The frog floats in water with its eyes, nostrils and eardrums above the level of water. What is the significance of this location
Answers
The significance of this location is determined by the fact that it allows a frog to sit in the water with only its eyes and nose above the surface.
What is Frog's adaptation?A frog's adaptation depends on its attributes and functions. The eyes have a surprising auxiliary function: they help in swallowing. As a frog swallows its prey, the eyes sink through openings in the skull and help force the food down the throat.
The force that is called the diamagnetic force plays an important role in the mechanism of floating of frogs. This force is directed upwards and appears to be strong enough to compensate for the force of gravity (directed downwards) that also acts on every single atom of the frog.
So, the frog's atoms do not feel any force at all, and the frog floats as if it were in a spacecraft. Therefore, the significance of this location is determined by the fact that it allows a frog to sit in the water with only its eyes and nose above the surface.
To learn more about Frog adaptations, refer to the link:
https://brainly.com/question/29643252
#SPJ1
Related Questions
describe the structural feactures of the foot that are clearly related to its weaight bearing and locomotry function
Answers
The arches are the structural feactures of the foot that are clearly related to its weaight bearing and locomotry function.
The arches of the foot have an important role in weight bearing. During standing, the weight of the body is distributed throughout the bones in the foot by the arches. The weight is transmitted from the tibia to the talus, before being transmitted posteriorly to the calcaneus.
The foot is clearly a complex structure with flexible and non-flexible parts whose functions are interdependent. In order to provide support for standing and a lever for propulsion the foot needs to be firm and stable.
Flexible bands of tissue stretched between the bones hold all this complicated body machinery together. These bands are called ligaments.
Learn more about arches here:-
brainly.com/question/24541556
#SPJ4
What’s Darwin’s theory
Answers
Charles Darwin's theory of evolution had three main components: that variation occurred randomly among members of a species; that an individual's traits could be inherited by its progeny; and that the struggle for existence would allow only those with favorable traits to survive
◌⑅⃝●♡⋆♡Mickzminnz♡⋆♡●⑅◌
How long does it take to get to the moon
Answers
Answer:
about 3 days
Explanation:
Hi
I GIVE BRAINLIEST !!
Please help with this question! Tell how you know, Question worth 20 points!
Answers
Answer:
D
Explanation: It is the best answer to choose and most correct.
in what way(s) is detection of chemicals in your mouth by taste receptor cells similar to hormone signaling? in what way(s) is detection of chemicals in your mouth by taste receptor cells similar to hormone signaling? receptor proteins are specific for one (or a few similar) chemicals/hormones a cell must have a receptor protein that interacts with a chemical/hormone for the chemical/hormone to cause a change in the cell interaction of a chemical/hormone with receptor protein causes a response in the cell all of the above
Answers
The gustatory receptor cells' detection mechanism and the hormone signaling pathway are quite similar.
The detection of chemicals in your mouth by taste receptor cells is similar to hormone signaling in several ways. The interaction of a chemical/hormone with a receptor protein causes a response in the cell, receptor proteins are specific for one (or a few similar) chemicals/hormones, and a cell must have a receptor protein that interacts with a chemical/hormone for the chemical/hormone to cause a change in the cell. All of the above are true. The molecular mechanism for sensing taste is more established than the mechanism for sensing smell, but both utilize G protein-coupled receptors. In the case of taste, the taste receptors for sweet, umami, and bitter are classified as type 1 G protein-coupled receptors because they utilize gustducin as their G protein, whereas the receptors for sour and salty are classified as type 3 G protein-coupled receptors because they use other G proteins in combination with phospholipase C. Taste receptors have a binding site for the chemical or sugar molecule, which induces a conformational change in the receptor that activates a signaling cascade in the gustatory nerve fibers.
To learn more about Receptor :
https://brainly.com/question/30085822
#SPJ11
Pls help thank you will mark the Brainliest
Answers
The arrangement of circles taht best illustrates the relationship between the genus and species of Canis familiaris, the domestic dog is Option 1 where familiaris is a subset of Canis.
What are genus and species?Genus and species are terms used in the scientific classification of living organisms, also known as taxonomy.
