To which reptiles, living or extinct, are crocodiles and alligators most closely related?

Answer:

makes its own food

Explanation:

The unique feature of a typical organism in the plant kingdom is that they can synthesize their own food with the help of sunlight.

An organism may be defined as a living thing made up of one or more cells and able to carry on the activities of life.

Plant kingdoms have the ability to obtain their own food through the process of photosynthesis. It is the best description of the plant kingdom. They need sunlight and carbon dioxide for this activity.

Therefore, the unique feature of a typical organism in the plant kingdom is that they can synthesize their own food with the help of sunlight.

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Harry, being 30 years old, would have a maximum heart rate of around 190 beats per minute. His target heart rate zone, for moderate-intensity physical activity, would be between 50% (95 bpm) and 70% (133 bpm) of his maximum heart rate.

The target heart rate zone for moderate-intensity physical activity for a 30-year-old like Harry is between 50% and 70% of his maximum heart rate. The formula to find maximum heart rate is 220 minus the person's age. Therefore, Harry's maximum heart rate would be 220 - 30 which equals 190 beats per minute (bpm). To find the lower end of his target heart rate zone, we take 50% of 190 bpm, which gives us 95 bpm. For the upper end of the target zone, we calculate 70% of 190 bpm, which gives us around 133 bpm. Therefore, Harry's target heart rate zone lies in the range of 95 bpm to 133 bpm during moderate-intensity physical activity.

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The medulla can help with regulating heart rate, breathing, swallowing, sneezing, and coughing. it is a very important part of the body considering it takes care of all this :)

Upwelling brings those lost/sunk nutrients, plankton and carcasses to the surface. The surface then becomes feeding grounds for fish and other ocean life.    

The recommendation I would give her is that she should try to attain a healthy pre-pregnancy weight first because her weight might make it difficult for her to have a healthy pregnancy and a healthy baby. She can attain a healthy pre- pregnancy weight by having frequent exercise, eating healthily, and adhering to weight loss rules.

Well if this is not for school I would recommend she see a family docter of someone with expertise. But if this is for school, it is pretty important she loose some weight I would recommend being no more than 180 pounds.

Interactions between lions and African wild dogs that avoid the lions are positive and negative interactions (+/-)

Because the interaction between the two animals has two different sides. From the lion's side, the interaction is a positive interaction, because there are no other animals that disturb the area. From the side of stray dogs, this interaction is a negative one, because stray dogs cannot move freely in the lion's territory.

The environment for animals is all the biotic and abiotic factors that are around it and can influence it. Animals can only live, grow and breed in an environment that provides conditions and resources and avoid harmful factors.

There are 2 categories of environmental factors for animals, namely:

In the ecosystem of animals interact with the biotic environment, namely other animals, plants and other micro-organisms. Such interactions can occur between individuals, between populations, and between communities. The interaction is an ecological function of an ecosystem. Interaction between individuals can occur between individuals in a population or different populations.

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Class: high school

Subject: Biology

Keywords: animals, interactions, organisms

If a response increases a disturbance, the system is classified as a positive feedback system.

Positive feedback is defined as the process that occurs in a feedback loop that amplifies the effect of a small perturbation that involves an increase in the magnitude of the perturbation to the effect of the perturbation on the system.

Positive feedback is described as increasing or increasing the change or output where the feedback effect is amplified so that it can happen very rapidly. In this form of feedback, the output of the system is amplified, while oppositely, in negative feedback, the output is reduced or inhibited.

Thus, if a response increases a disturbance, the system is classified as a positive feedback system.

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Well people use the scientific method everyday in their jobs

Lets take a Culinary professional first when they want to make a new recipe they must first

Question what Ingredients might go well together

They then do research (Be if it is asking opinions)

They conduct a hypothesis

They then test it by making it

Then they collect data (Having people taste it)

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Communicate results of the Recipe

option a.

In a wastewater treatment plant, contaminants in the wastewater are removed through a process called selective precipitation. Upon successful treatment, the cleaned water is released back into the natural environment where it contributes to the water cycle.

The liquid in wastewater at a wastewater treatment plant undergoes a complex process of purification before being released into the environment. Initially, contaminants present in the wastewater, such as phosphate ions from manufacturing facilities, are removed through a process called selective precipitation. This process significantly reduces the risk of causing damage to marine life or turning water unsuitable for human consumption due to overgrowth of algae.

Once purification steps are completed, the treated water is released back into the natural environment. This may include freshwater bodies such as rivers and lakes, contributing to the continuous process of water cycle where water from the land and oceans enters the atmosphere by evaporation or sublimation, then condenses into clouds and falls as rain or snow.

