Answer:
Population growth, combined with other direct factors such as poverty, corruption, and weak property rights, contributes to forest loss and severe environmental degradation. Demand for forest and agricultural products to feed growing rural and urban populations will continue to put pressure on forests.
Explanation:
ow does the thermal energy of the liquid in both of the graduated cylinders differ
Answer: Matter can change from one state to another when thermal energy is absorbed or released. ... heated, it absorbs thermal energy and its temperature rises. At some point, the temperature stops rising and the ice begins to change into liquid water. The change from the solid state to the liquid state is called melting. The molecules move around very little and have a low amount of energy. ... Molecules in a liquid have more energy than molecules in a solid. And if you heat it up even more, the molecules will speed up so much that they won't be stuck together at all. The molecules in the gas have the most energy. Solid particles have the least amount of energy, and gas particles have the greatest amount of energy. The temperature of a substance is a measure of the average kinetic energy of the particles. A change in phase may occur when the energy of the particles is changed. There are spaces between particles of matter.
Hope this helps....... Stay safe and have a Merry Christmas!!!!!!!! :D
Explanation:
Watermelons may be either plain green or striped in color, the fruit may be either long
or round in shape. A watermelon plant of a homozygous long, green variety was
crossed with one of a homozygous round striped variety. The F1 plants all bore round,
green melons. Answer the following questions by filling in the blanks with the correct
number. (Use only numeric digits such as 1,2,3, etc. Fractions should be written like
3/5. Ratios should be written as 7:7 or 7:7:7:7. Answers not in these formats will be
marked wrong.)
(a) How many genotypes are possible in the F2 generation?
(b) What fraction of the F2 generation would be long and green?
(c) In the F2 generation what is the ratio of green to striped melons?
(d) In the F2 generation what is the ratio of round to long melons?
(e) What is the probability of an F2 individual being round?.
(fraction)
a. There are 9 genotypes possible in the F2 generation.
b. The fraction of the F2 generation that would be long and green is 1/4.
(c) The ratio of green to striped melons in the F2 generation is 3:1.
d. The ratio of round to long melons in the F2 generation is also 3:1
e. The probability of an F2 individual being round is the same as the proportion of round melons, so 3 out of 4, or 3/4 as a fraction.
How do we identify the genotypes for F2 generation?
The F1 plants are all heterozygous for both traits (long/round and green/striped). This means that they can produce gametes with either the dominant or recessive allele for each trait. When two heterozygous F1 plants are crossed, the resulting F2 generation will have a variety of genotypes.
a) For each trait, we have:
Homozygous dominant
Heterozygous
Homozygous recessive
So for two traits, it would be 3×3 = 9 possible combinations.
⇒ RRGG, RRGg, RrGG, RrGg, RRgg, Rrgg, rrGG, rrGg and rrgg
b. The genotype for long, green melons is rrGg. This phenotype occurs in 1 out of 9 cases. So the fraction is 1/9. or 1/4 unique
c. The ratio of green to striped melons in the F2 generation is 3:1. We determine this by considering that green is either GG or Gg, and striped is gg.
(d) The ratio of round to long melons in the F2 generation is also 3:1. We determine this by considering that round is either RR or Rr, and long is rr.
e. The probability of an F2 individual being round is the same as the proportion of round melons, so 3 out of 4, or 3/4 as a fraction. This is because three of the four possible combinations for the shape trait (RR, Rr, and rR) will result in a round melon.
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Which of the following statements best describes the effects that depressants have on the body due to its effects on the central nervous system?
Depressants slow down the activity of the central nervous system, resulting in relaxation, drowsiness, and impaired judgment, coordination, and reaction time and effect the central nervous system.
The central nervous system (CNS) is the part of the nervous system that includes the brain and spinal cord. It is responsible for integrating sensory information from the body and the environment, and controlling behavior and motor responses. It consists of neurons, glial cells, and specialized receptors. The neurons process information and transmit signals to and from other parts of the body. The glial cells provide structural and metabolic support. The specialized receptors detect and transduce information from the environment, such as light and sound. The CNS is responsible for higher-order functions such as thought, emotion, learning, and memory. It is also responsible for controlling unconscious processes such as respiration, digestion, and other involuntary functions
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which gazelle is most likely to survive and reproduce?
a) the slowest gazelle
b) in the middle of the pack
c) the fastest gazelle
d) all gazelles have an equal chance of reproducing
What would BEST account for the lack of population in the southwestern portion of Africa?
