A scientist is studying an organism and has clarified it as an animal. Which statement must be true about the organism?

- It is multicellular.
- It displays radial symmetry.
- It has a backbone.
- It contains cells without nuclei. ​

Answers

Answer 1

Answer:

it is multi-cellar

Explanation:

i took the test

Answer 2

Answer:

A

Explanation:

Edge 2022


Related Questions

Como podemos trasladar una caja de 50 kg desde planta baja hata un primer piso que presenta una inclinacion de 40º que tipo de maquina simple se utilizaria

Answers

Answer:

Explanation:

We can easily move the box from a ground floor though to the first floor at an angle of 40° to the horizontal by simply pushing the load through an inclined plane. We will simply be lean the inclined plane on the building at the required angle and the push through the the height of the building.

Based on the explanation above, the best type of simple machine to use is an INCLINED PLANE. Note that the essence of using a machine is simply to make our work easier and faster and also be able to overcome a much larger load with a minimal effort. 

What are some man made reasons that animals in population might die?

Answers

1. plastic/trash
animals (especially ones at sea) can get caught up in this trash and die or mistake it as food and eat this trash or plastic. the ocean right now has five texas state size balls of plastic floating in the ocean which kills sooooo many sea creatures

2.poaching
poaching animals causes animals to die faster in their natural environment which means their population declines quicker. many animals such as elephants are under the endangered species list, due to poaching.

3. human touch
the amount of people we have on this earth is was more than it used to be which means we need more space for buildings and homes. when there is an empty space, we build. this empty space could’ve belonged to many animals and we just took their home from them.

Some man made reasons that animals in population might die are poaching and human touch.

When animals eat trash or plastic?

Animals that are especially ones at sea would get caught up in this trash and die or the mistake it as food and eat this trash or plastic. The ocean right now has five texas state size balls of plastic floating in the ocean which kills sooooo many sea creatures.

Poaching animals that causes animals to die the faster in their natural environment which means their population that declines quicker. Many animals that or such as the elephants are under the endangered species list, due to poaching.

The amount of the people we have on this earth has was more than it used to be which the means we need more space for the buildings and homes. When there has an the empty space, we build. this empty space could’ve belonged to many animals and we just took their home from them.

Therefore, Some man made reasons that animals in population might die are poaching and human touch.

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Three friends were arguing. Richa said: "Plants do photosynthesis during the day time and respiration during night". Soniya said: "Plants take in oxygen and release carbon dioxide during night but they release oxygen and take in carbon dioxide during day time". Aarush said: "Plants take in carbon dioxide and release oxygen during both day and night". Whose statement is correct among the three friends? Justify.

Answers

Answer:

The third friend is correct.

Explanation:

Plants use photosythesis whenever there is a powerful enough light source to do so. They use the ATP from photosythesis to drive cellular respiration, which is how they get large amount of ATP, photosythesis just get the correct materials needed to do so. And while phototsytheis does slow down significantly at night, some plants(like in the desert), do use it at night simply because those conditions are easier for the plant to use photosytheis. Keep in mind that photosythesis uses Carbon dioxide and releases oxygen, and in the calvin cycle, carbon is still used, and oxygen is used to a very minor extent.


Which of the following is an organism whose cells do not have a membrane-
bound nucleus?
A. An animal
B. A eukaryote
C. A prokaryote
D. A plant

Answers

Answer:

C. A prokaryote

Explanation:

A prokaryote is an organism that consists of a single cell that does not have a nucleus or membrane-bound organelles.

A prokaryote is an organism whose cells do not have a membrane-bound nucleus. Therefore, option (C) is correct.

What is a prokaryote cell?

Prokaryotes are unicellular organisms, such as bacteria and archaea, which lack many of the organelles found in eukaryotic cells, including a nucleus. In prokaryotic cells, the genetic material is contained in a single circular chromosome located in the cytoplasm, which is not separated from the rest of the cell by a nuclear membrane.

