Distinguish between primary and secondary succession.

There are many reasons to why slaves were essential in the colonial economy:

Slaves were generally used more in the south, because large plantations were found there, which meant that the need for large amounts of workers.

Slaves provided cheap labors, and as they were not "citizens" of the US, they were not allowed their rights.

Slaves were also relatively easy to buy and replace, however, their survival rates were not that good after they traveled long distance.

etc.

hope this helps

Answer:

WHere they lived it was very big and trade was important

Explanation:

Jonathan is heterozygous for blue eyes (Bb) and Carly is homozygous recessive for blue eyes (bb). A Punnett square shows each child has a 50% chance of blue eyes (bb). On average, out of four children, two would likely have blue eyes.

Jonathan being 'hybrid' for blue eyes suggests that he is heterozygous for the eye color trait, meaning he has one gene for blue eyes and one for a different color, likely brown since it is the dominant trait. Carly having blue eyes indicates that she is homozygous recessive for this trait, having two genes for blue eyes as it is the recessive trait. When predicting the outcome of their offspring's eye color, we can use a Punnett square to determine the possible genetic combinations.

Let's represent the blue-eyed allele as 'b' and the allele for the dominant eye color (brown in most cases) as 'B'. Since Jonathan is heterozygous, his genotype is Bb, and Carly, being homozygous recessive, has a genotype of bb. The possible combinations when they have children are as follows:

Based on the Punnett square for this cross, each child has a 50% chance of being heterozygous like Jonathan (Bb) and a 50% chance of being homozygous recessive like Carly (bb). Therefore, on average, out of four children, two would be expected to have blue eyes and two would have the dominant eye color, but will carry the blue eye gene (if blue is considered recessive in this case).

The probability of the offspring having a bent finger is 100% we can calculate this using a punnet square like one attached, where B is the dominant bent fifth finger and b is the recessive bent fifth finger, the man's genes are along the top and the woman's genes are along the side.

The probability that any offspring will have a bent fifth finger is 100% . All of their children will inherit one dominant allele from the man (B) and one recessive allele from the woman (b), resulting in the heterozygous genotype (Bb), which exhibits the dominant trait of a bent fifth finger.

In a scenario where a man is homozygous dominant (BB) for a bent fifth finger trait, and a woman is homozygous recessive (bb) for the same trait, their offspring's probability of having a bent fifth finger can be determined.

Using a Punnett square, it's evident that all their offspring will inherit one dominant allele (B) from the man and one recessive allele (b) from the woman, resulting in a heterozygous genotype (Bb).

As the dominant allele (B) expresses the trait, the probability of any offspring having a bent fifth finger is 100% or 1, as all the children will exhibit this dominant trait.

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Eat healthy.

Get active.

Stay at a healthy weight.

Quit smoking and stay away from secondhand smoke.

Control your cholesterol and blood pressure.

Drink alcohol only in moderation.

Manage stress.

Answer:

sample response:

Which items did you include?

Eat healthy food.

Exercise.

Live tobacco free.

Maintain a healthy weight.

1. An example of secondary consumer is snake. Secondary consumers are the ones who eat the primary consumers, which makes them carnivore.

2. Photosynthesis is a process used by plants and (some other organisms) that converts water (H2O) and carbon dioxide (CO2) with the presence of sun energy (collected in the chloroplasts) into chemical energy that is later stored in sugars (carbohydrates). Organisms that do the photosynthesis are called autotrophs (produce food by themselves).

3. The energy pyramid represents energy flow in a community, where the different levels represent different groups of organisms.  

The food chain is a circulation of energy that comes from the sun and passes from the producer organisms to the primary consumer, secondary and tertiary consumer organisms.  

4. For example, plant is producer that is eaten by primary consumer-herbivore (e.g. bugs). Than secondary consumer-carnivore (e.g. snake) eat that herbivore and than is being eaten by tertiary consumer (apex predator that have no natural predator).  

5. One trophic level gets only 10% of the energy of the previous level. So, if the plant have 10.000 units of energy and is eaten by rabbit, rabbit gets 1000 units of energy, and when the fox eats an rabbit, it gets 100 units of energy.  

6. Trophic level is the position of an organism in the food chain.

The other elements are A. 10 oxygen and 20 hydrogen.

