Which describes a population depending on an abiotic factor? *
A; A bean plant does not grow well because it is planted where there are many weedy
plants.
B; Coral reef organisms carry out photosynthesis using the sunlight that passes through
from the water above.
C; Squirrels eat eggs from a bird's nest.

Answer:

weed(s)

Explanation:

it’s a plant that is out of place, undesirable, or an annoyance because it interferes with agricultural or animal production.

hope this helped!

Answer: Lordosis

Explanation:

A class 1 lever has the fulcrum positioned between the effort and resistance, allowing for the amplification of force or the achievement of balance.

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An example of a physical property is conductivity.

Physical properties are characteristics of matter that are independent of changes in its chemical composition. Physical characteristics include things like density, color, hardness, melting and boiling points, and electrical conductivity, to name a few.

Without altering the makeup of the material, physical qualities can be seen or quantified. In order to observe and characterize matter, physical attributes are used. Physical characteristics of substances and systems are frequently referred to as extensive and intensive Physical characteristics of substances and systems are frequently referred to as extensive and intensive characteristics.

Shape, mass, colour, volume, and texture are a few examples. Measurements can be made of other physical characteristics such melting point, boiling temperature, strength, hardness, and magnetism.

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The complete question is-

Which option is an example of physical property?

a. conductivity

b. rusting ability

c. ph

d. reactivity

Answer:

Vitamins and minerals boost the immune system, support normal growth and development, and help cells and organs do their jobs. For example, you've probably heard that carrots are good for your eyes. It's true! Carrots are full of substances called carotenoids (pronounced: kuh-RAH-teh-noydz) that your body converts into vitamin A, which helps prevent eye problems.

Vitamin K helps blood to clot, so cuts and scrapes stop bleeding quickly. You'll find vitamin K in green leafy vegetables, broccoli, and soybeans. And to have strong bones, you need to eat foods such as milk, yogurt, and green leafy vegetables, which are rich in the mineral calcium.

Answer: endocrinology

Answer:

Endocrinology

Explanation:

I got 100% on the test

Photosynthesis and the living beings that are dependent on human beings are very much dependent on each other where they both have interlinked relationship. The support that responds to such  claims are cellular respiration and the light reactions in the plants that are taking place in the living beings in the present of light.

It is the sun that provides solar energy and heat that is required for the almost every living being present on Earth.

To convert solar energy into chemical energy that is stored in the living cells at that moment the conversion is possible because of the solar energy only.

Most of the life that is dependent on photosynthesis that is carried out by the photosynthesis via plants, animals and some types of bacteria which capture sunlight from sun some types of photosynthesis are dependent on the sun as well specially in the case of photosynthetic bacteria.

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Answer:

A white colony in tetracyline plates

Explanation:

Beta-galactosidase (also known as beta-gal or β-gal), will not be produced if a gene was cloned into the Lac Z gene. It is because β-galactosidase is produced by the activation of the lacZ gene, and thereby β-gal can not be produced in the absence of this lac operon. In consequence, X-gal will not be hydrolyzed by the β-gal enzyme in a reaction that releases a blue pigment, and thus the colony will be white. In gene cloning, X-gal enables to determine whether a cell is expressing a functional β-gal enzyme, which is known as the "blue/white screening method".

Answer:

The liver breaks down complex molecules.

The differences between genetic disorders, viral infections, bacterial infections, and cancer are that the genetic disorder is inherited, while the viral infection can be transferred from one person to another but not in the case of the bacterial infection. Cancer is caused by abnormal cell division.

Genetic disorders can be caused by mutations, but viral infections, bacterial infections, and cancer are caused by external agents like chemical aging or other infections. While the genetic disorder is passed from the parent to the offspring, viral infections, bacterial infections, and cancer can occur at any point in an individual's life and can be influenced by the environment.

Hence, the  differences between genetic disorders, viral infections, bacterial infections, and cancer are that the genetic disorder is inherited, while the viral infection can be transferred from one person to another but not in the case of the bacterial infection. Cancer is caused by abnormal cell division.

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Populations in Hardy-Weinberg equilibrium express the same allelic and genotypic frequencies through generations. Number of individuals expressing each phenotype: 63 sheep S^AS^A, 84 sheep S^AS^B, 28 sheep S^BS^B.

The Hardy-Weinberg equilibrium theory states that allelic and genotypic frequencies in populations that is in equilibrium remain the same through generations. No evolutive forces are acting on these populations, so no evolution occurs.

Assuming a diallelic gene,

Allelic frequencies

Genotypic frequencies

The addition of the allelic frequencies equals 1

p + q = 1.

The sum of genotypic frequencies equals 1

p² + 2pq + q² = 1

In the exposed example,

Alleles          Frequencies

Genotypes

We need to get the number of animals expressing each genotype and phenotype. To do it, we just need to use allelic frequencies and calculate  genotypic frequencies (p², 2pq, and q²), and then multiply these values by the total number of animals (N = 175).

Genotypic and Phenotypic frequencies

F(S^AS^A) = p² = 0.6² = 0.36

F(S^AS^B) = 2pq = 2 x 0.6 x 0.4 = 0.48

F(S^BS^B) = q² = 0.4² = 0.16

Number of individuals expressing each phenotype

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Complete question

A single gene with two alleles control variation in haemoglobin type in sheep. There are three different phenotypes corresponding to genotypes

In a flock of 175 sheep the frequency of allele S^A was found to be 0.6 and frequency of allele S^B WAS found to be 0.4.

