Answer:
The concept of carrying capacity is that an ecosystem can only support so much life while keeping in balance because there are a limited number of resources.
Which statement correctly describes the relationship between frequency and wavelength?
A :As the frequency of a wave increases, the longer its wavelength is
B: As the frequency of a wave increases, the shorter its wavelength is.
C: As the frequency of a wave increases, its wavelength remains the same.
Answer:
It's B: As the frequency of a wave increases, the shorter its wavelength is.
Explanation:
Thanks
Answer:
B: As the frequency of a wave increases, the shorter its wavelength is.
Explanation:
When the structure of genes is changed, a change to the structure or function or proteins of a protein can result. This is called a mutation. Which event represented a mutation?
Explanation:
DNA is a dynamic and adaptable molecule. As such, the nucleotide sequences found within it are subject to change as the result of a phenomenon called mutation.
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what does it mean for a cell membrane to be selectively premeable? a. it blocks the passage of most substances b. it allows only water molecules to pass through it c. it allows molecules to pass through if they are under a certain size d. it allows some substances to pass through but blocks the passage of others
d. it allows some substances to pass through but blocks the passage of others
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
Ways on how earth is affected by climate change and ways to fix those problems
Answer:
ways on which earth is affected by climate change.
1. Global warming
2. Air pollution
3. Water pollution
4. Desertification
5. Deforestation
ways to fix those problems
1. Renewable energies: Changing our main energy source to clean and renewable energy. Solar, wind , geothermal and biomass could be the solution.
2. Suitable transportation: Our transport methods must be aligned with environmental requirements and reduce their carbon footprint.
3. Waste management and recycling.
Which option describes a benefit of sustainable agriculture?
aquifers are depleted faster
farmland becomes overgrazed
more cropland is used
soil erosion is reduced
The option that describes a benefit of sustainable agriculture is ; ( D ) soil erosion is reduced
What is soil erosionSoil erosion is the gradual removal of soil particles which leads to the washing away of soil nutrients. soil erosion is caused by the negative impact of floods ( water and wind ).
The reduction in soil erosion is a benefit of sustainable agriculture. While The depletion of aquifers and the overgrazing of farmland are not benefits of sustainable agriculture.
Hence we can conclude that a benefit of sustainable agriculture is soil erosion is reduced.
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Answer:
soil erosion is reduced
Explanation:
K12
What percentage of the world does not have access to clean fresh water?
15%
15%
25%
25%
40%
40%
35%
Answer:
25% of the world does not have access to clean fresh water.
Explanation:
ME IS SMART
Problems With Overgrazing
Which table shows the expected phenotypes of offspring resulting
from a cross between a black angelfish and a black-lace anglefish?
In codominance, the involved alleles are equally expressed. Heter0zyg0us individuals express both phenotypes. Option A: 0% Silver, 50% Black, 50% Blak-lace.
What is codominance?Codominance refers to a non-mendelian inheritance pattern in which two alleles of the same are equally expressed. There is no dominant or recessive alleles, since non of them hides the expression of the other one in heter0zyg0us individuals.
The phenotype of a heter0zyg0te expresses two alternative variants inherited from each h0m0zyg0us parent.
When two individuals that are h0m0zyg0us and different for a trait are crossed they produce heter0zyg0us individuals.
These heter0zyg0us individuals express both parental phenotypes, as it is an additive expression of their parents' genes.
In the case of angelfish, their color is determined by codominance.
Genotype Phenotype
LL Silver
BB Black
LB Black-lace
Cross: between a black angelfish and a black-lace anglefish
Parentals) BB x BL
Gametes) B B B L
Punnett square) B B
B BB BB
L BL BL
F1) 1/2 = 50% of the progeny is expected to be h0m0zyg0us BB, expressing the black phenotype
1/2 = 50% of the progeny is expected to be heter0zyg0us Bb, expressing the black-lace phenotype
Option A is the correct table:
Phenotype Silver Black Black-Lace
Phenotypic
probability of the 0% 50% 50%
offspring
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what state of matter has the least amount of thermal energy
Answer:
solid state
Explanation:
They only vibrate in place
describe what homeostasis is
Answer:
Homeostasis: Greek words for same and steady.
Explanation:
Homeostasis is any living thing that maintains steady and/or same conditions in order to live in the environment it's in.
100 POINTS)Which change is an environmental effect of building dams?
A) increased fertility downstream
B) weed growth upstream
C) sediment builds up downstream
D) increased water temperature upstream
Answer:
weed growth upstream
Explanation:
When dams are build up on a river the water at upstream rises .
Buliding dams also have some other side effects like dieing of fishes ,quick floods etc .
Option B
how does white pigeon occur
Answer:
the genomes in the pigoens DNA can cause certain effects in the pigment in the feathers. Sometimes it is also better for the survival of the animal, so it can survive better in lighter or darker enviornments
Explanation:
Which of the following is an important function of intermediate filaments?
