maximum sustainable yield management is often used to manage fisheries. Which of these statements describes an advantage of MSY management with respect to fishing?



A. MSY management fails to account for the ages of fish when they are caught.



B. MSY management only accounts for the target species.



C. MSY management puts ?sh populations at risk.



D. MSY management allows for maximum productivity of a fish species.

Answer:

Zygote

Explanation:

Answer:

Explanation:

Simulation is imitating a process. It is doing exactly like a system will do. It can be used in technologies, education, health, training,

safety engineering. Simulation can be used when the original or exact system is not in place, or cannot be accessed.

A model is a process that helps to understands a system. A model is like an example to follow in achieving a result. A model may not be followed judiciously such that you may require an aspect of the model and then use but not necessarily all attributes while a simulation does exactly what the system does.

Answer:

A. Carries copies of instructions to make proteins from the DNA to the rest of the cell.

Explanation:

Messenger RNA (mRNA), molecule in cells that carries codes from the DNA in the nucleus to the sites of protein synthesis in the cytoplasm (the ribosomes).

Answer:

Haha jokester and the answer is A

Explanation:

Final answer:

Crossing two heterozygous individuals for brown and blue eyes yields a genotypic ratio of 1 BB:2 Bb:1 bb and a phenotypic ratio of 3 brown-eyed to 1 blue-eyed offspring.

Explanation:

When crossing two heterozygous individuals for eye color where B represents the dominant allele for brown eyes and b represents the recessive allele for blue eyes, the genotypic ratio is derived from the possible combinations of these alleles. A Punnett square for a heterozygous cross (Bb x Bb) will produce the following genotypes: BB, Bb, Bb, and bb. This results in a genotypic ratio of 1:2:1 (1 BB:2 Bb:1 bb). The phenotypic ratio, which looks at observable traits, will be 3:1 since the dominant brown eye allele will mask the blue eye allele in heterozygous individuals. Therefore, we will get 3 brown-eyed (BB or Bb) to 1 blue-eyed (bb) individuals.

Answer:

1. 7, the hawk eats the largest variety of organisms. We know this because the hawk has the most arrows pointing TOWARDS it.

2. 8, the mouse is an omnivore. It eats both plants (grass) and animals (caterpillars).

3. 2, the caterpillar.

4. 9, the bobcat.

5. 1, the snake.

Answer:

Not sure but the lizard is probably an omnivore

Explanation:

Bedding. Bedding is often the most obvious feature of a sedimentary rock and consists of lines called bedding planes, which mark the boundaries of different layers of sediment. Most sediments were deposited along a flat surface that was roughly parallel with the depositional surface.

Answer:

b

Explanation:

The salinity of water distinguishes between freshwater and marine biomes: freshwater having less than 1% salt and marine having higher salt concentration.

The characteristic of water that is used to distinguish between a freshwater biome and a marine biome is B) salinity of water. Freshwater biomes, which consist of ponds and lakes, streams and rivers, and wetlands, have a salt concentration of less than 1%. On the other hand, marine biomes, which include oceans, coral reefs, and estuaries, have higher salt concentrations. These differences in salinity are crucial because the organisms adapted to live in these environments have different tolerances for salt levels, influencing the types of life forms found in each biome.

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Final answer:

The option that is not a metric measure of volume is 'ograms,' as it is not a valid metric system unit. Centimeters cubed and liters are both metric measures of volume.

Explanation:

The student asks which of the following is not a metric measure of volume. The options given are centimeters cubed, ogams, liters, and the amount of water in a baby bottle. The metric measures of volume typically include units like liters, milliliters (mL), and cubic centimeters (cm³). These units are part of the International System of Units (SI units) used for volume measurements.

The correct answer is 'ograms' as this is not a valid measure of volume in the metric system. The option 'amount of water in a baby bottle' could refer to a metric volume if measured in liters or milliliters. Centimeters cubed (cm³) and liters are both standard metric units of volume. A milliliter is equivalent to one cubic centimeter, and thus these measurements can be used interchangeably for liquid volumes.

Answer: an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.

Explanation:

Answer:

my back! JK

Explanation:

a creature of an enormous gathering recognized by the ownership of a spine or spinal section, including warm blooded creatures, fowls, reptiles, creatures of land and water, and fishes.

Answer:

~chloroplasts~

Explanation:

Answer:

chloroplasts

Explanation:

Chloroplasts are organelles that conduct photosynthesis in plant cells, where the photosynthetic pigment chlorophyll captures the energy from sunlight, converts it, and stores it in the energy-storage molecules ATP and NADPH while freeing oxygen from water in plant and algal cells.

Answer:

The three parts of an amino acid are the carboxyl group, the amino group, and the central carbon that contains the R group.

Explanation:

Answer:

Carbon dioxide from the burning of fossil fuels accumulates in the atmosphere, where it causes global warming. But it also affects our oceans. As carbon dioxide enters the ocean, it reacts with sea water to form carbonic acid. ... Changes in ocean acidity are undeniably linked to human activities.