The lack of a nucleus is one of the defining characteristics of prokaryotic cells, which are distinct from eukaryotic cells found in animals, plants, fungi, and protists, which all have a nucleus and other membrane-bound organelles.

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Energy is released from ATP when every phosphate bond is broken. the last phosphate bond is broken. all three phosphate bonds are formed. the last phosphate bond is formed.

Answers

Answer:

the last phosphate bond is broken

Explanation:

Adenosine triphosphate, commonly known as ATP, is a high energy storage molecule. It is the form of energy usable by living cells to carry out their various life functions. ATP is synthesized in living systems during the process of cellular respiration.

ATP is a chemical compound that contains an Adenine base, ribose sugar, collectively called Adenosine, and three phosphate groups. Hence, the name Adenosine triphosphate. The stored energy in ATP is released when the bond holding the last phosphate group is broken. This releases a phosphate group and Adenosine diphosphate (ADP) molecule.

Answer:

b

Explanation:

i just did it

Plants are unique because they have _____, which absorb light energy from the Sun.

Answers

Answer:

Chloroplasts

Explanation:

Plants have chloroplast which can convert light energy from sun into chemical energy for the plant.

Select the correct answer. Which muscle is the woman using to lift the ball over her head? A basketball player lifting a ball over her head A. Biceps B. Deltoid C. Extensor digitorum D. Gluteus maximus E. Triceps

Answers

Answer:

B. Deltoid

Explanation:

The deltoid muscle is a thick muscle on the human shoulder. When the basketball player is lifting the ball, the shoulder muscle is being used to lift over her head.

Answer:

Got 100% right on plato!

Explanation:

Describe the processes and that will cause a person who has been spinning to feel dizzy​

Answers

Answer:

jjk

Explanation:

jvx

Both plants and animals respond to environmental stimuli. Identify the correct statement(s) about this response. Select all that apply. Select all that apply. Both plants and animals have physiological cycles called circadian rhythms. The molecular processes determining how plants and animals perceive environmental changes are equally complex. The molecular processes determining how plants and animals perceive environmental changes are often homologous.

Answers

Answer:

All three options are correct;

1. Both plants and animals have physiological cycles called circadian rhythms.

2. The molecular processes determining how plants and animals perceive environmental changes are equally complex.

3. The molecular processes determining how plants and animals perceive environmental changes are often homologous.

Explanation:

Stimulus in biology can be defined as an obvious change in either the chemical or physical structure of an organism' environment (either external or internal). All living organisms (both plants and animals) respond to changes in their environment and as such an appropriate reaction or response is made. Also, stimulus arising from within the organism is known as internal stimulus while those from its environment are known as the external stimulus.

In organisms, the specialized cells that detect stimulus are generally known as sensory receptors while a group of these receptors is referred to as sense organ.

Since both plants and animals respond to environmental stimuli, it simply means that;

1. Both plants and animals have physiological cycles called circadian rhythms. This is a natural internal process that controls the physical, mental, and behavioral changes in living organisms such as the sleep-wake cycle. The circadian rhythm is simply the internal body "24 hour" clock.

2. The molecular processes determining how plants and animals perceive environmental changes are equally complex.

3. The molecular processes determining how plants and animals perceive environmental changes are often homologous. This simply means that, specific sense organs or sensory receptors would only respond to the stimulus they are primarily created to respond to. For example, the eyes can only be used to see and not smell, ear or taste.

In the product 6O2, what does the coefficient mean? There are 12 molecules of O2, There are 8 molecules of O2, There are 6 molecules of O2. There are 2 molecules of O2.

Answers

There are 6 molecules of O2.



"O2" is the formula for one molecule oxygen, which has 2 atoms.

The subscript (small) "2" tells you how many atoms are in the molecule.

The coefficient is the big number tells you the number of molecules.

In 6O2, there are 12 atoms in total (6 molecules of 2 atoms each).

In the product 6O2, there are 6 molecules of O2.

WHAT COEFFICIENT MEANS:

Coefficient, in chemistry, refers to the number behind an element. It represents the number of molecules of that element.

