Loons, herons, and kingfishers have different methods of hunting fish based on the movement of their feet over the water body.
What are the different methods of hunting fish?Loons, herons, and kingfishers are the birds that catch fish as their prey. The birds have sharply pointed beaks, but their methods of hunting are different.
The hunting of fish by birds is done as follows:
The loon has feet similar to the duck. Loons propel the fish with their feet and duck down to catch the fish from the water. The loons have the ability to flip and change direction.The herons are able to stand still in the water body where they have their prey. The herons have long necks, and they dip their heads inside the water to catch the running fish.The kingfisher is able to catch the prey by keeping an eye on them. The kingfisher spots the prey and attacks it by submerging itself in the water body.Thus, the birds catch their prey with the movement of their feet over the water bodies.
Learn more about kingfisher here:
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6. the part of the circulatory system that brings carbon-dioxide filled blood to the lungs cell
The pulmonary circuit transports blood to the lungs. The blood is oxygenated there and then carried back to the heart. Gaseous exchange happens in the lungs:
Carbon dioxide diffuses from the blood into the air in the alveoli.
Although _[blank]_ makes up 78% of the Earth's atmosphere, it is not directly usable by most living organisms.
carbon dioxide
nitrogen gas
phosphorus
water vapor
Nitrogen gas is the answer.
Hope this helps.
Although Nitrogen Gas makes up 78% of the Earth's atmosphere, it is not directly usable by most living organisms.
Men and women ________ in the pleasure they receive from orgasm. pet scans have shown that ________ brain regions are active in men and women during orgasm
dont differ much, the same
Answer:
They are not really different compared to animals.
Explanation:
If a base-pair change occurs during DNA replication, this
is a mutation.
would be a mutation only if it falls in a protein-coding part of a gene.
would be a mutation only if it falls in a transcribed part of the genome.
is not a mutation, because only one base pair has been altered.
Correct Answer: "is a mutation"
This is the best answer choice because a mutation when at least one base pair changes to another.
Incorrect Answers:
"would be a mutation only if it falls in a protein-coding part of a gene"
Some mutations are more influential than others. If this mutation occurred in a region that codes for a protein, then it could greatly influence the structure/function of the the protein and therefore the cellular processes that the protein is used for. Oppositely, mutations can occur in regions that don't code directly for a protein and therefore could go completely unnoticed, making this a bad answer choice.
"would be a mutation only if it falls in a transcribed part of the genome."
A mutation can occur when the gene in transcribed from DNA → RNA, but the process of transcription is separate from that of DNA replication so that makes this answer choice not so good.
"is not a mutation, because only one base pair has been altered."
A mutation can be just when one base pair is altered, so this is an incorrect statement.
Which ocean zone receives the most amount of sunlight?
Bathypelagic zone
abyssopelagic zone
epipelagic zone
mesopelagic zone
The zones given to us are all of the ocean zones, which can be ordered the following way:
Epipelagic zone = sunlight zoneMesopelagic zone = twilight zoneBathypelagic zone = midnight zoneAbyssopelagic zone - abyss / abyss zoneSo, as we can see, the epipelagic zone is the one that is closest to the surface. The epipelagic zone ranges from 0m to 200m below surface. This also depends on the water clarity (which influences visibility).
Answer:
C./3 - Epipelagic zone.
Hope it helped,
BiologiaMagister
Phosphatases are a family of enzymes that specifically remove phosphate groups from proteins that were added by protein kinases. Vanadate is an inhibitor of phosphatases in eukaryotic cells. What effect would vanadate have on the response of cells to signals received by receptor kinases?
a. The response of the cell would be shorter than it normally would.
b. The signal would still bind the receptor, so there would be no effect.
c. The response of the cell would last longer than it normally would.
Answer:
C. The response would be longer than it normally would.
Explanation:
Because vanadate is an inhibitor it slows the cell signals which are received by the receptors.
The correct sequence of sensory processing is
A) sensory adaptation → stimulus reception → sensory transduction → sensory perception.B) stimulus reception → sensory transduction → sensory perception → sensory adaptation.C) sensory perception → stimulus reception → sensory transduction → sensory adaptation.D) sensory perception → sensory transduction → stimulus reception → sensory adaptation.E) stimulus reception → sensory perception → sensory adaptation → sensory transduction.