Explanation:

Answer:

The oceanic zone is subdivided into the epipelagic, mesopelagic, and bathypelagic zones on the basis of amount of light that reaches different depths.

Answer:

don’t even know

Explanation:

Answer:

The gizzard is an owl's second stomach. There are no digestive glands in the gizzard, and in birds of prey, it serves as a filter, holding back undigestible items such as bones, fur, teeth, and feathers. Some birds eat grit or small stones to aid with digestion.

Explanation:

The gizzard is an owl's second stomach. There are no digestive glands in the gizzard, and in birds of prey, it serves as a filter, holding back undigestible items such as bones, fur, teeth, and feathers. Some birds eat grit or small stones to aid with digestion.

Answer:

b and d

Explanation:

In the food chain, consumers are organisms that feed on other organisms. Primary consumers, like rabbits, eat producers such as plants whereas tertiary consumers, such as eagles, eat secondary consumers. The letters assigned to these consumers would depend on their placement in an example food chain.

In a food chain, consumers are organisms that eat other organisms. The primary consumer is at the second level of the food chain, and they predominantly eat producers, such as plants and algae. For example, rabbits eating grass. Corresponding to the letters, if grass is represented by a letter A and rabbits by B, then letter B would represent the primary consumer. The tertiary consumer is usually at the fourth level of the food chain, they are typically carnivores that eat secondary consumers. For instance, if we have snakes that eat rabbits and eagles that eat snakes, the eagle would be the tertiary consumer. Hence, if eagles are represented by the letter D, then that letter D would represent the tertiary consumer.

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Answer:

The object is considered to be neutral

Explanation:

Answer:

central nervous controls most functions of the body and mind. It consists of two parts: the brain and the spinal cord. The brain is the center of our thoughts, the interpreter of our external environment, and the origin of control over body movement.

Explanation:

.

Answer: All continental crust is made of granite.

Explanation:

The earth consists of multiple layers and the lighter particles are found on the upper surface and the heavier particles tend to settle in the base of the earth.

The continental crust is layer of earth which is composed of igneous, metamorphic and sedimentary rocks they usually forms the continents and the areas of the shallow seabed.

This area is base and usually consists of the heavier particles which is usually made of granite. It also contains volcanic lava and rock called basalt. Basalt and granite are heavier particles so they make continental crust.

Answer:

c

Explanation:

Birds are endotherms, so the statement accurately describes that birds can maintain a consistent body temperature, which is the third option, as endotherms maintain a consistent body temperature.

Birds are endothermic, which means they can maintain their body temperature without being affected by the external effects of the climate, and as they require a large amount of energy for flying, this allows them to generate the necessary heat to power their flight muscles. Maintaining a constant internal body temperature is necessary for many physiological processes such as digestion, respiration, hemostasis, etc.

Hence, birds are endotherms, so the statement accurately describes that birds can maintain a consistent body temperature, which is the third option, as endotherms maintain a consistent body temperature.

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Final answer:

Estuaries are biomes where fresh water from rivers meets the ocean, resulting in brackish water that is home to unique plants and animals, with salinity influencing the organisms' adaptations.

Explanation:

The phrase that best describes estuaries is that they are homes to unique plants and animals. Estuaries are biomes where a river meets the ocean, creating an area where both fresh water and salt water mix, resulting in brackish water. This environment forms protected areas that are crucial for the life cycles of many organisms, including the spawning and development of young sea creatures like crustaceans, mollusks, and fish. The salinity in estuaries is a significant factor that influences both the types of organisms found there and their adaptations to the changing environment. High and low tides bring about changes in the salt water content of estuaries, contributing to their unique biodiversity.

A drastic reduction in the population of the photosynthetic protist zooxanthellae would likely lead to severe disruptions to the ecosystem, including coral bleaching, decreased biodiversity, and a reduction in the quantity of photosynthesis, which would directly affect food chains.

If a hypothetical catastrophic event drastically reduced the population of zooxanthellae, a photosynthetic protist, the most likely result would be a major disruption to its specific ecosystem. Zooxanthellae are symbiotic with coral polyps, providing them with essential nutrients derived from photosynthesis. In return, the coral provides the protist with a protected environment and the compounds necessary for photosynthesis. This symbiosis is particularly critical in nutrient-poor oceanic environments, with zooxanthellae enabling corals to secrete the calcium carbonate skeletons that form reefs.

Consequently, a major population reduction of zooxanthellae could lead to a phenomenon known as coral bleaching, where corals lose their algal pigments and eventually die. This loss would have significant implications for the entire reef ecosystem. Coral reefs, for example, provide shelter and food to a wide variety of marine organisms; therefore, their destruction would negatively impact biodiversity and the stability of oceanic ecosystems.

Moreover, since photosynthetic protists like zooxanthellae are important primary producers, their drastic reduction could significantly diminish the amount of photosynthesis in oceanic ecosystems. This effect on photosynthesis would mean less carbon fixation, which could impact food chains and the availability of organic molecules necessary for life, especially for those species that directly consume protists.

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Answer: I think it’s b

Correct me if I am wrong

In humans, the protein CFTR regulates the components of sweat, digestive fluid and mucus. Humans normally have a normal form of CFTR protein.

