Wetlands support a large number of animal species. Chemical weed killers are dumped into this wetland and the aquatic plants are killed. We should expect ___________
A) the insect and insect larva


B) the migratory bird populations


C) the animals that breed and nest here


D) all the animals in and around the wetlands ________ to be affected by the death of the plants.

Answer:

coal and petroleum I think.

Explanation:

I am not sure so take my answer with a grain of salt.

Thank you!

After fertilization, the conceptus forms a morula and then develops into a blastocyst that implants into the uterus. The outer cells of the blastocyst become the chorion, which releases hormones to support the developing embryo.

Approximately 3 days after fertilization, the conceptus reaches the uterus and forms a structure called the morula. This compact mass of cells continues to divide and forms a ball of approximately 100 cells, known as a blastocyst. The blastocyst then implants into the wall of the uterus, and the outer cells develop into the chorion, which releases hormones to maintain the endometrium and support the developing embryo.

The blastocyst is a more complex structure, consisting of two distinct cell layers: the inner cell mass, which will give rise to the embryo, and the outer layer called the trophoblast. The trophoblast further differentiates into the chorion, which is a membrane that surrounds the developing embryo.

The chorion plays a crucial role in pregnancy. It releases hormones, including human chorionic gonadotropin (hCG), which helps to support the early stages of pregnancy by maintaining the corpus luteum in the ovary. This ensures a continued supply of progesterone, which is essential for sustaining the uterine lining and supporting the developing embryo.

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The geologic time scale helps scientists track events in Earth's history by organizing important changes into divisions based on geology, climate, and the evolution of life.

This scale divides Earth's history into divisions based on major changes in geology, climate, and the evolution of life. By studying rocks and fossils, researchers can piece together Earth's past and understand the sequence of events.

In a snapdragon, if a red flower is crossed with a white flower, it will result in a pink flower due to the law of incomplete dominance.

In the law of incomplete dominance, both alleles of a gene are partially expressed in a locus resulting in the expression of a phenotype that is completely different from any of the parents.

It is also known as the law of partial dominance. This occurs because neither of the two alleles is completely dominant over one another and thus neither of them is fully expressed.

In this case, the genotype of one parent is RR (red flower) and the genotype of the other parent is ww (white flower).

So, according to the punnet square,

    R       R

w  Rw      Rw

w  Rw      Rw

Rw genotype represents the phenotype of the pink flower.

Now, if a pink flower is crossed with a red flower,

      R     R

R   RR  RR

w  Rw  Rw

RR genotype represents red flowers and Rw genotype represents pink flowers.

Therefore, it would result in half of the flowers being red and half of the flowers being white.

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Answer:d.insertion

Explanation:

Final answer:

Meiosis facilitates the transformation of the diploid sporophyte into haploid spores in plant life cycles, playing a critical role in the alternation of generations and genetic diversity.

Explanation:

The question relates to the role of meiosis in the alternation of generations within the life cycle of plants. In the context of alternation of generations, meiosis is responsible for transforming a diploid sporophyte into haploid spores. After reaching maturity, the diploid sporophyte undergoes meiosis to produce haploid spores, which then divide by mitosis to produce the haploid gametophyte, thereby continuing the cycle of alternation of generations. This process is essential for maintaining genetic diversity and is a fundamental aspect of plant reproduction.

Therefore, the answer to the question 'Meiosis is responsible for which stage in the alternation of generations?' is C. Sporophyte to spore.

Answer:

water temperature

Explanation:

When performing a scientific experiment, you need to know what the dependent and independent variables are.

An independent variable is one that influences, causes a result in the dependent variable. This variable does not depend on any factor to be established.

The dependent variable, on the other hand, depends on the independent variable to be established. This is because this variable only shows one result, in relation to the influence that the independent variable had on it.

