where did the rats come from and why did they have a negative effect on the palm trees on Easter Island
Which structure in the cheek cell did you observe that separates and protects the cell from the environment?
In the cannon-bard theory of emotion, the thalamus sends simultaneous messages to the _____.
a. cortex and autonomic nervous system
b. central nervous system and peripheral nervous system
c. endocrine system and muscular system
d. parasympathetic nervous system and sympathetic nervous system
Which of these shows the level of complexity, from simplest to most complex?
A. organism - organs - organ systems
B. organs - organ systems - organism
C. organ systems - organism - organs
D. organs - organism - organ systems
Which example describes animals living in a social hierarchy? Check all that apply.
1)a male peacock displaying its feathers to attract females
2)a worker bee defends the hive while the queen bee lays eggs
two caribou that fight to live in a certain area
3)a prairie dog barks to alert family members when it spots a predator
4)a killer whale that lives and hunts alone in the ocean
A worker bee defends the hive while the queen bee lays eggs
A prairie dog barks to alert family members when it spots a predator
Answer:
The correct options are option 2 and option 3.
Explanation:
Honey bees are social insects that live like an organized family group. Bees can be up to 30000 in number in each group. Bees live in a hierarchy of three levels or it can state as three types of bees- The queen bee lays eggs, worker bee protects the hive and drone.
Prairie dogs are also social animals lives in family groups. these groups called coteries with an adult male, one or more adult female and their young ones. he prairie dogs use advance communication barks to alert the coteries when they spot any predator.
Populations in which reproduction within the group is encouraged are called:
a. polygamous.
b. bigamous.
c. exogamous.
d. endogamous.
The correct answer is D. Endogamous.
Explanation
Endogamous is a term used to refer to the practice of some group of individuals who radically rejects the incorporation of individuals outside their group or community. Also, this refers to an attitude of communities that prevent members of other groups from associating or joining in marriage, reproduction, or other relationships with members of their group.
This practice was very common in antiquity because it allowed power to be kept within the same family or to maintain the purity of a supposed race. So, the correct answer is D. Endogamous.
A closed system can experience an increase in entropy only when irreversibilities are present within the system during the process
Which traits are likely to be different alleles of the same gene? Check all that apply.
thick eyebrows and thin eyebrows
a large nose and an oval face
curly hair and straight hair
blond hair and curly hair
Answer:
The correct answers are option A and C
Explanation:
just took the test :D
What influences the appearance and function of skeletal muscle?
Myopathies is the term of the disease of skeletal muscles. The responsible for muscle contraction are the interaction of myosin and actin. The responsible for the striated appearance of skeletal muscle, and forms the basic machinery necessary for muscle contraction is called sarcomere.
Please help as soon as possible!!! :)
Paraphrase the following text:
Diabetic neuropathy is a type of nerve damage that can occur if you have diabetes. High blood sugar (glucose) can injure nerve fibers throughout your body, but diabetic neuropathy most often damages nerves in your legs and feet
What can be said about the relationship between enzymes and proteins? a few enzymes are proteins. no enzymes are proteins. a few enzymes contain proteins. all enzymes are proteins. all enzymes contain proteins. most enzymes are proteins?
Most enzymes are proteins that act as biological catalysts, speeding up chemical reactions with high specificity. While all enzymes are proteins, not all proteins act as enzymes, as they have a variety of functions. Some enzymes, known as metalloenzymes, contain metal ions that are essential to their function.
Explanation:When discussing the relationship between enzymes and proteins, it is important to recognize that most enzymes are indeed proteins. These biological catalysts are composed of long chains of amino acids that fold into specific three-dimensional structures, determining their activity and functionality. Enzymes specialize in speeding up chemical reactions within cells, and they do so with remarkable precision and specificity; each enzyme typically catalyzes only one or a few chemical reactions. While all enzymes are proteins, not all proteins are enzymes, since proteins have a wide variety of functions including structural roles, such as in cell shape and muscle tissues, as well as in transporting molecules and replicating DNA.
Additionally, it's worth noting that while most enzymes are purely protein in nature, some are metalloenzymes, which are metalloproteins that act as enzymes. These metalloenzymes have one or more metal ions that are necessary for their catalytic activity, further illustrating the diverse nature of enzymes. Therefore, the correct statement regarding the relationship between enzymes and proteins is that most enzymes are proteins.
The __________ is responsible for regurgitation of food during rumination.
The correct answer is the reticulum.