A genus is a taxonomic rank used to group together closely related species. It is a level of classification above species and below family. Organisms within the same genus share many similarities in their characteristics, such as their physical features, behavior, and genetic makeup.
A species is the basic unit of classification in biology. It is a group of organisms that share common characteristics and can interbreed to produce fertile offspring. Each species is given a unique two-part scientific name, consisting of its genus name and its species name, such as Homo sapiens for humans or Canis lupus for wolves.
Together, genus and species names form what is called a binomial or scientific name, which is used to refer to a specific organism.
Learn more about genus and species at: https://brainly.com/question/346710
#SPJ1
A heterozygous Type B blood person has a child with a Type O person; what might their child be? (Phenotypes and Genotypes!)
Answers
Answer:
Pheno= Type Bo or Type O
Geno = Bo or O
Explanation:
Hetero = Bo
Bo x O in a punnet square would give you the results of 50% of Bo or 50% of O meaning that the child has a 50-50 chance of either being B or O type.
which statement best describes how nutrients enter the root cells of the onion plant
Answers
Answer:
2. hope helpful answer to your question
An onion's bulb is made of altered leaves. The chloroplast-containing onion's leaves undergo photosynthesis, but the little glucose that is generated during this process is turned into starch (starch granules) and stored in the bulb.
What route of nutrients enter the root cells of onion plant?Through root hairs near the very tip of the roots, the majority of nutrients are absorbed. Ultra-fine roots called root hairs have a vast surface area, which makes it possible for them to absorb more water.
Vegetable plants release moisture through their leaves, generating a vacuum that pulls nutrient-rich surface soil solution toward the plant roots.
The movement of the vast majority of plant nutrients (98%) from the soil to the root surface is explained by this mass flow process brought on by leaf transpiration.
Therefore, Most plants collaborate with various fungus to take up more nutrients from the water in the soil.
Learn more about onion here:
https://brainly.com/question/21973730
#SPJ2
25. Stomach stones used by ancient reptiles to grind food are called: a. coprolites b. carbon films c. gastroliths d. petrified stones 26. What type of nucleus breaks apart during radioactivity? a. delicate b. stable c. unstable d. Fossilized 27. In radiometric dating, geologists measure the ratio between the and the in a sample of rock. a. gastroliths; coprolites b. fossils ; minerals d. half-life ; full-life 28. A nonconformity exists if: a. A fault has fractured Earth over distance of at least 300 meters b. a layer of sedimentary rock is interrupted by a canyon c. an erosional surface separated an igneous rock layer from a sedimentary rock layer d. layers of sedimentary rock are tilted then another sedimentary layer is deposited on top 29. Which of the following fossils are layered mounds of calcium carbonate left behind by cyanobacteria? a) stromatolites b) coprolites c) ammonites d) trilobites
Answers
Option C: The type of nucleus that breaks apart during radioactivity is an unstable nucleus.
Option C: Nonconformity exists if an erosional surface separated an igneous rock layer from a sedimentary rock layer.
Stomach stones were swallowed by reptiles and acted as a form of mechanical digestion, helping to break down tough plant material or facilitate the digestion process. Radioactivity occurs when the nucleus of an atom is unstable and undergoes decay, emitting radiation in the process.
A nonconformity exists when an erosional surface separates an igneous rock layer from a sedimentary rock layer. It represents a time gap in the geological record where erosion removed rock layers before new sediments were deposited, resulting in the unconformity.
Stromatolites are the structures that are formed by the trapping and binding of sediment by microbial communities, primarily cyanobacteria. Stromatolites are some of the oldest known fossils and provide valuable insights into early life on Earth.
To know more about sedimentary rocks, refer:
https://brainly.com/question/18733610
#SPJ4
Describe the general flow of nutriens and waste between the cell and its environment.
Answers
The general flow of nutrients and waste between the cell and its environment is regulated through a semi-permeable membrane that surrounds the cell. The plasma membrane, which is responsible for the exchange of materials, separates the cell from its environment. The cell requires nutrients for growth, maintenance, and repair, and it releases waste products as a result of metabolic activity.
