An example of an ectothermic organism that has few or no behavioral options when it comes to its ability to adjust its body temperature is a __________.
A. sea star living deep in the ocean
B. bass living in a farm pond
C. hummingbird flying through a prairie
D. honeybee in a hive on a rural farm
Answers
An example of an ectothermic organism that has few or no behavioural options when it comes to its ability to adjust its body temperature is a sea star living deep in the ocean.
Ectothermic organisms are organisms in which internal physiological heat sources are of relatively minor or negligible importance in controlling body temperature.
These organisms (e.g. sea star) depend on environmental heat sources, allowing them to operate at a very economical metabolic rate.
Some of these animals live in environments with practically constant temperatures, which are characteristic of regions of the deep ocean and can therefore be considered endothermic temperatures.
On the other hand, in places where temperature changes greatly limit the physiological activities of other thermophilic species, many species have the habit of seeking outside heat sources or sheltering from heat.
For example, many reptiles regulate their body temperature by exposing themselves to the sun or seeking shade when necessary, along with a variety of other behavioural thermoregulatory mechanisms. For home pet reptiles, owners can use a UVB/UVA light system to help the animals bask in the sun.
Unlike ectotherms, endothermic organisms depends largely, if not primarily, on heat from internal metabolic processes, and mesotherms employs an intermediate strategy.
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Related Questions
the map below shows the distributions of three species of anole lizards in the genus norops. which of the following distributions shift might be expected for these species in light of climate change?
Answers
Option (1) is correct. We recognise that those lizards' species belong to identical genus Norops. These 3 species i.e. Norops sagrei, Norops valencienni and Norops auratus have to be residing withinside the most important island.
Intraspecific opposition for meals and habitat brought about the separation of those species. Island is lengthy in the past earlier than of them moved into new islands. Apart from this, weather is likewise an crucial element because of which species separate and inhabit islands. Like on this case, Norops sagrei and Norops valencienni occupied separate islands toward the North America. However, Norops auratus is found to be increasing its variety from South to North America.
This is due to particularly warm weather of the mainland which lizards aren't capable of tolerate. As a result, species Norops auratus is moving toward the chillier regions withinside the North America. However, species residing in Cuba and Jamaica aren't showing any full-size variety shift as they may be already inhabiting the chillier regions.
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Correct Question:
What is the structure and function of genes?
Answers
Structure of genes:
A gene is composed of a nucleotide chain, which is made up of DNA strands. Genes are composed of nucleotides.
DNA consists of A, T, G, and C nucleotides. Hydrogen bonds form with opposite-strand nucleotides, and phosphodiester bonds form with adjacent-strand nucleotides
Nucleotides are composed of nitrogenous bases (A, T, G, and C), phosphate, and pentose sugar
Genes consist of two types of elements: core elements and regulatory elements.
In fact, core sequences or elements play an important role in protein synthesis. Gene expression is maintained by regulatory elements.
Among the most important elements of DNA are exons. The regulatory elements of a gene are sequences like promoters, enhancers, and silencers.
Function of genes:
A gene's primary function is to form or manufacture proteins, but it's not the only one. Indeed, it's partially true.
Some genes do not produce protein even though microRNAs, for example, are tiny ribonucleic acids formed from some genes, but they don't produce proteins. Instead, it regulates gene expression.
A gene carries instructions that determine your features, such as eye colour, hair colour, and height. For each feature, there are several gene variations.
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What limitations will there be to building an eco-friendly home in this neighborhood? consider social, financial, and climate constraints while determining these limitations.
this is for an illinois neighborhood
Answers
The limitations in designing and building an eco-friendly home in Illinois will be climate constraints and social limitations.
What are eco-friendly homes?Eco-friendly homes are homes which are designed such that they do not pose any danger to the envrionment.
Eco-friendly homes are compatible with the environment and make use of available environmental resources to design an environmental-friendly home.
The limitations in designing an eco-friendly home in Illinois will be:
Climate constraints - due to hot climatic conditions Social constraints - due to its dense populationTherefore, the limitations in designing an eco-friendly home in Illinois will be climate constraints and social limitations.