Carbohydrates are generally hydrates of carbon. A molecule of carbohydrate is usually made of elements like carbon, hydrogen and oxygen. Hydrogen and oxygen are in a 2:1 ratio like they present in water.

The empirical formula of carbohydrate is [tex]C_m(H_2O)_n[/tex], where m and n can be different. They can also be called as saccharides and often as sugar. They can either be a small molecule like glucose or large molecules like starch.

I believe it'll be corn since it's a plant which created c4 sugar when performing photosynthesis.

The correct answer is D. Corn

Explanation:

In plants, C4 or C4 Carbon Fixation refers to a complex photosynthesis process that occurs in some plants, this process involves multiple steps that allow plats to fix and process carbon, without photorespiration as it occurs in most photosynthesis processes. C4 plants contain special cells and structures that allow them to do the Carbon Fixation processes. Additionally, this occurs mainly in plants that grow in tropical or elevated temperatures. Examples of C4 plants include sugarcane and corn as they follow the C4 Carbon Fixation in photosynthesis. According to this, it is Corn the one that is a C plant.

Traits that are dominant mask traits that are recessive.

From these results, Mendel concluded that traits that are dominant mask traits that are recessive. The correct option is B.

As it relates to genetics, a trait is a unique quality about a person. Genes, environmental influences, or a combination of both can influence traits.

The relationship between two genetic variants is referred to as dominant. Each gene has two alleles that an individual inherits from each parent.

One allele of a gene, known as the dominant gene, will be expressed if the alleles are different. The impact of the other allele, known as the recessive one, is concealed.

Nine of the ensuing offspring had seeds that were round and yellow, three had seeds that were round and green, three had seeds that were wrinkled and yellow, and one had seeds that were wrinkled and green.

Mendel deduced from these findings that dominant features conceal recessive traits.

Thus, the correct option is B.

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A. prokaryotes have no nucleus  

A. prokaryotes have no nucleus.

Eukaryotes cells contain membrane-bound organelles, such as the nucleus, while prokaryotic cells do not. Differences in the cellular structure of prokaryotes and Eukaryotes include the presence of mitochondria and chloroplasts, the cell wall, and the structure of chromosomal DNA. Eukaryotes can be single-celled or multi-celled, such as you, me, plants, fungi, and insects. Bacteria are an example of prokaryotes.

Sunlight :)

hope this helped

the answer should be DNA :)

RNA or mRNA

DNA is first transcribed into mRNA and then this mRNA moves from nucleus to the cytoplasm containing all the information or blue prints for protein formation where with the help of tRNA and ribosomes it is translated into protein.

A catalyst is a substance that speeds up the rate of a chemical reaction but is not consumed during the course of the reaction.

Catalysts increase the rate of reaction without being used up. They do this by lowering the activation energy needed. With a catalyst, more collisions result in a reaction, so the rate of reaction increases. Different reactions need different catalysts.

Many important chemical reactions require inputs of energy to proceed. If a catalyst is present less energy will be required to complete the reaction. Catalysts are substances that are mixed in with materials that are to be reacted, but they themselves do not, in the end, change chemically.

SO, a catalyst will increase the rate of reaction of any component.

A catalyst affects the reaction rate by lowering the activation energy needed for the reaction to proceed, allowing the reaction to reach equilibrium more quickly without altering the enthalpy change or the equilibrium position.

When a catalyst is added to a chemical reaction, it affects the rate at which the reaction proceeds. It does so by providing a new reaction pathway with a lower activation energy. A lower activation energy means the reactants can be converted into products more efficiently, speeding up the reaction without the catalyst being consumed. Notably, a catalyst does not alter the overall enthalpy change of the reaction, which is determined solely by the chemical compositions of the reactants and products, according to the principle of enthalpy.

Moreover, the presence of a catalyst does not affect the equilibrium position of the reaction; it merely allows the reaction to reach equilibrium more rapidly. In summary, the component affected when a catalyst is added is the reaction rate, not the reaction enthalpy or equilibrium position.

The correct option is B. Which is variation in the strawberry plants.

