Answer:
Like the human body, the bicycle relys on other things to keep moving. For example, in order for the bicycle to keep moving, the rider needs to have legs and be able to push the pedals foreward. In order to breath, the body needs to have lungs and those lungs depend on the heart to pump blood throughout the body. The lungs rely on the heart and your brething relys on your lungs. Hope this helped, brainliest always appreciated.
Explanation:
40 POINTS AND BRAINLIEST FOR THE FIRST RIGHT ANSWER
Which electromagnet is the strongest?
number 3 is the strongest electromagnet
Answer:
The second one
5) Why is mimicry a helpful adaptation?
6) Why might a predator stay away from an animal with warning coloration?
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A scientist has a very small sample of DNA. To analyze the DNA, which would be the MOST USEFUL first step for the scientist to follow?
A. Use restriction enzymes to make multiple copies of the DNA.
B. Use the polymerase chain reaction (PCR) to make multiple copies of the DNA.
C. Transfer the DNA into bacteria, and allow the bacteria to be replicated many times.
D. Use restriction enzymes to cut the DNA into many small pieces.
The correct answer is option (B).The most useful first step for analyzing a very small DNA sample is to use the Polymerase Chain Reaction (PCR) to make multiple copies of the DNA. PCR allows for rapid amplification of DNA, providing sufficient quantities needed for subsequent analyses like restriction enzyme digestion and gel electrophoresis.
To analyze a very small sample of DNA, the most useful first step is to use the Polymerase Chain Reaction (PCR). PCR is a widely used technique in molecular biology that permits rapid amplification in the number of copies of specific DNA sequences. This method follows the principles of DNA replication, allowing for the exponential increase of DNA in a short period to generate large quantities necessary for analysis, making it extremely useful in various applications such as research, forensic investigations, and clinical diagnostics.
Restriction enzymes are used to cut DNA into pieces based on specific sequences, which can then be analyzed using gel electrophoresis. However, without enough copies of DNA, restriction enzyme digestion is not viable. Inserting DNA into bacteria is another method of DNA amplification but is more time-consuming compared to PCR.
The carbon cycle consists of a number of biotic (living) and abiotic (nonliving) factors that act as carbon reservoirs, or locations where more carbon is stored than released. Carbon travels constantly from reservoir to reservoir, sometimes stopping for a very long time and sometimes stopping for only a short time. Which of the following are abiotic carbon reservoirs?
(choose all that apply)
oceans
animals
atmosphere
fossil fuels
sun
decomposers
Answer:
Fossil fuels
Atmosphere
decomposers
Explanation:
The following are abiotic carbon reservoirs: oceans, atmosphere, fossil fuels, and the sun. As abiotic substances don't reproduce like animals and plants, while biotic organisms can,
What is the carbon cycle?The carbon cycle is the process by which carbon is exchanged among the Earth's atmosphere, oceans, land, and living organisms. Carbon is constantly moving between these reservoirs through various processes, such as photosynthesis, respiration, and decomposition. Abiotic (non-living) reservoirs are locations where carbon is stored, but there is no biological process associated with them. The carbon cycle maintains the rate of photosynthesis too.
Hence, the following are abiotic carbon reservoirs: oceans, atmosphere, fossil fuels, and the sun. As abiotic substances don't reproduce like animals and plants, while biotic organisms can,
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the boa constrictor in the Everglades is an example of what species that is impacting local species
Answer:
invasive
Explanation:
Answer:
a invasive species
Explanation:
What breaks down and provides the body with glucose?
When the stomach digests food, the carbohydrate (sugars and starches) in the food breaks down into another type of sugar, called glucose. The stomach and small intestines absorb the glucose and then release it into the bloodstream.
just FYI you can look up these answers in google
Carbon cycles in nature can be balanced, so the concentration of CO2 in the atmosphere stays relatively constant. However, if the total amount of trees and other plants increased worldwide, CO2 levels in the atmosphere would decrease. Explain why.
Answer:
During Northern Hemisphere spring and summer months, plants absorb a substantial amount of carbon dioxide through photosynthesis, thus removing it from the atmosphere and change the color to blue (low carbon dioxide concentrations).
I honestly don't know if this helps or not
Uri tests a material and determines
that it is a mineral. Which of these
observations supports his
conclusion?
The material was found underground.
The material was not a solid.
The material was made of crystals.
The material was heavy.
Answer:
Explanation:
The properties of a mineral include
A definite chemical composition and crystal structure
Created through Inorganic processes
Solid
These are the main differences between rocks and minerals
Photosynthesis equation?