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If the diameter of the black marble is 3.0 cm, and by using the formula for volume, what is a good approximation of its volume? Record to the ones place.
cm3
Determine the initial volume of water in the graduated cylinder. If you added the black marble to the graduated cylinder and it sinks, what final volume should the water level indicate? Record to the ones place.
mL
Answers
Answer:14cm and 124 ml
Explanation: just had this question and that was the correct answer
Answer:
14 and 124
Explanation:
Sweat glands in the armpits secrete perspiration with a ph close to neutral (7.0). how does this fact help explain body odor in this area as compared to other parts of the skin
Answers
The neutral pH of the sweat secreted by the sweat glands in the armpits explains why body odor is more prominent in this area than in other parts of the body.
Unlike other parts of the skin that produce sweat with a slightly acidic pH, the neutral pH of the armpit sweat creates an ideal environment for certain bacteria to thrive. These bacteria, which are commonly found in the armpits, metabolize the proteins and lipids from the sweat and secrete certain compounds that are responsible for the unpleasant body odor in this area.
In other parts of the body, where the sweat has a slightly acidic pH, these same bacteria cannot thrive and therefore do not produce the same compounds that contribute to body odor.
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Which of the following is not an Sl unit?
A. meter
B. Kelvin
C. pound
D. second
Answers
Answer:
pound please
hope it helps
Twelve families are selected for a genetic linkage study because of a high prevalence of disease. A genome screen is performed, using anonymous DNA markers on all autosomes. Significant evidence is observed for linkage to a marker on chromosome 2 (D2S123) in four families. The LOD score for the remaining families at this locus is significantly negative. How do you interpret this finding?
Answers
The presence of significant evidence for linkage to a marker on chromosome 2 in four families, while the LOD score is significantly negative in the remaining families, suggests genetic heterogeneity in the population.
The finding of significant evidence for linkage to a marker on chromosome 2 (D2S123) in four families, while the LOD score is significantly negative in the remaining families at this locus, suggests that there may be genetic heterogeneity in the studied population.
Genetic heterogeneity refers to the presence of multiple genetic causes or factors contributing to a particular disease within a population. In this case, it suggests that the disease being studied may have different underlying genetic causes or risk factors in different families.
The significant evidence of linkage in four families indicates that there may be a genetic variant or mutation near the D2S123 marker on chromosome 2 that is associated with the disease in those particular families. However, the significantly negative LOD scores in the remaining families suggest that this particular genetic variant or mutation is not present or relevant in those families. Instead, it implies that there may be other genetic factors or loci contributing to the disease susceptibility in those families.
Overall, this finding highlights the importance of considering genetic heterogeneity in genetic linkage studies and suggests the presence of multiple genetic factors influencing the disease in the studied population. Further investigation and analysis would be required to identify other genetic loci or factors involved in the disease in the families with negative LOD scores at the D2S123 marker locus.
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Which of these digestive chemicals
does the stomach use to break down
food?
A. Hydrochloric acid
B. Escherichia coli
C. Staphylococcus aureus
D. Streptococcus pyogenes
Answers
Explanation:
digestive chemicals the stomach use to break down food is -
A. Hydrochloric acid
PLEASE HELP!!!
The process of DNA replication occurs just before ______.
Select one:
a. nucleosynthesis
b. replication
c. cytokinesis
d. nuclear division
Answers
Answer:
d. nuclear division
Explanation:
sorry if that i wrong
Answer:
the answer is replication
Explanation:
double stranded DNA molecules are copied to produce two identicle DNA molecules.
What’s the answer to this?
Answers
dna unzips
Explanation:
one earthquake has a magnitude of 3.5 if a second earthquake has a magnitude of 5.5 how much larger is its seismic wave
Answers
Answer:
The seismic wave of the second earthquake with a magnitude of 5.5 is 100 times larger than the seismic wave of the first earthquake with a magnitude of 3.5.
This is because the magnitude scale used to measure earthquakes is logarithmic, meaning that each whole number increase in magnitude represents a tenfold increase in seismic wave amplitude. Therefore, the difference in magnitude between the two earthquakes is 5.5 - 3.5 = 2, which corresponds to a 10^2 = 100-fold increase in seismic wave amplitude.