Answer:
food
Explanation:
yummy lol
Answer:
The Kalahari Desert is the BEST account for the lack of population in the southwestern portion of Africa. The Kalahari Desert is a large semi-arid sandy savannah extending for 350,000 sq mi, covering much of Botswana, parts of Namibia and regions of South Africa.
Explanation:
eh yw
Which organism is likely to carry out the process shown in the diagram?
CO, + H,O
Heat
www
Chloroplast
Mitochondrion
MASS
Respiration
OA. Barn owl
OB. Mushroom
C. Alligator
-0₂
Sugar
ATP
Answer:
C
Explanation:
took the test
characteristics of contaminated water
Contaminated water is a type of water that is harmful to human beings due to the presence of harmful substances, pollutants, or impurities that make the water unsafe for drinking or other household uses. The characteristics of contaminated water can be identified through various indicators, which can either be physical, biological or chemical.
Physical indicators are visible and may include color, taste, and odor, while biological indicators are not visible and may include bacteria, viruses, and protozoa. Chemical indicators may include heavy metals, pesticides, and organic compounds, among others.
Physical Characteristics: Physical characteristics of contaminated water include cloudy or turbid appearance, unusual taste or odor, or discoloration of the water. The color may range from yellow to brown, blue to green, or even black.
Biological Characteristics: Biological characteristics of contaminated water include the presence of bacteria, viruses, or protozoa. These microorganisms can cause diseases such as diarrhea, typhoid, cholera, and dysentery.
Chemical Characteristics: Chemical characteristics of contaminated water include the presence of heavy metals such as lead, arsenic, or cadmium. Pesticides and fertilizers can also contaminate water and affect human health. Organic compounds like benzene and toluene can also be present in contaminated water, which can lead to health problems such as cancer and nerve damage.
Therefore, it is important to test water sources regularly to identify and monitor any contaminants that may be present. This can help prevent health problems associated with the use of contaminated water.
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Higher mental functions, such as planning and complex decision making, take place in the
frontal lobe
parietal lobe
temporal lobe
occipital lobe
somatosensory cortex
Answer:
Higher mental functions, such as planning and complex decision making, take place in the
A) Frontal Lobe
Explanation:
The Frontal Lobe is responsible for initiating it's cognitive skills; thinking, problem-solving, etc. (Also just took the test and got it right)
true or false: Acetyl-CoA reacts with malate to form citrate
This question refers to the Krebs cycle, which is a sequence of reactions that occurs in the mitochondria that has as a result the storage of energy in the phosphate bonds of the ATP molecule.
The first step of the Krebs cycle is reaction between Acetil-Coa and ocaloacetate which gives as a result a molecule of citrate.
The statement is therefore false.
Which protein is found in the dead epidermal cells? *
1 point
melanin
arrector pili
keratin
dermis
Answer: keratin beacuse thats the right answer
How is soil formed?
A.
Water combines with crystals of lava, leaving rock particles behind.
B.
Volcanic eruptions release magma, which produces loose rock.
C.
Sedimentary rocks are produced when the Earth’s crust shifts.
D.
Weathered rocks mix with other surface materials.
Answer:
They are produced from rocks (parent material) through the processes of weathering and natural erosion.
Explanation:
Water, wind, temperature change, gravity, chemical interaction, living organisms and pressure differences all help break down parent material.
What are Bald eagle homologous structures
The wing of a bald eagle is homologous to the wing of a penguin. Homologous structures are structures that are of similar evolutionary origin.
How do we explain?Homologous structures are described as anatomical features found in different species that have a common evolutionary origin. These structures may have different functions in different organisms, but they share a similar underlying structure and can be traced back to a common ancestor.
The wing of a bald eagle and the wing of a penguin are considered homologous structures because they both evolved from a common ancestral structure, even though they serve different purposes which is flight in the case of the bald eagle and swimming in the case of the penguin.
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many disoryers are do to inability of an infividyal to breack foen a oarticulat chemucal
Many disorders are due to the inability of an individual to break down a particular chemical. A person who has a disease called phenylketonuria (PKU).
Which prevents them from breaking down the amino acid phenylalanine, this is one example of a person who is unable to break down a chemical in their body.
Giving a person the right enzymes can help treat these diseases. Chemicals in our bodies are broken down by enzymes, which act as biological catalysts.