Mutated form of CFTR protein is harmful. Individuals who inherit the mutated form of the gene usually develop serious health problems.

The cystic fibrosis transmembrane conductance regulator (CFTR) protein is an ion channel protein.

CFTR regulates balance of sodium chloride and water in body surfaces like lungs.

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Answer:

Plankons, fungi, bacteria, lichens etc. are the pioneer species of ecological succession. Pioneer species are hardy species which are the first to colonize previously biodiverse steady-state ecosystems. Some lichens grow on rocks without soil, so may be among the first form of life the example includes bacteria, fungi, and lichens.

Explanation:

To calculate the change in the rabbit population, the births and immigrants are added, and the deaths and emigrants are subtracted, resulting in an increase of 4 rabbits.

We can calculate the change in population of rabbits by considering births, deaths, immigration, and emigration. The initial population has 40 rabbits. Five rabbits are born, and three rabbits die. Additionally, four rabbits immigrate to and two emigrate from the population. So, the change in population is the sum of the births and immigrants minus the deaths and emigrants.

To calculate the population change: (5 births + 4 immigrants) - (3 deaths + 2 emigrants) = 9 - 5 = 4.

Therefore, the population has increased by 4 rabbits.

Final answer:

The change in rabbit population is an increase of 4 rabbits, after accounting for births, deaths, immigration, and emigration.

Explanation:

To calculate the change in population of rabbits, you need to account for births, deaths, immigration, and emigration.

Initial population: 40 rabbits

Births: +5 rabbits

Deaths: -3 rabbits

Immigration: +4 rabbits

Emigration: -2 rabbits

Now, let's calculate the change:

Add the number of births and immigration: 5 + 4 = 9 rabbits

Subtract the number of deaths and emigration: 3 + 2 = 5 rabbits

Calculate the net change: 9 rabbits (added) - 5 rabbits (removed) = 4 rabbits

The population change is an increase of 4 rabbits.

A large rock breaks down into sediment (Erosion), The water transports and deposits the sediments (Erosion)

Sediment is a general term that refers to any material which is present in a loose, unconsolidated form and is made up of particles of rock or mineral fragments. It is typically found in rivers, lakes, seas, and oceans, and can range from silt and sand, to gravel and pebbles, clay, and even organic material like bones and shells. Sediment can be created by weathering, erosion, and transport of materials from their source. It can also form through chemical precipitation and biogenic processes. Sediment is important in the environment as it helps to protect the aquatic species by providing a safe habitat, and it is also used as a reservoir for nutrients that can be used by other organisms.

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Final answer:

The two steps that involve erosion are when 1. A large rock breaks down into sediment and when 2. The water transports and deposits the sediments. Erosion encompasses both the breakdown and transportation processes.

Explanation:

The two steps that involve erosion in the formation of sedimentary rock at the bottom of a river are:

Erosion is essentially the process where materials are broken down and then transported from their original location. Sediments transported by water, wind, or glacial ice are examples of erosion at work, whereas deposition occurs when these sediments are laid down in new environments, such as the bottom of a river.

Answer:

mouth, pharynx, esophagus, stomach, Small Intestine.

Large Intestine.

Rectum.

Accessory digestive organs: liver, gallbladder, pancreas.

Answer:

Move from observing the most specific traits that can divide the organisms to the most obvious traits, offering 2 choices each time

Explanation:

dichotomous key reffers to a tool that give room to the user in determining the identity of items in the natural world. Items can be mammals, fish,wildflowers, mammals and reptiles. The particular key is made up of series of choices that help user to get the name of a particular item correctly. At the end dichotomous keys always bring about two choices in a step.

In dichotomous key the user has to select a choice out which of the two statements that describes the unknown organism best, with the reference of the choice made based of moves to the next set of statements, so at the end the identity of the unknown is clarified.

Therefore, in dichotomous key it move from observing the most specific traits that can divide the organisms to the most obvious traits, offering 2 choices each time

The optimal development of a dichotomous key requires starting with general traits and progressing to specific ones, making two choices available at each step.

The best way to develop a dichotomous key is to move from observing the most obvious traits that can divide the organisms to the most specific traits, offering 2 choices each time. This approach aligns with the principle of maximum parsimony, which suggests selecting the pathway with the fewest major events. By beginning with the most general traits, the dichotomous key can effectively narrow down to more specific characteristics, resulting in a logical and systematic classification or identification of species.

The best way to develop a dichotomous key is to move from observing the most obvious traits that can divide the organisms to the most specific traits, offering 2 choices each time. This approach allows for a systematic and logical progression in identifying and classifying organisms based on their traits. By starting with the most obvious traits, it helps narrow down the options and makes the key more user-friendly.

Answer:

Analogous structures

Explanation:

Analogous structures are characters that derived separately in two different species to achieve the same function. If the Thylacosmilus and Smilodon don't share an ancestor then saber teeth must be analogous

Answer:

The answer is A

Explanation:

Answer:

1st option

Explanation: just finished it