The correct answer is: B) stimulus reception → sensory transduction → sensory perception → sensory adaptation.
1. Stimulus reception-refers to activation of sensory receptors such as photoreceptor (vision), nociceptor (pain), olfactory receptor (smell), gustatiory receptor (taste) etc.
2. Sensory transduction-usually sensory receptor is connected (via synapse) with afferent neuron (sometimes receptor is by itself sensory nerve ending): stimulation of the sensory receptor activates the neuron, which then transports information about the stimulus to the CNS
3. Sensory perception-. specific processing regions of the brain are incolved in the perception of different stimuli. They are responsible for encoding of the type of stimulus, its location the duration, and the intensity.
4. Sensory adaptation-this phenomenon occurs when the sensory receptors become exposed to stimuli for a prolonged period, so their sensitivity to that stimuli is decreased.
The chemical reaction that breaks the bonds between chains of monomers is called _____.
The chemical reaction that breaks the bonds between chains of monomers is called hydrolysis.
Hope this helps,
Davinia.
Explain the chemical reaction for breaking down a polymer into individual monomers. The process of splitting the bond between monomers is called hydrolysis. Hydrolysis means “to break with water”. Since a water molecule was lost during dehydration synthesis, hydrolysis brings the water back.
Which of following processes is the function of the smooth muscle layer of the digestive system? a) Ingestionb) Secretionc) Mixing and propulsiond) Absorptione) None of these choices
The answer is "none of the above".
The smooth muscle is responsible for movement of food by peristalsis and mechanical digestion by segmentation.
The correct answer is: e) None of these choices
Beneath the epithelium layer in digestive tract (which is responsible for absorbtion) is the muscularis mucosa. Muscularis mucosa consists of layers of smooth muscle which can contract to change the shape of the lumen. The submucosa surrounds the muscularis mucosa and beneath it is another muscle layer called muscularis externa. Muscularis externa is composed of circular and longitudinal layers of muscle fibres that are responsible for the mechanical breakdown and peristalsis (pulsative movement) of the food within the lumen.
After earning an a in your biology course, your instructor gives you a firm handshake. you can feel the deep pressure of the handshake, and it is so strong it even starts to hurt a little. what type(s) of receptor was (were) activated by the handshake?
Answer:
Mechanoreceptors and nociceptors are the types of receptors that were activated by the handshake.
Explanation:
Sensory receptors are specialized cells that can sense and respond to various types of stimulus such as sound, pressure, odor, touch, light, and temperature. Sensory receptors are usually found near the surface of different part an organism’s body. Mechanoreceptors are a type of sensory receptors that detect and respond to mechanical pressure (such as when pressure is applied during hand shake), while nociceptors sense and respond to potential injury or damage in the body.
1. How does the structure of smooth and cardiac muscle differ from the structure of skeletal muscle?
Cardiac muscle is striated, as is skeletal, but cardiac muscle contains intercalated disks. ... Cardiac muscle pumps the blood through the smooth muscle-d arteries, which are then circulated to and through all of the skeletal muscles. Moving the body in certain voluntary ways can either restrict or enhance blood flow.
Answer:
appearance
structure
function
Explanation:
This is the period of time it takes for earth to make a complete rotation on its axis; 24 hours
not exactly but its close to 24 hours so true
your missing like 2 seconds lol
The Earth makes a complete rotation on its axis in approximately 24 hours, which defines a solar day. The actual time it takes for Earth to rotate once is called a sidereal day, which is about 4 minutes shorter than a solar day. Time zones are aligned with Earth's 15-degree hourly rotation to match local times with daylight hours.
Explanation:The period of time it takes for the Earth to make a complete rotation on its axis is approximately 24 hours. This duration is known as a solar day. It is during this period that the Earth rotates on its axis, alternately exposing one side to the sun. Each hour, the Earth rotates by 15 degrees, making a full 360-degree rotation in 24 hours.
However, it is important to note that the precise time for one rotation, often referred to as a sidereal day, is slightly less than 24 hours, being approximately 23 hours, 56 minutes, and 4 seconds. This difference arises because Earth is not only rotating on its axis but also orbiting the sun, requiring slightly more than a full rotation to bring the same meridian back in line with the sun for what we consider 'noon'.
