Biologists report that homosexual behavior among nonhuman animals is widespread.
Answers
According to biologists, gay behavior is common among nonhuman animals. Many human pursuits deviate from the statistical average, and as a result, they are occasionally seen to be unnatural.
This observation implies that immoral behavior is not always associated with unnatural activity. Over 1,000 animals have been shown to exhibit same-sex behavior, which can range from co-parenting to intercourse, and as researchers start to specifically seek for the behavior, the number will surely rise. Bisexuality is more common among animals than homosexuality, which is widely practiced. He goes on to add that in the animal realm, being entirely gay is "exceptionally unusual." You should be aware that there is presently no evidence to back up the notion that your dog or cat is gay, at least not in the way that humans define homosexuality. Still more than 130 different species of birds engage in gay behaviour, sometimes in large amounts.
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Related Questions
Which is a true statement about a zero net force?
A.
A zero net force causes a change to an object’s direction.
B.
A zero net force causes a change to an object’s acceleration.
C.
A zero net force causes no change to an object’s motion.
D.
A zero net force causes a change to an object’s speed.
Answers
The true statement about a zero net force is a zero net force causes no change to an object’s motion. Thus, option C is correct.
What is the effect of zero net force on the motion of the object?The effect of zero net force on the motion of the object is that a zero net force causes no change to an object's motion. A zero net force implies equilibrium condition.
According to Newton's second law of motion, the force which has been applied to an object has been directly proportional to the product of mass and acceleration of an object. When the net force implied on the object has been greater than zero, the object tends to move in the direction of the applied force.
Thus, a zero net force causes no change to an object's motion.
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Sometimes scientist disagree. For example, the models about how the oceans formed can be looked at as inside-out or outside-in. How does this type of disagreement fit into the scientific process?
By evaluating opposing arguments, scientific claims can be examined and strengthened.
Scientific logic depends on conflicting data collected by different groups.
Logical conclusions can only be made when all parties agree.
Scientific hypotheses are disproved when two scientists come to different conclusions.
Answers
Answer:
By evaluating opposing arguments, scientific claims can be examined and strengthened.
Explanation:
The purpose of argument is to establish a better, more accurate conclusion. This is demonstrated in the given scenario: because there is disagreement, scientists work hard to find conclusive evidence towards one point or another.
Why not B: It doesn't really depend on conflicting data, though a bigger sample size and more groups helps to get a wider representation. You want your results to gradually converge.
Why not C: This is so untrue! Disagreement is key to healthy discussion and honing down scientific points.
Why not D: Two scientists can disagree; this doesn't flat-out disprove hypotheses. What it does is cast light on their discrepancy and lead them to improve their conclusions or do more research.
all living cells maintain a polarized membrane, meaning that positive and negative ions are separated on either side of the membrane. what roles does this polarization play in function of neurons?
Answers
All living cells maintain a polarized membrane, meaning that positive and negative ions are separated on either side of the membrane.
This polarization plays a crucial role in the function of neurons, as it allows for the transmission of electrical signals, known as action potentials, along the length of the neuron.
The polarization of the membrane is maintained through the use of ion pumps, which actively move ions across the membrane to create a difference in charge between the inside and outside of the cell. This difference in charge is known as the membrane potential, and it is essential for the transmission of action potentials.
When a neuron is stimulated, ion channels open and allow ions to flow across the membrane, causing a change in the membrane potential. This change in potential travels along the length of the neuron, allowing for the transmission of information from one end of the cell to the other.
Overall, the polarization of the membrane is essential for the function of neurons, as it allows for the transmission of electrical signals and the communication of information between cells.
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True or false: in order to fill the following box, you would need to fill in 2 unit cubes in length, 2 unit cubes in width, and 3 unit cubes in height. you would then fill the rest of the box to cover all the space. sry no more info
false
true
Answers
The statement is True because In order to fill the box, you would need to fill in 2 unit cubes in length, 2 unit cubes in width, and 3 unit cubes in height.
This would give you a total of 12 unit cubes. However, depending on the size of the unit cubes, you may need more or less to fill the entire box. If the unit cubes are small, you may need many more to fill the entire space, whereas if the unit cubes are larger, you may need fewer.
