Biology High School

Which of the following is NOT a flatworm?

1.Flukes
2.TapeWorm
3.Planarian
4.None Of The Above

Answers

Answer 1
 are all flatworms so the answer is none of the above
Answer 2
I think the answer would be #1 Flukes

Related Questions

Defensive proteins are manufactured by the _____ system.

Answers

Defensive proteins are manufactured by the _____ system.D. immune

Defensive proteins are manufactured by the system referred to as the immune system. The correct option is C.

What are defensive proteins?

Defensive proteins or monoclonal antibody, also known as immunoglobulins, comprise the most crucial component of the immune system.

These proteins aid in preventing disease by sustaining various types of restrictions and elimination mechanisms in the body.

Saliva contains a large number of defense proteins. Salivary immunoglobulins and the salivary chaperone HSP70/HSPA, for example, are implicated including both innate and acquired immune activation.

The immune system defends one's body against external invading forces. Toxins and pathogens such as bacteria, viruses, and fungi are examples of these.

Thus, the correct option is C.

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Your question seems incomplete. The missing options probably are:

A. Digestive B. Cardiovascular C. Immune D. Nervous E. Integumentary

An all-or-none response pattern is characteristic of the

Answers


initiation of neural impulses

?a warming climate can lead to worldwide sea level change. this is an example of a(n) ____________ change in that it can be measured all over the world.

Answers

The answer is:  "global" .
______________________________

the people in a location in florida dug wells to reach the underground water source which of these is a correct conclusion about the location

A. It has several lakes
B. It has excess run off
C. It has excess precipitation
D. It has a high rate of evaporation

Answers

Answer: B. It has excess run off.

Explanation:

Surface run off is a condition in which water flows over the surface of land. The water comes from rain, snowmelt, and other sources. This water because of fast flow rate does not get absorbed inside the soil.

Hence, florida people should dug well so that the water from runoff may enter the well and water erosion can be prevented.

Answer:

the answer is

Explanation:

B. It has excess run off

Migrating subtropical pressure zones generally produce dry summer conditions on the west side of continents because of

Answers

Dry conditions and actual deserts in the sub-tropical zone are located mainly n the west side of mountain ranges because mainly due to two factors-one the prevailing trade winds blow from the NE or SE so that these dry zones are in the rain shadow, and secondly there are usually cold ocean currents on the west side that cause dessication.

Which type of substance is an environmental contaminant that causes harm to living organisms?

Answers

The answer to this question is a pollutant. An example of this are chemical pollutants which they have the ability to destroy and harm living things around them such as animals and plants. They could also harm human beings when they are exposed to it or when they have ingested it. It is because chemical pollutants has the ability to destroy the balance of the environment and destroy one's health.

Which of the following is an example of how a scientist might use a model?

Question 5 options:

Stopwatches measure the amount of time it takes for a swimmer to go one lap in the pool.


A saw is used to cut a board in half.


Marbles placed inside a hollow sphere are used to describe protons in a nucleus.


A telescope is used to see the moons orbiting Jupiter.

Answers

Answer: Marbles placed inside a hollow sphere are used to describe protons in a nucleus.

the marbles are not the protons nor is the hollow sphere the nucleus. Therefore, when the scientist does this, he is using a model. However the rest of the 3 options are the real things you use.

The study of how organisms interact with their environment and with other organisms is called: biogeography conservation biology ecology environmentalism

Answers

This study is called ECOLOGY. Ecology refers to the scientific study of the interaction between organisms and their environment. The environment with which an organism interacts can be divided into two major categories; they are abiotic and biotic. The abiotic is made up of non living factors while the biotic is made up of living factors.

N the process of fertilization, the _______ and _______ unite, resulting in a single cell.

Answers

Final answer:

Fertilization is the process in which a sperm and an egg unite to form a single cell called a zygote. This process occurs in a fallopian tube.

Explanation:

Fertilization is the process in which a sperm and an egg unite to form a single cell called a zygote. This process occurs in a fallopian tube. The zygote then undergoes multiple cell divisions before it implants in the lining of the uterus.

