Multicellular organisms do not all follow the same pattern of organization. While they all consist of cells with the same genetic material, the organization into tissues and organs varies across different species due to diverse evolutionary strategies. The specialization and complexity of these structures contribute to the distinctive patterns of multicellular organization.
No, not all multicellular organisms follow the same pattern of organization. Multicellularity implies that an organism produces more than one type of cell, and these cells must be organized in a specific manner. All cells of multicellular organisms share the same genetic makeup, but they differentiate and follow unique sets of instructions to form tissues, organs, and ultimately, the complete organism. While some unicellular and colonial organisms exhibit a degree of specialization, the complexity of multicellular organisms is much greater, involving specialized tissues and organs that perform distinct functions.
True multicellularity involves specialization of cell types and the formation of cells with limited but highly useful abilities. Different strategies for achieving multicellularity have evolved in animals, plants, and fungi, showing a variety of evolutionary paths leading to complex organization. Furthermore, the process that controls cell production, location, and expansion in multicellular organisms is crucial to their development. Some organisms, like sponges, show specialization without true interconnected tissues, whereas in colonial organisms, like Volvox, individual cells can survive on their own if separated.
In summary, not all multicellular organisms exhibit the same organization due to the diverse evolutionary strategies that have led to their complex structures, including tissues and organs integration in true multicellular life forms.
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Which of these is an example of a chemical reaction that occurs at a very slow rate?
A. Iron Rusting.
B. An Explosion.
C. Alcohol Burning.
D. Dissolving an Antacid Tablet.
Answer:
An example of a chemical reaction that occurs at a very slow rate is:
A. Iron Rusting.
Explanation:
1. Iron rusting is a slow chemical reaction that occurs over time when iron is exposed to oxygen and moisture in the air.
2. The process of rusting involves the formation of iron oxide on the surface of the iron, which gives it a reddish-brown color.
3. This reaction occurs gradually, as the iron molecules react with oxygen and water molecules in the environment, leading to the formation of rust.
Therefore, out of the options provided, iron rusting is the best example of a chemical reaction that occurs at a very slow rate.
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Where is the kinetic energy GREATEST?
A block of aluminum occupies a volume of 15.0 mL and weighs 40.5 g. What is it’s density?
The density of a substance is calculated by dividing its mass by its volume. For the aluminum block in question, its density is calculated by dividing its mass (40.5 g) by its volume (15.0 mL), yielding a density of 2.7 g/mL.
Explanation:The subject of this question is density, which is a property of matter defined as mass per unit volume. In this case, you have been given the mass of the aluminum block (40.5 g) and its volume (15.0 mL). To find the density, we simply divide the mass by the volume.
The formula we use is: Density = Mass/Volume.
Therefore the density of the block is 40.5 g divided by 15.0 mL, which results in a density of 2.7 g/mL. So, the density of the aluminum block is 2.7 g/mL.
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if I drop a watermelon from the top of one tower dorms at csu , and it takes 3.34 seconds to hit the ground , calculate how tall the building is in feet . 1 meter =3.2 ft
If heat is released from water, what phase change occurs?
Explanation:
It is known that in order to break the bonds in a substance we need to provide it heat energy. Hence, energy will be absorbed by the molecules then and they will move far apart from each other.
Due to this solid state of water will change into liquid state.
On further heating, liquid state of water will change into vapor state.
But when liquid state of water will change into solid state then water molecules need to release energy due to which there occurs decrease in their kinetic energy.
Hence, the molecules will come closer to each other. As a result, liquid state of water will change into solid state (ice).
Thus, we can conclude that if heat is released from water, then phase change occurs from liquid to solid.
4. Imagine you have a radioactive sample containing both Virtualium and decayed atoms of Virtualium. After analysis, you find it contains 10 atoms of Virtualium and 40 decayed atoms. How old is your sample?
My sample would be 4000 years old because on my graph, I had about 9 Virtualium left at trial 4 so I am guessing that it would be 4000 years old.
Matt did an experiment to study the solubility of two substances. He poured 100 mL of water at 20 °C into each of two beakers labeled A and B. He put 50 g of Substance A in the beaker labeled A and 50 g of Substance B in the beaker labeled B. The solution in both beakers was stirred for 1 minute. The amount of substance left undissolved in the beakers was weighed. The experiment was repeated for different temperatures of water and the observations were recorded as shown.
Experimental ObservationsSubstance Mass of Undissolved Substance at Different Temperatures (gram)
20 °C 40 °C 60 °C 80 °C
A 50 50 50 50
B 10 8 5 2
Part 1: Which, if any, substance is soluble in water?
