Final answer:
The change in the population of peppered moths from primarily light-colored to predominantly dark-colored during the industrial revolution demonstrates directional selection, where a shift occurs towards a phenotype that provides a survival advantage in changing environments.
Explanation:
The phenomenon described with the population of peppered moths (Biston betularia) during the industrial revolution is an example of directional selection. As the industrial revolution caused the death of the light-colored lichens on trees, darker moths had a survival advantage because their coloration provided better camouflage against a sooty environment. Overtime, the percentage of dark moths increased dramatically from 1% to 90%, indicating a shift in the population's phenotype towards those better suited for their environment. This change in the color of the moth population from light to dark constitutes directional selection, where one extreme phenotype is favored over others causing a shift in the population's genetic variation over time.
These cells are typically found throughout the body tissues are called ?
Answer:
Somatic cells
Explanation:
Answer:
These cells are typically found throughout the body tissues are called?
Muscles are found everywhere in the body tissues made up of parenchyma cells
Explanation:
Question 8 of 10
3 Points
Which of these is the best example of a step in an action plan for an
improved diet?
A. Eat less fish
B. Eat more popcom.
C. Reduce the number of meals consumed at fast food restaurants.
D. Increase the number of meals consumed at fast food restaurants.
Answer:
reduce the number of meals consumed at fast food restaurants
Explanation:
it is the one that makes the most sense. the rest will get you fat.
Answer: C. Reduce the number of meals consumed at fast food restaurants.
Explanation: because this makes the most sence to me and also the rest is all fat food.
Jamie is estimating the portion of his ecological footprint that arises from the food he eats. what property of the food should he measure?
A. Its cost to jamie or his family
B. the carbon dioxide that its production adds to the atmosphere
C.the total area of land or water resources that is needed to provide & transport the food
D. the total volume of fossil fuels, fertilizer, fresh water, and other resources that are needed to provide the food
Answer:
D. the total volume of fossil fuels, fertilizer, fresh water, and other resources that are needed to provide the food
Explanation:
Jamie's ecological footprint shall be determined by the volume of ecology affecting inputs used.
For instance, the amount of clean water to be used shall impact on the water supply given that clean water is a scarce resource.
Fertilizer affects the ecology negatively by draining harmful chemical compounds into the soil, so the lesser of this used, the better the ecological footprint she leaves.
Answer:
the total area of land or water resources that is needed to provide and transport the food
Explanation:
plz answer ASAP
do you know any environment-friendly plastic substitutes that people have invented?
Summarize what happens during the light reactions of photosynthesis.
It is during these reactions that the energy from sunlight is absorbed by the pigment chlorophyll in the thylakoid membranes of the chloroplast. The energy is then temporarily transferred to two molecules, ATP and NADPH, which are used in the second stage of photosynthesis.
During the light reaction of photosynthesis, chlorophyll absorbs light and converts this energy into chemical energy in the form of ATP and NADPH.
What is the light reaction of photosynthesis?
Light reaction is the first stage of the photosynthesis process in which the light energy is converted into chemical energy in the form of molecules of ATP and NADPH. The protein complexes and the chlorophyll pigment helps in the production of NADPH and ATP.
These reactions occur within the specialized membrane discs within the chloroplast organelle which are called thylakoids and involve three main steps which are: Excitation of photosystems by the absorption of light energy. Production of ATP by an electron transport chain. And, Reduction of NADP⁺ and the photolysis of water.
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What is defined as the body’s ability to protect itself from pathogens it is exposed to?
Answer:
Skin, tears and mucus are part of the first line of defence in fighting infection. They help to protect us against invading pathogens. You have beneficial bacteria growing on your skin, in your bowel and other places in the body (such as the mouth and the gut) that stop other harmful bacteria from taking over. Hope this kinda helped
Explanation:
!00 pointzzzz!! & brainlist
see attached (only get the points if you provide both answers)
both 11 and 10 are A trust me I am a honner Science
Red-green color blindness is an X-linked recessive disorder that is passed through generations and can be traced by using a pedigree.
A pedigree is shown. Sam, Bella, Joshua, and Tim have filled-in shapes. Lisa and Monica have half-filled shapes.
Which individuals in the pedigree are identified and labeled carriers for red-green color blindness?
A. Lisa and Monica
B. Sam, Tim, Bella, and Joshua
C. Ben, Jenny, Mike, Carol, Katie, and Chris
D. Ben and Lisa
Answer:
b :))
Explanation:
If individual 14 had a child with a man who has hemophilia what is the probability that any of their children have hemophilia
a. 0%
b. 25%
c. 50%
d. 100%
can i please get some help
Answer:
There is a 50% chance that any of their children will have hemophilia
Explanation:
PLEASE HELP!
When they get cold enough, most liquids become solids. This is called freezing. The table below shows how cold it has to be for different liquids to freeze.
Freezing Points of Different Liquids Liquid Temperature vinegar 17°C vegetable oil 4°C water 0°C antifreeze -13°C Which of the following can be explained using the data in the table?
