Answer:
D
Explanation:
All the others are unrelated to biology as biology is the study of life (hence bio) and not chemistry or anything else.
A biologist might study the causes of honeybee deaths in beehives, as it falls within the biological study of organisms, their ecosystems, and their interaction with the environment. Ecologists, as biologists, may study predator-prey dynamics and the role of biodiversity and ecological succession in species survival.
Explanation:A biologist might choose to study the causes of honeybee deaths in beehives. This topic falls under the field of biology as it involves examining the biological factors, ecosystems, and environmental impacts on a species. Biology encompasses the study of living organisms, their interactions within ecosystems, and factors affecting their survival. For instance, a biologist studying honeybee mortality may investigate patterns in bee behavior, health, genetic factors, or the influence of pesticides and other anthropogenic factors on populations.
A specific example of a biologist's work could be an ecologist studying the patterns on the wings of an endangered butterfly species to understand how these patterns help the species escape predators like birds. Researchers in such fields collect data, observe, and analyze patterns to draw conclusions about biological processes and biodiversity. Additionally, factors such as ecological succession and biogeography are critical in such studies.
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A balloon was partially filled with helium gas at room temperature. It occupied 4.0 liters of volume at 700.0 mmHg atmospheric pressure. When the balloon was released, it traveled upward until it burst at 99 mmHg atmospheric pressure. (Neglect any force exerted to stretch the rubber balloon.) What was the volume of the balloon when it burst? L
Final answer:
To find the volume of the balloon when it burst at 99 mmHg, we use Boyle's Law. The final volume was calculated to be approximately 28.28 liters.
Explanation:
The volume of the balloon when it burst at 99 mmHg atmospheric pressure can be determined using Boyle's Law, which states that the product of pressure and volume is constant for a given mass of enclosed gas when the temperature is constant (P1V1 = P2V2).
Here, we know the initial pressure (P1) is 700.0 mmHg, the initial volume (V1) is 4.0 liters, and the final pressure (P2) upon bursting is 99 mmHg. To find the final volume (V2), we rearrange the equation to V2 = (P1V1) / P2 and substitute the known values. Doing so gives us V2 = (700.0 mmHg × 4.0 L) / 99 mmHg, which calculates to a volume of approximately 28.28 liters.
What is the Fraction Remaining of a sample that is 5 half lives old?
Answer:
The fraction remaining of a sample that is 5 half lives old is 0.03125.
Explanation:
It is known that the decay of a radioactive isotope isotope obeys first order kinetics.Half-life time is the time needed for the reactants to be in its half concentration.If reactant has initial concentration [A₀], after half-life time its concentration will be ([A₀]/2).Also, it is clear that in first order decay the half-life time is independent of the initial concentration.Suppose the initial concentration of the sample is 1:So, it will decay as:
1.0 → (first half life) 0.5 → (second half-life) 0.25 → (third half-life) 0.125 → (fourth half-life) 0.0625 → (fifth half-life) 0.03125.
So, the rraction remaining of a sample that is 5 half lives old is 0.03125.
What is the empirical formula for sulfur dioxide?
Answer:Sulfur dioxide
CID: 1119
Molecular Formula: SO2 or O2S
UNII:0UZA3422Q4
Chemical Names: sulfur dioxide sulphur dioxide Sulfurous anhydride 7446-09-5 Sulfurous oxide More...
Molecular Weight: 64.058 g/mol
Explanation: can i have brailyest plz
Answer:
SO2
Explanation:
What kind of system is the carbon cycle
Answer:
The carbon cycle is the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth.
The carbon cycle is a biological and geological system composed of two interconnected sub-cycles - the biological carbon cycle and the biogeochemical carbon cycle. The biological carbon cycle involves the exchange of carbon among living organisms through processes like photosynthesis and respiration, while the biogeochemical carbon cycle involves the long-term cycling of carbon through the Earth's atmosphere, water bodies, and interior. Human activities like burning of fossil fuels can accelerate these cycles and contribute to global climate change.
Explanation:The carbon cycle is a type of system in biology that can be broadly divided into two interconnected sub-cycles. One sub-cycle deals with the rapid exchange of carbon among living organisms, and the other deals with the long-term cycling of carbon through geologic processes. These processes together help in the transfer and recycling of carbon in different forms throughout the ecosystem.
