What is vasoconstriction in biology?
Answers
Answer:
Vasoconstriction is the narrowing of the blood vessels resulting from contraction of the muscular wall of the vessels.....
Explanation:
PLS MARK ME BRAINLIEST
and wdym biology !? lollll
Answer:
Vasodilation is the widening of your blood vessels. It happens when smooth muscles found in the walls of arteries or large veins relax, allowing the blood vessels to become more open. This leads to an increase in blood flow through your blood vessels as well as a decrease in blood pressure.:
Related Questions
Which parts of the compound light microscope can be used to improve the quality of the image being observed?
a.) diaphragm and fine adjustment
b.) ocular and high power objective
c.) coarse adjustment and low power objective
d.) ocular and diaphragm
Answers
a.) diaphragm and fine adjustment
or
d.) ocular and diaphragm
but i’m leaning more towards a.)
Infectious Disease Investigation
The students are to investigate an infectious disease.
They will choose a specific infectious disease, such as the flu, common cold, or
COVID-19, and research its causes, symptoms, and preventive measures.
Students are to create informative posters or presentations about the disease,
including its transmission methods and ways to protect oneself from infection.
They will explain the importance of personal hygiene and vaccination in preventing
the spread of infectious diseases.
Following the summer vacation, the students will be given an opportunity to present
their findings to the class or organize an "Infectious Disease Awareness Campaign"
where they can share their posters or presentations with their peers.
Answers
Answer:
The common cold is an illness affecting your nose and throat. Most often, it's harmless, but it might not feel that way. Germs called viruses cause a common cold.
Often, adults may have two or three colds each year. Infants and young children may have colds more often
Please help!!!!
Ill give brainliest to correct answer!!
Answers
Based on these images, what can you say about the tentacles of an octopus and the limbs of a lizard?
Answers
Answer: 4
Explanation:
Which of the following describes the feeding relationships from one organism to the next in a linear path?
Food chain
Trophic level
Food web
Consumer chart
Answers
Answer:
Food chain is the correct answer
Scorpions belong to which group of arthropods?
millipedes
insects
arachnids
centipedes
Answers
Answer:
C. Arachnids
Explanation:
Scorpions are members of the class Arachnida and are closely related to spiders, mites, and ticks.
The phylum of arthropods is the largest phylum, with more than 875,000 identified species. There are more types of arthropods on Earth than of all other animals combined. The major groups of arthropods are arachnids, centipedes, crustaceans, insects, and millipedes. Spiders, mites, ticks, and scorpions are arachnids.
Which of the following best identifies a way in which organs in an organism are similar to organelles in a cell?
A. Both are made of tissues.
B. Both carry out specific functions.
C. Both carry out chemosynthetic reactions.
D. Both are found in single-celled organisms.
Answers
Answer:
A
Explanation:
Both are made of tissues.
The organs in an organism and organelles in a cell both are similar as they both are made up of tissue. Thus, option A is correct.
What is tissue?The tissue is defined as a group of cell added together to form a tissue present in body and plays a vital role in covering of all internal as well as external area and organs of body, hollow organs and body lines cavity.
The structure of epithelial cells are they combined together by fitted junctions as well as adhering junction and attached to extra cellular matrix.
Tissue is the compact structure of cell and later tissue combined together to form organ and than organ system is formed to perform various functions of the body.
Therefore,the organs in an organism and organelles in a cell both are similar as they both are made up of tissue. Thus, option A is correct.
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Study the five generations of the prey population. Compare the first generation with the second generation. What changes occurred, if any? Compare the first generation with the third, fourth, and fifth generations. What changes occurred? Propose an explanation for your results.
Answers
Soil nutrients play an important supporting role in ecosystems, which cannot function without these vital components. Practices such as planting more vegetation, building retaining walls, and preventing water runoff contribute toward maintain healthy soil nutrient levels. Why are practices like these important, and how do they benefit the ecosystem?
How can you apply this to your life and make the world a better place?
Your answer must be at least 3 complete sentences.
