Although animals share many common characteristics, there is also a great amount of diversity found in animals. Which animals are ectothermic, obtain dissolved oxygen in water through gills, have scales, have fins, and live in water? A) Fish B) Reptiles C) Mammals D) Amphibians

Answers

Answer 1
The answer you are looking for is A) Fish

Fishes are examples of Vertebrates. They are cold-blooded; obtain dissolved oxygen in water through gills; most of them lay eggs; have scales; have fins; live in water. 
Answer 2

Fish are ectothermic, have scales and fins, obtain dissolved oxygen from water through their gills, and live in it. So, the correct option is A.

What are Ectothermic animals?

The body temperature of cold-blooded, ectothermic animals is regulated by their surroundings. Many animal species, such as reptiles, amphibians, fish, and some invertebrates such as insects, arachnids, and crustaceans, are ectothermic.

The gills of fish, which draw oxygen from the water as it flows over them, are how they take up dissolved oxygen from the water. Fish have skin that is covered with scales that serve as a means of protection and to reduce friction when traveling through water. Additionally, they have fins, which are used for swimming, steering, and maintaining balance. Fish are water-dwelling organisms that have a number of adaptations to the water environment.

So, the correct option is A.

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Related Questions

Plasmodial slime molds move by A. whipping their flagella. B. streaming along as a mass of cytoplasm. C. infecting a host organism. D. beating their cilia.

Answers

Answer: streaming along as a mass of cytoplasm.

Explanation:

Plasmodial slime molds are single cells that are fuse together by 1000 nuclei that are formed by the fusion of several flagellate cells. They form fruiting bodies when there is stimulus. The fruiting bodies help to disperse individual cells when there is favorable condition. They move by ooze to obtain good.

A severe iodide deficiency during early pregnancy may result in an infant afflicted with

Answers

Severe iodide deficiency during pregnancy is dangerous for fetal development. Iodine is crucial for brain development in the child. During early pregnancy this may result in an infant afflicted with Cretinism.  

Cretinism is a irreversible condition that is characterized by stunted mental and growth development. It also includes deafness and other neurological impairments.   
Cretinism. It is a condition resulting into a stunted physical and mental growth owing to untreated congenital deficiency of thyroid hormone due to the low levels of maternal thyroid hormone during pregnancy. The cause is usually, iodine deficiency. Therefore, iodine is not provided enough in the diet. Iodine is usually found in  our foods. Most of its forms are in the ocean where iodide is oxidize to form iodine. In case a newborn is suspected to have cretinism, thyroxine must be given. Frequent monitoring is advised to maintain the patient on a normal thyroid state.

Hospitals can protect themselves from successful wrongful discharge litigation by

Answers

Hospital  can  protect  themselves  from  successful  wrongful   discharge  litigation  by  inserting   specific disclaimer  language   in  their  personnel  manuals

  
Disclaimer  is  generally  any   statement  intended  to  specify  or  delimit  the  scope  of  right  and   obligation  that  may  be  exercised  and   enforced  by  partners  in  a legally  recognized  relationship. Disclaimer  inform  readers  that  thee  view, thought  and  opinions  expressed  in  the  text  belong   to solely  to  the author.

Plant cells produce oxygen gas ____. by splitting carbon dioxide. by splitting ribulose bisphosphate. by breaking down glucose by splitting molecules of water.

Answers


Almost all the oxygen you breathe comes from green plants. They produce oxygen during a process called photosynthesis. During photosynthesis green plants manufacture the sugar moleculesfructose and glucose. Green plants use energy from sunlight to build sugarmolecules from carbon dioxide and 

Plant cells produce oxygen gas by splitting molecules of water.  

• A kind of chemical reaction in which molecules are dissociated into smaller components by the activity of light is termed photolysis.  

• For example, in the process of photosynthesis, the photolysis of water molecule takes place under the activity of light.  

• During the process of photolysis, the absorption of photons takes place, which makes hydrogen to combine with an acceptor, and subsequently discharging the molecule of oxygen.  

• The molecule of water acts as a substrate for photolysis in the process of photosynthesis, resulting in the formation of diatomic molecule of oxygen.  

Thus, plant cells produce oxygen gas by splitting the molecules of water.