In the Biological Carbon Cycle, living organisms play a crucial role. Autotrophs, like plants, absorb carbon dioxide from the atmosphere and convert it into glucose through photosynthesis. This glucose is used by heterotrophs, like animals, for their energy needs. In this process, carbon gets incorporated in their bodies. When these animals die, the carbon gets returned to the atmosphere through decomposition. Moreover, marine autotrophs obtain carbon dioxide in the dissolved form (carbonic acid, H₂CO3). Through this biological carbon cycle process, photosynthetic organisms are responsible for maintaining approximately 21 percent of the Earth's oxygen content.
In the Biogeochemical Carbon Cycle, carbon is stored in what are known as carbon reservoirs that include the atmosphere, bodies of liquid water (mostly oceans), ocean sediment, soil, land sediments (including fossil fuels), and the Earth's interior. Over longer periods, microorganisms capable of digesting non-bioavailable carbon like coal can release it as gas, making it available for other living organisms. This process accelerates when humans burn fossil fuels, releasing large amounts of carbon dioxide into the atmosphere. Most scientists agree that the high atmospheric carbon dioxide is a major cause of global climate change.
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Identify the following parts of the chemical equation
A:Coefficients B:Element C:subscripts D:Reactants E:Products
Using complete sentences, why do you think we need to use time zones on earth?
Great Question! i'm going to break this down first. So the earth spins on its pole which is called the axis and every 24 hours the earth makes a full rotation on it. Remember, the sun and the moon don't move around our planet. We get our light and darkness because the Earth spins and when it does, the moon is on one side and the sun is on the other. Let's get back to your question. "Why Do We Need Timezones?" We need them because if all the people on Earth set the clocks to the same time, noon would be the middle of the day in some places but in other places, it would be morning evening and the middle of the night. Since different parts of our Earth enter and exit daylight we need different timezones. That is why we have 24 time zones on planet Earth.
13. A gas occupies 4.31 liters at a pressure of 0.755 atm. Determine the volume if the
pressure
is increased to 1.25 atm.
14. 600.0 mL of a gas is at a pressure of 8.00 atm. What is the volume of the gas at 2.00
t
.
Answer:
13. 2.60 L.
14. 2.40 L.
Explanation:
We can use the general law of ideal gas: PV = nRT.
where, P is the pressure of the gas in atm.
V is the volume of the gas in L.
n is the no. of moles of the gas in mol.
R is the general gas constant,
T is the temperature of the gas in K.
If n and T are constant, and have different values of P and V:
(P₁V₁) = (P₂V₂)
13. A gas occupies 4.31 liters at a pressure of 0.755 atm. Determine the volume if the pressure is increased to 1.25 atm.
P₁ = 0.755 atm, V₁ = 4.31 L.
P₂= 1.25 atm, V₂ = ??? L.
∴ V₂ = (P₁V₁)/(P₂) = (0.755 atm)(4.31 L)/(1.25 atm) = 2.60 L.
14. 600.0 mL of a gas is at a pressure of 8.00 atm. What is the volume of the gas at 2.00 at m.
P₁ = 8.0 atm, V₁ = 600.0 mL.
P₂= 2.0 atm, V₂ = ??? L.
∴ V₂ = (P₁V₁)/(P₂) = (8.0 atm)(600.0 mL)/(2.0 atm) = 2400/0 mL = 2.40 L.
Using Boyle's law, which states that the pressure and volume for a gas is a constant if the temperature is constant, we can determine that the new volume of the gas occupying 4.31 liters at 0.755 atm when the pressure is increased to 1.25 atm is 2.62 L. Similarly, when the pressure of a gas occupying 600.0 mL at 8.00 atm is reduced to 2.00 atm the new volume will be 2400 mL.
Explanation:To solve these problems, we can use the principles of Boyle's law, which states that the product of the pressure and volume for a gas is a constant if the temperature and the amount of gas remain unchanged. In other words, P1*V1 = P2*V2.
Problem 13
Let's use Boyle's law to calculate the new volume (V2) when the pressure (P2) is increased to 1.25 atm (P2). We know that the initial volume (V1) is 4.31 L, and the initial pressure (P1) is 0.755 atm.
V2 = P1*V1/P2 = (0.755 atm * 4.31 L) / 1.25 atm = 2.62 L
Problem 14
The initial volume (V1) is 600 mL and the initial pressure (P1) is 8.00 atm. The new pressure (P2) is 2.00 atm. So, we can calculate the new volume (V2) as:
V2 = P1*V1/P2 = (8.00 atm * 600.0 mL) / 2.00 atm = 2400 mL
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How many moles of NaCl could be made by combining 20,000 moles of Na with 2 moles of CI?
a 20,000 moles Naci
2 moles Naci
b. 1 mole NaCl
None of the above
Please select the best answer from the choices provided
A
B
C
D
Answer:
None of the above.