Answers
Answer:
In addition to providing nutrients and habitat to organisms living in the soil, organic matter also binds soil particles into aggregates and improves the water holding capacity of soil. Most soils contain 2-10 percent organic matter. However, even in small amounts, organic matter is very important.Soils supply the essential nutrients, water, oxygen and root support that our food-producing plants need to grow and flourish. They also serve as a buffer to protect delicate plant roots from drastic fluctuations in temperature.
Explanation:
What is meant by the reference to the earth being an "isolated" planet?
All of the elements of the earth are retained.
The only thing entering and leaving the earth is energy.
The earth is losing mass (elements).
The earth is gaining mass (elements).
(multiple choice)
Answers
Answer:
B
Explanation:
the answer is B: The only thing entering and leaving the earth is energy.
PLEASE HELP ME ASAP
Which of the following processes adds water vapor to the atmosphere?
A.
photosynthesis
B.
evaporation
C.
weathering
D.
condensation
Answers
Answer:
Evaporation
Explanation:
*-*-*-*-**-*-*-*-*-*-*
When the sun gets hot, water from any lakes, oceans, rivers, or any part with a large body of water evaporates.
This means that water turns into a gas form called "water vapor" that rises into the atmosphere.
Hope this helps <3
Explanation: I’m confident in my answer
Please answer question.
Answers
Answer:
Yes
Explanation:
Because they are being helpful so that te other wolfs don't get attacked over the food.
50 POINTS!
Energy is transferred into the ecosystem when
1.when bacteria absorbs nitrogen from other organisms
2. dead organisms decay and form organic matter
3. rodent prey on invertebrates
4.plants grow from the soil
Answers
Answer:
2
Explanation:
Energy is transferred between organisms in food webs from producers to consumers.
The energy is used by organisms to carry out complex tasks. The vast majority of energy that exists in food webs originates from the sun and is converted (transformed) into chemical energy by the process of photosynthesis in plants.
Answer: between organisms in food webs from producers to consumers.
Explanation:
The grains in sedimentary rocks are often ______________ during erosion
Answers
Answer: Droped
Explanation: Weathering breaks it, Erosion takes it, Depiction drops it
Answer: sediments
Explanation:
The Florissant Fossil Beds in Colorado are home to several massive redwood stumps that were subjected to a special kind of fossilization millions of years ago. What service could these fossilized stumps most likely provide? (Worth 15 points)
Please answer ASAP
1. tourism
2. shelter
3. lumber
4. soil creation
Answers
The most likely service that these fossilized stumps could provide is tourism. Since they are rare and significant specimens of ancient plant life, they attract visitors from all over the world who are interested in paleontology and natural history. While they may have been useful for lumber or shelter in the past, they are now protected as part of a national monument and cannot be harvested or used for those purposes. As for soil creation, while the presence of the stumps and associated plant and animal fossils can provide insights into past ecosystems and environmental conditions, they do not actively contribute to the creation of new soil.
Does the pattern in a food chain support the conclusion that climate change is caused by human activity and deforestion? Why or Why not?
Answers
Answer: No, it does not directly.
Explanation:
The pattern in a food chain cannot directly support the conclusion that climate change is caused by human activity and deforestation, as food chains only describe the transfer of energy and nutrients between different organisms in an ecosystem. However, the impacts of climate change and deforestation can disrupt food chains and have cascading effects on ecosystems, which can ultimately lead to the extinction of certain species and the loss of biodiversity.
Human activities, such as burning fossil fuels, deforestation, and agricultural practices, contribute to the emission of greenhouse gases, which trap heat in the atmosphere and cause global temperatures to rise. This increase in temperature can have a range of effects, including changes in precipitation patterns, rising sea levels, and more frequent and intense extreme weather events.
These changes can disrupt the habitats and food sources of many species, causing declines in their populations and even extinction in some cases. For example, deforestation can lead to the loss of habitat for many species, including those that are important components of food chains. Additionally, changes in precipitation patterns can affect the growth of plants and the availability of food for herbivores, which can then impact the populations of predators that depend on these herbivores for food.
