. It plays a role in both the respiratory and digestive systems, as it serves as a passage for both air and food. The laryngopharynx is the lowest part of the pharynx and is located behind the larynx. It leads to the esophagus for food passage and the larynx for air passage.

The pharynx plays a crucial role in the process of swallowing. When food is swallowed, it passes through the pharynx before entering the esophagus for digestion. The pharyngeal muscles contract in a coordinated manner, pushing the food bolus downward and preventing it from entering the airway.

In summary, the pharynx is located between segments of the respiratory and digestive systems. It acts as a common pathway for both air and food, playing a vital role in swallowing and directing the passage of substances into the appropriate pathways of the respiratory and digestive tracts.

For more such information on: pharynx

https://brainly.com/question/13554091

#SPJ8

i guess the statement is false

Answer:

about 30 percent of our body is muscle and we use only 10 percent of it

Explanation:

Answer: hello, the answer to you question is The muscular system is responsible for the movement of the human body. Attached to the bones of the skeletal system are about 700 named muscles that make up roughly half of a person's body weight. Each of these muscles is a discrete organ constructed of skeletal muscle tissue, blood vessels, tendons, and nerves.

Answer:

hello. it's D

Explanation:

animal cells don't have chloroplast so A is not correct

animal cells also don't have central vacuole . so B is incorrect

cell wall is not for animal cells . C goes out

so D is the answer. both have mitochondria to produce energy (ATP)

hope you understand

if you have any questions don't hesitate to ask

Answer: D

They contain mitochondria that break down molecules into energy.

Explanation:

Animal cells and Plant cells both have mitochondria that produces energy.

Answer:

Its the Ocean.

Explanation:

This is the correct answer I hope this helps you out.

Oceans hold the least amount of carbon compared to glaciers, plants, and soil.  Therefore, option (A) is correct.

Carbon exists in the oceans mainly in the form of dissolved inorganic carbon (DIC) in the form of bicarbonate and carbonate ions. The oceans act as a carbon sink, absorbing around 25% of the carbon dioxide emitted by human activities. However, the amount of carbon stored in the oceans is relatively low compared to other carbon reservoirs such as glaciers, plants, and soil.

Glaciers are made up of compacted snow and ice and can hold large amounts of carbon. Glaciers are important for the carbon cycle as they can sequester carbon for hundreds of years. Plants also store large amounts of carbon in the form of organic matter through the process of photosynthesis. Soil also stores significant amounts of carbon in the form of organic matter.

Overall, while oceans do play a role in the carbon cycle, they hold the least amount of carbon compared to other reservoirs. The carbon cycle is a complex system that involves many reservoirs and processes, and understanding the dynamics of each of these components is crucial to our understanding of global climate change.

Learn more about carbon cycle, here:

https://brainly.com/question/20813897

#SPJ3

However, in general, the choice of population monitoring method will depend on the characteristics of the species being monitored and the goals of the monitoring program. Some factors that may influence the choice of method include the size of the population, the distribution of individuals, the habitat requirements of the species, the ease of detection, and the level of precision required. Common population monitoring methods include mark and recapture, transect surveys, point counts, and remote sensing. Ultimately, the choice of population monitoring method should be based on a careful assessment of the species and the monitoring objectives to ensure that the most appropriate and effective method is used.

Symbiotic relationships can provide an advantage when organisms compete with each other in nature by allowing them to access resources that they may not have been able to obtain on their own.

For example, in mutualistic relationships, two organisms may work together to acquire food or nutrients that they could not obtain on their own. In commensal relationships, one organism may benefit from the other without harming or benefiting it, but still gain an advantage by accessing resources that the other organism is not utilizing.

These relationships can lead to increased survival, growth, and reproductive success, ultimately giving the organisms involved a competitive advantage over those that do not have such relationships.

Learn more about Symbiotic relationships

https://brainly.com/question/2622358

#SPJ4

Answer:

Heart is made of strong cardiac muscle with the closed fist of a man. It position is behind the sternum in between the lungs,nearly2/3rd of the part falling on the left hand side and remaining 1/3rd to the right side of the sternum .It weight nearly 450 grams in grown up males but weight less(about 300grams) in women The number of heart beats minute in an adult is about 72.

Answer:

A push makes something go forward in contrast to your position. A pull makes something go backwards in contrast to your position

Explanation:

In eukaryotic cells, the endomembrane system is a collection of organelles and membranes that collaborate to transport, package, and alter lipids and proteins.

Proteins from the ER are further processed and sorted in the Golgi apparatus, or Golgi complex, where they are then transported to their final locations—lysosomes, the plasma membrane, or secretion—for use in other processes.

Flattened sacs are layered one on top of the other to form the Golgi body. Its purpose is to process secretory and synthetic products coming from the ER before delivering the final goods into various cell regions or secreting them outside the cell.

To know more about eukaryotic cells visit:-

https://brainly.com/question/11351358

#SPJ4

Answer:

skin that lack pigmentation.

Explanation:

The KIT gene mutations responsible for piebaldism lead to a nonfunctional KIT protein. The loss of KIT signaling is thought to disrupt the growth and division (proliferation) and movement (migration) of melanocytes during development, resulting in patches of skin that lack pigmentation.

Genes are segments of DNA that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.

Answer:

Which best explains how and why scientific knowledge is continually expanded and improved? The scientific process flows in one direction and finds only facts that support a scientist's original idea. The scientific process is cyclical so that new facts inspire questions that lead to new studies.

Explanation:

Brainlist???

Answer:

B. The formation of cancer cells.

Explanation:

DNA mutation causes overproduction of protein which lead to the formation of cancer cells. Mutations in genes is responsible for causing cancer by speed up the rate of cell division or inhibits the normal controls on the system, such as cell cycle or programmed cell death. As a growth of cancerous cells occurs, it can change into a tumor. Cancer is unchecked growth of the cell due to fast cell division so we can conclude that DNA mutation leads to cancer disease.

To answer a driving question, it would be helpful to gather information on the topic. Understanding the relationship between the topic and subtopic would also be important.

Questions that contain the 5 Ws and H being brainstormed can lead to the information.

A driving question is a broad and open-ended question that guides the inquiry process in a research project or investigation. It is designed to inspire and motivate students to explore a topic or issue deeply, and it is often related to real-world problems or issues.

The driving question should be thought-provoking, open-ended, and relevant to students' lives, and it should encourage critical thinking, creativity, and collaboration. It helps students focus their research and investigation, and it provides a framework for organizing and synthesizing their findings into a coherent argument or solution.

Learn more on brainstorming here: https://brainly.com/question/13494304

#SPJ1

The complete question:

Brainstorming can help you choose a topic, develop an approach to a topic, or deepen your understanding of the topic's potential.

ANALYZE

Think about what you already know and what information you still need to answer the Driving Question. Which of the questions you brainstormed might lead you to this information?

Answer:

condoctors 10 insulators 10