Answer: Kingdom Animalia

Explanation

Multicellular organisms that feed or consume other organisms for energy are called heterotrophs and are usually found in the animal kingdom

Answer:

Kingdom Animalia

Explanation:

Organisms classified within Kingdom Animalia must be multicellular and heterotrophic (meaning that they must consume other organisms in order to receive energy). Most organisms within Kingdom Animalia are also able to move around their environment. Therefore, the organism that Jason is studying most likely belongs to Kingdom Animalia.

If a human system fails to work properly, death would definitely be the result. That is why it is important to see your doctor whenever you feel anything in your body

Overfishing and destructive fishing methods, climate change, global warming, tourism, pollution.

Sexual reproduction in species leads to genetic diversity in the offspring, a trait not passed on through asexual reproduction. Mutations, sexual reproduction, and chromosomal crossover during meiosis are mechanisms that contribute to genetic variation, which is not seen in asexually reproducing organisms.

In sexually reproducing species, genetic variations are not passed on to offspring via asexual reproduction. Sexual reproduction involves the combination of genetic material from two parents, leading to offspring that are genetically diverse. This genetic diversity is believed to offer species an advantage in survival under changing or unpredictable environmental conditions.

Genetic variations in a population can arise from different mechanisms, one of which is mutation, a random process resulting in changes to the DNA sequence within a cell's genome. Another major source of genetic variation is sexual reproduction. During sexual reproduction, the combination of genetic information from two parents can result in new combinations of traits in the offspring, generating genetic diversity. This does not happen in asexual reproduction, where offspring are genetically identical, or clones, of their parent.

Other events like chromosomal crossover during meiosis also contribute to genetic diversity. But these are unique to sexually reproducing organisms and do not occur in asexual reproduction. Therefore, while genetic diversity is a hallmark of sexual reproduction, it is not achieved via asexual reproduction.

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The ansewer is Atomic masses

Isotopes of an element have a same atomic number but differ in their atomic masses. Atomic number indicates a number of protons and atomic mass indicate the number of neutrons plus proton present in the atom. So atoms with the same number of protons but different number of neutrons are termed as isotopes.

The correct answer is: Miami, Florida.

Polaris (other names are North Star or Pole Star) is one of the brightest, multiple star in the constellation of Ursa Minor. Because it is located nearly at the north celestial pole, it seems that the entire northern sky moves around it.

Polaris appears highest in the nighttime sky at the north celestial pole, which is part of the north circumpolar zone. For observers at a latitude of 38° N, Polaris is the closest star to the north celestial pole.

Polaris appears highest in the nighttime sky at the north celestial pole. For observers at a latitude of 38° N, stars within 38° of the North Pole can never set and are always above the horizon, day and night. This part of the sky is called the north circumpolar zone. Polaris, also known as the North Star, is currently the closest star to the north celestial pole.

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Hello  Cafeparisgal

The  prokaryotic organism that shows  up as the earliest fossils is archaea echinoderms.

:)

The prokaryotic organism which are taken the earliest fossils are cyanobacteria.

Cyanobacteria are aquatic and photosynthetic, as they resides in water and perform photosynthesis.

They are small and usually unicellular, though they frequently grow in visible colonies.

These are the known earliest fossils under prokaryotic organisms.

Thus, the answer is cyanobacteria.

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i think the answer is pain medication

The answer is A)Biomarkers

I assume it is C) Amphibians and Reptiles, because the other choices are not very similar to each other. Also, both of these classes comprises cold-blooded vertebrate animals.

Photosynthesis. Figure 2.3: Photosynthesis: In the process of photosynthesis, plants convert radiant energy from the sun into chemical energy in the form of glucose - or sugar. Water (6H2O) + carbon dioxide (6 CO2) + sunlight (radiant energy) = glucose (C6H12O6) + Oxygen (6O2).

The rate that radiant energy is converted into chemical energy by producers is referred to as gross primary productivity. This is primarily done through photosynthesis by plants and other photoautotrophs. The remaining energy after accounting for heat and respiration losses is called net primary productivity.

The rate at which producers convert radiant energy into chemical energy is usually defined as gross primary productivity. This is primarily achieved via a process called photosynthesis key to life on earth. Primary producers like plants, algae, and photosynthetic bacteria absorb solar energy transforming it into chemical energy in the form of glucose and other carbohydrates.