The coefficient tells us the amount of molecules contained in an element. For example;

In the product 6O2, this tells us that there are 6 molecules of oxygen gas (O2).

Other examples are: 2Mn meaning 2 molecules of manganese, 3CO2 meaning 3 molecules of carbon dioxide etc.

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Predict what will happen to a fish if its gills are torn after being caught in a net.

Answers

Answer:

It will die.

Explanation:

Fish need functional gills to live.

If the gills of the fish are torn after getting caught in a net, it will die due to lack of gaseous exchange.

What are gills?

It is the gas exchange system in fishes. Like humans, aquatic species like fishes need respiration and the process of gas exchange in order to thrive. However, the solubility of the respiratory gases is very low in water, thus, fishes have evolved unique organs called gills, which are formed of many filaments covered heavily in lamellae.

The gill lamellae is the plate composition, which helps in increasing the intake of oxygen when the water flows over it. The gills comprises blood capillaries, and this composition of gills enhances the surface area for gas exchange to occur, and increases the rate of diffusion.

Thus, when gills get torn, the surface area for an efficient gas exchange reduces, and the fish dies due to lack of oxygen.

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3. Consider the statement: "An individual with two normal copies of the hemoglobin gene is said to
be
Which of the following phrases could fill in the blank to make the statement true?
Write "yes" or "no" next to each possible response.


Answers

Answer:

C IS THE ANSWER

Explanation:

YOU MUST ANSWER C

what kind of cells can secrete substances at the epithelial surface?​

Answers

Answer:

Epithelial cells

Explanation:

Epithelial cells are cells that secret mucus to prevent friction between organs. Like between the Heart and Lung.

What specialized tissues do vascular plants have that other plants do not? A. Structures for standing straight up B. Organs for absorbing sunlight C. Tissues for moving water around D. Flowers for reproduction

Answers

The answer is C.The name vascular implies that the plant can transport sieve through tube-like structures(phloem and xylem).

Option C. Tissues for moving water around are vascular plants have that other plants do not

Vascular plantsVascular plants exist also known as tracheophytes. They contain pteridophytes, gymnosperms, and angiosperms. Non-vascular plants lack a specialized vascular system for transporting water and nutrients. They may include simple structures that may specialize to perform transportation, e.g. algae and bryophytes.Vascular plants contain vascular tissues which distribute resources through the plant. Two types of vascular tissue occur in plants: xylem and phloem. Phloem and xylem exist closely associated with one another and are typically located immediately adjacent to each other in the plant.

xylem, plant vascular tissue that represents water and dissolved minerals from the roots to the rest of the plant and also furnishes physical support. Xylem tissue consists of a combination of specialized, water-conducting cells known as tracheary elements.

Hence Option C. Tissues for moving water around are vascular plants have that other plants do not.

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The amount of energy at trophic levels one and four in an ecosystem is indicated by the numbers.
Only 10% of the energy is passed on to the next trophic level.

What is the total amount of energy in levels two and three?

Answers

Answer:

1100

Explanation:

There is 10% of total energy in each increasing trophic level.                    10,000 / 10 = 1,000 ,so there are 1,000 units of energy in trophic level 2.

1,000 / 10 = 100, so there are 100 units of energy in trophic level 3.

1,000 + 100 units of combined energy would be 1,100 units of energy.

Hope this helps!

Ash trees are being removed when they show signs of the ash borer, a parasite that affects only ash trees and kills them off. What best explains why the ash trees are being cut down? The ash borer is a density-independent limiting factor, and humans need to clear cut to control tree density. The ash borer is a density-dependent limiting factor and will start to spread to nearby healthy trees. Ash trees are outcompeting other trees and are thus more affected by the ash borer. Changes in climate have decreased ash borer populations which indirectly increased the need for cutting down the trees.

Answers

Answer:

The ash borer is a density-dependent limiting factor and will start to spread to nearby healthy trees.

