Interneurons are responsible for connecting sensor neurons and motor neurons by transferring signals and communicating with each other.
I need help with 1-3 !I need three good questions
1. a. What are the different environment that are home to various kind of organisms?
b. What are the environmental factors affecting the population size of a certain species?
c. How can an organism adapt to different kinds of environment?
The first question is regarding biosphere. The second is about carrying capacity. The third is about adaptation.
Which of the following does an ecologist study?
OA. Interactions between living organisms and the natural
environment
B. Historical changes in forms of government and economic
systems
C. The effects of smaller factories on internal trade
D. The impact of technology on communications and human
relationships
Answer:
The answer is A
Explanation:
An ecologist studies the relationship between living things and their habitats.
Which of these statements best describes what scientists do?
• study things only in nature
• explain events that occur in space
• experiment to solve problems in space and the world around us
• design strong bridge architecture
Answer: experiment to solve problems in space and the world around us
The purpose of scientists is to try and understand why things in the universe, including the earth and other bodies in space, work and behave the way they do and for what purpose.
Which classification includes more genera? A class or family?
Answer: The answer would be CLASS.
Explanation: If we refer to the taxonomic level of classification,
Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species
we can see that CLASS ranks higher compared to Family. So, the Class has a wide range of genera that will belong to it than Family.
Which group creates the most pollution?O developing countriesO hunter-gatherersO developed countriesO special interest groups
What creates most pollution is the burning of fossil fuels to produce energy for eletricity and transportation, because of the release of carbon dio
Which of the following was NOT an important piece of farming technology created during the Industrial Revolution?
Responses
icebox storage
irrigation system
food canning systems
plow with interchangeable parts
Answer:
Explanation:
B correct me if im wrong.
Answer: The correct answer is irrigation system
Explanation: This answer has been confirmed correct.
40. The evidence of evolution that centers around the anatomy of a species isknown asA. biochemical evidence.B. morphological evidence.C. fossil evidence.
The changes in morphology allow us to differentiate between species, but also, the anatomic similarities as some bones, like humerus, and radius, between others, help the scientist to evidence the evolution. So morphological evidence is the data used to determine evolutionary relationships. The answer would be B.
facilitated diffusion across a biological membrane requires ______ and moves a substance ______ its concentration gradient.
Facilitated diffusion is the process by which molecules diffuse across the plasma membrane with the assistance of membrane proteins like channels and carriers.
What main function of facilitated diffusion in membrane?Diffusion is the flow of chemicals across a biological membrane from an area of higher concentration to one of lower concentration, and it is facilitated by the usage of a transport molecule.
Because substances move in the direction of their concentration gradient, chemical energy is not directly needed.
Solutes diffuse through transport proteins in the plasma membrane when their diffusion is facilitated. A form of passive transport is facilitated diffusion.
Therefore, facilitated diffusion across a biological membrane requires transport proteins and moves a substance down its concentration gradient.
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PARTS OF THE PLANT Write the words from the box in the correct place: transported absorb food Support sunlight (ground) reproductive organs Flower The flower contains the plant's pes Port
ed
Answer:
Explanation:
The part of a plant that remains under the ground is the root system and the part of a plant that remains above the ground is the shoot system.
A scientist diluted a blood sample with distilled water and waited two hours before looking at the cells under a light microscope.
The blood cells
O remained the same size since they were placed
in an isotonic solution
O gained water because they were placed in a
hypotonic solution
• gained water because they were placed in a hypertonic solution
O lost water because they were placed in a
hypotonic solution
El agua destilada y el agua de chorro son hipotónicas comparadas con la sangre. Si el glóbulo rojo se sumerge en una solución que tiene una osmolaridad menor a 0.32, el agua entra al glóbulo rojo, haciendo que éste se hinche (turgencia) y rompa si el agua que entra es considerable (proceso de hemólisis). ESPERO QUE TE AYUDE :)
When a blood sample is placed in distilled water for two hours. The blood cells gained water because they were placed in a hypotonic solution. Thus, the correct option for this question is B.
What is a Hypotonic solution?A Hypotonic solution may be defined as a type of solution that possesses a lower osmotic pressure than the solution through which it is compared. This type of solution generally has a lower solute concentration.
Distilled water significantly behaves hypotonic to the red blood cells. Due to this, the red blood cells swell, and red-colored pigment known as hemoglobin leaks from it as a cell increases its size. Due to this, the color of the solution changes into transparent red-pink.