The cell membrane is made up of a phospholipid bilayer, with hydrophilic heads facing the water and hydrophobic tails facing each other. This bilayer is selectively permeable, meaning that it regulates what goes in and out of the cell. Small and nonpolar molecules, such as oxygen, carbon dioxide, and lipids, can pass through the membrane without the need for a protein carrier.
However, larger or polar molecules, such as glucose and amino acids, require protein channels, pumps, or transporters to cross the membrane. These channels and transporters can be passive, such as ion channels that allow for the diffusion of ions down their concentration gradient, or active, such as the sodium-potassium pump that pumps sodium out of the cell and potassium in.
The movement of materials across the cell membrane is affected by a variety of factors, including concentration gradients, electrical charges, and pressure differences. For example, molecules will tend to move from areas of high concentration to areas of low concentration, which is known as diffusion.
Similarly, osmosis is the movement of water from an area of low solute concentration to an area of high solute concentration, through a semi-permeable membrane. Active transport is another mechanism used to move substances against their concentration gradient, requiring the input of energy in the form of ATP.
Overall, the flow of nutrients and waste between the cell and its environment is a complex and regulated process that allows the cell to maintain its internal environment and function properly.
Learn more about semi-permeable membrane
https://brainly.com/question/32833632
#SPJ11
most microbiology lessons require an average time of _____ to complete.
Answers
In general, the average time required to complete a microbiology lesson depends on the complexity of the topic, the teaching method, and the pace at which the student learns. However, it is common for a standard microbiology lesson to take around 60 to 90 minutes.
This time frame allows for a balance between the thorough explanation of concepts, practical demonstrations, and engaging in interactive discussions. Keep in mind that this is just an average estimate, and the actual time needed may vary for different individuals and educational settings.
The time required to complete a microbiology lesson can vary depending on the level of depth and complexity of the topic being covered. However, on average, a microbiology lesson may take anywhere from 1-2 hours to several days or even weeks to fully understand and master the concepts. It is important to note that the amount of time required also depends on the student's prior knowledge and familiarity with the subject matter.
For those new to microbiology, more time may be needed to fully comprehend the information, while those with a background in the field may be able to complete the lesson more quickly. Ultimately, the amount of time required to complete a microbiology lesson should be determined by the student's individual needs and pace of learning.
Learn more about microbiology here:
https://brainly.com/question/10200364
#SPJ11
In hominin evolution, the usual temporal sequence is, in general ______.
Answers
These hominins emerged around 1.9 million years ago and had a widespread distribution.
Which hominin species exhibited a mix of ape-like and human-like characteristics?In hominin evolution, the usual temporal sequence is, in general, as follows:
Ardipithecus: These early hominins appeared around 4.4 million years ago in Africa. They were bipedal but still retained some primitive ape-like features.Australopithecus: The Australopithecus genus emerged around 4 to 2 million years ago. These hominins showed significant adaptations to bipedalism and exhibited a mix of ape-like and human-like characteristics.Paranthropus: Around 2.7 to 1.2 million years ago, Paranthropus hominins coexisted with early Homo species. Paranthropus species had robust cranial features and specialized dentition, indicating adaptations to a vegetarian diet.Homo habilis: This early Homo species appeared approximately 2.4 to 1.4 million years ago. Homo habilis is known for its increased brain size and the use of stone tools.Homo erectus: These hominins emerged around 1.9 million years ago and had a widespread distribution. They were the first hominins to leave Africa and colonize other parts of the world.Homo heidelbergensis: This hominin species appeared around 700,000 to 300,000 years ago and exhibited advanced tool-making abilities.Homo neanderthalensis: Neanderthals existed from approximately 400,000 to 40,000 years ago in Europe and parts of Asia. They had a robust physique and made complex tools.Homo sapiens: Modern humans, Homo sapiens, emerged around 300,000 to 200,000 years ago and are the only surviving species of hominins. They possess sophisticated culture, language, and advanced cognitive abilities.It's important to note that the evolutionary sequence may not be strictly linear, and there were likely overlapping periods and regional variations in hominin evolution.
Learn more about hominins
brainly.com/question/32198556
#SPJ11
hii pls help i’ll give brainliest if you give a correct answer
Answers
Answer:
East to West
Explanation:
2- Describe the relationship between ants and endangered butterflies?
