Answer:
Mitochondrial DNA accumulates DNA mutations quickly. Because of this, it would be most beneficial in analyzing the ancestral relationship of organisms that are
A. Mitochondrial DNA is beneficial in both of these cases
B. Distantly related
C. Mitochondrial DNA is not used to analyze relationships
D. Closely related
Explanation:
Mitochondrial DNA does not serve to identify individuals without ambiguity, but to detect kinships between groups of individuals; it is then used for comparisons between missing persons and unidentified remains and their relatives.
The answer is: D. closely related.
What did Leeuwenhoek use that enabled him to see bacte
the staining of dishes in a lab
the heating of foods and liquids
different magnification lenses
observations of diseased people
describe the integumentry system in three words
in which part of the world is an equinox most different from other days of the year
The part of the world that an equinox is most different is ; The poles ( North and south )
Equinox is the period in a year when the Sun is directly over the equator, during this time, the earth experiences an equal amount of daytime and night time ( i.e. number of hours during the daytime = number of hours during nighttime).
The part of the earth that is most different ( i.e. hours of daytime ≠ hours of nighttime ). is the poles because the poles are located at the extreme ends of the earth and the sun rays cannot get to the poles evenly at the same time.
Hence we can conclude that The part of the world that an equinox is most different is, The poles
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how would the introduction of predator species affect the stability of the ecosystem
The introduction of predator species generally affects the stability of the ecosystem by gradually declining the overall diversity in that region.
What is an Ecosystem?An ecosystem may be defined as the place or an area where individuals of different species live together and interact with one another for the purpose of food, shelter, and space.
When a predator species is significantly introduced in any ecosystem, it will definitely reduce the population of prey in that region. Due to this, it becomes very tough for the prey species to survive in that ecosystem.
As a result of this prey species either die off or leave that ecosystem and migrate to other places. As soon the level of prey species declines, it will remarkably affect the population of predator species as well. After some time, the population of predators also decreases gradually.
Therefore, the introduction of predator species generally affects the stability of the ecosystem by gradually declining the overall diversity in that region.
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During which phase does the nucleus begin to break down?
prophase II
metaphase II
anaphase II
telophase II
Why do you think tall buildings must be framed with steel?
Tall buildings require steel framing due to its high strength and ductility, essential for supporting large structures and enduring significant forces without collapsing
Although steel is not completely rust-resistant and requires protection against corrosion, especially in moist and corrosive climates, this material is fundamental in the construction of high-rise buildings. The use of steel, along with reinforced concrete, began the era of the skyscraper that continues to influence modern architecture. Reinforced concrete is made by pouring concrete around a grid of steel rods or rebar to increase its tensile strength. This combination enables buildings to withstand significant forces, such as those from earthquakes, without collapsing while retaining their structural integrity. Moreover, steel can be added to older buildings to reinforce and ensure their structural stability.
what is a map? Pls let me know
1. Based on the model…
a. This is an illustration of a(n) ___________ factor.
b. The biotic and abiotic factors share a(n) __________.
When an animal runs along the ground by flexing some of its muscles, what causes its muscles to contract?
A.
hormonal signals
B.
light signals
C.
heat impulses
D.
electrical impulses
Growing two inches when you are 12 years old demonstrates what development
the answer is physical, hope it helps :)
Why are mushrooms important to the food chain? They recycle nutrients into the ecosystem. They produce food energy for other living things. They recycle oxygen into the atmosphere. They consume excess herbivores in the ecosystem.
The correct answer is option A
Mushrooms are important to the environment because they bring back the nutrients into the soil. Mushrooms are fungi that are known as the decomposers.
They feed on the dead plants and animals and brings back the nutrients in the soil which is used up by the plants.
This is known as the recycling of nutrients.
Mushrooms are important to the food chain because they recycle nutrients into the ecosystem. Therefore, the correct statement is option A.
What is the importance of mushrooms?Mushrooms are fungi that break down organic matter and recycle nutrients. They are decomposers that feed on dead organic matter and break it down into simpler compounds that can be reused by other organisms in the food chain.
Mushrooms are important in forest ecosystems, where they break down dead plant material and return nutrients to the soil and make these nutrients available to other plants, thereby, acting as a source of food for many organisms in the food chain.
Mushrooms do not produce food on their own for other living things or recycle oxygen into the atmosphere, but they play an important role in maintaining the health and balance of ecosystems by recycling nutrients and promoting the growth of plants.
Therefore, mushrooms are important to the food chain because they recycle nutrients into the ecosystem.
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Which energy carriers are produced be the Calvin cycle
Answer:
NADP+ ADP and glucose
Explanation:
list 2 of the important properties of gasses
How is information converted in translation
B. From nucleic acids to amino acids
to thank me for my answer, @youngglimmy
A subcontinent is __________. A. a large landmass that is part of a continent B. a large area of land that is below sea level C. a large island, such as Greenland or Iceland D. a large region with similar landforms and weather Please select the best answer from the choices provided A B C
A subcontinent is a large landmass that is part of a continent. Therefore, the correct option is A.
What is a subcontinent?A subcontinent is a large, distinct landmass that is a part of a larger continent. It is usually separated from the rest of the continent by geographical features such as mountains, rivers, or oceans.
