The difference between mass extinction and background extinction is described as :
Background extinction has a tendency to be sluggish and slow however not an unusual place with a small percent of species at any given time fading into extinction throughout Earth's history. Mass extinction includes the demise of 75% or greater species in a geologically brief time period because of catastrophic events.
What are the types of Five Extinctions?Ordovician-Silurian Extinction: 440 million years ago.Devonian Extinction: 365 million years ago.Permian-Triassic Extinction: 250 million years ago.Triassic-Jurassic Extinction: 210 million years ago.Cretaceous-tertiary Extinction: sixty-five Million Years Ago.Thus it is clear that mass extinction differs from background extinction.
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Plant stems can be ______, ______, thick,______, or _________.
Answer:
Underground stem, Aerial stem, and subaerial stem.
Explanation:
Plant stems can be Underground stem, Aerial stem, and subaerial stem due to its presence and strength of the stem. Underground stem are thick stems that run below the ground surface. e.g rhizome. Aerial stems are thin stems that can not stand erect. Examples include watermelon and strawberry etc. Subaerial stems are very thin stems that do not rise up but grow just above the ground. for example, water plantain, flowering rush etc.
Definition: All the individuals of a species that live together in one place at the same time
Example: this of humans in the United States in 2005 is around 275,000,000
Term: po
Interdep
Hint
Answer:
population
Explanation:
list two ways that the fungal life cycle is different from the animal life cycle
Answer:
In some aspects, the fungal life cycle is contrary to vertebrates. In most fungi, hyphae with haploid nuclei are the dominant stages. Two nuclei from neighboring hyphae merge into a diploid zygote during sexual reproduction. The zygote undergoes meiosis after a brief period of time.
Explanation:
The haploid (called spores) cells produced from this process become new haploid hyphae. In the bread mold, the haploid hyphae form many haploid springs which can go to other places and lead to new hyphae. Most fungi can also reproduce asexually. Note that mitosis (why?) causes these spores. This asexual reproductive process is a distinct cycle and is more widespread in most fungi than the sexual life cycle. The characteristic black dots found on molten bread, for example, are clusters of asexually produced spores. See this animation which describes the bread mold life cycle.
Unique and complex fungal life cycles. Fungi breed sexually either cross-fertilization or self-fertilization. The Haploid fungus has gametes at tips and generates hyphae. There are two different types of matches (marked as "+ type" and "– type").
7. What is the relationship between the amount of greenhouse gasses in the atmosphere and the average global temperature
Answer:
More heat in the atmosphere, less absorption of greenhouse gases on Earth, and solar and volcanic activity may contribute to an increase in global average surface temperatures.
Explanation:
describe how the force of gravity from Earth could affect nearby Apollo asteroids and explain how the effect of Earth’s gravity could change the orbital motion of an Apollo asteroid.
Gravity pulls objects toward Earth at a rate of 9.8 m/s2. Weight is the result of gravity's pull on a mass on Earth's surface.
The force of gravity from the Earth could affect nearby the Apollo asteroids and this gravitational force is responsible for pulling the objects towards itself which could change the orbital motion of an Apollo asteroid.
What is the Apollo asteroid?Apollo asteroids are also called as the near-earth asteroids. These are a major source of the meteorites which occasionally fall to the earth. Asteroids with the orbits that approach the earth, are passing inside the perihelion of the Mars, and these are called as Amors. Those that cross the orbit of the earth are called as the Apollo asteroids.
Gravitational force is the force which pulls all the objects in the universe towards each other on the planet and in its orbit. On the Earth, gravity pulls all the objects downward towards the center of the planet.
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What was Charles Darwin (1809-1882)?
Answer:
English naturalist whose scientific theory of evolution by natural selection became the foundation of modern evolutionary studies.
Explanation:
How do you think different people’s chromosomes would compare
Answer:
Most humans have 46 chromosomes of approximately the same size and shape. The only major difference between different people's chromosomes can be found in the sex chromosomes. ... A karyotype is a picture showing a cell's chromosomes grouped together in pairs.
Explanation:
Your lab manual says that the nutrient agar control plate in this experiment, is "a comparison for growth quality." Explain why the results on the nutrient agar plate are necessary to justify your conclusions about the mannitol salt agar plate\.\*
Answer:
Nutrient agar lets us know about the presence/absence of any kind of bacteria.