Moreover, the Earth's rotation affects our time zones, which are established roughly every 15 degrees of longitude. This system allows local times to line up with similar hours of the day and night across different regions, ensuring the sun is generally overhead at noon in each time zone.
Suppose you find a rock with a goniatite fossil and another rock with an ammonite fossil? Which rock is older? How do you know?
Final answer:
The rock containing a goniatite fossil is older than the rock with an ammonite fossil because goniatites lived from the Late Devonian to the end of the Permian, while ammonites appeared later, in the Early Jurassic. This assessment is based on stratigraphic correlation using index fossils to determine relative ages of rock layers.
Explanation:
If you find a rock with a goniatite fossil and another rock with an ammonite fossil, the rock with the goniatite fossil is generally older. The reason is based on the known geological timeframes during which these creatures lived. Goniatites thrived in the Late Devonian and were prolific until the end of the Permian period, around 252 million years ago, which corresponds to the Capitanian extinction event. Ammonites, on the other hand, first appeared in the Early Jurassic, after the Permian and lasted until the end of the Cretaceous period. Therefore, since goniatites existed before ammonites, the rock containing a goniatite fossil would be older than that with an ammonite fossil. This principle of using index fossils is critical in relative age dating and relies on the known existence spans of these fossils to determine the relative ages of rock layers.
Additionally, fossils like ammonites are very common and can be indicative of narrower spans of geologic time because they are easily recognizable, existed for a short period, and had wide geographic distribution. This makes them ideal for stratigraphic correlation, which is a method used to correlate layers of rock in different locations by matching rock layers by their contained fossils. Hence, finding these fossils can indeed help place them on a stratigraphic column given such patterns and a guide to important species for relative dating can be used.
A client with a history of type 1 diabetes is demonstrating fast, deep, labored breathing and has fruity odor breath. what could be the cause of the client's current serious condition
Based on the symptoms present, he could be experiencing hyperglycemia.
Answer:
Ketoacidosis
Explanation:
Kussmaul respirations (as seen from our case stydy is fast, deep, labored breathing) are usual in ketoacidosis. Acetone, that is well volatile, can be observed on the breath via its specific fruity odor.
If treatment is delayed, the aftermath of ketoacidosis is failure of the circulatory system, renal becomes non-functional, followed by death.
Ketoacidosis is a usual phenomena in people diagnosed with diabetes that can't manufacture insulin, as the case maybe in type 1 diabetes. The probable reason is ketoacidosis.
Individuals with type 2 diabetes are tends to have the hyperosmolar hyperglycemic nonketotic syndrome due to insufficient amount of insulin, which could employ adequate amount of glucose in averting ketosis without sustaining a regular blood glucose level.
The most probable reason is ketoacidosis.
The cellular process of breaking down large molecules into smaller ones is defined as
The cellular process of breaking down large molecules into smaller ones is defined as catabolism.
Catabolism together with anabolism is part of the metabolism-set of all chemical reactions within an organism. Purposes of metabolic processes are to convert food energy into energy that is required for cellular processes, to synthesize the building blocks for proteins, lipids, nucleic acids, and some carbohydrates (macromolecules) and to eliminate nitrogenous wastes.
Catabolic processes (breaking down of macromolecules) are necessary for energy release (usually in the form of ATP) which is then used in anabolism-synthesis of compounds that cell needs.
Catabolism is the cellular process of breaking down large molecules into smaller ones, releasing energy and involving reactions such as the breakdown of ATP. This is essential for metabolism and is exemplified in the digestion of food where complex molecules are turned into simpler monomers.
Explanation:The cellular process of breaking down large molecules into smaller ones is defined as catabolism. Catabolic reactions are crucial for the body's metabolism. During these reactions, complex molecules such as carbohydrates, lipids, and proteins from ingested food are broken down into their simpler components. Catabolism not only aids in digesting food but also includes the breakdown of ATP (adenosine triphosphate), which is vital for releasing the energy necessary for various metabolic activities in all the body's cells.