In summary, while the pattern in a food chain itself does not provide direct evidence for the causes of climate change, the disruption of food chains and ecosystems due to human activities and deforestation can contribute to climate change and its impacts.
No, a food chain's pattern does not conclusively prove that human activity and deforestation are to blame for climate change.
The pattern in a food chain does not necessarily prove that human activity and deforestation are to blame for climate change. Natural processes, greenhouse gas emissions, changes in land use, and other factors are only a few of the many influences on the complex phenomenon known as climate change. While human actions like burning fossil fuels can raise greenhouse gas concentrations and deforestation can lessen carbon sinks and release stored carbon into the atmosphere, these factors cannot simply be attributed to the pattern in a food chain.
A thorough examination of the diverse scientific facts and evidence from numerous disciplines, such as atmospheric sciences, climatology, and earth sciences, is necessary to comprehend and handle climate change.
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Which layer is between the mesosphere and the inner core?
a. Asthenosphere
b. Crust
c. Lithosphere
d. Outer Core
Answers
Answer:
Lithosphere
Explanation:
The crust is the top layer, so it can’t be that
1.) The scientific name always consists of two words:
Group of answer choices
Genus and species
Family and species
Species and kindom
Domain and species
2.) Puma concolor is the scientific name for an American Mountain Lion, what is the species?
Group of answer choices
Puma
concolor
mountain lion
American mountain Lion
Answers
2.Puma
I'll give brainliest for a correct answer, Carbon was the most common element found in the moons and planets, what element is missing that would make them similar to Earth? Explain why
Answers
A closed system is a system in which
(a) Matter can enter and leave
(b) Matter can enter but cannot leave
(c) Matter can leave but cannot enter
(d) Matter does not enter or leave
Answers
Answer:
B - Matter can enter but cannot leave
Explanation:
I looked it up, sorry if wrong
Select the sentence from the article that suggests that a metamorphic rock was once another type of rock.
(A) In geology, pictures of rocks can be used to help you best determine which of the three major types a
particular rock belongs to: igneous, sedimentary or metamorphic.
(B) Metamorphic rock formation occurs when sedimentary or igneous rock becomes changed, or
metamorphosed, by conditions underground.
(C) Most of the thousands of rare minerals known to science occur in metamorphic rock.
(D) Common examples of metamorphic rock include: marble, phyllite and serpentinite.
Answers
help me pls (no links or get banned)
Answers
Answer:
Explanation:
For number 1a it is water, for 1b it is the plant height
2a is acid rain and 2b is the fish population
2a acid rain 2b fish population
(Daily Question) If you were to choose what animal you would be what would the animal be? Comment your answers too!
Answers
Monkey
we are most similar to them but smarter so i think it would be fun to kinda relearn how to do basic stuff like making tools, since some monkeys can make stuff with a simple rock. AND OF COURSE TO SWING!!!
( 1 Point ) At certain times of the year, five planets can be seen from earth, including mars and
A. Juno
B. Neptune
C. Saturn
D. Uranus
( please don’t be inappropriate with option D )
Answers
At certain times of the year, five planets can be seen from the Earth in alignment. These are Mercury, Venus, Jupiter, Mars, and Uranus. So the correct option is option D.
When does the alignment of five planets occur and be seen in the sky?
Such a planetary alignment takes place when the planets come together on one side of the sun at the same time. This alignment occurs as a result of five planets coming in one line in the sky. These planets can be seen with the unaided eye and do not require a telescope to be seen from the Earth. This is because these planets are the brightest planets.
These planets change positions and go through certain phases where they can be sighted from the Earth except for Uranus which can be seen using a telescope in the evening sky. Uranus is the seventh planet in the solar system.
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Based on your knowledge of scientific laws and theories, which of the following Is true?
A theory can never change, whiles law changes often
A theory is supported by a single researcher, and laws must be supported by separated groups of researches
A theory is an explanation for a broader concept than a law
Answers
What are the characteristics of vitamins and minerals? (Select all that apply.)