Explanation:

Ash borer is a parasite that affects ash trees it is highly destructive and invasive. It affects it Native host causing serious damages. Infected plant is cut down to avoid its spread to other healthy plant this is because ash bored when not control can destroy a whole population of ash trees in it Native environment within the space of 10 years. Its population dependent and would keep increasing in population and become more destructive. Thus, to avoid its spread infected trees are treated cut down and cut down.

Blue ash a type of ash tree shows high resistance to ash borer because of it high tanning content that makes the leaf not suitable to consume to them.

Answer:b

Explanation:

Em 2015, os países e a população global se reuniram para decidirem sobre novos caminhos, melhorando a vida das pessoas em todos os lugares. Essas decisões foram fundamentais para determinar ações globais para acabar com a pobreza, promover a prosperidade e o bem-estar para todos, proteger o meio ambiente e enfrentar as mudanças climáticas. As ações adotadas pelos Estados-membros resultaram em 17 Objetivos de Desenvolvimento Sustentável (ODS). Quais objetivos têm relação com o consumo sustentável? Qual o resultado esperado com a prática 12 para o consumo mais sustentável da população global?

Answers

Answer:

O principal objetivo da prática 12 é reduzir as perdas e usar os recursos naturais de maneira adequada.

Explanation:

Consumo sustentável significa que o uso dos recursos naturais é muito eficiente para evitar a poluição do meio ambiente. recicle o material usado e use-o novamente para reduzir o custo e também a poluição que ocorre durante sua fabricação. Use materiais que não agridam o meio ambiente e reduzam o uso de combustíveis fósseis. Reduzir perdas de alimentos e também evitar perdas que ocorrem após a colheita da colheita, a fim de fornecer mais alimentos para a população existente. O resultado esperado com a prática número 12 para um consumo mais sustentável pela população global é que mais alimentos e recursos estejam disponíveis para a população existente. população.

all plants give out oxygen during day and carbon dioxide during 9 to you agree with this statement give reason​

Answers

Answer:

Yes, I agree with the given statement.

Explanation:

Plants undergo the process of photosynthesis for the production of their food. In this process, they require the presence of sunlight, carbon dioxide, water, minerals, and chlorophyll. The process of photosynthesis is possible only during the day because sunlight is one of the major components. Carbon dioxide is taken in by the plant through the stomata from the environment. The oxygen is formed as a product of the process and is released in the environment. This process becomes impossible during the night because of the absence of sunlight. The entire process sums up to that the plants give out oxygen during the day and give out carbon dioxide during the night.

If soil have all nutrients, then why do we need to replenish it.
Urgent!!!

Answers

Answer:

because when we griw theplants over there all the nutrition will be already consumed so, we need to replenish it time to time.

This is due to several reasons:

(1) Nutrient uptake by plants

Plants take up several mineral ions such as nitrates(for general growth), phosphates (for root growth), magnesium (for chlorophyll).

In order for the plant to keep growing healthily, the soil has to be constantly replenished to supply them with the mineral ions required.

(2) Soil erosion/Percolation

Heavy precipitation, can result in the washing away of nutrients via percolation.

what is the top 5 largest country in africa

Answers

Answer:

The fifth largest country in Africa is,: Algeria and also;

Explanation:

the Democratic republic of Congo, Sudan, e.t.c.

Which function of the cell cycle is especially important to burn victims?
growth of existing cells
repair of existing cells
protection of new cells
reproduction of new cells
Previously
Save and Exit

Answers

reproduction of new cells.

The cell cycle is the process of the formation of new cells in organisms. It is an important process in burn victims as they reproduce new cells. Thus, option D is correct.

What is the cell cycle?

The cell cycle is the chain of steps that occurs in an organism that includes the division of the parent cell into the daughter cells through various phases.

The cell cycle includes the G1, S, G2, and mitosis phases. The cell increases in its size in gap 1, and copies the DNA material in the synthesis phase. In the gap 2 phase, the cell undergoes preparatory changes.