Answer:
6CO2 + 6H20 + (energy) → C6H12O6 + 6O2
Explanation:
Carbon dioxide + water + energy from light produces glucose and oxygen.
Answer:
6CO2 + 6H20 + (energy) → C6H12O6 + 6O2 Carbon dioxide + water + energy from light produces glucose and oxygen.
Explanation:
Which food chain is part of this food web?
A. Kelp – phytoplankton – plants
B, Kelp - sea urchin - sea otter - bald eagle
C. Bald eagle
rat - plants
D. Phytoplankton - zooplankton - rat - sea gulll
Answer:
B. Kelp - Sea Urchin - Sea Otter - Bald Eagle
Explanation:
Following the arrows shows what eats what. B is the only answer that follows the arrows, and it only ever goes up, never down as seen in C.
Which two sentences describe ways that populations might be harmed by floods?
A. Organisms that thrive jn moist conditions have more places to live
B. Animals who’s shelters are on land drown while the land is under water
C. Plants that were living in soil that is washed away are killed
D. Animals that lay eggs in water have more chance to reproduce.
Answer:
I'm not sure but in my condition the answer is a
Answer:
B. Animals who’s shelters are on land drown while the land is under water
C. Plants that were living in soil that is washed away are killed
Which adaptation would be beneficial to a desert plant?
A. Fleshy leaves that store water
B. Porous leaves that lose water easily
C. Vines that grow up tall trees
D. Flat leaves that maximize light absorption
What is heat?
A. Temperature
B. Thermal energy
C. Electricity
D. Electromagnetic energy
What change (or transition) in habitat did whales' ancestors make?
Answer:
Change in habitats from land to sea.
Explanation:
Herbicides are non-selective for what type of use?
O Golf courses
O Garden
O Yards
Industrial
Answer:
this is some useful info you could use!
Explanation:
Pre-emergent herbicides are used to stop the germination of plant seeds. A non-selective herbicide tries to kill most plants while a selective herbicide is designed to kill specific types of plants, usually grasses or broad leaf weeds.
But the answer is yards:::::::::
Examine the molecular models of two different substances below. In the
molecule on the left, the electrons are not shared equally. In the molecule on
the right, the electrons are shared equally.
Water molecule, H20 Oxygen molecule, O2
What is the result of mixing the two substances shown here together?
A. They are not attracted to each other, because water contains an
ionic bond.
O
B. They are attracted to each other, because they are both polar.
O
C. They are attracted to each other, because they are both nonpolar.
O
D. They are not attracted to each other, because one is polar and one
is nonpolar.
Answer:
D.
Explanation:
They are not attracted to each other because one is polar and one is nonpolar
The result of mixing the two substances shown here together is D. They are not attracted to each other, because one is polar and one is nonpolar. Thus, option "D" is correct.
What are polar and non-polar substances?
The polar group is hydrophilic in nature (water-loving) and the non-polar group is hydrophobic in nature (water-repelling).
The polar/non-polar nature of a substance is useful that it can dissolve the non-polar substances by the polar part and also can dissolve the polar substances by the non-polar part. It is commonly used in detergents and soaps.
Thus, option "D" is correct.
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which of the following is not an example of homeostasis? A. after plunging into icy cold water Gary's core body temperature rapid drops. B. while exercising Julie has heart rate and breathing increase the balance to increase oxygen used by her muscle cells. C.on a hot day Martin doesn't drink very much water heater kidneys respond by removing very little water from his blood resulting in yellow concentrated urine. D.after eating a candy bar April's pancreas secretes insulin causing extra blood sugar to be removed PLZ ANSWER QUICKKKK
All the options except A are examples of homeostasis, where the body maintains internal stability. In option A, Gary's temperature drops rapidly due to the icy water, which is a failure to maintain homeostasis.
Explanation:Homeostasis refers to the process of maintaining a stable internal environment within an organism, despite the changes in external conditions. The body's various systems engage in a constant dance of adaptation and recalibration, keeping key factors like temperature, glucose levels, and water content steady. Failure to do so can lead to detrimental health effects, or in severe cases, possibly death.
Among the options you mentioned, A. 'after plunging into icy cold water Gary's core body temperature rapid drops' is not an example of homeostasis. This is because homeostasis involves maintaining internal equilibrium. In this case, Gary's body temperature is rapidly dropping due to the icy water, rather than being maintained at a stable level.
Option B, C, D describes the body's efforts to maintain stable heart rate, hydration, and blood sugar levels respectively – all of which are examples of homeostasis.
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Which snake adaptation best helps it to survive in its community?
A loss of species diversity in the oceans would MOST LIKELY result in a shortage of which of these? A) food B) medications C) minerals D) mountains
First answer receives brainliest!!!!
