The correct answer should be D.) Declines in poisonous, non-edible mushroom species in cool climates. Although question B does provide evidence that Global warming could be the cause of the declines, it still doesn't disprove the theory that overharvesting could be the cause as well. Question C could be caused by a number of things, such as deforestation, a local change in climate, removal of agricultural pests, ect. Question A supports the hypothesis that overharvesting is the cause of the decline, instead of disproving it. Hope this helped!
The decline in poisonous, non-edible mushroom species in cool climates helps to exclude overharvesting as the main cause of the overall decline in mushroom species, suggesting that overarching environmental issues like global warming and air pollution are more likely causes.
Explanation:The evidence that helps to exclude overharvesting as the cause of the overall decline in the number of all mushroom species is option D) declines in poisonous, non-edible mushroom species in cool climates. This implies that overharvesting of edible mushrooms is not likely the main cause because even the non-edible (which are not harvested) are in decline. This explanation suggests that overharvesting, which would primarily affect edible species, is not the only factor. Instead, overarching environmental issues, like global warming and air pollution, which would affect all types of mushrooms regardless of their edibility, are more likely causes of the decline.
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How is momentum conserved in a system in which two satellites connect
The one satellite has all the momentum before they connect, and then afterwards they share it.
How does Digestion work?
How many trips has Earth made around the Sun in 8 mar years
The answer is; 15 years
It takes 687 days for mars to orbit the sun once. 8 mars years would, therefore, mean;
8 * 687 = 5496 days
The earth takes 365 days to orbit the sun once. Therefore, the earth will orbit the following number of times in 8 Mar years;
5496/365 = 15.058
Which is approximately 15 years
which one of these exhibits a notochord at some stage in its development.
A. a cat
B. a hydra
C. a brittle star
D. a tapeworm
Answer:
The correct answer option is A. a cat.
Explanation:
From the given options, a cat is an animal which exhibits a notochord at some stage in its development.
Cats, being a mammal, have backbones which puts them in the category of phylum Chordata and the subphylum Vertebrata. The chordates, unlike the members of other phyla, have a notochord which is formed during some stage of their development to support the body.
A. Would be your answer
Which of the following best explains why the sequence of amino acids affects a protein's shape?
the bonding within a protein depends on the sequence of amino acids
the molecular weight of a protein depends on the sequence of amino acids
the type of atoms within a protein depends on the sequence of amino acids
the number of cells within a protein depends on the sequence of amino acids.
I believe it is:
the bonding within a protein depends on the sequence of amino acids
Because proteins have multiple structures whether it is primary, secondary, tertiary, etc., and they vary based on the bonds such as dipeptide.
How the structure of a lipid influences the lipids function
Hi there,
The structure of a lipid influences the lipids function by A phospholipid has a charged head and an uncharged tail and lipids contain fatty acids and glycerol.
Lipids are excellent energy reserves.
Hope this helped :)
have a great day
Final answer:
The structure of lipids influences their function, with saturated and unsaturated fatty acids affecting membrane fluidity, phospholipids forming cell membranes due to their amphipathic nature, and steroids like cholesterol maintaining membrane fluidity.
Explanation:
The Structure-Function Relationship of Lipids
Lipids are a diverse group of compounds essential for various biological functions. The structure of lipids greatly influences their role within living organisms. One of the four major types of lipids is fatty acids, which can be saturated or unsaturated. Saturated fatty acids, due to their straight chains, can pack closely together and are typically solid at room temperature. In contrast, unsaturated fatty acids have one or more double bonds that create kinks in the chains, preventing tight packing and thus are usually liquid at room temperature. This structural difference affects the fluidity and flexibility of cell membranes.
Phospholipids have a phosphate group making their head polar (hydrophilic) and their tails nonpolar (hydrophobic), which allows them to form the lipid bilayer of cell membranes, providing a barrier and contributing to the membrane's fluid nature.
Another class of lipids is steroids, including cholesterol. The basic structure of a steroid is four interconnected rings of carbon atoms, which differ from the long chains of fatty acids. Cholesterol, for example, helps maintain the plasma membrane's fluidity by preventing the fatty acid chains from packing too closely in animal cells.