Ultimately, the key is to ensure that the space is completely covered, so you may need to adjust the number of unit cubes you use accordingly. It is also important to note that if the box has any irregular shapes or spaces, you may need to use additional or different shapes of unit cubes to fill those spaces as well.
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Which of the following cycles nitrogen in an ecosystem?
I. decomposition
II. nitrogen fixation
III. photosynthesis
Answers
Answer:
II. nitrogen fixation
Explanation:
How does the sexual life cycle of the human species introduce genetic
variations? *
2 points
1. Random fertilization
II. Crossing over of alleles
III. Independent assortment of chromosomes
O I, II, and III
O I and II only
O I only
O I and III only
Answers
Which zone contains the headwaters of a stream system?
A. transition zone.
B. source zone.
C. floodplain zone.
D. delta zone.
E. littoral zone.
Answers
Answer:
A. transition zone
Explanation:
What is the best evidence to prove that Irene was heterozygous for hemophilia?
-Elizabeth is not a carrier for the trait.
-Tatiana carried the recessive allele.
-Her brother has hemophilia and her sister is a carrier.
-Two of her sons have hemophilia and one does not.
Attachment is here
Answers
Answer:
D) Two of her sons have hemophilia and one does not.
Explanation:
The fact that Waldemar (her son) was hemophilic, is the best evidence to prove that Irene was heterozygous for hemophilia. Walderman received the Y chromosome from his father and an X chromosome from his mother. The X chromosome that he received from his mother carried the recessive allele for the trait, and this is why he had hemophilia. This means that there is no best evidence for Irene´s genotype than her son´s genotype.
I hope it helps you!
Answer:
D
Explanation:
The Recognition-By-Components model of perception says that information about a scene is processed (a) by analyzing the image into a set of primitive volumetric shapes. (b) exclusively by matching the stimulus against a set of "top-down" templates. (c) by going in serial order through all possible interpretations of the visual image. (d) through interactions among different parts of a neuron's receptive field.
Answers
The RBC model states that visual information is processed by analyzing the image into a set of primitive volumetric shapes.
Recognition-By-Components (RBC) is a model of visual object recognition in which information is processed by analyzing the image into a set of primitive volumetric shapes called geons. The brain then processes information about these shapes to identify the object. RBC postulates that all objects are composed of a limited set of volumetric primitives that can be combined to form a virtually limitless variety of objects.
The RBC model is based on the geon theory, which suggests that object recognition relies on geon features of an object. Geons are simple 3D shapes such as cylinders, wedges, cones, etc. that make up objects. The model suggests that geon features can be easily identified in images and that people rely on them to identify objects. The model also suggests that objects can be identified independently of their view.
RBC postulates that once an object has been identified, the brain stores information about it in memory. The model has been successful in explaining many aspects of visual object recognition.
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a single amino acid mutation in ras eliminates its ability to hydrolyze gtp, even in the presence of a gtpase-activation protein (gap). approximately 30% of human cancers have this mutation. you have just identified a small molecule that prevents dimerization of a rtk that signals via ras. would you expect this molecule to be effective as a cancer treatment in the treatment of tumors that express this common ras mutations? explain your reasoning
Answers
Yes, I would expect this molecule to be effective for cancer treatment because ras mutation in these tumors leads to a constitutively activated ras pathway, inhibiting the activation of ras through disrupting RTK dimerization.
A single amino acid mutation in ras eliminates its ability to hydrolyze GTP, even in the presence of a GTPase-activation protein (GAP). This mutation is found in approximately 30% of human cancers.
To determine if the small molecule would be effective as a cancer treatment for tumors with the common ras mutation, its mechanism of action needs to be studied. Since the ras mutation affects its ability to hydrolyze GTP, which is crucial for its normal function, the presence of this mutation leads to continuous activation of ras signaling pathway.
The small molecule prevents dimerization of the RTK that signals via ras. Dimerization of RTKs is essential for their activation and subsequent activation of downstream signaling pathways, including ras. By inhibiting dimerization, the molecule disrupts the activation of the ras pathway.
Considering that the ras mutation in these tumors leads to a constitutively activated ras pathway, inhibiting the activation of ras through disrupting RTK dimerization could potentially be an effective strategy for cancer treatment. By preventing the activation of the aberrant ras pathway, the molecule could help to suppress tumor growth and progression.