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1a. the hmgr-n3 allele fails to bind with srebp. what part of the gene is broken in this allele? (circle one)

Answers

If your choices are the following:
Allosteric site
Active site
Regulatory region
Coding region

The the part of the gene which is broken in this allele is the coding region.This is a part in which its role is the portion of a gene's DNA or RNA, composed of exons, that codes for protein.

States that all living things are composed of cells, cells are the basic unit of life, and cells come from pre-existing cells

Answers

cell theroy is the answer to your question

it is about the unified cell theory.

The statement you provided describes the fundamental principles of cell theory:

All living things are composed of cells: Cell theory asserts that all living organisms, whether they are single-celled or multicellular, are made up of one or more cells. Cells are the structural and functional building blocks of life.

Cells are the basic unit of life: Cell theory recognizes that cells are the smallest units of life and the fundamental functional and structural entities of living organisms. All life processes and functions occur within cells.

Cells come from pre-existing cells: This principle highlights that cells arise through the division of pre-existing cells. In other words, new cells are produced from the division of parent cells. This concept contrasts with the earlier idea of spontaneous generation, which posited that life could arise spontaneously from non-living matter.

Cell theory is a foundational concept in biology, and it was developed through the work of scientists like Matthias Schleiden, Theodor Schwann, and Rudolf Virchow in the 19th century. It provides a unifying framework for understanding the structure, function, and origin of all living organisms.

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The probable question maybe:

"What scientific theory states that all living things are composed of cells, cells are the basic unit of life, and cells come from pre-existing cells?"

True or false: polysaccharides, lipids, and other non-protein antigens are called t-independent antigens because they induce antibody responses without t cell help.
a. True
b. False

Answers

That is correct. polysaccharides, lipids, and other non-protein antigens are called t-independent antigens.

What behaviors would indicate to the charge nurse that one of the nurses could be experiencing countertransference? (found in the mental health review module)?

Answers

The charge nurse must observe some unconscious positive or negative expression of nurse’s level of involvement with the patient where it often  result to displaced emotions, stemming from the clinician’s previous life experience and having a detrimental effect on the relationship between clinician and client. 

With these indications, one of her nurse is experiencing countertransference where she is over identifying with the patient and that action will be reflected in the quality of care the patient receives.

 

The behaviors that would indicate to the charge nurse that one of the nurses could be experiencing countertransference are:

Deterioration of client and nurse relationship Displaced emotions

Further Explanation:

The transference of the diseases of the patient to the nurse who takes care of the patient is the process called countertransference. This transfer is possible by several ways like, needles transfer, clothes and other necessities transfer. The countertransference leads to the nurse suffering from same or similar disease as the patient with varied intensities.

The needlestick safety and prevention actdirectsthe employing body to eradicate or minimize exposure to contaminated sharps.Signed on November 6th 2000, this act works on the principal safe needles save lives. This campaign was launched by American nurses association. In this act the employers are required to identify, implement and evaluate safer medical devices and maintain a sharp injury log. This act in sure that the occupational front in the health sector is free from blood borne pathogens and diseases. This act directs the occupational safety and health administration (OSHA) to modify the blood borne pathogen standard. The revised standard of OSHA was published on 18th April 2001 and came into existence on 17th July 2001.

The blood borne pathogens are the potentially infectious pathogens that cause diseases such as AIDS, HBV, HCV etc. The workers at the healthcare front are constantly exposed to pathogens via different ways of contact. One major reason for transfer of blood borne pathogens from infected patients to the workers at healthcare sector is contaminated sharp objects used at hospitals. The diseases like AIDS and HBV can also spread through other means too.

Learn more:

Learn more about occupational Safety brainly.com/question/4124624 Learn more about Blood borne Pathogens Standard brainly.com/question/3206844 Learn more about OSHA brainly.com/question/9372437

Answer Details:

Grade: High School

Subject: Health

Chapter: Occupational Safety

Keywords:

Needlestick safety and prevention act, healthcare sector, bloodborne pathogens, accidental sharps, occupational settings, AIDS, HIV, acquired immunodeficiency syndrome, human immunodeficiency virus, hepatitis B virus, hepatitis B, hepatitis c virus, hepatitis c, OSHA.

The plasma membrane allows some molecular species to enter and excludes others. It is therefore referred to as a(n) _____ membrane.