Answers
Answer and Explanation:
Butterflies, Maculinea alcon, can cheat on ants. They manage to get ants to breed their larvae, even better than their own. This capability involves a process of coevolution between both insects.
After copula, the M. alcon butterfly lays its eggs on a plant. From 4 to 10 days later, the eggs hatch, and many small caterpillars emerge from them and they start feeding on the plant´s tissues. Two or three weeks later, these larvae go to the ground at night. During this time, ants are more active, and there are more probabilities for the caterpillar to be found. This is part of the butterfly survival strategy. When the ants find the caterpillar, this last one secretes an external chemical cover, that is very similar to the ants´ one. Also, they can secrete a sweet substance that attracts ants.
When ants touch the caterpillar body with their antenna, they perceive this chemical and recognize the individual as one of them.
They take the larva to their nest where they raise it for approximately 10 months. In the nest, butterfly larvae feed on ants larvae.
When the caterpillar becomes a butterfly, it breaks its rigid cuticle to emerge. When ants find this new strange individual in their nets, they attack it, so the butterfly needs to leave the nest. Once they can fly, they mate and the reproductive cycle starts all over again.
Maculinea alcon is a highly damaging species, that might easily become invasive when they are introduced in new areas.
They are considered to be endangered because their natural environment is almost destroyed.
This process is considered to be coevolution because the strategy of this amazing species is to copy the ants´ chemical profile, while these last ones adapt to them and feed on the secreted sweet substance.
Answer:
Explanation:
The connection between endangered butterflies and ants is a kind of mutualistic beneficial interaction.
For this situation, we can utilize the case of Maculinea types of butterflies as an endangered butterfly and the Myrmica ants which have a comparable relationship that is depicted in the inquiry.
The Maculinea species has complex natural cycles. In the principal stage, the hatchlings is feed inside blossoms of a decided specie of plants. When it develops enough, it will drop to the ground and this is the time were ants has a hero job.
The Maculinea can interface with ants settlements by two fundamental components. One is the concoction flags that produce, making it "all the more part" of the ant's colony. The subsequent sign is the acoustic sign which is like the acoustic sign of the queen ant of the colony.
Recall that ants safeguards their colony and fills in as a hindrance for predators. So one of the primary reasons why the hatchlings developed so as to communicate with ants is the security against predators. On account of this, the hatchlings goes about as a parasite in the colony, where it eat the ant's brood.
O funny. what does perked mean when discribing someone O dull interesting O wise,
Answers
Answer:
O interesting
Explanation:
Perked means interesting when describing someone.
Calculate the period of Mars if it is 1.45 AU from the sun.
Answers
The period of Mars if it is 1.45 AU from the Sun is mathematically given as
P=1.75
What is the period of Mars?Generally, the equation for the Keplers 3rd law is mathematically given as
p^2=a^2
Therefore
p^2=(1.45^3)
p^2=3.05
P=1.75
In conclusion, the period of Mars from the sun is
P=1.75
Read more about Time
https://brainly.com/question/4931057
#SPJ1
How are the lydias ice and lyric cycles different
Answers
Answer:
The lytic cycle involves the reproduction of viruses using a host cell to manufacture more viruses; the viruses then burst out of the cell. The lysogenic cycle involves the incorporation of the viral genome into the host cell genome, infecting it from within.
Explanation:
2. an animal cell placed in a(n) blank solution will gain water, swell, and possibly burst.target 2 of 6 3. there is a net diffusion of water out of an animal cell when it is placed in a(n) blank solution.target 3 of 6 4. the ideal osmotic environment for a plant cell is a(n) blank environment.target 4 of 6 5. a plant cell placed in a(n) blank solution will lose water and plasmolyze.target 5 of 6 6. a plant cell surrounded by a(n) blank solution will be flaccid (limp).target 6 of 6 request answer
Answers
An animal cell placed in a hypotonic blank solution will gain water swell and possibly burst.
There is a net diffusion of water out of an animal cell when it is placed in a hypertonic blank solution.
The ideal osmotic environment for a plant cell is hypotonic a blank environment.
An isotonic environment is the ideal osmotic environment for animal cells. Animal cells have the same concentration as the cytosol. The penetration rate is the same on both the inside and outside sides. There is no increase or decrease in water or solvent concentration.