Using the hardy weinberg equation calculate the number of sheep with each phenotypes in the flock show your working

According to the scientific hypothesis of plate tectonics, the underground movements of the Earth create the primary landforms.

Thus, By explaining a wide range of phenomena, including as mountain-building events, volcanoes, and earthquakes, the theory, which became firmly established in the 1960s, revolutionized the earth sciences.

In plate tectonics, the Earth's lithosphere, which is composed of the crust and upper mantle, is divided into sizable rocky plates.

These plates are situated on top of the asthenosphere, a rock layer that is still partially molten. The plates move relative to one another at varied speeds, ranging from two to 15 centimeters (one to six inches) per year, as a result of the convection of the asthenosphere and lithosphere.

Thus, According to the scientific hypothesis of plate tectonics, the underground movements of the Earth create the primary landforms.

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Answer:

The given first statement is true, that is, with the increase in the demand for chicken, the chicken market will rise, and in the same way with the decline in the demand for beef, the production of cattle will decrease based on the law of demand.  

The given second statement is also true, as the resources mentioned in the given statement is a tragedy of commons as the common access resources are rivalrous and non-excludable.  

The given third statement is also true, as the mentioned ocean fisheries is a tragedy of commons as the common access resources are rivalrous and non-excludable.  

Answer:

B, extraction through fracking can contaminate groundwater.

Explanation:

Well, it's really the only downside available. Hope this helps :)

Answer:

Activation of amino acids

Transfer of amino acid to tRNA

Initiation of polypeptide chain

Chain Termination

Protein translocation

Explanation:

Answer:

When a bee lands on a flower, the hairs all over the bees' body attract pollen grains through electrostatic forces.

Stiff hairs on their legs enable them to groom the pollen into specialized brushes or pockets on their legs or body, and then carry it back to their nest.

Answer:

Prairie plants provide habitat for pollinators such as bees, birds, and butterflies by providing sources of food and shelter. Prairie plants also help optimize reconstructions of habitats for pollinators, which is an important ecosystem service. Additionally, prairies play an important role in the larger ecosystem.

Explanation:

Answer:

Pollinators need prairies AND prairies need pollinators.

Explanation:

Yet, they grow food for many of our insect species. Not only do prairies provide nectar and pollen from wildflowers, they provide shelter and nesting places.

Answer:

B

Explanation:

Cats Dont have gills so rule out C. The body has to be the end so it would be B starting from Pillar cells to fish

Biological structures are arranged based on the level of the organization. The order of organization from smallest to largest is pillar cells, lamellae, gills, respiratory system, and fish. Thus, option B is correct.

The level of organization is the arrangement of the structures based on the level of complexity. It starts from the most simple to the most complex structures. It starts with an atom and ends in an ecosystem.

Pillar cells are the simplest level that comprises the fundamental unit made of molecules. They together make the tissues or the lamellae in the fish. The tissues or the lamellae group together to make the organ and gills.

The gills combines with the other organs to make the organ system like the respiratory system, which together with various organ system makes the fish the makes a complete organism.

Therefore, the order of the organization starts with pillar cells and ends at fish.

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Answer:The daughter cells each have

24

chromosomes.

Explanation:During interphase, the DNA in chromatin is replicated . In prophase, the chromatin condenses into chromosomes. Since the DNA was replicated during interphase, each chromosome in prophase is a copy of one chromosome. The chromosomes are now called sister chromatids and are held together at the middle, called the centromere.

The annual cost of operating the well is $17.5

Using the above conversion scale, we can simply obtain the cost of running 7000 ft³ annually as illustrated below:

Cost per 1000 ft³ =  $2.50

Therefore,

Cost for 7000 ft³ = (7000 × 2.5) / 1000

Cost for 7000 ft³ = $17.5

Thus, $17.5 is needed to operate the well annually.

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Explanation:

Bones grow in different directions because they need to support the body in different ways. The different directions allow for flexibility and strength.

Answer:

Point Mutations

A point mutation—the change of a single nitrogen base in a DNA sequence—is usually the least harmful type of DNA mutation

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Explanation:

A biological species is a group of organisms that can reproduce with one another in nature and produce fertile offspring.

Answer:

so 2

In the given scenario, the water will move from cell to the outside, resulting in decrease in cell size. The correct option is A.

If a container has a cell with a 10% salt solution and 90% water, and the outside concentration is 30% salt and 70% water, osmosis will occur.

Osmosis is the movement of solvent molecules (in this case, water) across a semi-permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

In this scenario, the cell has a lower salt concentration (10%) compared to the outside environment (30%).

As a result, water molecules will move from the area of lower salt concentration (inside the cell) to the area of higher salt concentration (outside the cell) in an attempt to equalize the solute concentration on both sides of the membrane.

Thus, the correct option is A.

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t is likely that the most successful flock, Flock Y, was able to provide better nutrition and care for its birds, leading to better survival rates and higher reproductive success. As a result, the offspring of Flock Y would likely have a greater chance of surviving and reproducing themselves, leading to a larger second generation.

Conversely, Flock X was the least successful at feeding, which likely led to higher mortality rates and lower reproductive success. As a result, the offspring of Flock X would likely have a lower chance of surviving and reproducing, leading to a smaller second generation.