How does the water inside plants return to the atmosphere?
Runoff
Evaporation
Precipitation
Transpiration

Answers

Transpiration is the correct answer. It's when moisture is carried through plants from roots to stomata on the underside of leaves, where it changes to vapor and is released to the atmosphere.

The right answer is transpiration.

Leaves transpirate by their stomata, small pores that connect the inside of the leaf with the external environment. The plant thus uses phenomena of variations of the opening of the stomata.

Transpiration plays a major role in the water absorption of the plant. It is in fact largely thanks to it that the sap rises in the xylem.

Nervous tissue forms nerves that vary in length. The flexibility of nerve length allows communication to occur between regions of the body that are very close to each other, or very far away from each other. One example of a very long nerve is the sciatic nerve, which runs from the spinal cord to the toes and is approximately one meter long. Which of the following is supported by the passage?

A. Only distant regions would communicate using nervous tissue
B. Only nearby regions would communicate using nervous tissue
C.Both distant and nearby regions would communicate using nervous tissue
D. Neither distant nor nearby body regions would communicate using nervous tissue

Answers

The correct answer is C. It's very obvious from the passage that the nerves may reach the distant regions like the sciatic nerve that communicates between the spinal cord and the toes. The nerve is a tissue that is composed of different types of cells. mainly, the nerve contains the nerve bundles. Each nerve bundle consists of a group of axons of nerve cells grouped together in a sheath. The nerve tissue an artery and a vein for the blood supply. The nerve may reach 2 meters long in some cases and may have branches.
C.Both distant and nearby regions would communicate using nervous tissue

An impulse from nervous tissue must be transmitted to the brain to be perceived. A long nervous tissue will transmit everything in their path. The nerve is not only traveling to the toes but also branched to nearby tissue so it can capture any impulse. 

A normal systolic blood pressure for a 30-year-old is between:

Answers

the answer is 90 and 140 mm Hg.

Hearing loss that occurs as a function of age is called _____.​
a. ​aural ataxiac
b. ​presbycusis
c. ​anosmia
d. ​presbyopia

Answers

Final answer:

Hearing loss that occurs as a function of age is called presbycusis, a gradual bilateral condition caused by changes in the inner ear or auditory nerve. Presbycusis may go unnoticed initially and can often be treated with hearing aids.

Explanation:

Hearing loss that occurs as a function of age is called presbycusis. This condition is an age-related sensorineural hearing loss that results from degeneration of the cochlea or associated structures of the inner ear or auditory nerves. Presbycusis is gradual, often affects both ears, and tends to run in families. Individuals may not immediately realize that they have lost some hearing ability.

Options such as aural ataxia, anosmia, and presbyopia refer to other conditions and are not related to age-related hearing loss. Presbyopia, for instance, references age-related farsightedness and not hearing loss.

When addressing age-related hearing loss, hearing aids might be effective for treating sensorineural hearing loss, which includes presbycusis. Conductive hearing loss, on the other hand, results from issues with the vibration of the eardrum or movement of the bones in the middle ear, which differs from the inner ear and nerve issues associated with presbycusis.

Mendel studies seven different traits in the garden pea. what genetic term is used to describe an observable trait, such as those studied by mendel?

Answers

The genetic term used to describe an observable trait is phenotype. More specifically phenotype is the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.

______ are a symbiosis between a photosynthetic organism and a fungus.

Answers

Lichens are a symbiosis between a photosynthetic organism and a fungus. It is a composite type of organism that results from a cyanobacteria or an algae living in the filaments of a fungi. They would come in different forms, sizes and colors. Lichens have properties much like a plant however they are not considered as plants. They can grow on almost all surfaces as long as the conditions needed are present. They can be found from sea level and even in high elevations. It was said that about 6 percent of the land surface of the Earth is covered by lichens. 

What type of macromolecule can move polar substances across membranes via facilitated diffusion and/or active transport?