Explanation:
The limiting factor of this is the chlorine. You only have 2 moles of chlorine.
2Na + Cl_2 ==> 2*NaCl
The equation tells you that for every mol of Cl2 that you have, you require 2 moles of Na and you get 2 moles of NaCl
So what that means is that if you have 2 mols of Cl2, you need just 4 moles of Na, and you will get 4 mols of NaCl
Since 4 is not one of your choices, the answer is none of the above
Consider the following reaction at equilibrium
PCl3 (g) + Cl2 (g) ↔ PCl5 (g) ∆H = –86 kJ/mol
What type of reaction is this?
Please helppp me!
How will the equilibrium be affected by adding more of the product?
Is the reaction endothermic or exothermic? How will the equilibrium be affected by adding heat?
How will the equilibrium be affected by increasing the pressure on the closed system?
Explain the principle that you used in determining how the equilibrium is affected.
Answer:
1. Equilibrium shifts to (lift side) produce more reactant.
2. Exothermic reaction, Equilibrium shifts to (lift side) produce more reactant.
3. Increasing the pressure will shift the reaction to the side with lower moles of gas (right side).
4. Le Châtelier's principle states that when there is an dynamic equilibrium, and this equilibrium is disturbed by an external factor, the equilibrium will be shifted in the direction that can cancel the effect of the external factor to reattain the equilibrium.
Explanation:
Le Châtelier's principle states that when there is an dynamic equilibrium, and this equilibrium is disturbed by an external factor, the equilibrium will be shifted in the direction that can cancel the effect of the external factor to reattain the equilibrium.1. How will the equilibrium be affected by adding more of the product?
When more product is added:This will increase the concentration of the products side, so the reaction will be shifted to the lift side (reactants side) to suppress the increase in the concentration of Products.
So, the right choice is: Equilibrium shifts to produce more reactant.
2. Is the reaction endothermic or exothermic? How will the equilibrium be affected by adding heat?
Since the sign of ΔH is negative, the reaction is exothermic reaction.
The reaction can be represented as:
PCl₃ (g) + Cl₂ (g) ↔ PCl₅ (g) + heat.
Adding heat:
Adding heat is like adding more product to the reaction, so the reaction will be shifted to the lift side (reactants side) to suppress the effect of adding heat.
So, the right choice is: Equilibrium shifts to the lift side (produce more reactant).
3. How will the equilibrium be affected by increasing the pressure on the closed system?
Increasing the pressure:When there is an increase in pressure, the equilibrium will shift towards the side with fewer moles of gas of the reaction. And when there is a decrease in pressure, the equilibrium will shift towards the side with more moles of gas of the reaction.
The reactants side (left) has 2.0 moles of gases and the products side (right) has 1.0 mole of gases.So, increasing the pressure will shift the reaction to the side with lower moles of gas (right side).
4. Explain the principle that you used in determining how the equilibrium is affected.
Le Châtelier's principle states that when there is an dynamic equilibrium, and this equilibrium is disturbed by an external factor, the equilibrium will be shifted in the direction that can cancel the effect of the external factor to reattain the equilibrium.Spontaneous decay of certain elements in nature occurs because these elements have
A. disproportionate ratios of electrons to protons
B. disproportionate ratios of neutrons to protons
C. low reactivity with oxygen
D. high reactivity with oxygen
Please Answer ASAP!!
Answer:
B.
Explanation:
The neutron/proton ratio for a certain element must fall within a certain range for the element to be stable. That’s why some isotopes of an element are stable and others are radioactive.
Spontaneous decay of certain elements in nature occurs because these elements have disproportionate ratios of neutrons to protons. Thus, option B is correct.
What is radioactive decay?Radio active decay is a process in which unstable nuclei will convert into stable nuclei by the emission of some particles in the form of radiations.
Unstable nature of nuclei is due to the presence of inappropriate ratio of neutrons to protons inside the nucleus. So these type of molecules shows spontaneous decay to attain stability.
Hence, the reason is the disproportionate ratios of neutrons to protons. Thus, option B is correct.