Therefore, when a blood sample is placed in distilled water for two hours. The blood cells gained water because they were placed in a hypotonic solution. Thus, the correct option for this question is B.
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I need help with this practice problem My questions are located at the top of the pic
Hi. We just had a session with this same question is there any doubt left?
How many credits are required for an associate degrees,bachelors degree,masters degree and doctorate degree list in order
Help pls:)
Answer:
Associates: 60
Bachelors: 120
Masters: 30-60
Doctorate: 60-120
The large intestine:is also called the colon.is smaller than the small intestine.contains a variety of living bacteria.All of the choices are correct.
Answer:
All of the choices are correct.
Explanation:
Large intestine aka colon is smaller than small intestine but wider than it and contains a variety of living bacteria.
Describe the structure and function of the skin
The skin is the largest organ of the human body. It has three layers: epidermis, dermis, and hypodermis.
The epidermis is the outermost layer. It is composed of keratinocytes, a type of epithelial cell that produces keratin. The compact nature of the epithelial cells of the epidermis makes the skin waterproof. Melanocytes are also found in this layer and produce melanin, or skin pigment. The epidermis function as protection against UV rays.
The dermis is the inner thicker layer that is mostly composed of connective tissue and connected to the epidermis by collagen fibers. The structures found in this layer are the hair follicle, hair root, sebaceous gland, and sweat gland. The dermis function is to excrete excess oils and waste out of the body through the production of sweat and production of vitamin D with specialized cells found in this skin layer.
The hypodermis is the innermost layer that is composed of adipose tissue. It functions as a cushion between the muscles and the skin.
please look at the picture
Answer:
The B is the correct ANSWER.
Explanation:
How do the cells of alzheimer's compare and contrast with peoples cells without Alzheimer's?
Does lymph can direct through the arteries
Lymph, which is a substance different from the blood that carries out nutrients from the extracellular media of the different tissues of our body, flows through specific vessels, known as lymphatic vessels, so they don't go directly through the arteries, as we can see in the following picture:
Explain the structure and function of venous valves in the large veins of the extremities?
The structure of venous valves in the large veins of the extremities is that the the valves in the veins are hemispherical in shape and are made up of Elastic tissue. These valves are lined by the endothelium like the rest of the veins. Beneath this endothelium, elastic tissue is present in the form layers or lamellae.
The functions of the of venous valves in the large veins of the extremities is is to keep the blood moving in one direction which is back up towards the heart.
What are veins?Veins are regarded as blood vessels located throughout your body that collect oxygen-poor blood and return it to your heart.
Veins are generally part of your circulatory system which work together with other blood vessels and the heart to keep blood moving in the body.
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16. A heterozygous organism is also known asA. dominant.B. purebred (true-breeding).C. hybrid
As w know in mendelian genetics, a heterozygous organism has two allele versions, meanwhile, a homozygous organism has both copies equal, so homozygotes are also called purebred and heterozygotes hybrids, so the correct answer is option C.
. you want to design a breathing machine that will bring 500 ml of air into the lungs. you begin with 100 ml of air at 2 atm of pressure. how would you change the pressure in your machine to accomplish your goal?
The pressure would be changed to 4 atm in the machine to bring 500 ml of air into the lungs.
What is pressure and what is breathing and why the pressure is brought up to 4 atm?Breathing is a biological phenomena , biological practice to inhale the air and exhale CO2 through lungs.In the process the inhalation lasts for 3 sec and exhalation for 3.5 seconds of time.Pressure is the quantity representing the force per unit area of the region in a considered time.To design a machine bringing 500 ml of the air into the lungs, initially it was at 100 ml of air at 2 atm .Hence the pressure would be changed to 4 atm in the machine to bring 500 ml of air into the lungs.To know more about breathing visit:
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What are transposable elements and what is their significance?
Transposable elements are DNA sequences, genes. With the capacity to move inside the genome, that is to say, they can change their position in the genome by themselves. Due to this ability to change position, they have been widely studied, although many times insert themselves on inactive genomic regions, they have contributed to genetic diversity and generating polymorphisms, which in turn have an impact on the evolution. Also in a low percentage of cases can generate genetic illnesses in early embryonal states, like some ehemofilias or leukemias.