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The liquid in wastewater at a wastewater treatment plant undergoes several treatment processes, including secondary treatment with microorganisms. The treated liquid, called effluent, is usually released into a nearby body of water or used for irrigation purposes.

The liquid in wastewater at a wastewater treatment plant undergoes several treatment processes to remove pollutants and make it safe for disposal or reuse. One common treatment method is called secondary treatment, where microorganisms break down organic matter in the wastewater. The treated liquid, often called effluent, is then typically released into a nearby river, lake, or ocean, depending on the location of the treatment plant.

In some cases, the treated liquid may be used for irrigation purposes, like watering crops or landscaping, in a process known as reclaimed water. However, it is important to note that this is not universal practice and depends on regional regulations and the quality of the treated liquid.

It is incorrect to say that the liquid is spread on hay fields as fertilizer, sent to a sanitary landfill, or stored underground in sealed bins as these methods are not typically used in wastewater treatment plants.

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ejecta

would be the answer

The groups of arthropods that have antennae include crustaceans and insects. Crustaceans are known for having two pairs of antennae, while insects have one pair. Myriapods also possess antennae, but unlike crustaceans, they have uniramous appendages.

Antennae in arthropods serve as sensory organs that are used for detecting the environment, which includes sensing chemicals, wind, and vibrations. Crustaceans, such as lobsters and crabs, have two pairs of antennae which are a distinctive feature alongside their biramous legs, formed in two parts known as endopods and exopods. This is in contrast to myriapods, like centipedes and millipedes, and hexapods, which comprise the insect group, both characterized by uniramous appendages, having legs formed in one piece. It's worth noting that the presence of antennae and the form of appendages is an expression of the diversity and evolutionary adaptations across the arthropod phylum.

the answer to your question is true

registers feelings, such as fear and pleasure

The limbic system connects the brain and the spinal cord.

The limbic system is a group of interconnected brain structures that play a crucial role in various functions related to emotions, memory, motivation, and learning. It does not connect the brain and spinal cord; that function is primarily performed by the brainstem. Instead, the limbic system is involved in the following functions:

Registers feelings, such as fear and pleasure: The limbic system is responsible for processing and regulating emotions. It includes the amygdala, which is particularly associated with emotions like fear, pleasure, and aggression.

Memory and learning: The limbic system, especially the hippocampus, is involved in forming and consolidating memories. It helps in learning and spatial navigation.

Motivation and reward: The limbic system, particularly the nucleus accumbens and the ventral tegmental area, is associated with motivation and the experience of pleasure and reward. It plays a role in reinforcing behaviors that are important for survival and well-being.

Regulation of basic drives: The limbic system influences various basic drives like hunger, thirst, and sexual desire. It helps regulate homeostasis, the body's internal balance.

While the limbic system is indeed critical for emotional processing and memory, it does not directly coordinate involuntary muscle movement or direct incoming sensory messages. Those functions are primarily attributed to other parts of the brain, such as the brainstem, cerebellum, and sensory processing regions in the cerebral cortex.

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Crown fires in Ponderosa pine forests can be beneficial by burning cooler and close to the ground, providing nutrients to trees. Forest regeneration through fire is essential, with specific tree species relying on fire for renewal.

Crown fires in Ponderosa pine forests tend to burn relatively cooler and stay close to the ground, which can clean up forest debris and provide a quick burst of nutrients to the trees. These fires can be beneficial in promoting ecosystem health and tree growth.

For example, jack pine trees require heat from fire for their seed cones to open, contributing to the regeneration of the forest through the burning of pine needles, enriching the soil with nitrogen.

Additionally, frequent low-severity fires can help eliminate pinyon and juniper seedlings in certain ecosystems, allowing for the regeneration of shrub-dominated plant communities.

Two species having similar amino acids in hemoglobin implies an evolutionary relationship or conservation of functionally critical amino acids. Hemoglobin's structure consists of around 600 amino acids, where a single substitution, as seen in sickle cell anemia, can have serious health implications.

Two species having similar amino acids in the hemoglobin protein suggest evolutionary relatedness or conservation of important structural features required for the protein's function. Hemoglobin has a quaternary structure made up of two alpha and two beta chains, each consisting of about 150 amino acids, totaling around 600 in the molecule. This complexity allows hemoglobin to efficiently bind oxygen. The conservation of particular amino acids, such as the two active site histidines and glycine B6, indicates their critical role in the protein's ability to function. Moreover, the sickle cell anemia mutation demonstrates the significant impact that a single amino acid substitution can have on hemoglobin's structure and function, drastically affecting health.