These structures enable lipids to carry out specific functions such as energy storage, insulation, and hormone production, demonstrating the critical relationship between the structure and function of lipids in living organisms.
What happened to the giant landmass that Wegener described?
The pieces remained the same shape over time.
The pieces moved quickly to their current locations.
The pieces moved toward one another and created mountains.
The pieces broke apart and drifted away from one another over time.
Answer: The pieces broke apart and drifted away from one another over time.
The theory of continental drift was proposed by geophysicist Alfred Wegener in 1912. The theory describes the splitting of a large landmass Gondawana into different sub landmasses or continents which were drifted to location other than the place where the parent landmass was situated.The evidence of the continents are the part of large landmass comes from fossils obtained from fossils of plants and animals and similarities in the composition of the rocks.
Therefore, on the basis of the above information this can be concluded that the piece broke apart and drifted away from one another over time had happened to the giant landmass that Wegener described.
Answer:
What happened to the giant landmass that Wegener described?
A.The pieces remained the same shape over time.
B.The pieces moved quickly to their current locations.
C.The pieces moved toward one another and created mountains.
D.The pieces broke apart and drifted away from one another over time.
Explanation:
D.The pieces broke apart and drifted away from one another over time.
How can an astronaut weigh different amounts when in different locations
Choose all the answers that apply.
Choose all the answers that apply.
Eukaryotes _____.
are always multicellular
are always unicellular
may have evolved from prokaryotes
have membrane-bound organelles
have a true nucleus
are more primitive than prokaryotes
Why does an orbiting satellite's speed remain constant?
Why does an orbiting satellite's speed remain constant?
A) The satellite is programmed to remain at a constant speed.
B) The satellite will constantly change direction and speed as it orbits.
C) The gravity of the earth is a parallel force which only affects direction, and not speed.
D) The gravity of the earth is a perpendicular force which, affects direction and not speed.
Final answer:
An orbiting satellite's speed remains constant because gravity acts as a centripetal force, only changing its direction without affecting speed, a consequence of conservation of angular momentum and mechanical energy in a stable orbit free from atmospheric friction.
Explanation:
The reason an orbiting satellite's speed remains constant can be best explained by Newton's laws of motion and understanding of gravity. While it's true that satellites change direction as they orbit, the force of gravity, which is directed toward the center of the Earth, only affects the satellite's direction and not its speed when in a stable orbit. This happens because gravity acts as a centripetal force, effectively pulling the satellite inward to keep it in orbit, while the satellite's inertia keeps it moving forward. This results in a constant speed since the force of gravity does not do work on the satellite to change its tangential or orbital speed.
When analyzing the behavior of satellites with respect to their orbits, we observe that their orbital velocity decreases as they move to larger orbits, whereas the change in potential energy increases, which is evidence of the conservation of mechanical energy. The speed is greatest at the periapsis (closest point to Earth) and least at apoapsis (farthest point), as the conservation of angular momentum dictates that the product of radial distance and tangential speed must remain constant.
Satellites in orbit behave in the same way that natural satellites, like the Moon, do. If they are high enough to avoid atmospheric friction, they will maintain their orbits indefinitely without additional energy input, thanks to the balance between gravitational force and their inertial motion.
Jordan notices that the bottom part of a cliff is worn away. Why is the cliff worn away the most near or under the level where the water is?
The bottom part of a cliff is worn away primarily due to erosion by water, which exerts a physical force that breaks down the rock over time.
Explanation:Jordan notices that the bottom part of a cliff is worn away the most near or under the level where the water is. This phenomenon is largely due to the process of erosion, where water flow exerts physical force on the rock, gradually breaking it down and carrying away the particles. This can create smooth surfaces and stepped pools, much like the ones seen in Pant Glas, Scotland. Over time, these forces cause more wear at the lower levels of the cliff where water has consistent contact, leading to an undercutting effect and the formation of features such as the 'The Wave' in the Vermillion Cliffs. Similar processes are observable on Mars, where gullies change with the seasons, likely due to flowing water or sediment.
Final answer:
The bottom part of a cliff is worn away the most at the level where water is due to erosion, which is caused by the constant flow and pressure of water that cuts and shapes the rock over time.