Part 2: Explain how the data helped you determine solubility for both substances for temperatures 20 °C to 80 °C.
Part 1 : Answer is only B substance is soluble in water.
In this experiment undissolved mass of each substance was measured. According to the given data, undissolved mass of substance B at 20 °C is 10 g while A is 50 g. Since, the initial added mass of each substance is 50 g, we can see that substance A is not soluble in water since the undissolved mass is 50 g.
Part 2 : Substance A is not soluble in water and substance B is soluble in water.
According to the given data, the undissolved mass of substance A remains as same as initial added mass, 50 g throughout the temperature range from 20 ° to 80 °C. Hence, we can conclude that substance A is not soluble in water.
But, according to the data, undissolved mass of substance B at 20 °C is 10 g. That means, 40 g of substance B was dissolved in water. When the temperature increases the undissolved mass of substance B decreases. Hence, we can conclude that substance B is soluble in water and solubility increases with temperature.
Name the five practices that are part of the scientific inquiry process.
Answer:
Scientific inquiry involves asking questions, performing investigations, collecting evidence, providing explanations, and communicating results.
Explanation:
Sample response from edg
why do elements in the same family generally have similar properties
Elements in the same family have similar properties because they have the same number of valence electrons, which determine how elements react.
Explanation:The elements in the same family generally have similar properties because they have the same number of valence electrons, which determines how elements react. The valence electrons are the outermost electrons in an atom and are responsible for chemical bonding. Elements in the same family have similar electron configurations, leading to similar chemical behavior and properties.
For example, the halogens in group 17 (7A) all have seven valence electrons and tend to gain one electron to achieve a stable electron configuration, making them highly reactive nonmetals. In contrast, the alkali metals in group 1 (1A) have one valence electron and tend to lose it to achieve a stable electron configuration, making them highly reactive metals.
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An animal cell: the human body. Different but also alike. Your brain is the control center of your body. What is the control center of the this animal cell? A) nucleus B) ribosome C) Golgi body D) mitochondria
I thinks its A because that's what I got from the internet
The control center of the animal cell is nucleus. Thus option A is correct.
What are animal cell?An animal cell are defined as a cell enclosed by the plasma membrane and containing the membrane bounded nucleus and organelles.
It is also known as eukaryotic cell.
It is also defined as a basic unit of life of kingdom Animalia. They are the building block of animals.
An animal cell is also defined as a kind of eukaryotic cell lacking a cell wall and containing a genuine, membrane-bound nucleus as well as other cellular organelles.
Animal cell does not have cell wall, while plant cell has cell wall.
The nucleus are known as the brain of animal cell because it consist of DNA and RNA.
Thus, the control center of the animal cell is nucleus. Thus option A is correct.
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When comparing the freeze point and boil point if different substances the................
Why do organisms need to maintain homeostasis
Organisms maintain homeostasis to ensure the optimal functioning of cellular processes, enabling them to adapt to various environmental conditions and maintain internal stability necessary for survival.
Explanation:Organisms need to maintain homeostasis to ensure that their cellular processes occur under optimal conditions. Through homeostasis, organisms maintain internal equilibrium by adjusting biological processes, despite external environmental changes. This is vital for survival, as it enables cells to function correctly and supports overall health and stability.
For example, thermoregulation is a form of homeostasis that helps organisms regulate their body temperature. Polar bears have adapted to cold climates with features like fur and blubber to conserve heat, while in hot climates, humans perspire and dogs pant to release excess body heat.
Furthermore, organisms use feedback mechanisms to regulate growth, reproduction, and to maintain a dynamic homeostasis. These mechanisms provide a way to respond and adjust to changes, ensuring that internal conditions remain within a narrow, favorable range.
calculate the percentage of a solution formed by dissolving 10g of glucose in 240g of water
A sample has a mass of 15 g and a volume of 3 mL calculate the density
Compounds may be represented by chemical formulas. In the chemical formula for water which is H20, the 2 which represents the number of hydrogen atoms is called_______?
A) the reactant.
B) the subscript.
C) the coefficient.
D) the atom factor.
does all the energy travel the same way?
In the context of energy, it is important to consider the principle of conservation of energy, which states that energy cannot be created or destroyed, only transformed from one form to another.
When energy is transferred or converted, it can take various pathways or be distributed among different forms. In a closed system where no external factors are involved, the total amount of energy remains constant.
Examples where energy may not travel in the same way:
1. Energy Transfer: In a system where energy is transferred from one object to another, the energy may not follow the same path. For instance, in a collision between two objects, kinetic energy may be transferred from one object to another, leading to changes in their motion.