How is genetic variation passed to offspring?
Answers
Answer: through somatic cells or inherited through the germaine.
Explanation: My best guess
HELP PLS
Ticks are parasitic insects that feed on blood. Consider a single
population of ticks that divides into two populations. One population
feeds on the blood of mammals that live only in trees. The other
population feeds on the blood of mammals that live only on the ground.
Which observation supports the idea that speciation has occurred?
How Fa
Search fc
The tree population and the ground population of ticks cannot mate
and have offspring.
How mar
Which an
The tree population of ticks feeds more frequently than does the
ground population
Do wild re
What doe
The genes in both the tree population and the ground population of
ticks combine to form a single, large gene pool.
What doe
The ground population of ticks gets eaten less frequently by birds
than the tree population.
Answers
Answer:
ask siri 123
Explanation:
i can help
The tree population and the ground population of ticks cannot mate and have offspring indicates speciation has occurred.
What is population?"A population is defined as a group of individuals of the same species living and interbreeding within a given area."What is speciation?"Speciation is the evolutionary process by which populations evolve to become distinct species."The ticks of tree and ground population evolve without interfering with one other. Forms a different species and no mating occurs between them.Hence, the correct answer is: The tree population and the ground population of ticks cannot mate and have offspring.
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What are some environmental advantages of building green? (Site 1)
Answers
Answer: Hope this helps.
Explanation:
For a cell to successfully receive a message from a hormone, which of the following must occur?
A: The hormone must attach to the cell's receptor.
B: The hormone must enter the cell.
C: The hormone must produce neurotransmitters.
D: The hormone must be destroyed.
Answers
Answer:
B. the hormone must enter the cell
Answer:
A: The hormone must attach to the cell's receptor.
The muscles in the leg are considered long muscles. As the muscles in the leg contract and relax they work to provide movement. What would happen if the upper leg muscles were damaged?
Answers
Answer: if the upper leg muscles were damaged, (You would not be able to extend the leg straight).
Explanation:
The upper leg muscles, which can also be called the thigh, are made up of three sets of muscles which include:
--> the hamstring muscles: These are located at the BACK of the thigh. They are made up of three long muscles which includes the semimembranous muscle, the semitendinosus muscle, and the biceps femoris muscle.
--> the quadriceps muscles: They are located at the FRONT of the thigh. They consists of four individual muscles which includes the three vastus muscles and the rectus femoris.
--> the adductor muscles: They are located at the medial compartment of the thigh and is consist of the following muscles: gracilis, obturator externus, adductor brevis, adductor longus and adductor magnus.
The quadriceps, hamstrings and adductor muscles work together to straighten (extend) and bend (flex) the leg. Therefore when there is damage to the upper leg muscles, you would not be able to extend the leg straight.
pls help
Where should new geothermal plants be built ideally?
Answers
The most active geothermal resources are usually found along major tectonic plate boundaries where most volcanoes are located. One of the most active geothermal areas in the world is called the Ring of Fire, which encircles the Pacific Ocean.
When magma comes near the earth's surface, it heats ground water trapped in porous rock or water running along fractured rock surfaces and faults. Hydrothermal features have two common ingredients: water (hydro) and heat (thermal).
Geologists use various methods to find geothermal reservoirs. Drilling a well and testing the temperature deep underground is the most reliable method for locating a geothermal reservoir.
what is chemical digestion? what is chemical digestion? the absorption of food in the small intestine the breakdown of food by enzymes the use of villi to break down food the use of physical actions to break down food
Answers
Chemical digestion is B. the breakdown of food by enzymes in the digestive system.
This process breaks down complex food molecules into simpler molecules, such as amino acids and simple sugars, that can be absorbed and utilized by the body. Enzymes are proteins that are produced by specialized cells in various organs of the digestive system. These enzymes work to break down carbohydrates, proteins, and fats into smaller molecules that can be absorbed by the small intestine.The chemical digestion process begins in the mouth with the release of saliva, which contains an enzyme called amylase that breaks down carbohydrates, the process continues in the stomach, where gastric juices containing enzymes and hydrochloric acid break down proteins.