The actual division occurs in the mitosis phase where the cell reproduces and increases in number to replace the old and dead cells of the burn victim. It promotes the growth and repair of the injured area.

Therefore, option D. the cell cycle reproduces new cells in burn victims.

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Naked cytoplasm , multinucleated and saprophytic are characteristics of:
a)Monera. b)protista. c)fungi. d)slime molds​

Answers

Answer :-

[tex]\huge{\red{\fbox{\blue{\bigstar{\green{\mathbb{Fungi}}}}}}}[/tex]

Hope it helps ❣️

Answer:

Hey mate, Here is ur answer in the attachment

The structural and functional unit of skeletal muscle is called a/an . The connective tissue covering around a fascicle is the . The part of a muscle fiber that contracts is called a/an . The connective tissue covering an individual muscle fiber is the . The connective tissue covering on the outside of a whole muscle is the .

Answers

Answer:

The structural and functional unit of skeletal muscle is called a sacormere

The connective tissue covering around a fascicle is the perimysium

The part of a muscle fiber that contracts is called the myofibril

The connective tissue covering on the outside of a whole muscle is the Epimysium

Explanation:

Many biochemical reactions that occur in the cell are nonspontaneous when measured at the biochemical standard state, but are spontaneous inside of the cell. What is the most likely explanation for this difference in spontaneity for the same reaction measured under different conditions

Answers

The concentrations of reactants and products inside the cell favor the reactants.

Which organelle makes the proteins that are needed by the cell?
cell membrane
Golgi apparatus
ribosomes
nucleus

Answers

Answer: The answer is "Ribosomes".

Explanation: Ribosomes are responsible for making protein through amino acids. The proteins created are essential to cell and organismal function. Some ribosomes are attached to the endoplasmic reticulum (rough ER), others float freely within the cytoplasm.

Answer:

ribosomes is right

Explanation:

i just did it and passed sooooo

Which is the faster work organ in our body ?​

Answers

Explanation:

skin is the faster work organ in our body

Answer:

heart works faster in our body

Explanation:

what is the center of the DNA strand?

Answers

Answer:

It exhibits traits and metabolic instructions of the cell.

Explanation:

A DNA strand is a thin long molecule, with an average width of just around two nanometers. The remarkable thinness of the DNA strands allows them to be bundled very tightly fitted inside cells. Once DNA has been replicated adequately during the process of cell division, it is further wrapped together under a mechanism known as supercoiling. A non-condensed DNA is further condensed during supercoiling using a special protein known as a histone. A part of DNA packed around a large cluster of histones is called a nucleosome. Additional condensation leads to a chromosome or the most compact type of DNA that fits into the nucleus. It is also worth noting that this wrapping does not merely align DNA into a cell, but serves other objectives such as protecting DNA, thus ensuring metabolic instructions to the cell.

Name one of the nitrogen compounds produced in the process

Answers

Answer:

Britannica ❤️❤️❤️❤️❤️❤️

why do cactus bear thorns?​

Answers

Answer:

Cactus bear thorns because to protect the cacti from people and animals.

In the process of respiration, energy is released from ______
molecules and stored in smaller ______ molecules.
A. protein, ATP
B. food, glucose
C. lipids, triglycerides
D. glucose, ATP

Answers

Answer:

The answer is option D.

Hope this helps you

Answer:

In the process of respiration, energy is released from glucose molecules and stored in smaller ATP molecules.

Explanation:

Among carbohydrates, protein and fat, carbohydrates are metabolized first on respiration.  

Glucose first breaks into pyruvic acid (Glycolysis) Pyruvic acid forms acetyl coA (Link reaction)  Acetyl coA enters into the kreb cycle, where ATP is formed.  ATP formed through substrate level phosphorylation (direct ATP) and Electron transport chain (indirect ATP). NADH2 and FADH2 formed during respiration enters into ETC where they form ATP through oxidative phosphorylation.  

Thus, we can say that the correct option is D. Glucose, ATP.  

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