Plant cells are bloated and generally healthiest in a hypotonic environment where water uptake is ultimately balanced by walls that are pressed against the cell. This is considered normal. When a plant cell is surrounded by a solution containing a higher concentration of water molecules than the solution inside the cell water enters the cell by osmosis and the plant cell swells.
Learn more about An animal cell here:- https://brainly.com/question/470769
#SPJ4
Consider the following scenario - You’ve read about how air pollution can result in acid rain and now you’re wondering how it may affect the plants in your garden. Hypothesis: Independent Variable: _____
Dependent Variable: _____
Constants: _____
Control Group: _____
Experimental Group: _____
Answers
In an experiment about how air pollution can result in acid rain and now you’re wondering how it may affect the plants in your garden the hypothesis is that air pollution affects plant life, Independent Variable is the amount of acid rain, the dependent variable is the rate of plant growth, constants are temperature and humidity, the control group is the growth of another species (e.g. an insect species) and the experimental group are the plant species in the garden.
What is the dependent variable?The dependent variable in an experiment is one that is modified by the independent variable which is the cause of its change, while constant conditions stay the same and the target group is the experimental group.
Therefore, with this data, we can see that the dependent variable and independent variable are mutually related and do not affect the constant conditions.
Learn more about the dependent variable here:
https://brainly.com/question/1670595
#SPJ1
what is a constant.here what it is
Answers
PLZ HELP 40PTSThe table below shows the mass of some horse fossils.
Horse Fossil Record
Horse Fossil Mass (kg)
A 80
B 270
C 150
D 50
Ancient horses had less mass than present-day horses. The mass of the present-day horse is about 500 kilograms. What is the correct order of evolution of the horse starting from the youngest fossil?
1. A C D B
2.B D C A
3. D A C B
4. B C A D
Answers
Answer:
D and 4
Explanation:
Answer:
Its D and the last one is 4
Explanation:
What is bay bottom chert?
Answers
Answer:
A peloidal packstone with large areas of chalcedenous void filling. Sometimes chalcedony is clear and translucent giving the chert a clotted or splotchy appearance. Occasional fossils including Peneropolids and Sorites. Vuggy, grainstone or packstone fabric.
Explanation:
;p your welcome, aha.
In hamsters, the gene for black hair (B) is dominant over the gene for cream colored hair (b). Also, long fur (s) is recessive to short fur (S). Two parents are heterozygous for both the hair gene and the fur gene. What are the gametes for either parent?
A.BS, Bs, bS, bs
B.Bb, Ss
C.BS, bs
D.B, b, S, s
Answers
Answer:
its mostlikely C.
Explanation:
Which two cycles are linked by the production and utilization of carbon dioxide? Where do these cycles occur?
Answers
Answer: The Calvin Cycle in Photosynthesis and The Krebs Cycle in Cellular Respiration. The Calvin Cycle occurs in chloroplasts and The Krebs Cycle occurs in the Mitochondria.
Explanation:
The two cycles that are associated by the utilization and production of carbon dioxide are cellular respiration and photosynthesis. These two processes takes place in the mitochondria and chloroplasts.
What is photosynthesis and cellular respiration?The process by which green plants and some of the organisms utilize light from the sun to produce foods from water and carbon dioxide is known as photosynthesis. The process generally takes place in the chloroplasts of the cell. In the process, energy is captured and oxygen is released.
The set of metabolic reactions and procedures, which occur in the cells of organisms to transform chemical energy from the molecules of oxygen or nutrients into ATP, and then discharge waste products like water and carbon dioxide. The process takes place within the mitochondria.
Thus, in cellular respiration production of carbon dioxide takes place, while in the process of photosynthesis carbon dioxide is used to produce food.
Find out more information about the association between the cellular respiration and photosynthesis here:
https://brainly.com/question/902771
suppose that, on another planet, life had evolved with double‑stranded dna containing four pairs of complementary bases; for example, aâ€"t, gâ€"c, uâ€"v, and wâ€"x, instead of earthly dna with only two pairs, aâ€"t and gâ€"c. compared with shotgun sequencing of earthly dna with two base pairs, would genome assembly be easier or harder on this other planet where dna contains four base pairs? why?