Rumination refers to the procedure of rechewing the cud, which facilitates the complete dissociation of the cellulose-rich plant matter. Ruminants refer to a category of herbivorous mammals, they are hoofed, toed mammals that consume food in bulk and digest afterward. For example, sheep, cow, goat, camel, giraffes, and others.
The main characteristic of ruminant mammals is their chambered stomach. The ruminant stomach has four chambers, that is, the reticulum, rumen, abomasum, and omasum. The reticulum refers to the second chamber of the ruminant stomach. It exhibits regular contractions that precede the biphasic ruminal contraction for digestion of food particles.
Suppose you are on a remote island known to have mice that carry either s. aureus or
e. coli. a mouse bites you and you develop an infection. there is no biology lab on the island, but there is a supply of antibiotics. you can only take one antibiotic because taking more than one will make you very sick from the drug interactions. which antibiotics would be the most effective for fighting the unidentified infection
Answer:
You should take the penicillin and neomycin.
Explanation:
Neomycin is an antibiotic that has been shown to be effective in combating gram-negative bacteria, including Staphylococcus aureus (S. aureus). This antibiotic is also used to treat some skin, liver or intestinal infections. Penicillin, in turn, is another effective antibiotic for fighting Escherichia coli (E. coli). It can also be used to treat ear, throat, and urine infections, as well as treating pneumonia, sinusitis, rheumatic fever, meningitis, among others.
What are the responsibilities of the region of the brain highlighted below? Highlighter portion is at the bottom of the brain, forming a connection between the center of the brain and the spinal cord. Regulating important involuntary bodily functions such as blood pressure, heart rate, breathing, and swallowing. Regulating homeostasis, hunger and eating, thirst and drinking, and many other functions of basic survival. Controlling voluntary body movements, processing information from sense organs, thoughts, and learning abilities. Coordinating movement and balance by using information from sensory nerves, including hand-eye coordination.
Answer:
A) Regulating important involuntary bodily functions such as blood pressure, heart rate, breathing, and swallowing.
Explanation:
Why is the percentage of food eaten a good number to use
The lowest surface temperature yet measured on any body in the solar system (–200 degrees C) occurs on
Answer:
I agree with the other guy he is correct give him the brainliest
Conjunctivitis in a child that is accompanied by acute otitis media is treated with:
Conjunctivitis accompanied by acute otitis media is treated with oral or intravenous antibiotics to stop the spread of infection.
Explanation:Conjunctivitis in a child that is accompanied by acute otitis media is treated with oral or intravenous antibiotics to stop the spread of the infection. In this case, the conjunctivitis is likely caused by bacteria acquired during a vaginal delivery. Antibiotic treatment is effective in treating bacterial conjunctivitis, including cases accompanied by acute otitis media. It is important to seek medical attention for proper diagnosis and treatment.
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What makes coal a nonrenewable resources?
A) It takes millions of years to form
B) When burned, It contributes to global warning
C) It can be replenished within a person's lifetime
D) When burned, is adds pollutants to the air
Which specific term describes teeth with two ridges, as found in old world-monkey molars?
Teeth with two ridges found in Old World monkey molars are described as 'bilophodont.' This distinctive feature of the molars in Cercopithecoidea aids in processing their omnivorous diet.
Explanation:The specific term that describes teeth with two ridges, as found in Old World monkey molars, is “bilophodont.” This term refers to the most distinctive feature of the molars belonging to the Cercopithecoidea, a group within the Catarrhini which includes Old World monkeys. These molars exhibit two parallel ridges that are adapted for their omnivorous diet, which often includes a variety of fruits and leaves.
Within the Phylum Chordata, specifically among the class Mammalia, Old World monkeys have adapted these bilophodont molars for processing different kinds of foods, efficiently crushing and grinding their food for digestion. Understanding the dental structures of primates like Old World monkeys aids in the study of their dietary habits and evolutionary history.
Surface processes that work to break down rock are called which of the following?
a. erosion
b. weathering
c. organic decay
d. filtering
(the answer is b. weathering) ( i only did this because no one had this question right)
Answer: b. weathering
Explanation:
Weathering is a natural process which results in the break down of the rocks into parts, sediments and other materials. The weathering can be caused by physical or chemical agent. The physical agents such as water, warm temperatures, and ice and others causes the physical weathering. The chemical agents like rain water and oxygenated air causes chemical weathering.