Which letter(s) indicate a warm ocean current?
P.s- the pic goes with the question
Answer:
B
Explanation:
Why is temperature important to ocean water? HELP ASAP WILL MARK BRAINLIEST!!!!
1. Explain, in your own words, the importance of recycling cellular material instead of
just throwing it away. In your response, relate recycling by the lysosome to
recycling plastic products.
please answer asap and with more than one sentance
Answer:
By recycling, it is possible to save a significant amount of energy that would otherwise be used to synthesize cellular structures.
Explanation:
Similarly to the function of lysosomes, the recycling process of plastic can help to save energy. The lysosomes are organelles that contain lytic enzymes that help to degrade cellular components, which is a necessary step before recycling these structures.
The last section of the article shows the severity of ocean acidification and it’s devastating effects on marine and human life by:
A.stating several facts
B.making a comparison
C.providing a detailed image
D.asking rhetorical
The last section of the article likely demonstrates the severity of ocean acidification by potentially employing methods like stating facts, making comparisons, providing images, or posing rhetorical questions. Ocean acidification, mainly caused by atmospheric CO2, has grave implications for marine ecosystems and human life.
Explanation:The student's question is referring to how the severity of ocean acidification is portrayed in the last section of an article. Highlighting the article's strategy for conveying the impact on marine and human life could involve different methods. For instance, presenting several facts would offer hard data illustrating the effects, while a comparison might show the contrast between the present state of oceans to past conditions. Providing a detailed image could visually depict the damage, and utilizing rhetorical questions might engage the reader to think critically about the issue.
Ocean acidification is a significant global issue caused primarily by atmospheric CO2 dissolving in ocean water. This results in a lower pH value in oceans, making them more acidic, and adversely affects many marine species by reducing the availability of calcium carbonate, crucial for building shells and skeletons. If CO2 concentrations continue to rise, corals and other marine life could face severe declines, impacting marine ecosystems and the humans who rely on them.
how do you feel about using solar panels?
A scientist was studying how a specific virus infects skin cells. In a lab, the scientist exposed a group of skin cells to the virus. Over
time, the number of living skin cells in the group decreased.
Which statement explains why this change occurred?
A.
Viruses reproduce before they enter cells, and the new viruses infect these cells.
B.
Viruses eat living cells to provide energy for reproduction.
C.
Viruses reproduce inside of their host cells, eventually killing the cells.
D.
Viruses reproduce outside of cells, creating harmful chemicals that kill the cells.
What cell type must enter a female clams body in order for glochidia to form
Answer:
Sex cells or reproductive cells
Explaination:
Freshwater clams are hermaphrodites and produce both eggs and sperm.
So the freshwater clams reproduce by releasing their reproductive cells (sex cells or gametes) into the water column. The sex cells then enters the female clams body and undergo internal fertilization and produces glochidia. The glochidia then released in the surrounding water.
Hence, the sex cells are responsible for the reproduction of female clams.
DNA is also a ___________ ___________, which means it is composed of thousands of subunits called ________
Will the carbon atom's journey ever end?
Yes, it will eventually be used up
No, it will continue cycling through the Carbon cycle forever
Yes, it will eventually run out of energy
The journey of a carbon atom is a continuous cycle. It doesn't end or run out of energy but continues to be recycled in the Carbon cycle.
Explanation:The journey of a carbon atom through the carbon cycle is considered to be an ongoing process that continues indefinitely, not something that ends. This is because the carbon cycle is a closed system with carbon continuously being recycled from the atmosphere, into living organisms, and back again. It is important to note that a carbon atom doesn't 'run out of energy', instead it is transferred and transformed through various chemical reactions during its journey through the cycle.
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A snake that escapes into an ecosystem with a range of temperatures it cannot tolerate well is an example of a(n) _____.
A. invasive species
B. keystone species
C. introduced species
D. extinct species
Answer:
c
Explanation:
A snake that escapes into an ecosystem with a range of temperatures it cannot tolerate well is an example of an introduced species (Option C).
What is an introduced species?An introduced species is a species that has been introduced into a new ecosystem, generally by human activities.
In general, introduced species are not well adapted to the new environmental conditions after introduction.In conclusion, a snake that escapes into an ecosystem with a range of temperatures it cannot tolerate well is an example of an introduced species (Option C).
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A photoautotroph uses what for energy?
A. meat - it's a carnivore
B. plants - it's a herbivore
C. chemical energy - chemosynthesis
D. light energy - photosynthesis
Answer:
D. light energy - photosynthesis
Explanation:
Answer:
D
Explanation:
Light energy photosynthesis because they make their own food!