Answers
On the other planet where DNA contains four base pairs (a-t, g-c, u-v, and w-x), genome assembly would likely be harder compared to shotgun sequencing of earthly DNA with two base pairs (a-t and g-c).
This is because with four base pairs, there would be a larger number of possible combinations and sequences, making it more challenging to accurately assemble the genome. Additionally, the presence of two additional base pairs would require the development of new sequencing technologies and bioinformatics tools specific to this type of DNA structure.
In most organisms, including humans, the genome is composed of DNA (deoxyribonucleic acid), which is a double-stranded molecule made up of four nucleotide bases: adenine (A), thymine (T), cytosine (C), and guanine (G). The sequence of these nucleotides forms the genetic code, which provides the instructions for building and maintaining an organism.
Genomes vary in size and complexity among different organisms. For example, the human genome consists of approximately 3 billion base pairs and contains around 20,000 to 25,000 protein-coding genes. In contrast, simpler organisms like bacteria may have smaller genomes consisting of a few million base pairs and a smaller number of genes.
Learn more about genome
https://brainly.com/question/29598514
#SPJ11
what is cell ??
ASAP. please
Answers
The cell is the basic structural, functional, and biological unit of all known living organisms. A cell is the smallest unit of life. Cells are often called the "building blocks of life". Unicellular organisms are those that have only one cell, i.e. single-celled. Examples are prokaryotes and protists. Multicellular organisms are those possessing more than one cell. Examples are plants and animals.
During fertilization gametes join to form a diploid cell known as a ________
Answers
Answer:
zygotes
Explanation:
Human fertilization and development
Fertilization is the process in which haploid gametes fuse to form a diploid cell called a zygote. To ensure that each zygote has the correct number of chromosomes, only one sperm can fuse with one egg.
In both meiosis and mitosis of eukaryotic cells, the nuclear dna is separated appropriately so that new cells end up with the correct number and type of chromosomes; however some of the dna in the cell is randomly assorted into the newly formed cells. This type of dna would most likely belong to which organelles?.
Answers
The nuclear DNA is correctly divided during cellular division but the DNA found in the mitochondrial and chloroplasts is distributed randomly among the newly created cells.
The process of creating clones from the mother cell is known as cell division. Meiosis and mitosis are two of the primary kinds of cell division. Meiosis is the mitotic cell reproduction that only happens in germline cells, whereas mitosis is the function reproduction that happens in all kinds of cells. Following the nuclear division of a cell (karyokinesis), the cytoplasm divides (cytokinesis). In karyokinesis, part of the DNA is randomly inserted into the newly produced cells while the nuclear DNA splits properly into the two daughters cells. Chloroplasts and mitochondria both contain this DNA. The DNA of mitochondria and plastids resembles that of prokaryotic cells. These organelles are referred regarded as semi-autonomous organelles since they contain their own DNA.
Learn more about DNA
https://brainly.com/question/264225
#SPJ4
Answer: mitochondria and chloroplasts! I just answered this one hope it helps... :)
Explanation:
What might happen if the nerves in your skin did not gather information?
Answers
Answer:
Explanation: If your nerves in your skin don't gather information then you couldn't feel anything or comprehend what you're touching. So its basically like having CIPA which does not allow you to feel pain as pain receptors are also nerves.
A shift in the phenotype of individual prey, induced by the presence and activity of a predator, is termed __________.
Answers
A shift in the phenotype of individual prey, induced by the presence and activity of a predator, is termed predator-induced phenotype.
What is predator-induced phenotype and how does it benefit prey?Predator-induced phenotype is a phenomenon in which individual prey organisms exhibit changes in their physical or behavioral characteristics in response to the presence and activity of a predator. This type of phenotypic plasticity can have important ecological implications, as it allows prey to adjust their morphology, physiology, or behavior to reduce their risk of predation.
For example, prey may develop larger or tougher shells, become more cryptic or elusive, or alter their foraging or reproductive behaviors. These changes may be adaptive in that they can enhance the survival and reproductive success of prey in predator-rich environments.
Learn more about Predator-induced phenotype
brainly.com/question/29343961
#SPJ11