An example of a catabolic process is digestion, where food molecules undergo hydrolysis reactions to become individual monomer units suitable for absorption and use by the body. This is oxidative in nature and leads to energy release. However, not all this energy is captured; some is conserved in the form of ATP, which cells can then use for energy-consuming activities.
A serious and potentially deadly medical condition with symptoms that include psychotic behavior, elevated temperature, and an extreme fight-or-flight response by the nervous system is called ______.
your answer is excited delirium.
All living organisms on earth grow, maintain homeostasis, and undergo cell division. Two types of cell division are binary fission and mitosis. Which claim most accurately describes the relationship between mitosis and binary fission?
A) Mitosis and binary fission are identical processes.
B) Mitosis is a process likely derived from binary fission, found in ancestral bacterial
C) Binary fission and mitosis likely evolved separately since they have few similarities.
D) Binary fission only occurs in yeast and fungi, mitosis only occurs in plants and animals.
the correct answer is b. i hope this helps you
How do the oceans influence wind speed and direction? A. The Gulf Stream causes wind to blow north with the current. B. The flat surface of the water slows down the wind. C. Temperature differences between the ocean and the land cause sea breezes and land breezes. D. The movement of the crashing waves produces wind toward the land.
Answer:
C
Explanation:
Water has a high heat capacity than land. Therefore it takes more energy to raise water by one degree that it takes to land. Therefore on a sunny day, land heats up faster than the adjacent ocean and creates a low-pressure system. This is how to land breeze is created. Conversely at night, land cools faster than water hence the low pressure system shifts to the oceans. Sea breeze is created.
Answer:
The Correct Answer is C.
Explanation:
At night, the temperature of the air above the water is warmer as compared to the temperature of the air above the sand.The Air above water moves upward and the air from the sand moves in, producing the breeze that comes for the land.A sea breeze occurs near coasts during the day, lands warm up more quickly as compared to water and warm air rising up and pulls land cool air in from the Sea.
The _[blank]_ is the zone where no sunlight penetrates the water.
biotic zone
sunlight zone
aphotic zone
intertidal zone
Answer: Aphotic zone
less than 1% of sunlight penetrates the depths of the waters in the Aphotic zone
In a resting neuron, the inside of the cell is __________.
positive relative to the outside of the cell because the myelin sheath around the axon carries a negative charge
negative relative to the outside of the cell because of differences in ionic composition of the fluids inside and outside of the cell
positive relative to the outside of the cell because only positively charged ions are allowed into the cell
negative relative to the outside of the cell because the myelin sheath around the axon carries a positive charge
More negatively charge than the outside.
During the interview more favorable traits and successful life outcomes are usually ascribed to
More attractive candidates.
An object has a kinetic energy of 32 J and a mass of 36 kg, how fast is the object moving?
Answer:
1.33 m/s
Explanation:
The formula for Kinetic Energy is given as:
[tex]K.E=\frac{1}{2} mv^{2} \\[/tex]
Where, m is the mass and v is the velocity of the object. In order to tell how fast is the object moving we need to calculate its velocity.
Re-arranging the above equation and isolating v, we get
[tex]2 K.E = mv^{2}\\\\v^{2} = \frac{2 K.E}{m}[/tex]
Putting values in this equation, we get:
[tex]v^{2}=\frac{2 \times 32}{36}\\\\ v^{2}=\frac{16}{9}\\\\ v=\frac{4}{3}\\\\ v=1.33[/tex]
Thus, the object is moving with a velocity of 1.33 m/s
Which statements describe the effects of indoor pollution? Check all that apply. Ultrafine particles cause poor health. Nose hairs and mucus catch all the particles before they reach the lungs Ultrafine particles are absorbed by the lungs when people breathe. Ultrafine particles contribute to more than 20,000 deaths per year in the United States. Most ultrafine particles can be seen with the unaided eye.What happens when the atmosphere interacts with the biosphere? Check all that apply. Winds are produced. Groundwater supplies are replenished. Carbon dioxide is cycled during plant respiration. Water vapor is available for plant photosynthesis. Volcano eruption influences the cycling of nitrogen.
The correct statements that describe indoor pollution are;
Ultrafine particles cause poor health.Ultrafine particles are absorbed by the lungs when people breatheB. The following happens when atmosphere interact with biosphere.