Answers

 ''The plasma membrane allows some molecular species to enter and excludes others. It is therefore referred to as a SEMIPERMEABLE MEMBRAINE.''

Answer: Semi-permeable

Explanation:

The cell membrane are the semi-permeable membranes which are made up of proteins and phospholipids. The semi-permeable membrane causes some molecules or ions to pass through the membrane and protects the other to enter inside. This process avoids harmful ions and molecules to pass enter inside the cell and cause damage to the cell.  This process helps in maintaining the cell metabolism.    

does baby mammals depends on milk to survive

Answers

Hello,

The answer is "yes".

Reason:

Baby Mammal's need milk from their mother because they do not have teeth therefore cannot eat and have energy. Also it needs milk in order for its bones to get stronger therefore it wont get hurt easy.

If you need anymore help feel free to ask me!

Hope this helps!

~Nonportrit

which two organisms are most closely related, based on the tree above?
A. ray-finned fishes and sharks
B. rodents and primates
C. dinosaurs and crocodiles
D. dinosaurs and birds

Answers

Answer:

D. Dinosaurs and birds !!

Explanation:

Hope that helps ya!^^ <3

Final answer:

Dinosaurs and birds are the two organisms that are most closely related.

Explanation:

Based on the information provided, the two organisms that are most closely related are dinosaurs and birds. Birds are considered to be highly modified diapsids and they evolved from theropod dinosaurs. They share a common ancestor and have similar structural characteristics, such as the presence of feathers and a beak.

What is the role of glu 270 and arg 145 in catalysis?

Answers

Glu 270 as a GBC (general base catalyst) in step one and as a GAC (general acid catalyst) in step two. Arg 145 provides specific ion-ion interactions with the C-terminal carboxylate of the substrate which confers specificity for cleavage of the C-terminal residue from the peptide substrate

Match the scientist with the correct statement. 1. astronomer "Sea otters are on the endangered species list due to over-hunting for their beautiful fur." 2. geologist "A dinosaur mummy was found with much of its tissues and bones still encased!" 3. oceanographer "Many schools in Vermont are closed due to heavy snow, sleet, and rain." 4. meteorologist "Black holes are a small sphere of densely packed matter."

Answers

Sea otters are on the endangered species list due to over-hunting for their beautiful fur - oceanographer. Although this to me is not entirely correct as oceanographers are more concerned with physical processes of oceans. A better answer for this would be 'biologist' or 'marine biologist'.

A dinosaur mummy was found with much of its tissues and bones still encased - geologist. Although it is highly unlikely that a mummified dinosaur could be found.

Many schools in Vermont are closed due to heavy snow, sleet, and rain- meteorologist.

Black holes are a small sphere of densely packed matter - astronomer. 

Answer:

Many schools in Vermont are closed due to heavy snow, sleet, and rain- meteorologist.

Black holes are a small sphere of densely packed matter - astronomer.

Explanation:

what causes Earth's crust to crumble and fold

Answers

a rock under stress will fracture or break. when rocks break and move the energy realeased cuases an earthquake.

The Earth's crust crumbles and folds due to movements and interactions of tectonic plates that exert forces called stress, causing the physical deformation known as strain.

The Earth's crust crumbles and folds mainly due to the movement and interactions of tectonic plates. This process involves significant forces that cause the crust to bend, deform, and sometimes break, leading to the formation of folds and faults. These forces are known as stress, and the resultant physical changes in the crust are referred to as strain.

There are three basic kinds of stress:

Compression: Occurs when rock masses are pushed together, often creating folds in the rock. This typically happens when tectonic plates collide.Tension: Pulls the crust apart, leading to thinning and lengthening of the crust, such as the formation of rift valleys.Shearing: Takes place when plates slide past each other, cutting the crust into parallel blocks and displacing them horizontally.

Deep within the Earth, as plates collide, rocks crumple into folds much like when you push on opposite edges of a piece of cloth. These processes not only shape Earth's surface but also result in geological activities like earthquakes and volcanic eruptions.

Name two vestigial structures.