In the question above, we can see that the students were wanting to determine what the influence of water temperature was on the average heart rate of water fleas. With that, we can say that the water temperature is the independent variable.

answer is B. A boy brought a pair home as pets.

correct me if i'm wrong.

The answer is... CO2 (carbon dioxide) and H2O (water), which then become the reactants for photosynthesis. (C)

Answer: The products X and Y are CO₂ (carbon dioxide) and H₂O ( water), which then become reactants for photosynthesis.

The given reaction in the question depicts cellular respiration. In this process, oxidation of glucose takes place in order to generate energy in the form of ATP ( adenosine triphosphate) that is utilized by the cell for various activities.

CO₂ and H₂O are released in this process. They are utilized as reactants by green plants and algae for synthesis of food ( photosynthesis).

B. Neck elongation of women using weighted rings and tribal Africa

I had this on a test. I remember this being the correct answer.

Answer:

the answer is C : two haploid cells are formed.

Explanation: think of it like this: Meiosis I is More haploid cells

hope this helps ;)

After the first round of cytokinesis in Meiosis, meiosis II begins and proceeds to form four genetically unique haploid cells due to the separation of sister chromatids and chromosomal crossover.

After cytokinesis is completed at the end of meiosis I, the resultant cells go through meiosis II.

During meiosis II, the sister chromatids within the two cells produced in the first round of meiosis separate, creating four unique haploid cells.

These cells are genetically unique due to the random assortment of paternal and maternal homologs and the recombination of maternal and paternal segments of chromosomes during crossover.

The process of chromosome separation that occurs in meiosis II is similar to what happens in mitosis, but with half the number of chromosomes.

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The probability of the parents having a child who is hzygous dominant for this trait is - 25%

In the given question, there is a particular character that has two alleles Y dominant allele and y recessive allele. Both parents are heterozygous for the trait that is encoded as Yy cross with Yy.

        (1/4)*100

        = 25%

Thus, the correct probability would be - 25%

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Based on the laws of probability, the probability of the having a child who is h0m0zygous dominant for the trait indicated in the Punnet square is 25%.

Assuming the dominant trait is Y and the recessive trait is y.

From the Punnet square, the offspring genotype are: YY, Yy, Yy and yy.

The child having h0m0zygous dominant trait is YY.

Probability = 1/4 = 25%.

Therefore, the probability of the having a child who is h0m0zygous dominant for the trait indicated in the Punnet square is 1/4 or 25%.

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Answer:

36 is 3  and 37 is 4

Explanation:

IM IN THE SAME CLASS AS YOU

The statement which is true about air quality is: D. The EPA measures air pollution levels daily.

Air can be defined as an invisible mixture of gases that are having nearly constant concentrations and which surrounds the Earth.

The gases which makes up the air that surrounds the Earth include the following:

Hence, oxygen is one of the constituent gas of air that all living organisms such as humans and animals breathe in during respiration.

In this context, it is very important and essential that air is free from any form of impurities or pollutants, so as to avoid lung-related diseases.

In the United States of America, the Environmental Protection Agency (EPA) is a governmental agency that is saddled with the responsibility of ensuring air quality.

Therefore, the Environmental Protection Agency (EPA) measures the level of air pollution on a daily basis.

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Critics dismissing evolution as 'just a theory' fail to recognize the extensive evidence supporting the theory and its rigorous testing.

In science, a theory is a body of thoroughly tested and verified explanations for a set of observations. The theory of evolution has substantial evidence supporting it, and it has been rigorously tested over time. Critics who dismiss evolution as 'just a theory' misunderstand the scientific definition of theory and the extensive evidence backing the concept.

The stimulus that causes a responding plant to demonstrate phototropism is the direction of light. Thus, the correct option is A.

Phototropism may be defined as the process that involves the growth of plants with respect to light. It is usually associated with the direction of light.

Phototropism is one of the major functions of the phytohormone known as Auxin. Apart from phototropism, auxin also involves gravitropism and thigmotropism.