Carbon dioxide is cycled during plant respiration. Water vapor is available for plant photosynthesisWhat is indoor pollution?Indoor pollution is the release of toxic substances withina confinement or house or environment which make the environment unsafe for habitation.
Therefore, The correct statements that describe indoor pollution are;
Ultrafine particles cause poor health.Ultrafine particles are absorbed by the lungs when people breatheLearn more about pollution below.
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According to the ipats model (notice the extra letter on the end), if an ecosystem's sensitivity is low, will the environmental impact be higher or lower than an ecosystem with higher sensitivity?
Final answer:
In the IPATS model, an ecosystem with low sensitivity has a lower environmental impact than one with higher sensitivity. Highly resilient ecosystems are less vulnerable to climate change. Economic tradeoffs in environmental conferences reflect the balance of immediate economic needs versus long-term environmental goals between low-income and high-income countries.
Explanation:
According to the IPATS model, which stands for Impact = Population x Affluence x Technology x Sensitivity, the environmental impact of an action depends on these factors. When considering an ecosystem's sensitivity, a low-sensitivity ecosystem will generally have a lower environmental impact compared to an ecosystem with higher sensitivity. This is because ecosystems with low sensitivity are more resilient and able to absorb disturbances without significant changes to their structural characteristics or function. Consequently, even if the population, affluence, or technology aspects suggest a high potential impact, the actual impact is mitigated by the ecosystem's low sensitivity.
A highly resilient ecosystem is able to recover from disturbances and continue to provide ecosystem goods and services. It's less vulnerable to climate change effects like temperature rises because the flora and fauna are better adapted to handle fluctuations in their environment.
In international conferences on global environmental damage, the economic tradeoffs often involve balancing the immediate economic needs of low-income countries with the long-term environmental protection goals that are a priority for high-income countries. This can lead to disagreements on responsibilities and funds allocation for environmental protection measures.
Which of the following most accurately describes a coelom?
body structure that is located outside the ectoderm
body cavity that contains the internal organs
body part that occurs in animals that have radial symmetry
body part that exists in all animals
Body cavity that contains the internal organs.
Answer:
Body cavity that contains the internal organs.
Which of the following are threats to biodiversity?
Select all that apply.
designating protected areas
sustainability efforts
altering habitats
pollution
altering habitats and pollution
altering habitats and pollution
Which two organelles contain their own dna
When plotting a 20 week old infant's weight on a standardized growth chart?
You calculate the variables in. What is the real question here?
Which of the following statements about the smooth endoplasmic reticulum is/are correct? a.Liver cells are abundant in SER. b.The testes and ovaries are tissue types whose cells are abundant in SER. c.The SER is the primary location for synthesis of membrane-bound proteins. d.Cholesterol is made in the SER. e.The luminal face of the SER is the main site at which membrane lipids are synthesized. f.Phospholipids are synthesized from cytosolic water soluble precursor molecules. g.Flipases are the enzymes that allow lateral movement of a lipid within a leaflet.
Answer:
• Liver cells are abundant in SER.
• The testes and ovaries are tissue types whose cells are abundant in SER.
• Cholesterol is made in the SER.
• Phospholipids are synthesized from cytosolic water soluble precursor molecules.
Explanation:
This is because liver cells contain enzymes that metabolize various lipid-soluble compounds.
This is because testes and ovaries produce steroid hormones (cholesterol is the precursor for their synthesis).
ER is the organelle at which all membrane lipids are synthesized.
Phospholipids are the main lipids that are the main structural components of the cell membrane. They are synthesized on the cytosolic side of the ER membrane, from water-soluble cytosolic precursors.
Carbon dioxide can be represented by the chemical formula A) C2O B) CO2 C) Ca2O D) CaO2
B.) CO2 that is the chemical formula for carbon dioxide
Answer:
CO2
Explanation:
Carbon dioxide is made by the combination of carbon and dioxide.
For the formation of carbon dioxide the reaction that takes place is as follows:
C + O2 ------> CO2
Here the valency of carbon is 4 and that of oxygen is 2.
A double bond is formed between an atom of carbon and two atoms of oxygen as shown in the image and this results in the formation of carbon dioxide, CO2.