Answers
Answer:
A is the answer. Explanation is in the photo
Answer:
yes
Explanation:
becuase
Related Questions
Watersheds may be contaminated by fertilizers and other pollutants. When these substances enter a waterway, they can cause algal blooms, which are rapid overgrowths of algae. When the algae die, the decay uses up a large portion of dissolved oxygen. Declining oxygen levels can then cause large die-offs of animals in the waterway. What will an algal bloom in a watershed most likely cause?
Answers
Completed options
A)A decrease in the watershed’s biodiversity, which will reduce its ability to supply clean and safe drinking water.
B)A decrease in the watersheds ecosystem diversity, which would improve its ability to supply large volumes of water.
C)An increase in the watersheds genetic diversity, which would reduce its ability to supply clean and safe drinking water.
D)An increase in the watersheds species diversity, which would improve its ability to supply large volumes of wate
Answer:
)A decrease in the watershed’s biodiversity, which will reduce its ability to supply clean and safe drinking water.
Explanation:
This sequnces of events is called Eutrophication. It is the process of washing of nutrients salts e.g., (NPK) into aquatic bodies which leads to change in the ecosystem structure of the aquatic bodies with the boom in algae growth, and drop in O2.
The cut in oxygen availability in the aquatic bodies , leads to death of the fauna and flora.Theses are the varieties of life in this habitat.(biodiversity).
With the an increase in the death of these inhabitants(flora and fauna)couple with the activities of the (decomposers) the water bodies becomes dirty and unfit for drinking.
Besides as the pathways of the watershield ecosystem as it filters the these polluted water may be blocked by the dead organic matter from the flora and fauna. Thus A is the best.
Do the populations change very much, or are they in equilibrium? Explain.
Answers
Answer:
They are in equilibrium
Explanation:
This is because they compete for resources such as food,water,mates e.t.c. hence only the fittest survive.Also the organisms that die are replaced by newborn ones.An ecosystem can support a specific number of organisms without depleting its resources.
A pair of mice are bred several times generating the following data table. What are the most likely genotypes of the parents?
Answers
Answer:
This question lacks options, the options are:
A) FF and ff
B) FF and Ff
C) Ff and Ff
D) Ff and ff
The answer is D (Ff and ff for parent 1 and 2 respectively)
Explanation:
This question depicts a single gene coding for fur colour in mice. The gene controls two traits, black fur and white fur, encoded by alleles F and f respectively.
According to the question, a pair of mice has been bred several times to generate the same data of 22 black fur and 23 white fur mice. Based on this data, it shows that the phenotypic ratio of black to white mice is 1:1.
To get a 1:1 phenotypic ratio of black fur offspring to white fur offspring, the parents mice must have genotypes Ff (heterozygous) and ff (same recessive alleles).
In a cross between parents Ff × ff (see punnet square), offsprings with the following genotypes will be produced: Ff, Ff, ff and ff. Ff is black furred while ff is white furred.
Ff (2) : ff (2) is equivalent to Ff (1) : ff (1).
Hence, a data of 22 black mice and 23 white mice which represents a 1:1 ratio will only be produced by parents mice with genotypes: Ff and ff.
A student working on their science experiment places four potato squares into solutions of Iodine and measures how far the Iodine diffuses into the potato. The measurements are: 2.1 mm, 1.8 mm, 2.3 mm, and 2.2 mm. What is the average diffusion distance?