Photoautotrophs harness this solar energy stored as ATP to synthesize complex organic molecules. However the net energy incorporated by these producers is termed as net primary productivity which is the energy that remains after accounting for the thermal losses due to organisms' respiration and heat loss. This is the energy that is available to be consumed at the next trophic levels.

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I would say its A or Adhesive Strength.

it is going to be c hope this helps or b

Answer:

The answer is A, gametes.

Explanation:

The mutation for sickle cell anemia must occur in a woman's germ cells, specifically her eggs (ova), to be passed on to her offspring. It is an autosomal recessive condition, meaning a child must inherit two copies of the mutated gene, one from each parent, to have the disease.

The question concerns the inheritance of sickle cell anemia, which is a genetic disorder. Since a woman with sickle cell anemia can pass this disease to her offspring, it indicates that the mutation for sickle cell anemia must occur in her germ cells, specifically her eggs (ova). Sickle cell anemia is caused by a mutation at a specific point in the hemoglobin gene. This gene is located on chromosome 11, which is one of the autosomal chromosomes, meaning it is not a sex chromosome.

In genetics, when we say that a trait or disorder, such as sickle cell anemia, is inherited, it typically means that it is passed down through the gametes, which are the sperm cells in men and the egg cells in women. For a person with sickle cell anemia (which is an autosomal recessive condition), they must have two copies of the mutated gene, one inherited from each parent. If a mother has the disease, she has two copies of the mutation and every egg cell she produces will carry one copy of the mutated gene. When that egg is fertilized by a sperm, the resulting offspring will inherit one copy of the mutated gene from the mother. If the father also provides a gene with the mutation (or a healthy gene in the case of sickle cell trait), the child could develop sickle cell anemia (with two mutations) or be a carrier with sickle cell trait (with one mutation).

The layers and structures the needle passed through are- epidermis, dermis, subcutaneous layer or hypodermis, connective tissue layer and muscle.

The epidermis is the outermost layer of the three layers that make up the skin, the inner layers being the dermis and hypodermis. The connective tissues connects, binds and separates other tissues or organs. Muscles are soft tissues found in the body. They function to produce force and motion.

one example could be atoms

A model of the DNA Double Helix in Biology makes it easier to understand its complex structure as it allows students to visually see and physically interact with the representation of the concept.

An ideal example in the realm of Biology would be the concept of the DNA Double Helix. This concept could be challenging to grasp in two-dimensions, but once you create a three-dimensional model, its structure becomes more apparent.

The DNA Double Helix model demonstrates the spiraling strands that represent the sugar-phosphate backbone, and the pairs of different colors show how adenine (A) always pairs with thymine (T) and cytosine (C) with guanine (G). Seeing this visually aids in understanding how these elements come together to create the unique genetic code in an organism.

Using a model to represent complex scientific concepts, particularly in Biology, can greatly enhance understanding and retention of the material. It allows the student to visually see and physically interact with the representation of the concept, which is highly beneficial for tactile and visual learners.

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Final answer:

Environmental quality refers to the condition of the environment and its ability to support life, affected by factors like air and water cleanliness, and regulated by environmental laws. Low-income countries may prioritize basic needs over environmental quality, a stance that can lead to harmful reductions in regulations. Market-oriented tools and balanced EPA regulations are employed to optimize environmental protection while managing costs.

Explanation:

Environmental quality refers to the condition of the environment and its capacity to support the health and well-being of living organisms, including humans. Such quality is commonly measured by the cleanliness of the air and water, the availability of safe drinking water, presence of non-contaminated soil, and the health of ecosystems. Environmental regulations are put in place to help maintain and improve the environmental quality by controlling the amount of pollutants that factories and other sources emit.

While environmental quality is crucial for the well-being of communities, there exist disparities in how it is valued across economies. For instance, low-income countries may prioritize immediate necessities like food, clothing, and shelter, often viewing environmental quality as a luxury. However, this viewpoint can lead to a reduction in regulations, which can cause significant environmental damage and, in the long run, affect the health and life quality of the population.

The use of market-oriented environmental tools can be employed to minimize the costs associated with reducing pollution, avoiding overly stringent environmental rules that may not balance the marginal costs and benefits associated with pollution control, as discussed by entities such as the Environmental Protection Agency (EPA).