Therefore, if a person is deficient in the right enzyme, that person can be cured by giving them that enzyme. Let's discuss the remaining options.
Antigens are dangerous foreign substances that have gotten inside the body. The genetic material is stored on chromosomes, which are found inside the nucleus.
Organelles are cellular structures, such as the mitochondria, nucleus, and endoplasmic reticulum, that have particular roles.
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Your question is incomplete, but most probably your full question was,
Many disorders are due to the inability of an individual to break down a particular chemical. Sometimes these disorders can be treated by giving the affected individual the appropriate
(1) enzymes
(2) antigens
(3) chromosomes
(4) organelles
25 points! Explain how the image displays photosynthesis within the ecosystem.
Explanation:
the sun give us energy to the land.the plant unsolved the sun to produced a living cells for the land.Industry gasses are send in the carbon cycleThe image shows the process of the photosynthesis and in this image sunlight comes to earth and trapped by plants and the process of photosynthesis occurs within the ecosystem.
What is photosynthesis?
The term photosynthesis is defined as the process by which green plants prepare their own food in the presence of sunlight and this is possible due to chlorophyll present in the plants. During the process of photosynthesis heat energy converted into chemical energy.
An ecosystem have been each and every organism and the relationship between the physical environment by which they interact with each other. The function of the ecosystem has to satisfy the needs of the humans by supplying them with services and goods from nature.
Ecosystem has been the branch of the science which has to deal with the study of the relationship between living organisms and natural phenomena. Ecosystem has been the system in which both living as well as nonliving organisms are present in a particular location.
Therefore, The image shows the process of the photosynthesis and in this image sunlight comes to earth and trapped by plants and the process of photosynthesis occurs within the ecosystem.
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The space between leaves on a stem is called
⦁ Discuss normality and abnormality of sex orientation among children and adolescents in a school context
The term "adolescence," which comes from the Latin "adolescent," or "to grow up," is used to describe a crucial developmental stage. Significant biological and psychological changes occur during adolescence.
Between puberty and adulthood, adolescence is a period of significant physical and psychological growth (from the Latin adolescent, "to mature") (typically corresponding to the age of majority).
Adolescence may begin or end earlier than the teenage years, despite the fact that it is often assumed to last during these years in terms of physical, psychological, or cultural aspects. Puberty now typically begins in preadolescence, especially in girls
. Particularly in men, cognitive and physical development can continue until adolescence. Only in general terms based on age can adolescence be described, and academics cannot agree on a single definition. Some definitions start and stop as early as 10 and 25 or 26 respectively
. Anybody between the ages of 10 and 19 is considered an adolescent by the World Health Organization.
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According to the 1980 Superfund Act, who is responsible for cleaning up haz-
ardous waste disasters?
A
The company who caused the disaster
B
No one, it is not important to clean up hazardous waste.
С
The local neighborhood
D
The local firefighters
In a diploid species of plant, the genes for plant height and fruit shape are syntenic and separated by 18 m.u. Allele D produces tall plants and is dominant to d for short plants, and allele R produces round fruit and is dominant to r for oval fruit. The expected percentages of progeny phenotypes are listed below:
tall oval = 41%
short round = 41%
tall round = 9%
short oval = 9%
(a) What proportion are expected to be tall and produce round fruit?
In a diploid plant species, the proportion of progeny expected to be tall and produce round fruit is 32%.
In a diploid species of plant, the genes for plant height and fruit shape are syntenic and separated by 18 m.u. The expected percentages of progeny phenotypes are tall oval = 41%, short round = 41%, tall round = 9%, and short oval = 9%.To determine the proportion of progeny expected to be tall and produce round fruit, we need to consider the alleles for each trait. Allele D produces tall plants (dominant) and allele d produces short plants (recessive). Allele R produces round fruit (dominant) and allele r produces oval fruit (recessive).From the given percentages, we can deduce that tall ovals and short ovals combined make up 9%. Since tall oval is 41% and short oval is 9%, the proportion of progeny expected to be tall and produce round fruit is 41% - 9% = 32%.Therefore, the proportion of progeny expected to be tall and produce round fruit is 32%.For more questions on diploid plant
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Where is the cell body for the preganglionic neuron found?
Some preganglionic neuron synapses with the cell body of the
postganglionic neuron in the
ganglion
These ganglia are linked together to form the
Name some of the tissue/organs are innervated by these neurons:
Other preganglionic neurons pass through the sympathetic trunk and
synapse with the postganglionic neuron anterior to the spinal cord in
ganglia.