According to the principle of phototropism, the plant usually grows in the direction of light, or from where the light is directly falling on the leaves of the plant.

Phototropism is of two types positive which induces the growth of the plant  towards the direction of light and negative phototropism which provokes the growth away from the direction of light

Therefore, the stimulus that causes a responding plant to demonstrate phototropism is the direction of light. Thus, the correct option is A.

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On the basis of the pH scale, strong bases are mostly contained at the end (13-14) and strong acids have been found at the starting (0–1).

It is a kind of scale which would be used to measure the strength of acidity as well as basicity. pH scale ranges in value between 1 to 14. On the metric scale, a 7 indicates that the outcome appears neutral.

"An acid  would be considered as the substance that ionizes completely whenever dissolved in a particular solution. "It  will release a higher concentration of H+ ions. For example, hydrochloric acid.

A substance that ionizes completely in solution to give OH- ions will be referred as strong base. For example, sodium hydroxide.

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To change ATP to ADP, a phosphate group is removed, a process that releases energy as the high-energy phosphoanhydride bond between the second and third phosphate groups is broken.

When an ATP molecule is changed to ADP (adenosine diphosphate), a phosphate group is removed. This process is known as dephosphorylation or hydrolysis. The bond between the second and third phosphate groups in ATP (the phosphoanhydride bond) is broken, releasing useful energy for the cell. The energy is stored in this bond because phosphate groups, which are negatively charged, repel each other and create instability in the ATP molecule. Thus, when ATP loses one phosphate and becomes ADP, energy is released as the high-energy bond is broken.

Figure 10.11 illustrates how ATP is hydrolyzed into ADP and inorganic phosphate, with the release of energy that can be used to do work in the cell. Overall, ATP functions as the energy currency of cells, with the conversion between ATP and ADP being central to energy storage and usage in biological systems.

When evaluating blocks, density does not necessarily correlate with size, as it depends on both mass and volume; larger blocks aren't always more dense. This challenges initial assumptions and leads to further investigation about material properties and the identification of materials based on density.

When examining the size of blocks and their density, you may notice that the density does not necessarily correlate with the size of the block. Density is a measure of how much mass is contained within a unit volume, and it can vary regardless of the block's size. For instance, two blocks with the same volume can have different masses, leading to different densities. This might not match your initial thoughts if you assumed that larger blocks would be more dense.

Materials often have characteristic densities, which allows us to identify them and predict where they might be found, such as in the city or the country. In a classroom setting, we use these observations to test hypotheses about material properties. When you compare your results to your original hypothesis, you might find discrepancies, leading to further inquiry about why certain materials behave as they do, such as differing rates of sinking or floating (e.g., how fast a block goes when placed in water).

The concept of density is also crucial when ordering blocks by mass or by density, considering the relation between mass and density. In a scientific exercise or an educational simulation, you might be asked to determine the mass, volume, and density of different blocks, and then rank them accordingly. Doing so leads to a deeper understanding of the physical properties of materials.

The density of the green block, for example, can be determined by removing all other blocks from a tank of water and measuring how much water the green block displaces when it is placed in the middle of the tank.

A hesitation beat is a cardiac event where there is a pause following a premature contraction, resulting in what may feel like a skipped heartbeat, and can suggest underlying heart issues if persistent.

A hesitation beat is a term used in cardiac physiology to describe a delay or pause in the heartbeat that is often secondary to a premature contraction. In the case of a premature atrial contraction (PAC) or premature ventricular contraction (PVC), the subsequent heartbeat is delayed as the heart's electrical system resets itself. This results in a feeling of a skipped or extra beat and can sometimes be felt by the patient as a palpitation. While hesitation beats can be a normal variant in many individuals, they can also indicate underlying cardiac problems, especially if they occur frequently or are associated with other symptoms. It is important for individuals who experience recurrent hesitation beats to seek a medical evaluation to rule out potential issues.

amino acids and proteins