Answers
Answer:
The average diffusion distance is 2.1 mm
Explanation:
Given
Diffusion distance of the four potato squares are;
[tex]Potato 1: 2.1 mm\\Potato 2: 1.8 mm\\Potato 3: 2.3 mm\\Potato 4: 2.2 mm[/tex]
Required
Average Diffusion Distance
To calculate the average diffusion distance; we simply calculate the mean of the student recordings
Mean is calculated as thus;
[tex]Mean = \frac{\sum x}{n}[/tex]
Where x is the individual distance of the potato squares
[tex]\sum x = 2.1 mm + 1.8 mm + 2.3 mm + 2,2 mm[/tex]
[tex]\sum x = 8.4mm[/tex]
n is the number of potato squares
n = 4
[tex]Mean = \frac{\sum x}{n}[/tex]
[tex]Mean = \frac{8.4 mm}{4}[/tex]
[tex]Mean = 2.1 mm[/tex]
Hence, the average diffusion distance is 2.1mm
Which would be the order of the bases on the opposite strand of dna
Answers
Explanation:
if one side is A the other would be T
if one side is G the other would be C
A-T
G-C
Which of the following is an example of
an organism's niche?
A. A dog chasing its tail
B. A bird fell out of its nest
C. The little boy is late for school
D. The early bird gets the worm
Answers
Answer:
A. dog chasing its tail
Answer:
D
Explanation:
One who arrives first has the best chance for success,
Which of the following represents types of aquatic mammals from most aquatic to least aquatic?
Answers
Answer:
I would say polar beats
Explanation:
As polar bears actually don't have to get in water..
Not sure ok sorry
what did charles Darwin and Alfred wallace propose
Answers
Answer:
"theory of evolution by natural selection,”
this was proposed by charles darwin and alfred wallace in the 19th century
Which example is most likely made from both metals and gemstones?
Necklace
Soda can
Widow frame
Kitchen utensils
Answers
Answer:
A. necklace
Explanation:
Necklace is most likely made from both metals and gemstones.
What is necklace?A necklace might be a straightforward chain made of gold or silver, a string of beads or diamonds, or a pendant suspended from a rope. It qualifies as a necklace as long as it is worn around the neck.
Unless you are a professional or amateur geologist—or perhaps you earned a merit badge studying them as a scout—you probably won't be able to explain the differences between these four hard natural materials: minerals, rocks, gemstones, and crystals.
The different types of necklace are chocker, Matinee and opera. Long and functional, opera length necklaces. The necklace should hang below the bust when worn as a single strand.
Therefore, Necklace is most likely made from both metals and gemstones.
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Prehistoric people used what for knives and arrowheads
Answers
Answer:
spears
Explanation:
In your own words, explain what "the more mass a substance has, the greater the object's thermal energy" means.
Answers
What are some of the consequences of acid rain? Thanku
Answers
The ecological effects of acid rain are most clearly seen in aquatic environments, such as streams, lakes, and marshes where it can be harmful to fish and other wildlife. As it flows through the soil, acidic rain water can leach aluminum from soil clay particles and then flow into streams and lakes. The more acid that is introduced to the ecosystem, the more aluminum is released, die of biodiversity in environment and other organism that supports decomposition of material
ASAP PLZ
what resources do rabbits need from their habitat in order to survive? name 3 things
Answers
Answer:
Rabbits need crops (food) (lettuce, grass, flowers, etc...) Rabbits don't drink water because they get it from the food. They also need a burrow, to hide from predators in, and they need carbohydrates.
Explanation:
Hope that helps!!! :)
Why might a plant cell need to have a bigger vacuole than an animal cell?
Answers
Answer:
A plant cell might need a bigger vacuole than an animal cell because when a plant has stopped growing, there is usually one very large vacuole, sometimes taking up more than half of the cell’s volume; plants have a large sized vacuoles because it also provides turgidity and rigidity to the plant.
. What is coir used for?
Answers
Answer:Coir, or coconut fibre, is a natural fibre extracted from the outer husk of coconut and used in products such as floor mats, doormats, brushes and mattresses.
Explanation:
coir is an organic product derived from the coconut tree. It is a fiber sourced from the tough, dense husk inside coconuts.
Two hands of coir based compost
Craig Knowles / Getty Images
Coir (pronounced COY-er) comes from coconuts. It's what makes up the fibrous husks of the inner shell of the coconut and is used for all sorts of products, including rugs, ropes, brushes, and even upholstery stuffing. You're probably most familiar with it as those stiff, scratchy doormats and the fibrous liners used in hanging baskets. Coir is very rot-resistant, making it perfect for outdoor products. It is also becoming increasingly popular as a potting mix and organic soil amendment.