Explanation:
Jordan notices that the bottom part of a cliff is worn away the most near the level where the water is. This is primarily due to erosion, a natural process by which water flow removes soil, rock, or dissolved material from a landscape and then transports it elsewhere. As the constant flow of water interacts with the base of a cliff, it can cut the rock smooth and create features such as small stepped pools, much like the patterns that are observed in 'The Wave' Formation of Vermillion Cliffs. Over time, this erosive action can significantly wear away the rock at the water level. This is particularly evident where flowing water, like rivers or waves, has consistent contact with the rock, resulting in the undercutting and weakening of the cliff base, which can lead to parts of the cliff above to collapse or crumble as well.
How do peppered moths after the industrial revolution show the process of natural selection apex?
A.) black moths were selected for when the trees turned black.
B.) black moths were selected for when trees were white or black.
C.) white moths were selected for when the trees were white or black.
D.) white moths were selected for when the trees turned black.
Black moths were selected for when trees darkened due to pollution from the Industrial Revolution, exemplifying directional selection. So the correct option is A.
Explanation:The peppered moths after the Industrial Revolution are an iconic example of directional selection in nature. Before the revolution, light-colored moths were camouflaged against light-colored trees, making it difficult for predators to see them. However, the Industrial Revolution caused significant pollution, leading to soot covering the trees and making them darker. Because of this environmental change, the previously rare dark-colored moths became better camouflaged. As a result, black moths were selected as their chances of survival increased in these polluted environments, leading to an increase in their population. Therefore, the correct answer to the question would be A.) black moths were selected for when the trees turned black.
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is the following sentence true or false?an average star spends 90 perecent of its life as helium burning main sequence star
Answer: The answer is True!
Explanation: I have my ways ;>
Match the sphere with its correct description.
1. lithosphere
land
2. atmosphere
sky/air
3. biosphere
life
4. hydrosphere
Water
1. lithosphere - land
2. atmosphere - sky/air
3. biosphere - life
4. hydrosphere - water
You've got 'em all correct! Good job!
2 . atmosphere
sky / air
The sky is an unobstructed view upward from the surface of the earth . it includes the atmosphere and outer space . it may also be considered a place between the ground and outer space it may be also be considered a place between the ground and outer space . thus distinct from outer space .
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Which method of birth control involves hormones?
Hormonal contraception methods, such as birth control pills, skin patches, injections, and implants, release synthetic hormones to prevent ovulation. Birth control pills come in two main forms and must be taken consistently. An intrauterine device (IUD) is another highly effective hormonal method, with proper placement and use required.
The method of birth control that involves hormones is known as hormonal contraception. Hormonal methods include a variety of applications such as birth control pills, skin patches, injections, and implants. These methods work by releasing synthetic hormones such as estrogen and progesterone to prevent ovulation.
An intrauterine device (IUD) is another highly effective hormonal method with a failure rate of less than 1 percent. IUDs are inserted into the uterus to prevent the implantation of a fertilized egg or, in the case of hormonal IUDs, to release hormones.
what is common to the carbon cycle,the nitrogen cycle and the water cycle?
The carbon, nitrogen, and water cycles are all biogeochemical cycles that recycle essential elements through ecosystems, involving both living entities and environmental factors.
Common to the carbon cycle, the nitrogen cycle, and the water cycle is their role as biogeochemical cycles. These cycles are essential in recycling vital elements and compounds through both living (biotic) and non-living (abiotic) components of ecosystems. In each cycle, elements such as carbon, nitrogen, and water continuously flow between organisms and the environment, playing a crucial role in sustaining life.
For instance, the nitrogen cycle recycles nitrogen through the biosphere, essential for proteins and nucleic acids. Nitrogen becomes usable to plants and animals through processes like nitrogen fixation, which breaks down the strong triple bonds of nitrogen gas. The water cycle involves water changing states and moving between various reservoirs like rivers, oceans, and the atmosphere. Similarly, carbon is rapidly cycled through cellular respiration and photosynthesis, contributing to the carbon found in food chains. All these cycles demonstrate how interconnected the movements of elements are with the functions of the larger ecosystems.
Through what structure do plant absorb the water they need for photosynthesis
A their leaves
B Their roots
C Their stems
D their stromata
Answer:
B) Their roots
Explanation:
The bulk of water uptake by most plants is via the roots.