Answers

two vestigial structures is wisdom teeth and the tail bone.
Hope it helps

Human blood type a and b follows codominance rules. robert has codominant blood and audrey has the same blood type as her mother, who has heterozygous b blood. robert and audrey had two boys, clint and jordan.
a. (1pt) complete the punnett square for the mother and father below

Answers

the possible phenotypes are AB, BB, AO, and BO

A primiparous woman tells the nurse that she and her partner are highly reluctant to have their infant vaccinated, stating, "we've read that vaccines can potentially cause a lot of harm, so we're not sure we want to take that risk." how should the nurse respond to this family's concerns?

Answers

The nurse should respond that "Vaccinations are not without some risks, but these are far exceeded by the potential benefits." The nurse should explain the benefits that vaccine can be in the health of the child hence there are news about it there isn’t direct evidence saying that it’s not good for babies at all.

. Which order of amphibian is characterized as having no legs?

Answers

The order of amphibian with no legs is called Ceacilian. :)

During photosynthesis, specific pigments absorb light energy, which is then used to fuel the building of sugar molecules. which colors correspond to the wavelengths of light that are strongly absorbed by each pigment? some pigments absorb more than one color of light strongly.

Answers

Carotenoids:
- violet-blue

Chlorophyll b:
- orange-red
- violet-blue

Chlorophyll a:
- orange-red
- violet-blue

These are all pigments  which colors correspond to the wavelengths of light that are strongly absorbed.

Plants have three main kinds of pigments. These are chlorophylls (blue and red wavelengths), carotenoids (violet-blue wavelengths), and flavonoids (UV wavelength).

What are plant pigments?

Chlorophylls, anthocyanins, carotenoids, and betalains are the four primary groups that are included in the classification of plant pigments. They are responsible for the majority of the colors that are naturally produced from plants.

Pigments are chemical substances that impart color. The capacity of pigments to take in certain wavelengths of light is significantly more essential than their capacity to reflect light. Pigments are beneficial to plants and other autotrophs because of their interaction with light and their ability to absorb just specific wavelengths. Photosynthesis is the process by which these organisms create their own food and sugar molecule.

Therefore , pigments like chlorophylls (blue and red wavelengths), carotenoids (violet-blue wavelengths), and flavonoids (UV wavelength) absorb respecitve wavelengths.

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What is the primary function of most bacteria in a food web? A) producer B) predator C) decomposer D) primary consumers

Answers

Answer: is c

Explanation:

decomposer is teh answer

Suggest reasons why the information represented in the pyramid of numbers of animals of one of the ecosystems you studied may not truly represent that ecosystem.

Answers

The information represented in the pyramid of numbers of animals of one of an ecosystem may not truly represent that ecosystem because it provide information only on the quantity of organic matter available at a particular time but not on the productivity and turnover time.

The animals living in the deeper parts of the sea floor, ____

Answers

deep sea creature. These are animals that usually eat decaying matter or sea animal carcass sinking in the floor of the ocean. This is an ocean zone where in there is a high water pressure, no sunlight reached the area, and extremely low temperatures. The area where they live is called abyssal zone. The condition is very harsh where in they need to adapt in the enrinment through bioluminescence. Organism produce light through chemical reaction and chemosynthesis they transform energy from the chemicals available.

what's is a nucleus?

Answers

The central and most important part of an object, movement, or group, forming the basis for its activity and growth
A nucleus is the central and the most important part of an object, movement, or group.

It is found in plant and animal cells and an atom.

Hope this helped :)
Have a great day

(20 POINTS/WILL MARK BRAINLIEST) Compare natural selection to evolution. Be sure to justify your response in two or more complete sentences.

Answers

Evolution is the process of a new species being made. Natual selection is when better-adapted organisms survive. Hope it helps.

Answer:

Evolution is the process of a new species being made. Natural selection is when adapted organisms thrive and survive.

Fifty years ago, bed bugs were nearly eliminated in the United States by using of pesticides like DDT. Today bed bugs are back in beds and theaters. DDT is no longer used due to environmental issues. Pyrethrums are currently the top choice for bed bug infestations. Pyrethrums are especially useful to us because they generally have a stronger effect on bugs than on humans and animals. However, bed bugs have become resistant to even this chemical pesticide. What happened that allowed the bug population to increase? A) the chemicals used currently are weaker B) the chemicals no longer can penetrate bed bugs brains C) the bed bugs of today are exactly the same as the bed bugs of fifty years ago D) the bed bugs that survived the DDT years ago, reproduced new generations of chemical resistant offspring

Answers

they would produce new offspring

Answer:

D) os percevejos que sobreviveram ao DDT anos atrás, reproduziu novas gerações de filhotes resistentes a produtos químicos

Explanation:

It is very common for chemical insecticides to cause insect-resistant insects such as bed bugs shown in the above question. This was because when DDT was used to exterminate the bed bug population, some of these insects had chemical resistance to this product, which means that the product had no effect on their organisms.