Answers

The type of macromolecule that can move polar substances across membranes via facilitated diffusion and/or active transport are the lipids. This group of macromolecule would belong to the family of organic substance which would include waxes, cholesterol, vegetable oils and fats. Facilitated diffusion is a process wherein there is a spontaneous transport of molecules across a membrane. It happens in almost all of the cells. Lipids would undergo this diffusion across a phospholipid bilayer by the carrier proteins. Since the bilayer contains lipids then only molecules that are soluble in lipid can pass the membrane. Most likely these are small polar uncharged molecules.

What does the presence of homologous structures in different organisms suggest? A.) similar movement B.) common ancestry C.) similar habitat D.) common distribution

Answers

The presence of homologous structures in different organisms suggests common ancestry. Therefore option B is correct.

Homologous structures are anatomical features found in different species that share a similar underlying structure but may have different functions.

These similarities are best explained by evolutionary theory, which proposes that all life on Earth shares a common ancestor.

Over time, as species diverged through the process of evolution, modifications occurred in their shared ancestral structures to suit their respective environments and functions.

The presence of homologous structures provides compelling evidence for the relatedness of organisms and their evolutionary history, supporting the idea that they have descended from a common ancestor.

Therefore option B is correct.

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Final answer:

Homologous structures indicate a common ancestry (option B) among organisms, as they are similar anatomical features that have evolved from the same embryonic origin, highlighting an evolutionary relationship despite potential differences in function.

Explanation:

The presence of homologous structures in different organisms suggests a common ancestry (option B). These structures are similar anatomical features found in different species that have developed from the same embryonic origin due to evolutionary history, despite potentially serving different functions in each species. For example, the bones in the forelimbs of mammals, such as wings in bats, fins in whales, or arms in humans, are considered homologous because they share a common structural pattern that has been adapted for various functions like flying, swimming, or grasping. This supports the idea that these species share a common ancestor. An important distinction is that homologous structures differ from analogous structures, which are features in different species that have similar functions but did not originate from a common ancestor, usually evolving independently in response to similar environmental challenges.

describe and draw the structure of an amino acid

Answers

Amino acids have a two-carbon bond. One of the carbons is part of a group called the carboxyl group (COO-). A carboxyl group is made up of one carbon (C) and two oxygen (O) atoms. That carboxyl group has a negative charge, since it is a carboxylic acid (-COOH) that has lost its hydrogen (H) atom. 
hope this helps you sir or maam :D

______ are produced in growing areas, such as meristems at the tip of the shoot.

1.Auxins
2.Gibberellins
3.Cytokinins
4.None Of The Above

Answers

CYOKININS is the correct option. Cytokinins is one of the types of plant hormones and it is usually produced in the root apical meristem, that is, at the very tip of the root. The hormone delays aging in plants and it also involve in repair of wounded plant parts.

How does the central dogma of molecular genetics serve as the basis of modern genetics?

Answers

The Central dogma alludes to connections among DNA, RNA, and proteins. Must comprehend interpretation and interpretation to comprehend these connections. 
The Central dogma of biology portrays the two-stage process, interpretation, and interpretation, by which the data in qualities streams into proteins: DNA → RNA → protein. Translation is the combination of an RNA duplicate of a fragment of DNA.

Messages inside neurons are transmitted in electrical form. however, messages traveling between neurons utilize chemicals called

Answers

They are called neurotransmitters. 

phytoplankton play an important role in which following biogeochemical cycles

Answers

the phosphorus cycle 

Hope it helps! :)

Answer:

phosphorus cycle

How is light used in photosynthesis reddit?

Answers

Been searching but most sources say it uses 'sunlight' or 'light energy'. I want to know exactly which kind of light it is. Can you technically shine a UV lamp onto a plant and promote photosynthesis?


Answer:

Light provides energy for the synthesis of glucose from carbon dioxide and water during photosynthesis. ... During light reaction, the chlorophyll entraps light and the solar energy is converted into chemical energy in the form of ATP molecules.