5) Which of the following statements describes the movement of air in general?
-from south to North
-from low pressure to high pressure
-from high pressure to low pressure
-from north to south
The best statement which describes the movement of air, in general, is that air moves from high pressure to the low pressure area. Hence, option C is correct.
What is Air?The atmosphere of Earth is referred to as air. There are several gases and microscopic dust particles in air. It is the transparent gas that all living things breathe. Its volume and shape are ambiguous. Since it is matter, it has mass and weight. Atmospheric pressure is produced by the air mass. In space, there is no air.
Approximately 78% of the gases in air are nitrogen, 21% are oxygen, 0.9% are argon, 0.04% are carbon dioxide, while there are extremely tiny amounts of many other gases. There is typically 1% or less water vapor present.
Animals need to breathe oxygen into the air in order to survive. When someone breathes, their lungs exchange carbon dioxide for oxygen in the blood.
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pls help!! WILL VOTE BRAINIEST!!!
C is the right answer :)
Which enzyme produces fatty acids and monoglycerides as a result of a chemical action?
The enzyme that produces fatty acids and monoglycerides is pancreatic lipase
Answer:
The Answer is Lipase
Explanation:
. How does temperature change with altitude in the troposphere?
The troposphere is hotter near the Earth's surface because heat from the Earth warms this air. As the altitude increases the number of air molecules decreases, the average of their kinetic energy decreases.
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In the troposphere, temperature generally decreases with increasing altitude due to fewer molecules able to absorb heat. This is represented through the lapse rate, but can vary based on factors such as weather and location.
Explanation:
In the troposphere, the layer of the Earth's atmosphere closest to the surface, temperature generally decreases with altitude. This trend is due to the nature of the gases that make up the atmosphere and how they absorb the Sun's energy. At ground level, more molecules exist and are capable of absorbing and re-emitting heat. As we increase in altitude, there are fewer molecules to absorb heat, causing temperatures to drop.A common rate used to represent this change is the lapse rate, typically around 6.5 degrees Celsius per kilometer. However, actual values can fluctuate based on humidity, weather patterns, and geographic location.
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what is the definition of glycosis?
The chemical processes that occur within a cell are affected by many factors. Optimum cell function occurs within a narrow range of conditions.
Which combination of factors would curtail cell function?
I. pH
II. density
III. salinity
IV. temperature
The factors that can potentially curtail cell function include pH, density, salinity, and temperature. Changes in these factors can cause denaturation of proteins, cell dehydration, cellular damage, and decreased resource availability.
Explanation:The functioning of a cell is influenced to a great extent by its surrounding conditions, often falling within a narrow optimal range. The factors that can potentially impact and curtail cell function include the cell's pH, density, salinity, and temperature. Cells require specific physiological pH ranges for optimal function. Deviations can cause denaturation of cellular proteins and enzymes, leading to a loss in cell function. Similarly, high salt (salinity) concentrations can lead to cell dehydration. Cells function best at a body temperature of around 37°C. At higher temperatures, cells may get damaged or die. Similarly, cellular density also impacts function, with overcrowding leading to a decrease in resource availability thereby limiting function.
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for many people in india the only source of fuel is?
the answer i think is oil
because desert would contain little organic material, their soil profiles have ___ horizons.
The correct answer is: "B - horizons or "C-horizons" .
__________________________________________________
→ primarily "B-horizons"
__________________________________________________
If there are answer choices, and there is an answer choice of:
"B-horizons or C-horizons" ; then choose this.
__________________________________________________
If there are answer choices of: "select all that apply" :
then select both: "B-horizons" ; and: "C-horizons" .
__________________________________________________
If there is an answer choice that incorporates:
"Both: "B-horizons" and "C-horizons" are correct" ;'
then choose that one.
__________________________________________________
If you can only choose one, then choose: " B-horizons " .
__________________________________________________
Note that: "B-horizons" and "C-horizons" do not necessary refer to the answer choice, per se .
Rather, as per the U.S.A. soil classification systems,
soil horizons, from the top to the bottom, are generally classfied as:
____________________________________________
O-horizon (top soil)
____________________________________________
A- horizon
____________________________________________
E-horizon (included in some cases).