I need help with this practice problem solving In your own words answer my pic below all
Answer:
Kudzu was intentionally introduced to North America by the Soil Erosion Service and Civilian Conservation Corps in the 1930s for the purpose of controlling soil erosion in the American Southeast.
Atrazine is one of the most widely used herbicides throughoutthe world. Some studies have shown that the chemical has affectedthe sexual development of frogs, most notably, leopard frogs (Rana pipiens).femalemaleOne study suggested that male tadpoles exposed to the herbicide develop into female frogs. These mutated female frogs, accordingto the study, have the ability to reproduce with other males. However, the mutated frogs can only produce male offspring.This case demonstrates howA. the activities of organisms can change the environments in which they live.OB. chemicals introduced to the environment by humans affect only the organisms they were designed to affect.OC. factors in the environment can change the characteristics of organisms.D. chemicals introduced to the environment by humans have no effect on the ecosystem.
The case the exersice tells is an example of how introduced subtances to a particular environment have a negative impact on the species' health, as states the C answer option: "factors in the environment can change the characteristic
When two gametes (such as an egg and sperm) combine, the process is known asasexual reproduction.embryogenesis.fertilization.parthenogenesis.
When these two gametes (an egg and a sperm) combine with each other, the process is known as fertilization (as we can see in the third answer option), and this is achieved by these two sexual cells by a set of physiological reactions in which both cells are involved, for example, they can chemically attract between each other. After this process, also known as fecundation, there would be the formation of a zygote, which will end in the formation of an embryo after embryogenesis. We can see this graphically in the picture below, where there're a sperm and an egg with their parts.
elect 2 that apply.Which of these are monotremes? Select all that apply.kangaroosgiraffeduck-billed platypusdogkoala bearsspiny anteater
Answer:
Duck-billed platypus and spiny anteater
When reading the nutrition facts on a food label, total fats is a measure of
Answer:
If a food has less than 0.5 grams of saturated fat in the serving size on the label, the food maker can say it contains no saturated fat. Remember this if you eat more than 1 serving. You should also pay attention to trans fats on any food label. These fats raise "bad" cholesterol and lower your "good" cholesterol.
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Explain one environmental drawback, not related to water use, of using the franking process to extract natural gas from shale.
One environmental drawback of using the franking process to extract natural gas from shale, is air pollution.
Methane is a main component of natural gas and is 25 times more potent in trapping heat in the atmosphere than carbon dioxide. A number of other air contaminants are released through the various drilling procedures, including construction and operation of the well site, transport of the materials and equipment, and disposal of the waste. Some of the pollutants released by drilling include: benzene, toluene, xylene and ethyl benzene (BTEX), particulate matter and dust, ground level ozone, or smog, nitrogen oxides, carbon monoxide, formaldehyde and metals contained in diesel fuel combustion---with exposure to these pollutants known to cause short-term illness, cancer, organ damage, nervous system disorders and birth defects or even death .
Which one of the following statements about intracellular transport is TRUE?
a. kinesin and myosin move substances along microtubules
b. kinesin moves substances along microfilaments
c. kinesin and dynein move substances along microtubules
d. kinesin and dynein move substances along microfilaments
The true statement about the intracellular transport is option C. kinesin and dynein move substances along microtubules.
Intracellular transport is the movement of vesicles and materials within a cell. Intracellular shipping is needed for preserving homeostasis in the cellular by responding to physiological alerts.
The primary difference between intercellular and extracellular fluid is that intracellular fluid is the liquid found in the cell whereas extracellular fluid refers to all the frame fluids outdoor the cell. Intracellular transport is important for maintaining the right mobile function in maximum eukaryotic cells, with perturbations in lively shipping ensuing in several kinds of sickness.
Cytoskeleton Determines the location of Organelles inside the mobile. Intracellular shipping of molecules and organelles is liable for their delivery to vacation spot websites.
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Which of the following substances is not an element?Iron, oxygen, water, carbon,hydrogen
The substance that is not an element is water, it is formed by one atom of the element oxygen and two atoms of the element hydrogen.
The rest of the substances, iron, oxygen, carbon and hydrogen, are pure elements formed by equal atoms.
1. Which process happens when a
small root and stem begin to grow
out of a seed?
Answer:
Germination
Explanation:
The beggining growth of the plant
Answer:
Germination
Explanation:
It's when the seed takes water from the soil. This trigger root growth to allow the seed get more water. It then develops and grows towards the sun above ground