These bed bugs survived and reproduced, creating new bed bugs that inherited their genetic property capable of producing DDT resistance. These bed bugs also reproduced thus generating a population of resistant bed bugs. The result is that the product has become inefficient in this new generation of bed bugs.

What can be concluded about Clades 2 and 4 from this cladogram?


A- clade 2 was derived from clade 4

B- clade 4 is ancestral to class 2

C- clade 4 was derived from clade 2

D- clade 2 is a subset of clade 4

Answers

The answer is C: clade 4 was derived from clade 2. The easiest way to interpret this cladogram is to start from the base and work up the first branch which is the earliest known common ancestor (1). From 1, two more distinct ancestors evolve (2  & 3), indicated by the next level of branching. 2 gives rise to 4, and 5, which give rise to A and B, and C and D, respectively. Similarly, 3 can be interpreted in the same way. 

In genetic engineering, the staggered cuts in dna that allow genes to be spliced together are made by __________.

Answers

The answer is restriction enzymes. These staggered ends are important in recombination of DNA since they allow DNA strands with complementary sticky ends to be easily joined into one piece by DNA ligase. Other restriction enzymes produce blunt ends. These are harder to join by DNA ligase. An example of a restriction ezyme if EcoRI






what evolutionary feature would distinguish phytoplankton from zooplankton?

Answers

The evolutionary feature that would distinguish phytoplankton from zooplankton is: nutrition and cellular structure.

Evolutionary Feature:

Phytoplankton and zooplankton are two distinct groups of plankton that play crucial roles in aquatic ecosystems, and they can be differentiated primarily by their evolutionary features related to nutrition and cellular structure.

Key Evolutionary Features

1) Nutritional Mode

Phytoplankton are autotrophic organisms, meaning they can produce their own food through photosynthesis or chemosynthesis. This ability allows them to convert sunlight or chemical energy into organic matter, making them primary producers in the aquatic food web. They are typically plant-like and include groups such as diatoms, dinoflagellates, and cyanobacteria.

Zooplankton, on the other hand, are heterotrophic, which means they cannot produce their own food and must consume other organisms, primarily phytoplankton. They are considered consumers in the food chain and include a variety of organisms such as crustaceans (like copepods and krill), protozoans, and larval stages of larger animals.

2) Cellular Structure

Phytoplankton possess chlorophyll and other pigments that enable them to capture light energy for photosynthesis. Their cellular structure is similar to that of plants, containing chloroplasts and a rigid cell wall, which can be composed of silica (as in diatoms) or cellulose (as in green algae).

In contrast, zooplankton lack chlorophyll and do not have the cellular structures necessary for photosynthesis. Their cells are typically more complex in terms of mobility and sensory structures, allowing them to navigate through water and respond to environmental stimuli.

Which compound is inorganic?
A. C6H12O6
B. KH2PO4
C. CH3COOH
D. C2H6
E. C2H5OH

Answers

By definition an organic compound is that which is carbon (C) bearing. Therefore inorganic compounds are without carbon.

In this case, it's B. KH2PO4

The compound is inorganic B. KH₂PO₄ as it has no carbon but all the organic compounds have the carbon.

What are the four inorganic compounds?

The following phase examines the 4 businesses of inorganic compounds crucial to life: water, salts, acids, and bases.

Compound wherein carbon-hydrogen bonds is absent is known as an inorganic compound.

An inorganic compound or greater factors are joined in exact proportions.

They are dissolved in water mythical H₂F is the molecular system of Potassium dihydrogen phosphate.

It is a product of potassium salt and dihydrogen phosphate ions which is likewise called monobasic potassium phosphate.

Potassium dihydrogen phosphate is used as a buffering agent and utilized in fertilizers.

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The American Psychological Association is the only organization that can approve psychological research studies. Please select the best answer from the choices provided T F

Answers

The statement "The American Psychological Association is the only organization that can approve psychological research studies." is false.

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