A. Vegetable oil can be used for cooking at medium temperatures.
B. Antifreeze keeps the liquid in cars' cooling systems from freezing in winter. C. Vinegar keeps pickled vegetables from going bad during the summer.
D. Water is more dense when it is liquid than when it is frozen solid.
Answer:
Either B or C
Explanation:
Antifreeze does help keep the liquid in cars cooling systems from freezing, that is why it is called ANTI-Freeze.
Answer:
the answer is b
Explanation:
Volume of Rectangular Prisms
A rectangular prism has a length of 14m, a height of 6m, and a width of 20m. What is
its volume, in cubic m?
Answer:
1,680 cm.
Explanation:
--> LxWxH.
--> 14x6x20.
Final answer:
To find the volume of a rectangular prism with dimensions of 14m in length, 6m in height, and 20m in width, you multiply these dimensions to get 1680 m³.
Explanation:
The question involves finding the volume of a rectangular prism. The formula to find the volume of a rectangular prism is to multiply its length, width, and height. Given a rectangular prism with a length of 14 meters (m), a height of 6 meters (m), and a width of 20 meters (m), the volume is calculated as follows:
Volume = Length × Width × Height
Volume = 14m × 20m × 6m
Volume = 280m × 6m
Volume = 1680 cubic meters (m³)
Therefore, the volume of the rectangular prism is 1680 cubic meters (m³).
A severe snow and ice storm strikes the town of Farmington. Due to the storm, school is canceled for the day. High school
students Sally, Sheryl, Bill, and Tyrone each get the day off.
Which of the following describes one of these students using an appropriate action plan for the severe weather occurring in
Farmington?
A.
Sally drives to the mall to shop for snow boots and a sled.
OB.
Bill drives to school to alert other students of the fact that classes have been canceled.
C.
Tyrone stays inside his home all day and urges his friends not to travel.
D.
Sheryl dresses in warm clothing and drives across town to her grandmother's house.
Answer:
C.
Tyrone stays inside his home all day and urges his friends not to travel.
Explanation:
Which of the following is NOT a carbohydrate
Glucose
Sucrose
Glycine
Cellulose
Answer:
Glycine
Explanation:
Glycine is an amino acid, not a carbohydrate.
Glycine is not a carbohydrate. Therefore, option (C) is correct.
What are carbohydrates?Carbohydrates are one of the main classes of macronutrients that are essential for the human diet. They are molecules composed of carbon, hydrogen, and oxygen in a ratio of approximately 1:2:1, and are used primarily as a source of energy in the body. Carbohydrates are found in many foods, including fruits, vegetables, grains, and dairy products.
There are two main types of carbohydrates: simple and complex. Simple carbohydrates, such as glucose and fructose, are made up of one or two sugar molecules and are quickly digested and absorbed by the body. Complex carbohydrates, such as starch and fiber, are made up of many sugar molecules and take longer to digest, providing sustained energy.
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The 10% rule in the food chain means
Answer:
Iff you start with 100,000 and go from producer to primary consumer to secondary, to tersiary, only 10% is passed on so the primary only gets 10,000
secondary only gets 1,000 nd tersiary only gets 100
Explanation:
3. The goal of meiosis is to produce gametes, or sex cells for reproduction. Each
gamete will have?
Answer:
Each gamete will have half the number of chromosomes in a regular cell, so for humans, the sex cells will have 23 chromosome halves.
hope this helps :)
Final answer:
The goal of meiosis is to produce haploid gametes, each containing half the number of chromosomes as the parent cell. This ensures that upon fertilization, the zygote has the correct number of chromosomes. Variation is introduced during meiosis through processes like crossing-over and random chromosome alignment.
Explanation:
The goal of meiosis is to produce gametes, which are sex cells essential for reproduction. The process of meiosis involves two divisions, resulting in four haploid cells, each containing half the number of chromosomes compared to the original parent cell. These haploid cells ensure that when two gametes, such as a sperm and an egg, unite during fertilization, the resulting zygote has the correct number of chromosomes for the species, typically restoring the diploid state.
During sexual reproduction, the genetic material from two parents combines to create an offspring. The introduction of variation in the produced gametes is ensured by mechanisms such as crossing-over during prophase I of meiosis, where sections of DNA are exchanged between homologous chromosomes, and random alignment of chromosomes during metaphase I. Therefore, each gamete will have one set of chromosomes, which is half as many as those found in regular body cells.
In humans, for example, gametes contain 23 chromosomes, one from each homologous pair, making them haploid. This contrasts with the typical human body cells, which are diploid and contain 46 chromosomes. The production of gametes by meiosis is critical for maintaining the genetic continuity and diversity of sexually reproducing populations.
What limits woods plant growth in tundras
Answer:
The ecotone or ecological boundary region between the tundra and the forest is known as the tree-line or timberline. ... The soil there is frozen from 25-90 cm. Therefore, it is impossible for trees to grow.
Explanation:
In physical geography, tundra is an area where the tree growth is hindered by low temperatures and short growing seasons.
I hope this helps!