2. Energy Transformation: Energy can transform from one form to another. For example, when electrical energy is used to power a light bulb, it transforms into light and heat energy. The energy may not travel the same way as it is converted into different forms.
Therefore, while the total energy remains constant due to the conservation of energy principle, the pathways and forms of energy may vary as it is transferred or transformed.
which is the following example of chemical property of water in a boils at 100c be if transport has no odor D reacts with calcium
A phase is state of matter, such as solid,liquid,and gas. Whatcha phases
would you see?
In Chemistry, the states or phases of matter refer to solid, liquid, and gas. A solid has a definite shape due to its closely packed particles, a liquid has a definite volume but lacks a fixed shape, and a gas is free-form with particles that can move around one another, lacking both a definite shape and volume.
Explanation:In Chemistry, the phases or states of matter generally refer to three main states, these are: solid, liquid, and gas.
A solid has a definite shape and volume because the particles (atoms, molecules, or ions) are closely packed together. They vibrate about a fixed point but do not move from place to place.
A liquid has a definite volume, but the shape changes depending on the container it is placed in. The particles are closer together than in a gas but further apart than in a solid. They move about freely, allowing the liquid to flow.
Finally, a gas has neither a definite shape nor volume. The particles are free to move around one another, taking the shape and volume of their container.
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what type of radioactive decay results in uranium-238 becoming thorium-234?
Answer:
Alpha decay
Explanation:
₉₂U²³⁸ → ₉₀Th²³⁴ + ₂He⁴ + energy
Properties of alpha radiation:
Alpha radiations are emitted as a result of radioactive decay. The atom emit the alpha particles consist of two proton and two neutrons. Which is also called helium nuclei. When atom undergoes the alpha emission the original atom convert into the atom having mass number 4 less than and atomic number 2 less than the starting atom.
Alpha radiations can travel in a short distance.
These radiations can not penetrate into the skin or clothes.
These radiations can be harmful for the human if these are inhaled.
These radiations can be stopped by a piece of paper.
Hydrocarbon with empirical formula c3h8
The hydrocarbon with the empirical formula C3H8 is Propane, a saturated hydrocarbon that belongs to the alkane family.
Explanation:The hydrocarbon with an empirical formula of C3H8 is Propane. The empirical formula provides the simplest, reduced ratio of elements within a compound. In the case of C3H8, this represents 3 carbon atoms to 8 hydrogen atoms, which is the formula for propane. Propane is a member of the alkane family of hydrocarbons, which are characterized by single bonds between the carbon and hydrogen atoms, therefore classified as saturated hydrocarbons.
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how many total atoms are in CuSO4
Why is it important for scientists to replicate each other's experiments
Answer:
It is very much essential for the researchers to replicate the experiments of each other as this will assist in finding whether the essential scientific outcomes are repeatable or not. The scientific results demonstrated by a researcher should be reproducible anywhere in the globe as if it is not tan the outcomes cannot be regarded as a theory.
Describe what would happen to both air temperature and soil temperature if cold weather were to pass through the area.
Answer:
Described as below
Explanation:
If the air above the land is cold and the temperature of land or soil is warm this heated light air will rise upwards and cold and dense air mass will settle on the ground as a result of the amount of humidity in the air will increase. This phenomenon time may lead to the development of the front of warm and cold air also the formation of a cyclone takes place in a similar manner if it takes place in water. This could also create a temperature inversion type of conditions at night time. on average the earth temperature changes from 2-3 degrees per 100 meters in greater depths and increases from 1° to 5° C/100 m.For each of the given elements, list two other elements that have similar chemical properties. A. iodine B. barium C. iron
Answer:
For A: The elements having similar chemical properties as of iodine are fluorine and bromine.
For B: The elements having similar chemical properties as of barium are magnesium and calcium
For C: The elements having similar chemical properties as of iron are ruthenium and osmium.
Explanation:
In a periodic table, elements are arranged in 18 vertical columns known as groups and 7 horizontal rows known as periods.
Elements arranged in a group show similar chemical properties because of the presence of same number of valence electrons.
For A: Iodine
Iodine is present in Group 17 of the periodic table. The elements present in this group are Fluorine, Chlorine, Bromine, Iodine and Astatine.
The elements having similar chemical properties as of iodine are fluorine and bromine.
For B: Barium
Barium is present in Group 2 of the periodic table. The elements present in this group are Beryllium, Magnesium, Calcium, Strontium, Barium and Radium.