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1. Quartz crystals normally used in quartz clocks etc. is chemically
A. silicon dioxide
B. germanium oxide
C. a mixture of germanium oxide and silicon dioxide
D. sodium silicate
2. Which of the gas is not known as green house gas?
A. Methane
B. Nitrous oxide
C. Carbon dioxide
D. Hydrogen
Answer:
1. A. silicon dioxide
2. D. Hydrogen
Explanation:
What term best describes an underground stem that grows along sending up new plants at intervals
The term for an underground stem that sends up new plants at intervals is a rhizome, while a stem that does this above ground is referred to as a stolon or runner.
The term that best describes an underground stem that grows along, sending up new plants at intervals, is a rhizome. Rhizomes are modified stems that grow horizontally underground and can branch at nodes to produce new plants. A well-known plant that reproduces from rhizomes is the iris. However, if the stem grows above the ground, it's called a stolon or runner, like those seen in strawberry plants. These runners develop adventitious roots at their nodes, and the axillary buds can turn into independent plants.
Another form of modified stem includes corms, which are fleshier and store food, and unlike rhizomes and stolon, don't typically give rise to new plants at intervals along their length.
A sample of hydrated copper (II) sulfate has a mass of 4.56 g. After heating, it has a mass of 2.92 g.
What is the percent by mass of water in the hydrate?
Answer:
36.0%.
Explanation:
The mass of water = mass of hydrated copper (II) sulfate - mass of copper (II) sulfate after heating = 4.56 g - 2.92 g = 1.64 g.
The percent by mass of water in the hydrate = (mass of water/mass of hydrated copper (II) sulfate)*100 = (1.64 g/4.56 g)*100 = 35.96% ≅ 36.0%.
When 16.3 g of magnesium and 4.52 g of oxygen gas react, how many grams of magnesium oxide will be formed? Identify the limiting and excess reactants.
Answer:
22.77 g.
he limiting reactant is O₂, and the excess reactant is Mg.
Explanation:
From the balanced reaction:Mg + 1/2O₂ → MgO,
1.0 mole of Mg reacts with 0.5 mole of oxygen to produce 1.0 mole of MgO.
We need to calculate the no. of moles of (16.3 g) of Mg and (4.52 g) of oxygen:no. of moles of Mg = mass/molar mass = (16.3 g)/(24.3 g/mol) = 0.6708 mol.
no. of moles of O₂ = mass/molar mass = (4.52 g)/(16.0 g/mol) = 0.2825 mol.
So. 0.565 mol of Mg reacts completely with (0.2825 mol) of O₂.
∴ The limiting reactant is O₂, and the excess reactant is Mg (0.6708 - 0.565 = 0.1058 mol).
Using cross multiplication:
1.0 mole of Mg produce → 1.0 mol of MgO.
∴ 0.565 mol of Mg produce → 0.565 mol of MgO.
∴ The amount of MgO produced = no. of moles x molar mass = (0.565 mol)(40.3 g/mol) = 22.77 g.
Answer:
[tex]m_{MgO}=11.3gMgO[/tex]
Explanation:
Hello,
In this case, the undergoing chemical reaction is:
[tex]2Mg+O_2\rightarrow 2MgO[/tex]
Hence, for given amounts of magnesium and oxygen, one computes the available moles of magnesium with its given mass and atomic mass and the moles of magnesium that will completely react with 4.52 g of oxygen by using their 2:1 molar ratio in the chemical reaction in order to identify the limiting reactant:
[tex]n_{Mg}^{available}=16.3gMg*\frac{1molMg}{24gMg}=0.679molMg\\\\n_{Mg}^{reacted}=4.52gO_2*\frac{1molO_2}{32gO_2}*\frac{2molMg}{1molO_2} =0.2825molMg[/tex]
In such a way, as just 0.2825 moles of magnesium react, magnesium is identified as the excess reactant and the oxygen the limiting reactant. Furthermore, with the reacting moles, one computes the yielded grams of magnesium oxide as:
[tex]m_{MgO}=0.2825molMg*\frac{2molMgO}{2molMg}*\frac{40gMgO}{1molMgO} \\\\m_{MgO}=11.3gMgO[/tex]
Best regards.
The variable that a scientist observes to change while conducting an experiment is called the ___ variable.
A.) mainipulated
B.) responding
C.) independent
Great Question!
The Answer Would Be "B" The "RESPONDING" Variable
The variable that a scientist observes to change while conducting an experiment is called the responding variable.
From the solubility curve, which salt shows the least change in solubility as the temperature increases?