The axons of these preganglionic neurons are called
nerves.
Name some of the tissue/organs are innervated by these neurons:
The sympathetic nervous system also send neurons directly from the
spinal cord to synapse onto the
gland.
This would cause the release of
into the
blood.
What would be some effects?
Is the sympathetic preganglionic neuron long or short?
Is the sympathetic postganglionic neuron long or short?
PARASYMPATHETIC NERVOUS SYSTEM
From where in the CNS do sympathetic neurons originate?
What cranial nerves carry parasympathetic impulses?
3
Answer:
Location of the Cell Bodies Also, the cell bodies of the preganglionic neuron are located in the brain or spinal cord while the cell bodies of the postganglionic neuron are located in the ganglion. Axons of Preganglionic and Postganglionic Neurons
an ordered sequence of events (including interphase and the mitotic phase) that extends from the time a eukaryotic cell is first formed from a dividing parent cell until its own division into two cells.
Cell cycle is an ordered sequence of events (including interphase and the mitotic phase) that extends from the time a eukaryotic cell is first formed from a dividing parent cell until its own division into two cells.
A cell cycle is the sequence of events that occur in a cell as it develops and divides. A cell spends the majority of its time in what is known as interphase, where it expands, reproduces its chromosomes, and arranges for cell division. The cell then exits interphase, goes through mitosis, and divides completely.
The cell cycle could be considered as a cell's life cycle. In other words, it is the sequence of growth and development steps that a cell goes through between "birth"—formation by the division of a mother cell—and reproduction—division to produce two new daughter cells.
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How would you explain the key concepts for the CWA in less than two minutes?
Answer:
Explanation:
vPoint Source - a source of water discharged to surface water through a discrete point - generally through a pipe, ditch, or channel.
Nonpoint Source - Nonpoint sources, such as parking lots or athletic fields, discharge runoff water to groundwater or surface water; runoff does not come from a pipe, ditch, or channel. These sources may contain pollutants such as pesticides, motor oil, and soaps.
Navigable Waters of the United States For the purposes of the Clean Water Act, the term "navigable waters" includes:
all waters used in commerce, including groundwater;
all interstate waters including wetlands, mudflats, and sand-flats; and
all other waters such as lakes, rivers, streams, wetlands and sloughs.
EPA policy states, "The majority of facilities in the U.S. have the potential to discharge to navigable waters." The Supreme Court decision in (2006) requires the Army Corps of Engineers and the EPA to determine whether there is a "significant nexus" between a navigable waterway and an area a spill might affect. In June of 2007, EPA and the Army Corps of Engineers released provisional interpretive guidance regarding the "significant nexus” question. According to this guidance, the agencies will assert jurisdiction over traditional navigable waters, wetlands adjacent thereto, and relatively permanent tributaries thereof. The agencies will generally not assert jurisdiction over swales and ditches that lack routine water flow. Finally, the agencies will apply the "significant nexus" requirement and make a case-by-case, fact-specific analysis on impermanent tributaries and other wetlands.
Additional executive orders were issued 2015 in 2019. Under the 2019 proposal, traditional navigable waters, tributaries to those waters, certain ditches, certain lakes and ponds, impoundments of jurisdictional waters, and wetlands adjacent to jurisdictional waters would be federally regulated. It also details what are not "waters of the United States," such as features that only contain water during or in response to rainfall (e.g., ephemeral features); groundwater; many ditches, including most roadside or farm ditches; prior converted cropland; stormwater control features; and waste treatment systems.
Could the requirement for one or more NPDES Discharge Permit apply to my campus?
If your campus discharges pollutants directly to navigable waters of the United States through a point source, you must obtain an NPDES permit or redirect the flow of the waste.
Stormwater releases from certain activities require an NPDES permit. The most common activities on college campuses requiring NPDES permits for stormwater are construction activities disturbing more than 1 acre, hazardous waste storage areas operating under the Resource Conservation and Recovery Act permit system, steam-generating power plants, and airports. See Stormwater section below.
Regulations issued by local water authorities, or Publicly Owned Treatment Works (POTWs), not NPDES permits, govern discharges into sanitary sewer systems. See Sewer Use (POTW) section below for more information about requirements for using POTWs for commercial or industrial waste disposal.
What do I have to do related to NPDES Discharge Permits?