____________________________________________
B- horizon (lots of nutrients).
____________________________________________
C horizon (may be rocky or sandy).
____________________________________________
Hope this helps!
Best wishes!
____________________________________________
what is condensed genetic material called?
chromosome is condensed genetic material
Condensed genetic material is called chromatin when not fully condensed and chromosomes during cell division, consisting of sister chromatids joined at a centromere.
Explanation:Condensed genetic material is called chromatin when it is not yet fully condensed into chromosomes, which occurs outside of cell division phases. During the cell division cycle and after DNA replication, this material coils and condenses further into the familiar X-shaped structures known as chromosomes. Each chromosome at this stage consists of two identical copies called sister chromatids, joined together at a region known as the centromere. It is important to note that the process of condensation is essential for the mitotic and meiotic processes that ensure genetic material is accurately divided between daughter cells.
In biology, the condensed genetic material is called chromatin or chromosomes. Chromosomes store genetic information in the form of DNA molecules. During cell division, the chromatin condenses and coils into the familiar X-shaped form of a chromosome. Each chromosome consists of two identical copies called sister chromatids, which are joined together at a region called a centromere.
WhWhat is an important function of mitochondria
An important function of the mitochondria is to create ATP (energy). The cell uses this ATP produced by the mitochondria to carry out cellular functions.
Mendelian inheritance states that traits are determined when offspring receive for each trait from . Traits can be , which means they can be seen and are capable of masking a different trait. Traits can also be , which means they can be masked. Alleles are different versions of the same in an organism.
Answers:
Mendelian inheritance states that traits are determined when offspring receive alleles for each trait from Parents.Explanation:
As per Mendel, all the traits which are present in an offspring are determined by specific genes which exist in alternate forms called alleles. For example: The height of a plant is a trait which is determined by alleles T for tall height and t for small height of same gene. The organisms acquire these alleles from parents (one allele from each parent).
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Traits can be Dominant which means they can be seen and are capable of masking a different trait.Explanation:
Dominant trait means when only a single dominant allele for the trait in an organism is enough for the organism to depict the trait. For example: In pea plant, purple flower color is a dominant trait over white. So any plant who contains only one dominant allele for purple (allele P) will have purple flowers but all plants that have two pp alleles will have recessive trait i.e White flowers.
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Traits can also be Recessive which means they can be masked.As mentioned in above example, white flower color of pea plant is a recessive trait. Recessive means that if a plant has one copy of recessive and one copy of dominant allele, the dominant allele will suppress or mask the effect of dominant allele. Example is the above case of flower color when a plant with genotype Pp will have purple but not white flowers.
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Alleles are different versions of the same gene in an organism.Alleles are just alternate forms of a gene. For example if a plant height is determined by a gene L, it has two forms capital L and small l which are alleles of same gene. But capital L is for tall height and small l is for short height.
Hope it help!
Answer:
Mendelian inheritance states that traits are determined when offspring receive
✔ one allele
for each trait from
✔ each parent
.
Traits can be
dominant
, which means they can be seen and are capable of masking a different trait.
Traits can also be
recessive
, which means they can be masked.
Alleles are different versions of the same
✔ gene
in an organism.
Explanation:
2020 edu
Which of these is a direct consequence of ozone depletion on human health?
A.High blood pressure
B.Bioaccumulation
C.Skin cancer
D.Lead poisoning
C. Skin Cancer
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How do rock types contribute to the rate of weathering?
Porous minerals weather faster.
Harder minerals break apart more easily.
Minerals that dissolve easily weather slower.
Permeable rocks have less chemical reactions.
The correct answer is that porous minerals weather faster.
The process of weathering alter and disintegrates the rocks and minerals closer to or at the surface of the Earth. This process shapes the Earth's surface. The three kinds of weathering comprise biological, mechanical, and chemical. Weathering dissociates apart and erodes rocks and minerals.
The rocks are the symbols of strength and durability. The rocks are usually resilient to weathering. This confrontation relies on the mineral composition and mineral porosity. The physically soft or porous minerals are easily crushed and dissociated, while in case of harder minerals it is quite tough.
Answer: the answer is a
Explanation: