earthworms are hermaphrodites. what does this mean

Nervous system is the organ system that is mostly responsible for generating behavior in multicellular animals. The nervous system coordinates multicellular animal’s behavior and transmits signals within the body.  Specific excitatory and inhibitory substances are produced by the nerve cells for them to interact with each other and certain chemicals, sound and light is detected by the sense organs such as ear and nose which control the behavior and movement of multi cellular animals in their environment.

Neuron 

Neuron can be defined as excitable cell that usually carries, processes and transmit impulses or electrical signals. Thus, they are known to be basic unit of the nervous system which includes the spinal cord and brain. However, the signals between s neurons occur via certain connections called synapses.

The fundamental excitable cell in the nervous system is the neuron. Neurons transmit electrical signals, called action potentials, to convey information and produce movements in response to stimuli. They are also involved in thought processes within the brain.

The fundamental excitable cell in the nervous system is the neuron. Neurons are responsible for transmitting electrical signals, called action potentials, that convey information and produce movements in response to stimuli. They also play a crucial role in thought processes within the brain.

Neurons, the fundamental units of the nervous system, feature a cell body (soma), dendrites for receiving signals, and an axon for transmitting signals to other neurons or cells. Axon terminals release neurotransmitters, facilitating communication at synapses. Neurons exhibit electrochemical signaling, enabling the transmission of information throughout the nervous system, vital for cognition and behavior.

It is difficult to grow bordetella pertussis in a laboratory because of its inability to grow on ordinary laboratory media such as nutrient agar or macconkey agar. The organism will only grow on specialized media supplemented with charcoal, blood (20%), potato (starch) in order to absorb toxic substances which can inhibit its growth in the agar.

Final answer:

To identify if a beetle is becoming an invasive species, look for rapid population growth, harm to the ecosystem, or outcompetition of native species. Citizen reports and early response are key for controlling the spread. Signs include damage to trees, die-offs, and reduced insect diversity.

Explanation:

To determine if a non-native beetle is becoming an invasive species in a forest, several indicators can be observed. An invasive species often has rapid population growth, outcompetes native species for resources, and causes harm to the environment, economy, or human health. Early detection and rapid response are crucial for controlling invasive species. When citizens like the individual in Chicago who noticed the Asian longhorned beetle become informed and proactive, they can significantly aid in the monitoring and control efforts by reporting sightings to appropriate authorities.

Common signs of an invasive beetle might include noticeable damage to tree bark, leaves, or fruit, due to feeding or breeding activities, a sudden die-off of native trees, or an absence of previous insect diversity due to the invasive beetle outcompeting native species. Effective strategies like engaging the public through education, consistent monitoring, and establishing an early warning system are vital for successful management and potentially eradicating an invasive species before it becomes too widespread.

Insertion sequences (IS elements) are equipped with inverted repeats and a transposase enzyme, both critical for their ability to move within the genome.

All insertion sequences (IS elements) contain two essential features that are essential for their movement: inverted repeats and a transposase enzyme. The inverted repeats are short DNA sequences found at both ends of the IS element that are necessary for the transposase to recognize and cut the DNA for movement. The transposase is an enzyme encoded by the IS element itself that catalyzes the excision and integration of the IS element into a new location within the genome.

The correct order of events of sound transmission through the ear is;

5. Sound waves enter the external auditory canal

1. Sound waves strike the eardrum

2. The ear ossicles vibrate

4. The perilymph in the cochlea moves

3. Hair cells of the organ of corti vibrate

Final answer:

The correct order of events of sound transmission through the ear is as follows: sound waves enter the external auditory canal, sound waves strike the eardrum and make it vibrate, ear ossicles vibrate and amplify the vibrations, the perilymph in the cochlea moves, and hair cells of the organ of Corti vibrate.

Explanation:

The correct order of events of sound transmission through the ear is as follows:

Answer:

The answer is option B.