The elements having similar chemical properties as of barium are magnesium and calcium
For C: Iron
Iron is present in Group 8 of the periodic table. The elements present in this group are Iron, Ruthenium, Osmium and Hassium.
The elements having similar chemical properties as of iron are ruthenium and osmium.
Elements belonging to the same group have similar chemical properties. Hence elements that have similar chemical properties with the listed elements are :
Iodine - > Fluorine, Bromine Barium - > Beryllium, Magnesium Iron - > Hassium, OsmiumIodine belong to Group 7 on the periodic table, also called the halogen group, similar elements include chlorine, Fluorine and Bromine
Barium belongs to group 2 on the periodic table, other group 2 elements which have the same chemical properties are Calcium, Magnesium, Radium, Beryllium
Iron being group 8 and share similar chemical properties with ruthenium, Osmium and Hassium.
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give the number of protons, electrons, and neutrons in the following atoms a. 90Zr b. 202Hg c. 58Ni d.222Rn
Answer:
are those numbers the atomic mass?
Explanation:
The number of protons, neutrons, and electrons for the atoms Zr, Hg, Ni, and Rn correspond to their atomic numbers and mass numbers, with Zr having 40 of each proton and electron and 50 neutrons, Hg with 80 of each proton and electron and 122 neutrons, Ni with 28 of each proton and electron and 30 neutrons, and Rn with 86 of each proton and electron and 136 neutrons.
To determine the number of protons, neutrons, and electrons in an atom, you need to know its atomic number (which is the same as the number of protons and electrons in a neutral atom) and its atomic mass number (which is the sum of protons and neutrons). Here's how to calculate them for each of the given isotopes:
Zirconium (Zr), with an atomic number of 40 (90Zr), has 40 protons, 40 electrons, and 50 neutrons (90-40).
Mercury (Hg), with an atomic number of 80 (202Hg), has 80 protons, 80 electrons, and 122 neutrons (202-80).
Nickel (Ni), with an atomic number of 28 (58Ni), has 28 protons, 28 electrons, and 30 neutrons (58-28).
Radon (Rn), with an atomic number of 86 (222Rn), has 86 protons, 86 electrons, and 136 neutrons (222-86).
a substance that has a definite shape and volume is a
A solid
B liquid
C gas
D fluid
which correct answer is it?
Which term refers to a change in the environment that causes an organism to take action? A. growth B. genetics C. response D. stimulus
Can someone plz help me with these 5 new questions!! Will give brainliest for right answers!! Thanks!!
6. The universe has many different components. Which list places four components of the universe in the most likely order from smallest to largest?
A. Planets, stars, galaxies, nebulae
B. Nebulae, stars, planets, galaxies
C. Galaxies, stars, planets, nebulae
D. Planets, stars, nebulae, galaxies
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7. The model shows the star Wolf 359, the sun, and Star X. It takes 7.8 years for light produced on Wolf 359 to reach the sun.
A. 8 light years
B. 39 light years
C. 390 light years
D. 359 light years
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8. Which of these correctly compares the masses of different objects in the universe?
A. A moon has less mass than a star and more mass than the planet it orbits.
B. A planet has less mass than a galaxy and more mass than the star it orbits.
C. A galaxy has less mass than a moon and more mass than a planet.
D. A star has less mass than a galaxy and more mass than a planet.
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9. Darnel wants to list types of radiation based on their ability to penetrate human skin.Which list shows the order of radiation types from lowest to highest penetration?
A. Infrared radiation, microwaves, radio waves, visible light, x-rays, gamma rays, UV rays
B. X-rays, gamma rays, infrared radiation, mi- crowaves, radio waves, UV rays, visible light
C. Visible light, infrared radiation, UV rays, microwaves, radio waves, x-rays, gamma rays
D. Radio waves, microwaves, infrared radiation, visible light, UV rays, x-rays, gamma rays
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10. Ella is learning about different types of electro- magnetic radiation. She makes the following list about one frequency of radiation:· Can damage cells of living things · Blocked by Earth’s ozone layer which type of radiation does Ella’s list describe?
A. Infrared
B. Microwave
C. Ultraviolet
D. Visible
Which has more volume a kilogram of feathers or a kilogram of bricks please answer quickly thank you
What is the relationship between density and buoyancy of a fluid explain
Many fish can adjust the density of their bodies by controlling the amount of gas in a sack called a swim Blatter how what do you amount of gas in swimbladder have to change in order for the fish to swim deeper underwater explain your answer you guys please help me with these questions it is due tomorrow and I really need help