Answer:
soil
Explanation:
Which statement about hydropower is correct? A. Hydropower is a renewable resource that has no impact on local ecosystems. B. Hydropower is a renewable resource that can be harmful to local ecosystems. C. Hydropower is a nonrenewable resource that has no impact on local ecosystems. D. Hydropower is a nonrenewable resource that can be harmful to local ecosystems.
Answer:D
Explanation:Hydropower is a nonrenewable resource that can be harmful to local ecosystems.
Answer:
Hydropower is a renewable resource that can be harmful to local ecosystems
Explanation:
Got it on study island
What can athletes do to increase their glucose
Answer:they can eat a high carb meal before exercising
Explanation:i know because i'm diabetic
True or false
All organisms reproduce (have children/offspring).
Answer:
true everything in the world has to reproduce to creat more either by multiplying like cells or having sexual intercourse
Which statement correctly compares the number of chromosomes in a body cell to that in a sex cell of humans?
A.) A body cell has 21 chromosomes; a sex cell has two.
B.) A body cell has 21 chromosomes; a sex cell has 23.
C.) A body cell has 46 chromosomes; a sex cell has two.
D.) A body cell has 46 chromosomes; a sex cell has 23.
Answer:
D
Explanation:
Two sex cells, the gamete and the sperm, come together to make the body cells, so the number of chromosomes for a body cell must be double that of a sex cell, 46/2=23
i hope this helps u!
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-. In which phylum does a coelom first appear?
a. Annelida
b. Mollusca
c. Nemertea
d. Phoronida
Answer:
The answer is a. Annelida
Which condition is inherited as a dominant allele?
A. albinism
B. cystic fibrosis
C. Tay-Sachs disease
D. Huntington's disease
Answer:
Which condition is inherited as a dominant allele?
cystic fibrosis
Explanation:
Cystic fibrosis is inheritable as it being from parents to offspring as a result of each parent donating the gene which is dominant
Answer:
D. Huntington's disease
Explanation:
All other options are autosomal recessive disorders.
As altitude increases, what happens to the spacing between the particles?
Answer: As altitude increases, the spacing between particles increase.
Explanation: There is less gravity when altitude increases to compact the particles together and particles are more free flowing to move around. Therefore the particles aren't as close together, increasing the amount of space in between them.
Which statements best describe the first stage of cellular respiration? Check all that apply.
-The stage happens in cytoplasm.
-The stage happens in mitochondria.
-Oxygen combines with small molecules.
-Glucose is broken down.
-Energy is released.
I WILL GIVE BRAINLIEST
Answer:
Glucose is broken down.
Explanation:
Answer:
a,d and e are the correct answers
i did the test on edge2020
Which statements describe asexual reproduction? Check all that apply
A.results in offspring with different DNA than parent
B.results in offspring with the same DNA as parent
C.requires only one parent to produce offspring
D.requires two parents to produce offspring
E.includes cell divisions that are similar to the cell divisions in meiosis
F.includes cell divisions that are similar to the cell divisions in mitosis
Answer:
B,C,F
Explanation: Asexual reproduction is reproduction without sex. In asexual reproduction it only requires one parent as the organism copies/clones itself. Mitosis is a form of asexual reproduction.
Answer:
b,c,f.
Explanation:
Pleaseee help ASAP
Students treated a population of bean plants with fertilizer. They observed that these plants, on average, were taller than another population of the same kind of bean plants that were not treated with fertilizer. These observations lend support to which of the following conclusions?
A. Not all plants respond to fertilizer the same way.
B. Fertilizer can affect the growth of bean plants.
C. Survival of bean plants is dependent on fertilizer.
D. Only fertilizer can make bean plants larger.
Answer:
B
Explanation:
Because the excessive use of fertilizer can affect the growth of the bean plant
Final answer:
Observations where treated bean plants grew taller than untreated ones support the conclusion that (option B) fertilizer can affect bean plant growth.
Explanation:
Students observed that bean plants treated with fertilizer were taller on average than those not treated with fertilizer. This observation lends support to the conclusion that (option B) fertilizer can affect the growth of bean plants. While it is possible that not all plants respond to fertilizer in the same way, the data provided specifically shows that the treated bean plants were taller. This suggests that fertilizer has a positive effect on growth, at least for this type of bean plant. It does not, however, support the conclusion that survival is dependent on fertilizer or that only fertilizer can increase plant size, as this would require further testing and data.
Which of the following may cause asthma?
Old food
Sleep
Stings
Tobacco smoke
Answer: Tobacco/Smoke
Explanation:
When it goes into your lungs, it affects you causing a way to have difficulty breathing.
2 Points
Which of these is formed when a sodium ion is attracted to a chloride ion?
O
A. An ionic compound
B. A neutral ion
C. A covalent bond
D. A charged molecule
SUBMIT
Answer:
The correct answer is A. An ionic compound
Explanation:
Sodium (metal) and chlorine (nonmetal) form an ionic bond to each other, forming the NaCl (sodium chloride) molecule. Sodium transfers an electron to chlorine, which is missing an electron to complete the octet rule.
organisms are not dependent on the abiotic factors in the enviroment. True or false?
Answer:
False
Explanation:
Abiotic factors include air,water,sunlight which all living organisms need