For a coconut by-product, coir takes a good amount of effort to get to market. The outer husks are soaked until the fibers can be separated and then cleaned. Then they have to be sorted and graded by size. Dark brown coir is from the familiar mature coconuts, but there is also a white version. White coir is from immature, green coconuts and is finer and softer. Some manufacturers also dye the fibers.
Coir goes by many names. You may find it labeled as coir-peat, coco-peat, coir fiber pith, coir dust, and other similar-sounding brand names.
Horticultural coir is a peat-like substance that is used in gardening and agriculture. It is made from the pith found between the fibers. The coir pith gets washed, heat-treated, sieved to remove large particles, and graded. Very often it is compressed into blocks or bricks, which need to be soaked before using. You may also find bags or bales of coir. They can be hard to locate, but as coir becomes more mainstream, it should become more accessible and affordable.
Cedar waxwings are one species of bird that is adapted to
withstand our cold winters. Bird watchers in Barrie provide
cedar waxwings with seeds at birdfeeders during winter
months. K/
UTI
(a) Would the seeds alter the carrying capacity of the
ecosystem? Explain.
(b) Provide a hypothesis that explains why bird watchers have
noted an increase in the falcon population in recent years.
Answers
Answer:
B)
Explanation:
Hope that helped! :)
What type of asexual reproduction is shown in the picture above?
O binary fission
Obudding
O regeneration
O vegetative propagation
Answers
The given image asexual reproduction represents binary fission. The correct option is A.
What is binary fission?In biology, fission is the division of a single organism into two or more pieces, followed by the regeneration of those parts into new, distinct organisms that resemble the original.
Asexual reproduction by splitting a body into two new bodies is known as binary fission.
When an organism divides into two halves (cytokinesis) through binary fission, it doubles its genetic material, or deoxyribonucleic acid (DNA), with each new creature acquiring one copy of the latter.
Divide into two is what binary fission refers to. It is the most straightforward and typical kind of asexual reproduction.
Thus, the correct option is A as it is showing the splitting of one cell into two.
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Give the word and chemical equations for respiration and photosynthesis
Answers
Answer:
PHOTOSYNTHESIS
carbon dioxide(CO2)+water(H2O)+sun light in the presence of chlorophyll(C55H72O5N4Mg)⇒glucose(C6H12O6)+oxygen(O2)+ATP(energy)
RESPIRATION
Glucose(C6H12O6)+Oxygen(O2)⇒carbon dioxide(CO2)+water(H2O)+oxtgen(O2)
Explanation:
I HOPE THIS WILL HELP YOU :)
A species of bacteria is found deep within the Earth's crust. Which process will the bacteria use to obtain energy? A. Cellular Respiration B. Photosynthesis C. Lactic Acid Fermentation D. Alcoholic Fermentation
Answers
Answer:
CELLULAR RESPIRATION
Explanation:
The process that the bacteria will use to obtain energy deep in the Earth's crust by cellular respiration. The correct option is A.
What is cellular respiration?Bacteria use both aerobic and anaerobic cellular respiration. There are three major steps in aerobic cellular respiration: glycolysis and the citric acid cycle in the cytoplasm, and the electron transport chain in the plasma membrane.
The process of respiration in bacteria is carried out by mesosomes. Mesosomes are rolled up invaginations in bacteria's cell membrane.
Their purpose is to increase the required surface area for respiration. They are respiratory activity sites because they contain respiratory enzymes.
The process by which bacteria will obtain energy deep within the Earth's crust through cellular respiration.
Thus, the correct option is A.
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what kinds of bacteria are spherical, endospores,cocci, bacilli, spirilla
Answers
The cocci kind of bacteria are spherical in shape. Rod-shaped bacteria are bacilli, and spiral-shaped bacteria are called spirilla. Thus, the correct option is C.