According to skinner, biology is important because 1. every type of organism is subject to a unique learning process. 2. it determines an organism's range of potential responses. 3. most important behaviors of an organism are innate. 4. it determines an organism's appearance. 5. the genetic contributions of the parents vary between organisms within a species
What protein makes up your hair and nails?
The protein that makes up your hair and nails is called: keratin.
What is keratin?Keratin is a protein that is fibrous in nature and known for its presence in the hair, hoofs, and feathers of animals. This protein is particularly present in the hair of humans.
It helps to give structure to human hair. Keratin supports the skin and the hairs and also helps them to heal fast in the case of an accident. So, the protein in question is known as keratin.
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Which approach should the nurse use in sharing this information with jamie and her mother?
Abiotic components of a community include all of the following except
Answer:
plants are the right option for me but im not sure what your options are so any thing nonliving is abiotic
Explanation:
Dna has unique properties that allow it to accurately retain genetic information, even after multiple rounds of replication. one aspect of dna that allows it to accurately store genetic information is the base pairing from chargaff\'s first rule of the four nucleotide bases. if the a content of a dna molecule is 16%, what are the percentages of the remaining bases?
The two major divisions of the peripheral nervous system are the _______ and _______ divisions.
The peripheral nervous system is divided into sensory and motor divisions, with the motor division further split into the somatic and autonomic nervous systems.
The sensory division is responsible for transmitting sensory information from the body to the central nervous system, which includes the brain and spinal cord. The motor division is further divided into the somatic nervous system, which controls voluntary muscle movements, and the autonomic nervous system, which controls involuntary functions such as heart rate and digestion.
Which sample has the most evenness among the species studied?
Sample Number of Individuals Total Number of Species Distribution
1 1,175 2 Species 1: 575
Species 2: 600
2 761 4 Species 1: 600
Species 2: 107
Species 3: 4
Species 4: 50
3 450 2 Species 1: 410
Species 2: 40
4 295 3 Species 1: 250
Species 2: 41
Species 3: 4
sample 1
sample 2
sample 3
sample 4
I think the answer is sample 1
Hope this helps!
Answer:The answer is sample one
Explanation:
Which can associate a suspect's gun with a crime?
Final answer:
Forensic techniques, such as fingerprint analysis, matching gun descriptions, and knowledge of altered serial numbers, are used to associate a suspect's gun with a crime.
Explanation:
To associate a suspect's gun with a crime, law enforcement can use a variety of forensic techniques. The presence of a suspect's fingerprints on a gun can indicate ownership or use, but does not necessarily prove they committed a crime with it. It's possible, as in the scenario described, that someone else could have stolen the gun and used it in a crime, hence simply finding Jeremy's prints on his own gun doesn't conclusively show he killed Tim.
Furthermore, if the gun found at a crime scene matches the description of a gun owned by a suspect, such as a 9mm Beretta PX4 Sub-Compact, this could be a compelling piece of circumstantial evidence. However, if a witness like Isabel cannot reliably distinguish between gun models, her testimony may not be definitive. Courts look for additional evidence such as the knowledge of altered serial numbers, which the Indiana Court of Appeals ruled on, deeming the defendant's week-long possession and the gun's altered appearance sufficient for a juror to infer knowledge of the crime.
these sources of information are used to determine the relationships among different species. which provides information at the species level?
This change in the gene pool is a result of hybridization. In scientific terms, we could call this a method of
Hello. This question is incomplete. The complete question would be:
"A farmer was growing the peas seen here: round and yellow are dominant traits; green and wrinkled are recessive traits. The farmer's goal was to produce a crop of round, green peas. To do this, she introduced plants that bred true for green seeds (peas). Over time the gene pool was modified and the presence of yellow peas became non-existent. This change in the gene pool is a result of hybridization. In scientific terms, we could call this a method of A) gene flow. B) emigration. C) niche shift. D) genetic drift. "
Answer:
A) Gene Flow
Explanation:
Gene flow is nothing more than the movement of genes from one population to another. This can be seen in the question above, where the farmer introduced a population of plants that had the characteristic he wanted in the existing plant population with the goal of transferring genes from one population to another.
This flow, also called migration, is ensured by the insertion of new genes in a population thanks to the arrival of new individuals. Gene flow therefore ensures that populations are less genetically differentiated.
Gene flow is an important factor related to genetic variability. If an individual from one population migrates to another and inserts his or her gene into the population, if not an existing gene, it provides increased genetic variation.