Answer:NaCl (Sodium Chloride )
Explanation:As it has Solubility 35.7
Answer:
NaCl
Explanation:
The image shows information about the element carbon as it appears in the periodic table. Based on the image, how many protons does carbon have?
Answer:6
Explanation:
U welcome
What does Hund's rule state?
Answer:
Explanation:
Hund's Rule of Maximum Multiplicity states that electrons go into degenerate orbitals of sub-orbitals(p, d and f) singly before pairing commences.
Hund's rule is useful in determining the number of unpaired electrons in an atom. Hence, it explains some of the magnetic properties of elements.
An element whose atoms or molecules contain unpaired electrons is paramagnetic.
The element whose atoms or molecules contain orbitals that are all filed up with paired electron is diamagnetic.
Hund's rule states that in degenerate orbitals, electrons must occupy orbitals singly and with parallel spins before pairing up. This ensures the lowest-energy electron configuration. A common example is seen in the p orbitals for nitrogen.
Hund's Rule
Hund's rule states that the lowest-energy electron configuration for an atom is the one that has the maximum number of electrons with parallel spins in degenerate orbitals. This means that in any given sub-level other than the s orbital, electrons will occupy each orbital singly before starting to pair up. For instance, in the p sublevel, which has three degenerate orbitals, each of these orbitals will get one electron before any one of them gets a second electron with the opposite spin.
An easy way to visualize this is by considering the p orbitals (px, py, and pz) for an atom like nitrogen, which has three electrons in its p sublevel. According to Hund's rule, each of these three electrons will occupy one of the p orbitals singly, with parallel spins, resulting in a more stable and lower-energy configuration.
The Grand Canyon becomes deeper every day. What causes the canyon to
become deeper?
Answer: Flowing Water
Explanation:
Answer: Flowing Water
Explanation:
What is the frequency of light for which the wavelength is 7.1 × 102 nm?
2.4 × 10 −6 s −1
2.1 × 102 s −1
4.2 × 105 s −1
4.2 × 1014 s −1
Answer:
4.2 × 10⁻¹⁴s⁻¹
Explanation:
Given parameters:
Wavelength of light = 7.1 x 10²nm
We simplify and express this value in metres(m) to give:
⇒7.1 x 10² x 10⁻⁹m = 7.1 x 10⁽⁻²⁺⁹⁾ m
= 7.1 x 10⁷m
The wavelength is 7.1 x 10⁷m
We use the formula V = fλ
We know that Velocity of light is 3 x 10⁸ms⁻¹
Making f, frequency the subject of the formula gives :
f = V/λ
f = 3 x 10⁸ms⁻¹ / 7.1 x 10⁷m
f = 4.2 x 10⁻¹⁴s⁻¹
The frequency of light with a wavelength of 7.1 × 10² nm is 4.23 × 10^14 s⁻¹.
Explanation:The frequency of light with a wavelength of 7.1 × 10² nm can be calculated using the formula:
$$ \nu = \frac{c}{\lambda} $$
where c is the speed of light (3.00 × 10^8 m/s) and λ is the wavelength in meters.
Plugging in the values, we get:
$$ \nu = \frac{3.00 \times 10^8 \, \text{m/s}}{7.1 \times 10^{-9} \, \text{m}} = 4.23 \times 10^{14} \, \text{s}^{-1} $$
Therefore, the frequency of light with a wavelength of 7.1 × 10² nm is 4.23 × 10^14 s⁻¹.
as electrons pass through a particular device magnets begin to rotate. this rotation is then used to power devices such as ceiling fans this is a description of what happens in a what
Answer:
Motor
Explanation:
This actuation of electric energy to mechanical energy is due to reverse magnetic induction. When you pass a wire coil, with electricity passing through it, along a magnetic field, the coil will rotate according to Fleming’s Left Hand Hand Rule. This principle is harnessed in the making of motors that can be used to power equipments such as fans.
Answer:
D) electric motor
Explanation:
Thats the answer for apex. A) electric generator B) power surge C) battery D) electric motor
Need help on this ASAP !!!!
Answer:
0.1612 mol.
Explanation:
From the balanced equation:2Ca₃(PO₄)₂ + 6SiO₂ + 10C → 6CaSiO₃ + P₄ + 10CO.
2.0 moles of Ca₃(PO₄)₂ react with sufficient SiO₂ and C to produce 1.0 mole of P₄ and other products.
we need to calculate the no. of moles of 100.0 g of Ca₃(PO₄)₂:no. of moles of Ca₃(PO₄)₂ = mass / molar mass = (100.0 g)/(310.18 g/mol) = 0.3224 mol.