Determine where wastewater flows from buildings and processes on your campus. Any industrial or commercial operation (e.g., ice rink melt pits, floor drains, and vehicle wash stations) that discharge into a water of the United States may require an NPDES permit. If required, you must obtain such a permit from the appropriate regulatory agency, probably your state environmental agency.
French drains, dry wells, and septic system leach fields are different from point source discharges because they do not immediately affect surface water. Some state and federal environmental agencies manage these systems under the Underground Injection Control program, part of the Safe Drinking Water Act. See Safe Drinking Water Act for more information.
Details of NPDES
How many orbitals are in the first energy level?
Answer:
Energy level I has just one orbital, so two electrons will fill this energy level. Energy level II has four orbitals, so it takes eight electrons to fill this energy level.
1. Nucleus
2. Cell Membrane
3. Cytoplasm
fill in the blank. two organisms are___if they share more taxonomic classification levels which f the following statements best distinguishes hyptoheses from theories in science
Two organisms are hypotheses if they share more taxonomic classification levels which f the following statements best distinguishes hyptoheses from theories in science.
There are three main hypothesis based on the research are Null Hypothesis, Nondirectional Hypothesis, Directional Hypothesis and the alternative hypothesis states that referres to relationship between the two variables that is being effected with each other.
Hypotheses are important in biology because it is used to create breakthroughs in knowledge and support scientific research. Thus it is a flow in the formulation of a hypothesis may cause a flaw in the design of an entire experiment.
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Which of the following statements describes the major reason that an individual with the genotype AaBbCCDdEE can make many kinds of gametes?
A) segregation of maternal and paternal alleles
B) crossing over during prophase I
C) different possible assortment of chromosomes into gametes
D) the tendency for dominant alleles to segregate together
The statement describes the major reason that an individual with the genotype AaBbCCDdEE can make many kinds of gametes a different possible assortment of chromosomes into gametes.
Thus, the correct answer is C.
Mendel's lаw of independent аssortment stаtes thаt the аlleles of two (or more) different genes get sorted into gаmetes independently of one аnother. In other words, the аllele а gаmete receives for one gene does not influence the аllele received for аnother gene.
Genotype is the genetic mаkeup (such аs Аа), whereаs phenotype is the expression of the genotype interаcting with its environment (such аs brown versus blаck fur). Different genes code for totаlly different protein products, whereаs аlleles аre the different forms thаt а specific gene cаn hаve.
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What do these many different combinations tell you about reproduction by meiosis ?
list and describe different type of physical and chemical weathering
Physical weathering is freeze-thaw, which finally breaks the rock, and chemical weathering processes like dissolution.
What is physical and chemical weathering?Physical weathering, when water seeps into cracks over time, freezes, and then expands, it undergoes a process called freeze-thaw, which finally breaks the rock.
Acid rain, which is brought on when carbonic acid dissolves rocks, is chemical weathering. Rocks break to generate soil as a result of other chemical weathering processes like dissolution.
Therefore physical weathering includes the breaking of rock and chemically dissolving rocks.
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answer with explanation thank you
Part A:
The genes for feather color and texture are independently assorted, with light blue being more dominant than smooth and dark blue. It appears that the characteristics for wing colour (light blue vs. dark blue) and wing texture (smooth vs. ridged) are separately assorting based on the observed ratios of offspring with various combinations of wing colour and texture.
Part B:
One theory for why lactose tolerance evolved in humans is that increased selection during famines led some individuals to have a different food supply and increased fat consumption, which offered more resources for improved fitness. These two possibilities may serve as theories for the evolution of lactose tolerance in humans. One characteristic often seen in people with a history of dairy farming is the ability to digest lactose (the sugar contained in milk) from infancy.
Therefore, the correct options for Part A and Part B are B and B &D respectively.
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A carbohydrate is an organic compound that is composed of carbon, hydrogen, and oxygen. The unique structure of carbohydrates makes them useful material for building cell walls in plants. Which of the following is a function of carbohydrates in animals?
Answer:
used to provide energy for daily activities and extra carbs are stored to be used for later purposes.
Explanation:
these carbohydrates are oxidised to release energy used for daily activities
carbs are also stored to provide energy to the body in times of hunger crisis
Why do scientists think that all modern plants,
animals, and fungi can be traced to protist
ancestors?
Answer: Scientists think that all modern plants, animals, and fungi can be trace to protist ancestors because the protists is the root of all eukaryotic diversity. yw.