Mannitol salt agar let us know about the presence/absence of osmotolerant bacteria.
The difference between them lets us know which bacteria are osmotolerant and which ones are not.
Explanation:
The mannitol salt agar is useful to identify organisms with specific traits. It is a selective medium that only allows the growth of osmotolerant cells. It is used to identify bacteria such as Staphylococcus aureus.
The comparison between nutrient agar and mannitol salt agar is significant because it gives more information about the bacteria type. If no cell grows in these two mediums means that there are no bacteria at all. But if cells can grow in the nutrient agar and not in the mannitol salt agar, it means the growing bacteria are not tolerant to salty mediums. They are not osmotolerant.
A comparison between the presence/absence of bacteria growing in each medium lets us know which species are osmotolerant and which ones are not.
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What will happen to a plant cell placed in distilled water?
The cell will become flaccid due to the cell membrane.
The cell will become turgid due to the cell wall.
The cell will lysis due to the cell membrane.
The cell will burst due to the cell wall.
Answer:
the cell will become turgid due to tge cell wall
Explanation:
when a plant cell is placed in distilled water the water will move in the solution inside the cell is hypertonic to the distilled water serrounding the cell but it will not burst it producr turgor pressure keeping the plant upright
if a plant cell is placed in distilled water, and distilled water has a very low concentration of solutes the cell will become turgid due to the cell wall, hence option B is correct.
How distilled water affect the plant cell?This is because distilled water has a very low concentration of solutes and a high concentration of solvent, making it a hypotonic solution in comparison to the intracellular environment.
To put it another way, we can say that the solute concentration of When a plant cell is placed in distilled water, it becomes turgid.
This is due to the fact that it osmotically absorbs water from the hypotonic distilled water, causing the cytoplasm of the plant cell to enlarge and firmly press up against the cell wall.
Therefore, distilled water has a very low concentration of solutes, so cells will become turgid.
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what is the process of reproduction between human and animals?
If having long fur helps a guinea pig survive, what
would you expect to see change in the population
as it evolves?
DONE
In a population with long fur, there will be more guinea pigs than short fur in the given scenario.
What is trait?A trait, as it relates to genetics, is a unique feature of an individual.
If having long fur helps a guinea pig survive, we can expect the long-furred trait to become more common in the population as it evolves.
This is because guinea pigs with long fur would have an advantage in colder environments, allowing them to retain body heat more effectively and survive longer.
As a result, longer-furred guinea pigs are more likely to survive and reproduce, passing on their long-furred trait to their offspring.
As this process continues over many generations, the proportion of guinea pigs with long fur in the population will increase, while the proportion with short fur will decrease.
Thus, this can be expected to see change in the population as it evolves.
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Definition: This is the type of growth experienced by a population that increases at a rate proportional to
its size. The larger the population gets the faster it grows.
Example: Microorganisms in a culture dish until the food is exhausted.
Term: Type term here
Answer: sounds like an exponential growth
The rete testis Multiple Choice transports seminal fluid to the efferent ductules. receives sperm from the seminiferous tubules. is a venous network that cools the arterial blood traveling to the testis. is the site of spermiogenesis. is the nerve plexus that supplies the testis.
Answer:
Receives sperm from the seminiferous tubules.
Explanation:
The rete testis is a set of tubules that transport the sperms from the straight seminiferous tubules, the last portion of the seminiferous tubules, to the efferent ducts. Then, the sperms go to the epididymis conduct. From there, they go to the deferent conduct, then to the ejaculatory duct, and lastly to the urethra.
5. During which month does LA experience the most precipitation? The least?
Los Angeles, United States of America. Los Angeles has dry periods in May, June, July, August and September. On average, January is the most rainy. On average, July has the least rainy days.
Helppppppppppppppppp
I believe it's (C). A is DNA which is not enclosed in a nucleus ,as in prokaryotic cells
which choice would most likely reduce the amount of energy resources a person uses
A. shopping with plastic bags rather than reusable bags
B. riding bicycle instead of driving a car
C. drinking bottled water instead of tap water
D. buying new clothes instead of used clothes
Is this statement true or false?
Areas with mountains are warmer than other areas at the same latitude.
true
false
Answer:
Places at the same latitude may have very different climates if one is on a coast and one is inland. On the coast, the climate is influenced by warm moist air from the ocean. A coastal climate is usually mild. ... Farther inland, the climate is influenced by cold or hot air from the land.