Once the food has been broken down into smaller molecules, it is absorbed through the walls of the small intestine and transported to the liver for further processing. Chemical digestion is a crucial part of the digestive process, as it allows the body to obtain the nutrients it needs to function properly. Without proper chemical digestion, the body would not be able to extract the essential nutrients it needs from food. Chemical digestion is an important process that helps the body to break down food so that it can be absorbed and utilized by the body. So therefore the correctanswer is B. the breakdown of food by enzymes in the digestive system is chemical digestion.
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Answer:
the correct answer is B.
Explanation:
I just took the unit test .
Cellular respiration and photosynthesis are similar in that both produce
Answers
Answer:
oxygen
Explanation:
Answer:
The two processes are similar in that they both produce energy, but in two different forms.
Explanation:
They both provide each other with the necessary ingredients for the process to take place: glucose and oxygen for cellular respiration, carbon dioxide and water for photosynthesis.
Hope this helped!!!
Dominic made the table below to organize his notes about mixtures. A 1-column table. The first column labeled properties of mixtures has entries has no set composition, must have more than one state of matter, must have more than one substance. What mistake did Dominic make? The title should read “Properties of Solutions” because some mixtures do not have all of the properties listed. There is a definite recipe to make each mixture, so the composition of a mixture is set. Although it is possible to have more than one state, it is also possible to have only one state. A single substance can be used to make a mixture if the substance is composed of more than one element.
Answers
Answer:
it is (possible to have more than one state),but it is (also possible to have one state)
Explanation:
I will mark you the brainiest
its only one answer
Frontal lobe
Analogous
Carbon cycle
Capillaries
ATP
Food web
Homologous
Habitat fragmentation
photosynthesis
photic zone
embryonic evidence
female reproductive system
Capillary action
stomata
Amino acid
Solvent
Endosymbiotic theory
Cerebrum
Cellular respiration
Classification
A-is a red blood cell
B-is a red blood cell
Dna evidence
Solute
Carrying capacity
carbohydrate
Answers
it’s glycine, an amino acid.
Which phylum to not have an internal or external skeleton or shell?
Answers
Answer:
exoskeleton (from Greek έξω, éxō "outer" and σκελετός, skeletós "skeleton"[1]) is the external skeleton that supports and protects an animal's body, in contrast to the internal skeleton (endoskeleton) of, for example, a human. In usage, some of the larger kinds of exoskeletons are known as "shells". Examples of animals with exoskeletons include insects such as grasshoppers and cockroaches, and crustaceans such as crabs and lobsters, as well as the shells of certain sponges and the various groups of shelled molluscs, including those of snails, clams, tusk shells, chitons and nautilus. Some animals, such as the tortoise and turtle (shell page), have both an endoskeleton and an exoskeleton.
Answer:
Phylum Cnidaria
Explanation:
They do not have internal or external skeleton.
What is greenhouse gas?
A) a gas that people can breathe safely
B) a gas that absorbs and re-releases heat radiated by the earth
C) a gas that is created by artificial means
D) a gas that is used in growing tropical plants to increase biodiversity
Answers
Answer:
d
Explanation:
I don't know, I'm just assuming
Why was Wegener’s theory of continental drift almost completely discarded?
1. It didn’t have a mechanism for how drift occurred.
2. It wasn’t supported by fossil evidence.
3. It didn’t explain how continents fit together.
4. It didn’t explain how mountains formed.
Answers
Answer:
1. It didn’t have a mechanism for how drift occurred.
Explanation:
He couldn't explain the mechanism behind the movement of the Earth's continents.
A scientist was studying a population of elephants. The first year, he counted a population of 80. Over the next eight years, the population’s numbers were 94, 100, 103, 110, 125, 120, 125, 120. What appears to be the carrying capacity for this population?
Answers
Answer:
c
Explanation:
on edge
What is the difference between active and passive transport across a membrane?
A
Both active and passive transport move substances down their concentration gradients.
B
Active transport is ATP dependent. Passive transport does not require energy.
C
Active transport requires cell to cell communication. Passive transport does not require cell communication.
D
Active transport can be performed without transport proteins while passive transport cannot.