However, it's important to note that the effectiveness of this molecule as a cancer treatment would depend on various factors, including the specific characteristics of the tumor and its response to targeted therapies. Further studies and clinical trials would be necessary to evaluate the therapeutic potential of this molecule in the treatment of tumors that express the common ras mutation.
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Food chains and food webs are....... used to describe energy transfers
Answers
Answer: As it goes down in the food chain, and as the energy is passed, only 10% is kept as energy- the rest is lost as heat.
Explanation:
can someone help me plz
Answers
Answer:
answer is c
Explanation:
cuz atomic size increases
Answer:a
Explanation:
first to answer easy question gets brainliest
Answers
Answer:
C Mitosis
Explanation:
At the end of interphase comes the mitotic phase, which is made up of mitosis and cytokinesis and leads to the formation of two daughter cells. Mitosis precedes cytokinesis
Answer:
C. MITOSIS
HOPE THIS HELPS
Describe the advantage of broad-leaved trees losing their leaves as winter sets in and the advantage of needle-leaved trees keeping their leaves if they are in poor soil
Answers
Answer:
The advantage of shedding broad leaves in the winter is to conserve the energy that needs to expand in order to provide heat to each part of the plant including leaves as in winters it becomes very dry and cold. If they do not shed their leaves they have to spend more energy to spend energy on leaves.
Needles like leaves have a thick cuticle layer that prevents from losing water in dry conditions or conditions with a limited amount of water in the soil. These leaves also help in photosynthesis by capturing more sunlight as they have a larger surface area. These adaptions can live in poor soil, rain and snowy conditions.
What are the yellow arrows showing . Please no links :) ill mark brainlest if you give correct answer
Answers
Answer:i am not 100 percent sure but i think the yellow arrows are showing the wasted carbon
if the hypothalamus was not stimulated by estrogen, which pathways would be interrupted?
Answers
The thyroid-stimulating hormone will be stimulated if estrogen does not activate the hypothalamus.
What is the hypothalamus?The hypothalamus is the part of the brain that secretes hormones to control the function of the body's organs and cells. The most important function of the hypothalamus is homeostasis, which ensures and maintains all body systems running stable.
The hypothalamus releases hormones to another part of the brain, namely the pituitary gland. This gland will then send these hormones to various other organs of the body.
Some of the hormones produced by the hypothalamus are:
Antidiuretic hormoneOxytocin hormoneSomatostatin hormoneGrowth hormone-releasing hormoneGonadotropin-releasing hormoneCorticotropin-releasing hormoneThyrotropin-releasing hormoneLearn more about the function of estrogen here :
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A side of the triangle below has been extended to form an exterior angle of 157º. Find
the value of x.
Answers
Answer:
180 is the total angle so,
Explanation:
180 - 157 = 23
Therefore,
x = 23
According to the Red Queen Hypothesis, predators and prey evolve together to gain small advantages against one another. Give an example of a prey and predator. How might they change slightly over time together? Why?
Answers
An example of a prey and predator that co-evolve due to the Red Queen Hypothesis is the cheetah (predator) and the impala (prey) in the African savannah. The impalas evolve to become faster and more agile, enabling them to outrun cheetahs.
The impalas develop longer legs, allowing for increased stride length and higher running speeds, as well as enhanced agility through improved coordination and quick directional changes. On the other hand, cheetahs develop longer, more muscular bodies to improve their acceleration and top speed. They also possess sharper claws for better grip during high-speed chases.
These changes occur because faster impalas have a higher likelihood of escaping predation, while faster cheetahs have a better chance of catching their prey. Thus, natural selection favors individuals within each species that possess advantageous traits, leading to the co-evolutionary chase between the predator and prey.
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The movement of ocean currents around the globe? Check all that apply. Strong winds force warm water to sink to the ocean floor. The Coriolis effect causes warm and cold water to mix. Cool dense water sinks to the ocean floor. Warm water replaces cool surface water. Wind blowing parallel to the shore causes upwelling of cool water.