Explanation:
hope this helps true
false
hope this helps
4. Which city has a more arid (drier) climate?
You asked which city has a more arid climate. You haven't given any options for what cities we are to compare.
What is the answer to number 1
Answer:
TTT GCC AGT
Explanation:
Plz help me well mark brainliest if correct!!...
Answer:
D
Explanation:
Most of the other answers don't make as much sense as getting data from past events to predict future outtakes
describe the "body " structure of a fungus
Answer:
A mass of hyphae make up the body of a fungus, which is called a mycelium (plural, mycelia). The hyphae of most fungi are divided into cells by internal walls called septa (singular, septum). Septa usually have little pores that are large enough to allow ribosomes, mitochondria and sometimes nuclei to flow among cells.
Explanation:
brainliest?
Are you the person I also gave the answer to before?
Answer:
Hyphae Fruiting structure and mycelium?
Please help, I will give lots of points ILYSM!!!
Hydroelectric power is much cleaner and safer source of energy compared to coal, instead of digging out the Earth, we simply use its natural flowing water. Using hydroelectric power also ensures we do not suffer from the smog and harmful chemicals emitted by coal powered plants. A cleaner environment ensures happier people, a healthier ecosystem, and overall a better place to live. Not all areas can harness local water systems like our Town, we are lucky to even have the opportunity to live on hydroelectric power. Due to this, we can simply use the coal we mine and sell it to other less fortunate towns, while not needing to worry about our electricity or coal economy.
1. Why is it important to treat wastewater?
A. To remove harmful contaminants
B. To prevent the spread of disease
C. To replenish our supply of clean fresh water
D. All of the above
Answer:
I think the answer is d.
Explanation:
The reason why is these all seem reasonable.
Answer:
D :) they seem to be right
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A colony of bees was observed feeding on nectar while pollinating plants. What type of ecological relationship exists between the bees and the plants?
1 Parasitism 2 Predation
3 Mutualism 4 Commensalism
Answer:
mutualisim
Explanation:
The bees benefit from the flower's nectar and the flowers benefit because they are being pollinated
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i will give brainliest pls help !!Drag each tile to the correct box.
Arrange the tiles to show the sequence of the steps in a scientific investigation.
Order:
Make an observation
Ask a question
Make a hypothesis
Test the hypothesis
Analyze the results and make conclusions
Communicate the results
Have a great day!
The subject of a source can best be described as themain topic or area of concern.most important idea in the text.tendency to view something in a certain way.way the source wants people to feel or think.
Answer:
main topic or area of concern.
Explanation:
An information source can be defined as a system or medium through which informations, knowledge and ideas may be gotten and used by an individual. An information source can either be a primary or secondary source of information. The source options for informations are television, radio, web, newspapers, journals, magazines etc.
The four criteria used to evaluate source options are;
1. Accuracy: the user of this source of information should check if the data presented are accurate and credible. At this point, you should ensure that the informations provided are well researched and cited for verification.
2. Authority: you should endeavor to know who the author and publisher of the information source is. Also, it is important to know their qualifications.
3. Currency: it is necessary to know when the information source was created or produced by the author. Also, the user of this data should verify when it was published (in the case of a book) or if it requires an update (in the case of a website). Hence, the information source should be timely.
4. Objectivity: ensure that the source of information is unbiased, reliable, and should not only contain opinions but facts.
Basically, the subject of a source can best be described as the main topic or area of concern.
Pls help me with this giving Brainly
Answer:
Helping others is the characteristics of human beings.
Explanation:
It is very important to stand up for others because helping others is the property of human beings. Those people who stand for other people and help them in their difficult situation, these people helped by the God and these people get happiness and prosperity in their life while on the other hand, those people who can't stand for other people will also can't receive help from others in difficult and needy situation. This stand also shows your courage and bravery to the opposite party.
need help on this ASAP!!
Answer:
i think is b or d. maybe is d
Compression of mortality is the extent to which an organ can preserve essentially normal function despite decreasing cell number or cell activity. Group of answer choices True False
Answer: False
Explanation:
Compression of mortality refers to the reduction over time with regards to the variance of the age of people at death.
The extent to which the organ can help in preserving normal function despite the fact that there's a reduction in the number or cell activity is referred to as compression of morbidity.
When morbidity is compressed, it should be noted that individuals can be expected to live healthier and longer as well.
Therefore, the statement is false