They help your immune system fight disease.
They are produced inside the body.
They are gained by the body by eating.
They help the body get energy.
Answers
Answer:
all above
Explanation:
btw those vitamin c gummies are bomb
The characteristics of vitamins and minerals are they help your immune system fight disease and they help the body get energy.
What are the functions of vitamins and minerals?Vitamins and minerals help us fight infections, heal wounds, build strong bones, and regulate hormones, among other bodily functions. Nutrients and minerals can cause harmfulness whenever consumed in enormous sums.
Vitamins and minerals are essential for healthy growth and development in children. A variety of foods from each of the five food groups can provide vitamins and minerals to children.
In contrast to other dietary components known as macronutrients (such as fats, carbohydrates, and proteins), which are the compounds utilized in the reactions regulated by the vitamins, the vitamins regulate reactions that occur in metabolism.
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Some organisms can reproduce both sexually and asexually, explain why this strategy would be beneficial.
Answers
Answer:
The benefits of sexual reproduction:
In the offspring, genetic variation produces
Due to variation, the species can adapt to new environments, giving them a survival advantage.
a disease is less likely to affect all the individuals in a population
Explanation:
Which type of biotechnology would be used by scientists who use the egg cell of an endangered animal to increase the population of the animal?
Genetic engineering because the genes of the animal would be modified
Genetic engineering because it is always helpful for the environment
Cloning because offspring that are exact copies are produced
Cloning because offspring would be produced in a few hours
Answers
Answer:
the 3rd option: Cloning because offspring that are exact copies are produced
Explanation:
Biotechnology is a field of science that comprises biology combined with technology. It utilises the living system with the technology to build products.
The correct answer is:
Option C. Cloning because offspring that are exact copies are produced.
This can be explained by:
Cloning is a mode of reproduction in which the replica of the parent is produced as offspring.The genetic content of the offspring is the same as that of the parent. Hence all the traits and the characters remain preserved.Therefore, for deliberately producing the endangered species cloning technique can be employed.
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HEEELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
Answers
Answer:
30. L
31. R
32. R
33. L
34. L
Answer:
\(30)\blue{100cm = 1m}\)
\(\boxed{\blue{ = L}}\)
\(31)\green{1Mm = 1000000m}\)
\(\boxed{\green{ = R}}\)
\(32)\pink{1km = 1000000mm}\)
\(\boxed{\pink{ = R}}\)
\(33)\purple{1000micro \: \: \: meter} \\ \purple{ = 1mm}\)
\(\boxed{\purple{ = L}}\)
\(34)\red{1000000mm = 1km}\)
\(\boxed{\red{ = L}}\)
The ocean is one of Earth’s biomes. A biome is an area that is characterized by the plants and animals that live there. There are five major oceans—the Atlantic, Pacific, Indian, Arctic, and Southern—that are all connected in what is known as the World Ocean. The ocean, sometimes called the marine biome, is huge, covering 70% of the Earth’s surface. However, humans have only explored about 5% of it. Scientists know less about the ocean than they do about the dark side of the moon. In this way, the ocean is considered the Earth’s final frontier.
Which of the following is true?
A
The Atlantic, Pacific, Indian, Arctic, and Southern Oceans are completely separate from each other.
B
The ocean covers about half of the Earth’s surface.
C
Scientists have studied most of the ocean, but a tiny bit remains unexplored.
D
Scientists know more about the moon than they do the ocean.
Answers
The statement that scientists know more about the moon than they do about the ocean is true. Therefore, the correct option is D.
While the ocean covers a significant portion of the Earth's surface, human exploration and understanding of its depths are still limited. Only about 5% of the ocean has been explored and studied, leaving a vast majority uncharted.
In contrast, scientific missions, including manned and unmanned missions, have provided substantial information about the moon's geology, surface composition, and other characteristics.
This knowledge is largely due to the numerous space exploration missions that have been conducted over the years, allowing scientists to gather data and insights about the moon's features and history.
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