Using cross-multiplication:
2.0 moles of Ca₃(PO₄)₂ produce → 1.0 mole of P₄.
0.3224 mole of Ca₃(PO₄)₂ produce → ??? mole of P₄.
∴ The no. of moles of phosphorous (P₄) will be produced = (1.0 mole)(0.3224 mole)/(2.0 mole) = 0.1612 mol.
A metal has a mass of 8.7 grams and a volume of 3.2mL is it metal gold ?
Answer:
The metal is not gold.
Explanation:
It is known that the density of gold (d) = 19.32 g/mL.We need to calculate the density of the given data of the metal and compare with the theoretical density value:Density (d) = mass/volume
∴ d of metal = mass/volume = (8.7 g)/(3.2 mL) = 2.72 g/mL.
So, the metal is not gold.
Elizabeth is getting ready to run a marathon why is her thinking incorrect
Answer:
Oh, I don't run
Explanation:
Alex Russo
Elizabeth is getting ready to run a marathon, her thinking incorrect due to lack of training and unrealistic Expectations.
Lack of Training: Marathon runners need to be properly trained and condition themselves. Elizabeth's reasoning can be flawed if she hasn't had enough training since she might underestimate the physical difficulties and the risks involved in the marathon. Without adequate training, she can experience fatigue, injuries, or other health problems while competing.
Elizabeth might have exaggerated expectations on how well she will perform in the marathon. She would be mistaken in her reasoning, for instance, if she thought she could run the marathon in a relatively short amount of time without any training or prior experience. Setting reasonable objectives that take into account one's ability and level of fitness is crucial.
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Animals need food air and water.which of the following is another need of animals
Answer:
a habitat
Explanation:
The correct answer is shelter and their right climate is another need of animals.
What are some of the animals' most basic requirements?Animals have four essential needs: air, water, food, and shelter. Living creatures have the following basic requirements: Sunlight: Because it is the source of all energy, this is undoubtedly the most important need for all living species.Learn more about the basic needs of animals here:-
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Help please ❤️ When O2 is added to the melted candy mixture once it has cooled. Why would it not be beneficial to add the CO2 after it is first melted?
it wouldnt have an effect?
Leo's recipe for banana bread won't fit in his favorite pan. The batter fills the 8.5 inch by 11 inch by 1.75 inch pan to the very top, but when it bakes it spills over the side. He has another pan that is 9 inches by 9 inches by 3 inches, and from past experience he thinks he needs about an inch between the top of the batter and the rim of the pan. Should he use this pan? WHY or WHY not? (I posted in chemistry oops)
yes because the
0。5 that's left may stop the batter from over flowing
3AI²O³ What is the name of the element
Answer:
Aluminium oxide
Explanation:
This is not an element but a coumpound.
Al is Aluminum
And O is Oxygen
How many electrons does carbon have?
Answer:
[tex]\boxed{\text{Six}}[/tex]
Explanation:
Carbon is element number six, so it has six protons.
[tex]\boxed{\textbf{A neutral atom of carbon then has six electrons.}}[/tex]
The whale shark has rows of teeth despite being a filter feeder. What's the best explanation of this feature?
A. The whale shark's teeth are an example of vestigial structures. If an inherited feature is no longer needed but also not harmful, there's no evolutionary pressure to get rid of it.
B. The whale shark's teeth are an example of analogous structures. Teeth exist in almost every sea creature, and the whale would be at a defensive disadvantage without them.
C. The whale shark's teeth are an example of homologous structures. Other mammals also have teeth, and different teeth in humans have different shapes to serve different functions.
D. The whale shark's teeth are an example of embryonic structures. The teeth buds develop early enough in embryogenesis that the whale shark is still born with teeth.
Answer:
The whale shark's teeth are an example of vestigial structures. If an inherited feature is no longer needed but also not harmful, there's no evolutionary pressure to get rid of it.- A.
Answer:
The correct answer is option A, that is, the whale shark's teeth are an example of vestigial structures. If an inherited feature is no longer needed but also not harmful, there's no evolutionary pressure to get rid of it.
Explanation:
The vestigial structures refer to the compositions, which exhibit no ostensible activity and seems to be the leftover components from a past ancestor. Some of the examples of vestigial parts are the pelvic bone of a snake, the human appendix, and the wings of flightless birds.