Answer:
Intermediate filaments provide cells with mechanical strength.
Explanation:
what is an example of codomiance
Codominance means that neither allele can mask the expression of the other allele. An example in humans would be the ABO blood group, where alleles A and alleles B are both expressed. So if an individual inherits allele A from their mother and allele B from their father, they have blood type AB.
name 4 types of snakes in Africa
Answer:Black Mamba, Puff Adder, The African Rock Python, and the Green Mamba
Explanation:
Answer:Carpet or Saw-Scaled Vipers, Classic African Vipers, Horned Desert Vipers, Night Adders,
Explanation:
Explain how a mutation near, but outside of, the coding region of Pitx1 may cause a loss of pelvic fins without pleiotropic effects on the pituitary gland and jaw.
Since the Pitx1 gene codes for a protein crucial im lower limns development, a mutation occurring near Pitx1 gene will affect refikjs around the lower limbs but not those far away from it.
What are mutations?Mutations refers to alterations or error that occur which change the original sequence of nucleotides in a DNA molecule.
The Pitx1 gene is a gene that codes for a protein that involved in development of the lower limbs.
A mutation near but outside of the coding region of Pitx1 may cause a loss of pelvic fins without pleiotropic effects on the pituitary gland and jaw because the pelvic fins form part of the lower limbs whole the jaws and the pituitary gland are not found in the lower limbs.
Therefore, the mutation occurring near Pitx1 gene will affect regions around the lower limbs but not those far away from it.
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which component of the digestive system is also responsible for producing vitamin K, used for blood clotting?
liver
small intestine
large intestine
pancreas
Answer:
liver
Explanation:
suggest 2 measures to be adopted by a county to fight against smoking
Explanation:
1. Raise Public awareness against it.
2. Stop supply of smoke
use 7. Why is being a union organizer a dangerous thing to do? Why is it a helpful thing to do?
Answer:
It is important because they help set the standards for education, skill levels, wages, working conditions, and quality of life for workers. Union-negotiated wages and benefits are generally superior to what non-union workers receive. Most union contracts provide far more protections than state and federal laws.
Explanation:
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Keep on learning
can someone help me fill this out??
a. Cell Membrane
b. Outside line of both diagrams
c. Is a semi-permeable phospholipid bilayer which allows for some molecules to pass through and others not.
d. Chloroplast
e. the little black oval thingies (theres multiple of them)
f. To conduct photosynthesis and produce glucose.
Hope this helps!
Define the meaning of recessive
Answer:
A type of allele which will not be manifested in an individual unless both of the individual's copies of that gene have that particular genotype.
Explanation:
How many bacteria flagella are use for lomotion
Answer:
Bacteria can have one flagellum or several.
In photosynthesis what is needed & produced (made or given off)? Refer to the picture below to assist you.
Answer:
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
Explanation:
Please help with question
What is the name given to the square frame used for sampling organisms in an environment?
Examine this map to help you respond to the question:
What is the most likely elevation of point B?
75 feet
105 feet
125 feet
80 feet
Identify the low-pressure areas on the map.
-1000
-1004
1008
1032
-1012
1033
1016
1028
1024-
-1020
1016
V1005
1012
996
1016
- 1020
Helpppp!!!
Answer:
you would have to put the numbers in order
in order for you to get the answer is then we'll multiply all the numbers and then you'll get your answer.
Anything over or below the 1,013.25 mbar level, which is the mark used to indicate standard air pressure, is referred to as high air pressure.
What is pressure?The quantity of force exerted per square centimeter at a right angle to an object's surface is known as pressure. Its identifier is "p" as well as P. The IUPAC suggests using a lower-case p when referring to pressure. Nonetheless, many people use the capital P.
1. The portions of the chart in the middle and the lower left, or the 989 and 993 designated pressures with white hue, in addition to their surroundings down to the 1,012 mark, are the low pressure zones.
2. the region down to the 1,012 mark in the vicinity of the 995 marking in the upper half of the chart.
3. From the marker at 1005 in the lower right corner of the map to the marker at 1,012 around it.
Therefore, anything over or below the 1,013.25 mbar level, which is the mark used to indicate standard air pressure, is referred to as high air pressure.
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Which of the following best describes the connection between cardiovascular disease and
age?
O A. As people age, their blood vessels become more elastic leading to less cardiovascular disease.
O B. As people age, the heart becomes more efficient with each pump, increasing cardiac output
O C. As people age, blood pressure decreases leading to more cardiovascular disease.
O D. As people age, plaque builds up in the arteries increasing vessel resistance, which leads to disease.
Answer:
b
Explanation:
Classify the factors as abiotic or biotic.
Answer:
Sunlight = abiotic
Temreture = abiotic
Tree = biotic
Microrganism = biotic
Soil = abiotic
Animal = biotic
Explanation:
abiotic:
sunlight temperature soilbiotic:
treesmicroorganismsanimalshope this helps :)