Explanation:

Components of human trafficking. With the end goal of misuse, which incorporates abusing the prostitution of others, sexual abuse, constrained work, bondage or comparative practices and the expulsion of organs.The United Nations characterizes human trafficking as the enrollment, transportation, exchange, harboring, or receipt of people by inappropriate means, for example, drive, snatching, extortion, or pressure for an ill-advised reason including constrained work or sexual misuse.

Answer:

Stanley has entered a rehabilitation facility for treatment of his addiction to barbiturates. He is immediately prevented from using the drugs and experiences agitation, restlessness, increased respiration, and insomnia. this phase of treatment is called detoxification.

Explanation:

Detoxification is the physiological or medicinal removal of toxic substances from a living organism. Detox from drugs or opioids can be dangerous for the person engaging in the detox, therefore having medical supervision during this phase of the treatment is highly needed. After a long time of the body being addicted to a specific drug, the more severe the detoxification symptoms are going to be, including agitation, restlessness, anxiety, flu like symptoms, and others.

Using binomial nomenclature, a red oak tree's scientific name should be written as 'Quercus rubrus.' The genus name is capitalized, and the species name is all in lowercase. Both names are typically italicized.

In biology, when writing scientific names for organisms, the naming follows the binomial nomenclature format. This involves writing the genus name first followed by the species name. The correct written form, therefore, of the scientific name for a red oak tree would be Quercus rubrus. The genus name starts with a capital letter, the species name should be in lowercase and the whole name should be written in italics.

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The right option is c. narcotic

Tylenol iii with codeine belongs to the group of medications called narcotic analgesics (pain relievers). Narcotics are drugs that are administered to provide relief from severe pain. Narcotics are sometimes prescribed when other forms of pain relievers are not working. Examples of narcotics are hydrocodone, codeine, tramadol and opium.

Answer:

D. multicellular, eukaryotic, photosynthetic

Explanation:

I took the test and got it right

The characteristics that all plants have in common are they are multicellular, eukaryotic, and photosynthetic. Therefore, the correct option is D.

Eukaryotic organisms are the organisms which are multicellular and have a well-defined nucleus and other organelles.

Plants are multicellular organisms and are eukaryotic with well-defined membrane bound organisms. They are photosynthetic in nature, which means that they carry out the process of photosynthesis, which is the conversion of solar light to chemical energy for the production of glucose.

They are present under the kingdom Plantae which have cell wall made up of cellulose. They also have chloroplasts, which are centers of photosynthesis. They have specialized reproductive organs to carry out reproduction. Therefore, the correct option is D.

Learn more about eukaryotic organisms, here:

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Answer:

Chromosomal mutation is the change in the structure or number of chromosome.

Explanation:

Chromosomal mutation simply refers to a change in the structure of chromosomes.

The structure of chromosome changes as a result of deletion, duplication, inversion or translocation.

Deletion refers to the loss of certain segments of the chromosome.

Duplication of segments of the chromosome leads to repetition of some genes.

Inversion is the change in the order of genes on a chromosome.

Translocation involves the insertion of chromosomal segments into a non-homologous chromosome.

Chromosome number can change as a result of non-disjunction during meiosis. This may result in aneuploidic or polyploidic chromosomal conditions

The answer is: C. The total mass of glucose and oxygen formed from photosynthesis is equal to the total mass of carbon dioxide and water used up during the reaction.

The other options either do not consider the masses of all reactants and products or incorrectly pair the masses of different substances, violating the law of conservation of mass.

There are 30-megawatt hours (MWh) per year of savings the students had identified for computers at the Penn State Mueller Laboratory Building. At Pennsylvania State University, an undergraduate class studied an environmental evaluation in one of their laboratory buildings in biology. They want to answer the question, "How is this building like an ecosystem?" Their evaluation result was a report that contains 52-page noting ways to lessen the Mueller Laboratory Building’s environmental footprint in terms of water, energy communications, maintenance, renovation, and food usage. The students establish techniques to save an almost $45,500 yearly in the energy cost alone for a building with 123 scientists and backing staff.  

Genetic modifications can be used to produce or select potentially useful properties of an organism. This is the major advantage of genetically modified organisms.

For example, genetic changes can be designed to make cows yield more milk or fight diseases better.