A subcontinent often has a unique cultural, historical, and ecological identity and may contain several countries or regions. The Indian subcontinent, for example, is a large landmass that includes India, Pakistan, Bangladesh, Nepal, Bhutan, and Sri Lanka. It is separated from the rest of Asia by the Himalayan mountains and is characterized by a shared history, diverse religions, and a rich cultural heritage. Therefore, the correct option is A.
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Why do cells need matter?
The matter is present everywhere and composes everything. The cells need matter as it is required to form new atoms and molecules for survival and reproduction.
What is a cell?A cell is the simplest and smallest unit of the organization of an organism that is composed of matter. The matter is involved in all living and nonliving substances and is the most important for biological cells.
Cells are made of atoms and molecules that are matter too and are the basic units that serve as the fundamental unit of life. It is involved in reproduction and is crucial for survival.
The cells are composed of various organelles that perform various activities and functions for the cell to survive and regulate other activities.
Therefore, cells are made of matter.
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What contains a phosphate group for every nucleotide?
A. DNA
B. RNA
C. Both DNA and RNA
D. Neither DNA or RNA
No guessingggggggggg If you take a 10 second quick count, which value would total 72 beats per minute?
I NEED HELP!!!! ASAP!!
what are structures that support and give shape to plant cells
Heterozygous alleles are found on ________ chromosomes. A) analogous B) heterozygous C) homologous D) homozygous
Answer:
C.)
Explanation:
I think it's C.)
are elephants classified sexual or Asexual?
How do contact and non contact forces affect motion
Why do you think parasites are a concern for veterinarians
Parasites are a concern for veterinarians because they can cause diseases and health problems in animals. Veterinarians need to be able to diagnose and treat these parasitic infections in order to keep animals healthy. Some parasites, such as nematodes, can have complex life cycles and can infect multiple hosts, making them a particularly challenging concern for veterinarians.
Explanation:Parasites are a concern for veterinarians because they can cause diseases and health problems in animals. Veterinarians need to be able to diagnose and treat these parasitic infections in order to keep animals healthy. Some parasites, such as nematodes, can have complex life cycles and can infect multiple hosts, making them a particularly challenging concern for veterinarians.
Parasitic nematodes, like hookworms, infest the intestines of animals and feed on their blood. They can cause anemia and other health issues. Other parasites, like heartworms, can invade vital organs and can be life-threatening if left untreated.
Additionally, some parasites can be transmitted from animals to humans, causing zoonotic diseases. Veterinarians play a crucial role in preventing the spread of these diseases by identifying and treating infected animals.
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1. The 1930s Dust Bowl in the Great Plains was caused by
A. deforestation
B. contour plowing
C. using renewable resources
D. poor farming practices
Option D is the correct answer.
The 1930s Dust Bowl in the Great Plains was caused by- poor farming practices. These practices resulted in erosion and loss of topsoil majorly affecting the crops.
Which product does the Krebs cycle require from the electron transport chain?
Answer:
NAD+ and FAD+
Explanation:
Kreb's cycle is process that breaks down acetyl CoA into carbon dioxide and water. It uses NAD+ and FAD+ as electron acceptors for its redox reactions. The NADH and FADH2 formed during Kreb's cycle enter electron transport chain to donate their electrons to oxygen and to get oxidized into NAD+ and FAD+ respectively. Without supply of NAD+ and FAD+ from electron transport chain, the redox reactions of Kreb's cycle cannot occur.
which of the following decisions could best benefit from critical thinking?
If I explore two continental plates at a convergent boundary, then I will observe
•Earthquakes
•Faults
•Ocean formation
•Mountains
•Volcanoes
•Island chains
•Seafloor spreading
If you explore two continental plates at a convergent boundary, you will most likely observe earthquakes, faults, and mountains.
What are continental plates?Continental plates, also known as tectonic plates, are large, rigid sections of the Earth's lithosphere, which is the outermost layer of the Earth's surface. These plates are made up of continental crust and the underlying uppermost portion of the mantle. The Earth's lithosphere is broken into several distinct plates that float and move atop the underlying asthenosphere, which is a more ductile and fluid layer.
The continental plates are characterized by containing continental crust, which is thicker and less dense compared to the oceanic crust found beneath the oceans. These plates cover the Earth's landmasses, including continents and continental shelves. The movement of these plates, driven by the convective currents in the underlying mantle, is responsible for various geological phenomena such as earthquakes, mountain formation, and the creation of different types of plate boundaries, including convergent, divergent, and transform boundaries.
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Noam is building an aquarium. He needs to install a system to isolate biological matter and keep the water from getting too dirty. The water is continuously fed through the separation system, and the clean filtrate is allowed to flow back into the aquarium. Should he use a screen or a filter? Explain at least one advantage and one disadvantage of each.
Sample Response: If Noam chooses a filter, it might be more effective than a screen. After using it for a while, though, he will have to replace it, which could be expensive. A screen might be less effective, but it can be cleaned instead of replaced.
Which group of living things can move energy from consumers at the top of an energy pyramid back to producers at the bottom? *
Answer is Decomposers
In any food chain autotrophs are producers which is makes food with the help of sun energy. Primary consumers are herbivores which eat plants, and secondary and tertiary consumers are carnivores which feed on primary consumers. On the death of producers and consumers, decomposers such as bacteria and fungi, breakdown dead animal, dead plant materials and waste products from other members of the ecosystem into simple soluble nutrients. These nutrients return to the soil from dead organic matter. Thus, the living things depends on decomposition processes at the end of the chain by decomposers.