Answers
Active transport is ATP dependent. Passive transport does not require energy.
Cells require some molecules to be transported across the membrane. Transported molecules can be a waste material or it can be a metabolic product. Membrane transport are of two types active and passive transport. Active transport uses energy from hydrolysis of ATP to transport molecules across membranes. Active transport moves molecules from regions of low concentration to regions of high concentration. Special membrane proteins perform active transport for example sodium potassium pumps. Passive transport does not require energy to transport molecules since it moves molecules from regions of high concentration to regions of low concentration. Passive transport is of two types: simple diffusion and facilitated diffusion.
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Multiple Choice pls hurry 15 points!!!
Which physical adaptations increase a plant’s chances of survival in a cold environment?
(This is a multiple choice!!! Select all that apply.)
A- having , water-storing leaves
B- having shallow root,
C- having dark-colored leaves
D- having needle-like leaves that do not hold snow
Answers
A,B,D
..........................................
Which is an aspect of the kinetic-molecular theory and can be used to explain the compressibility of plasmas?
Particles move independently of one another and are widely spaced.
Particle kinetic energy increases with increasing temperature.
Particles exert no attractive or repulsive force on one another.
Particles always move even when they have fixed positions.
Answers
Answer:
Its Particles move independently of one another and are widely spaced .
I hope its right, if not so please sorry :)
Answer:
A
Particles move independently of one another and are widely spaced.
Explanation:
Tay-Sachs disease is a rare inherited disorder that progressively destroys nerve cells (neurons) in the brain and spinal cord. The most common form of Tay-Sachs disease becomes apparent in infancy. Infants with this disorder typically appear normal until the age of 3 to 6 months, when their development slows and muscles used for movement weaken. Affected infants lose motor skills such as turning over, sitting, and crawling. They also develop an exaggerated startle reaction to loud noises. As the disease progresses, children with Tay-Sachs disease experience seizures, vision and hearing loss, intellectual disability, and paralysis. Children with this severe infantile form of Tay-Sachs disease usually live only into early childhood.
Tay-Sachs disease has been identified in the HEXA gene. One of the known mutations can eliminate the activity of the enzyme, which prevents the enzyme from breaking down a fatty substance. As a result, this substance builds up to toxic levels, particularly in nerve cells in the brain and spinal cord. Progressive damage caused by the buildup of the fatty substance leads to the destruction of these cells, which causes the signs and symptoms of Tay-Sachs disease
Riley was diagnosed with Tay-sachs, which he inherited from both his parents. Riley received a mutated copy of the gene from his mom and a mutated copy from his dad. Neither of his parents has Tay Sachs disease. You must have two copies of the mutated gene in order to develop Tay Sachs disease.
What happened to the HEXA gene of Riley's parents?
What effect did the inherited mutated genes have on Riley at the cellular level?
Is this mutation beneficial, harmful, or neutral to Riley? Defend your answer.
Is this mutation physically beneficial, harmful, or neutral to Riley's parents? Defend your answer.
Does the Tay Sachs mutation increase or decrease genetic diversity? Explain your answer.
Answers
A genetic ailment called Tay-Sachs is passed from one generation of parents to the next.
What is Tay Sachs disease?When a child inherits a defect (mutation) in the HEXA gene from both parents, the condition takes place. The enzyme beta-hexosaminidase A is deficient as a result of the genetic mutation that causes Tay-Sachs disease.
The fatty compound GM2 ganglioside must be broken down in order for this enzyme to function. The brain and spinal cord's nerve cells are harmed by the accumulation of fatty substances.
A rare genetic illness called Tay-Sachs is inherited from one parent to the next. It results from the lack of an enzyme that aids in the breakdown of fatty compounds.
Therefore, A genetic ailment called Tay-Sachs is passed from one generation of parents to the next.
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Which is a leading theory for the formation of fossil fuels?
Answers
Answer:
The most generally accepted explanation for fossil fuel production is that, over time, fossil fuel was formed from declining organic matter. Organisms died and were buried in the earth millions of years ago. The carbonaceous substances within the humans, subjected to the high temperature and pressure below the earth's surface, were converted into types of fossil fuel such as coal and oil.