Answer:

Density independent factor

Explanation:

Drought is a natural phenomenon or process which occurs when there is inadequate supply of water.

This being a physical process depends on parameter such as rainfall in cm, area of the land/catchment, climatic conditions, total population etc.

Drought has no relation with the density based parameters and also it is an abiotic factor that depends only on geophysical process.

Thus, it is density-dependent factor

Answer: Acceleration

Explanation :

Acceleration = velocity / time

From this formula it is clearly seen that the change of velocity with time is acceleration.

Acceleration represents the rate at which velocity changes.

The quantity that represents the rate at which velocity changes is acceleration. Acceleration is the change in velocity over time, and it can be positive or negative depending on whether the object is speeding up or slowing down. For example, if a car is initially at rest and then starts accelerating, its velocity will increase over time.

Acceleration has numerous practical applications. In transportation, it determines the rate of change in velocity for vehicles, influencing speed, braking, and maneuvering. In engineering, understanding acceleration is crucial for designing machinery and structures that can withstand dynamic forces.  Overall, acceleration plays a pivotal role in various aspects of physics, engineering, technology, and daily life.

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Mosquitoes are vectors that carry malaria, a disease caused by Plasmodium parasites transmitted through their bites.

The correct match between a vector and the infectious disease it carries is 'mosquito -> malaria'. Mosquitoes are significant vectors of human diseases and are known for transmitting various diseases, including malaria, yellow fever, and dengue fever among others. Malaria is caused by Plasmodium parasites, which are spread to humans through the bites of infected female Anopheles mosquitoes. This establishes mosquitoes as the disease vector, as they transport the infectious parasites between human hosts. Conversely, fleas are the vectors for plague and ticks are responsible for spreading Lyme disease, which is caused by the bacteria B. burgdorferi.

Earthworms have adaptations that enable them to live in the soil. They demonstrate initial signs of cephalization, with no defined head structure. The difference between the digestive system of earthworms and Ascaris is due to their varied ecological needs and diet. Annelids are beneficial for ecosystem health and different from roundworms due to true body segmentation, a well-formed digestive system, and other unique morphological traits.

1. An earthworm is adapted to life in the soil in two distinct ways: It has a streamlined body for easy movement through soil and a well-developed digestive system that aids in the ingestion, digestion, and expulsion of soil and organic matter. The earthworm's body is divided into segments by septa, which allow for efficient movement by contraction and relaxation. 2. The term cephalization refers to organisms that have a head end where sensory organs and a brain are concentrated. While earthworms do not have distinct heads, their anterior ends house clusters of nerve cells, showing initial signs of cephalization as compared to organisms with no dedicated sensory end.

3. Ascaris and earthworms are different in their digestive systems due to each species' specific ecological needs and diets. Earthworms ingest soil, extract nutrients, and expel the remaining soil, while Ascaris lives in host intestines, absorbing nutrients already broken down by the host. 4. Both earthworms and Ascaris are hermaphroditic but vary in reproductive behavior. Earthworms cross-fertilize and lay eggs, while Ascaris self-fertilize.

5. Annelids play crucial roles in ecosystem functions, including soil fertility and nutrient cycling. They boost plant growth by creating burrows that improve soil structure and water flow and by their castings, rich in nutrients. 6. Key distinguishing features of Annelids from roundworms include true body segmentation, presence of chitinous hairs called chaetae, a well-developed digestive system, and the absence of a cuticle.

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Earthworms have adaptations such as a streamlined body and mucus secretion for life in the soil. They demonstrate cephalization by having nerve cells at the anterior end. Annelids differ from roundworms in having segmented bodies, a closed circulatory system, and a true coelom.

Earthworms have several adaptations for life in the soil. First, they have a streamlined, segmented body that allows them to easily navigate through soil. Second, their skin secretes mucus, which keeps their surface moist and aids in gas exchange.

Cephalization in earthworms is demonstrated by the concentration of nerve cells and sensory organs at the anterior (front) end of the body, forming a simple brain or cerebral ganglion.

The digestive systems of an earthworm and an Ascaris differ due to their distinct feeding habits and lifestyles. Earthworms have a complex digestive system suited for decomposing organic matter in the soil, including a mouth, pharynx, esophagus, crop, gizzard, and intestine. Ascaris, on the other hand, is a parasitic roundworm with a more simplified digestive system tailored to absorb nutrients directly from the host's digestive tract.

Annelids, such as earthworms, are beneficial as they improve soil structure and fertility through their burrowing and feeding activities. They help aerate the soil and decompose organic matter, enriching the soil with nutrients.

Features distinguishing annelids from roundworms include:

Because the disease is not serious enough