Answers
Answer:
Explanation:
3,4,5
Answer:
3,4 and five
Explanation:
An impending myocardial infarction was successfully averted by thrombolytic (clot-dissolving) therapy in a 55-year-old man. Which of the following biochemical events most likely occurred during the period of hypoxia?
a. Decreased hydrogen ion concentration
b. Increase in oxidative phosphorylation
c. Loss of intracellular Na+ and water
d. Stimulation of ATP synthesis
e. Stimulation of anaerobic glycolysis and glycogenolysis
Answers
During the period of hypoxia, the most likely biochemical event that occurred and is associated with the successful averted myocardial infarction is stimulation of anaerobic glycolysis and glycogenolysis. So, option E is accurate.
Hypoxia, which refers to a lack of oxygen supply to tissues, triggers a series of adaptive responses in the cells. One of these responses is the stimulation of anaerobic glycolysis and glycogenolysis. In the absence of sufficient oxygen, cells shift their energy production from oxidative phosphorylation (which requires oxygen) to anaerobic processes. Anaerobic glycolysis breaks down glucose to produce energy in the form of ATP without the need for oxygen. Similarly, glycogenolysis breaks down glycogen, a stored form of glucose, to provide additional fuel for energy production. These mechanisms help sustain cellular energy production under hypoxic conditions and can mitigate the damage caused by reduced oxygen supply, potentially preventing a myocardial infarction.
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donker m, straver me, wesseling j, loo ce, schot m, drukker ca, et al. marking axillary lymph nodes with radioactive io- dine seeds fo
Answers
The purpose of marking axillary lymph nodes with radioactive iodine seeds is to aid in their localization and identification during surgical procedures, particularly in the context of breast cancer.
During breast cancer surgery, it is important to identify and remove the affected axillary lymph nodes for accurate staging and proper treatment planning. To facilitate this process, radioactive iodine seeds can be implanted in the axillary lymph nodes prior to surgery.
The radioactive iodine seeds emit radiation that can be detected using specialized equipment, such as a gamma probe, during the surgical procedure. This allows the surgeon to precisely locate and remove the marked lymph nodes, ensuring that all potentially cancerous nodes are appropriately excised.
By marking the axillary lymph nodes with radioactive iodine seeds, the procedure becomes more efficient and targeted. It helps reduce the risk of unnecessary lymph node removal while maximizing the likelihood of detecting and treating cancerous nodes.
Overall, marking axillary lymph nodes with radioactive iodine seeds improves the accuracy and success of axillary lymph node dissection in breast cancer surgery.
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The complete question is:
What is the purpose of marking axillary lymph nodes with radioactive iodine seeds?
what is a signal for protein degradation? group of answer choices attachment of a methyl group attachment of an acetyl group attachment of a poly-ubiquitin chain attachment of a ubiqutin molecule
Answers
A signal for protein degradation is the attachment of a poly-ubiquitin chain.
Protein degradation is the natural process by which the cell breaks down proteins that are no longer useful. This mechanism is used to remove misfolded proteins or peptides that have been damaged. The process of protein degradation takes place in cells in order to regulate their function by maintaining the levels of each protein at the appropriate level. The ubiquitin-proteasome pathway is one example of protein degradation. The process of ubiquitination is required for the proper function of the ubiquitin-proteasome system. It is the covalent attachment of one or more ubiquitin molecules to a target protein. The ubiquitinated protein is then recognized by the proteasome, where it is broken down into its component amino acids. A signal for protein degradation is the attachment of a poly-ubiquitin chain.
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Which sentence is more formal?
Rice is super important for billions of people around the world.
Rice is the staple food for billions of people around the world.
Answers
Answer:
I believe the second.
Explanation:
Super important seems to be informal in the first one
The term for cell division in bacteria is
Answers
Answer: Bacterial binary fission
Explanation: Bacterial binary fission is the process that bacteria use to carry out cell division. Binary fission is similar in concept to the mitosis that happens in multicellular organisms (such as plants and animals), but its purpose is different.
Volcanic eruptions are caused by? A gravity. B Pressure C Explosions D earths rotation please help
Answers
Answer:
I'm pretty sure it's B, pressure.
Explanation:
I hope this helped :)
Answer:
Although there are several factors triggering a volcanic eruption, three predominate: the buoyancy of the magma, the pressure from the exsolved gases in the magma and the injection of a new batch of magma into an already filled magma chamber. ... This lighter magma then rises toward the surface by virtue of its buoyancy.