What are the cocci bacteria?A coccus or cocci bacteria is any bacterium or archaeon which has a spherical, ovoid, or generally a round shape. Bacteria are categorized into different classes on the basis of their shapes into three classes which are cocci (spherical-shaped bacteria), bacillus (rod-shaped bacteria) and spiral (two types: spirillum and spirochete bacteria).
Different classes and examples of bacteria are Streptococci, in which cocci are arranged in chains. Example: Streptococcus mutans. Diplococci, in this cocci are arranged in pairs. Example: Neisseria gonorrhoeae. Monococci are single cocci. Staphylococci are the clusters of cocci. Example: Staphylococcus aureus.
Therefore, the correct option is C.
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which of the following is a energy consuming process a. excretion b. anabolism c. both a and b d. catabolism
Answers
Answer:
Anabolism
Explanation:
Excretion exerts energy
Catabolism releases energy
Anabolism requires energy
Answer:
Option B
Explanation:
Anabolism is an energy requiring/consuming process in which smaller molecules are converted into larger molecules.
Which of the following represents a group of protists that is difficult to classify as either protozoan or algae because some species have chloroplasts, but others do not?
Answers
Answer:
some species have chloroplasts
Explanation:
Seaweed belongs to which of Earth’s spheres?
Answers
Answer:
The answer is: Biosphere
Answer:
biosphere
Explanation:
biosphere in living things and seaweed is living hoped this helped
there are six elements that make up most of the human body. Which of the following is not one of these six elements?
Answers
Answer:
oxygen, carbon, hydrogen,
Explanation:
hope this helped u :)
why is there a greater volume of living organisms at the bottom of the energy pyramid?
Answers
Answer:
Energy decreases as it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level.
For purposes of the law a mental disorder is:
Select one:
a. a disorder such as drug or alcohol dependence
b. all of the above are correct
оооо
C. any disorder or disability of the mind
d. a disorder such as learning disabilities
Answers
Answer:
C
Explanation:
if its a mental disorder i think it would be a disability of the mind
What are the polymers of nucleic acids called
Answers
Explanation:
Nucleic acids are polymers of individual nucleotide monomers. Each nucleotide is composed of three parts: a 5-carbon sugar, a phosphate group, and a nitrogenous base. Only two 5-carbon sugars are found in nature: ribose and deoxyribose.
Answer:
nucleotides
Explanation:
a nucleic acid is made up of chains of nucleotides
Which phylum is a group of miscellaneous fungi that don’t fit into the other three categories? Zygomycotes Deuteromycotes Ascomycotes Basidiomycotes
Answers
Answer:
Deuteromycotes
Explanation:
Kingdom Fungi consist of eukaryotic organisms grouped into 3 phyla, with one group that doesn't fit into any of the grouped three. Each group of fungi were classified into phylum based on their reproductive life cycle. The three phyla are Zygomycotes, Ascomycotes, Basidiomycotes.
Zygomycotes produce their spores by meiosis in a structure called Zygosporangium. Ascomycotes produce their spores via meiosis in ascus (sac-like). Basidiomycotes produce their own spores via meiosis in club-like basidium.
However, a fourth group exists that has no known sexual reproductive structure (meiospores), instead it is known to reproduce asexually via mitospores. This group is called DEUTEROMYCOTES or commonly known as FUNGI IMPERFECTI. It is a group of miscellaneous fungi that doesn't fit into the classification basis of the other three phyla.
this might seam like a weaird qusten my teacher ask what is sex in the same people
Answers
Answer:Either homosexuailty or Male and Female?
Explanation:
I need to draw a poster on Genetics but I'm not exactly good at art. It needs a bit of information as well as at least one drawing. It doesn't have to be great just acceptable. Help would be greatly appreciated . I have already completed the other two posters just need one more.
Answers
Answer:
sorry, now I can. here you go! have a nice day!