Explanation:

The minimal amount of nutrients needed every day by healthy people to prevent nutrient deficiencies is called the

Answers

The minimal amount of nutrients needed every day by healthy people to prevent nutrient deficiencies is called the RDA.
RDA stands for recommended dietary allowances. RDA's are established by the Food and Nutrition Board of the National Academy of Sciences. There is a term RDI related to this. RDI stands for recommended daily intake.

A. What was the average number of tropical storms per season for the time period 2005-2014? B. What was the average number of hurricanes per season for the time period 2005-2014?

Answers

The correct answer is : The average number of tropical storms per season for the time period 2005-2014 was 19 and the average number of hurricanes per season for same period was 9 and major was 4.

What is called tropical storms?

If the circulation continues to intensify and the wind speeds exceed 63 km (39 miles) per hour, then the system is called a tropical stormOnce the maximum wind speed exceeds 119 km (74 miles) per hour, the storm is classified as a tropical cyclone.

What is called hurricanes ?

Tropical cyclones with maximum sustained surface winds of less than 39 miles per hour (mph) are called tropical depressions. Those with maximum sustained winds of 39 mph or higher are called tropical storms. When a storm's maximum sustained winds reach 74 mph, it is called a hurricane.

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Final answer:

To find the average number of tropical storms and hurricanes per season from 2005-2014, sum up the total number of events over the 10 years and divide by 10. The specific averages depend on real data from meteorological records.

Explanation:

To answer the question regarding the average number of tropical storms and hurricanes per season from 2005-2014, we would first need data specifying the total numbers of tropical storms and hurricanes for each year within that timeframe. Since specific data is not provided within the question, I’ll guide you through the general approach to calculating averages.

Firstly, you would sum up the total number of tropical storms (or hurricanes) that occurred over the 10-year period. Then, divide that sum by the number of years (10 in this case) to find the average per year. The formula for the average (‘A’) would look like this: A = Total Number of Events / Number of Years.

For example, if there were 150 tropical storms in total from 2005 to 2014, the average number of tropical storms per season would be calculated as follows: 150 (total tropical storms) / 10 (years) = 15. Thus, the average would be 15 tropical storms per season. Apply the same method to calculate the average number of hurricanes per season.

Note that the actual average would depend on the specific totals for each year, so you would need to consult meteorological records to obtain the precise numbers for tropical storms and hurricanes during 2005-2014.

at what depth would organism that rely on infrared light most likely be found in the ocean

Answers

at the top I think but I could wrong



Answer:

The correct answer is epipelagic zone of the ocean.

Explanation:

The species that depend upon infrared light would most probably be witnessed in the epipelagic zone of the ocean, that is, at the depth of 10 to 15 meters. The epipelagic zone is the first and the foremost zone, and it is more shallow in comparison to the other zones. As it is near to the surface, thus, it obtains more light.

During the fourth stage of labor, the nurse assesses the client’s fundal height and tone. when completing this assessment, the nurse performs which action to prevent prolapse or inversion of the uterus?

Answers

Place a gloved hand just above the symphysis pubis.

How does biodiversity depend on a species ability to reproduce

Answers

Biodiversity refers to the number of animal and plant species in a particular community per time. It is ideal for a community to have high degree of biodiversity. 
The principal aim of reproduction is to prevent a specie from becoming extinct. The species in the community can only sustain biodiversity by giving birth to young ones who will continue to exist after they are dead. Thus, a specie ability to reproduce is what sustain the biodiversity.

Muscle contraction that results in a change in joint angle is called

Answers

Muscle contraction that results in a change in joint angle is called concentric contraction.
This contraction occurs when enough force that can overcome the resistance applied is developed by the muscle where this force developed is larger than the force of the resistance applied.

What is being signaled when you hear 5 short blasts from another vessel’s horn?

Answers

Five short blast from another vessel's horn signify DANGER OR DOUBT. When two vessel are about to pass each other by, they have to communicate each other intentions in order to avoid collision. If one of the party does not understand the message that is been relayed or feel that the other party is not taking enough caution to avoid collision, then he should sound the five short blasts to signify that he does not understand what the other party is trying to do. 
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