Why were railroads a negative place for immigrants to work?
a. The company did not pay immigrants.
b. Racial hatred led to immigrants being repeatedly abused and beaten.
c. Chinese and Irish immigrant workers were used to do dangerous jobs and fast, unsafe paces.
Answers
Railroads were a negative place for immigrants to work due to racial hatred leading to abuse and beatings, and the utilization of Chinese and Irish immigrant workers for hazardous tasks at fast and unsafe paces.
Railroads during the period when immigrants were heavily involved in their construction and operation were often marked by unfavourable conditions for these workers. Racial hatred played a significant role in making railroads a negative place for immigrants. Immigrants, particularly Chinese and Irish workers, were frequently subjected to abuse and beatings due to prejudice and discrimination. They faced hostility and violence from their coworkers and even the general public, which made their work environment highly challenging and hostile.
Additionally, railroads exploited Chinese and Irish immigrant workers by assigning them to perform dangerous jobs and work at fast, unsafe paces. These immigrants were often tasked with the most hazardous and physically demanding tasks, such as handling explosives, working at great heights, and enduring gruelling work schedules. The companies took advantage of their vulnerability and willingness to work for lower wages, disregarding their safety and well-being.
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Which is one phenomenon that can cause waves to form in the ocean?
the gravitational pull of the moon
Coriolis effect
differences in water density
Light winds
Answers
Answer:
the gravitational pull of the moon
Explanation:
Answer:
Its A the gravitational pull of the moon
I just took the test
Explanation:
cellular respiration releases energy by breaking down
Answers
Leeches often attached to the tongue of a crocodile and consume the crocodiles blood as food the Egyptian Plover is a bird that flies into the mouth of the crocodile and eats the leeches the crocodile do not harm the plovers the relationship between a crocodile and the leech is an example of _________?
Answers
Answer: mutualism
Explanation:
According to the information given in the question, the relationship between a crocodile and a leech is an example of Commensalism.
What do you mean by Species interaction?Species interaction may be defined as a type of biological phenomenon through which the population of one species interacts with populations of other species that live in the same locality. There are various types of species interaction that can commonly be found in the nature and ecosystem.
According to the context of this question, the individuals of leeches attached to the tongue of a crocodile consume the crocodile's blood as food. In this way, the population of leeches gets benefits from the crocodile by taking their blood as a source of food and energy.
The Egyptian Plover is a bird that flies into the mouth of the crocodile and eats the leeches the crocodile does not harm the plovers. In this way, crocodiles do not get any harm or benefit from the population of leeches. So, this type of + and 0 interaction is known as Commensalism.
Therefore, the relationship between a crocodile and a leech is an example of Commensalism.
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In the deep south, pigweed has become resistant to herbicides which is making it harder to grow cotton. The weed will ruin tractors and requires manual labor to remove. The ppc could have a horizontal axis labeled as ______
Answers
In the given scenario, where pigweed has developed resistance to herbicides and poses challenges to cotton production in the deep south, the horizontal axis of the Production Possibilities Curve (PPC) could be labeled as "Labor-Intensive Techniques vs. Mechanization."
This labeling reflects the trade-off between employing labor-intensive techniques, such as manual weeding to control pigweed, and relying on mechanization, represented by the use of tractors and herbicides. The PPC illustrates the different combinations of labor-intensive techniques and mechanization that can be utilized in cotton production.
On one end of the spectrum, allocating more resources towards labor-intensive techniques involves manual labor for removing pigweed, which requires additional human effort and potentially higher costs. This option is depicted at one extreme of the horizontal axis.
On the other end, increasing mechanization implies a greater reliance on machinery, such as tractors and herbicides, to control pigweed efficiently. However, the resistant weed's ability to damage tractors introduces limitations and risks associated with this approach. This alternative is represented at the opposite extreme of the horizontal axis.
The PPC showcases the various trade-offs between labor-intensive techniques and mechanization, aiming to find an optimal balance that maximizes cotton production while effectively managing the challenges posed by pigweed resistance. It helps decision-makers visualize the available choices and make informed decisions regarding resource allocation and management strategies in response to the pigweed issue.
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