Answer:
HOMODONT: Homodont are the animals which have similar kind of teeth.
For example: lizards, frogs, dolphins, etc.
HETERODONT: Heterodont are the animals which have different kinds of teeth.
For example: man, dog, rabbit, etc.
HELP ASAP!!!!! Snakes feed on mice. The mice eat grain crops. When the crops are plentiful, what will happen? A: the snake population will increase. B: the mouse population will decrease. C: the snake population will decrease D: the mouse population will not change
Answer:
The snake population will increase
Explanation:
The snake population will increase will increase because the mice will have more feed which will cause the mice population to increase. if the mice population increases than the snakes would have more food, so their population will also increase.
When the crop will plentiful, the snake population will increase. The correct option is A.
What is a food chain?A food chain is a chain that includes the transfer of energy from one level to another level. All animals and plants are connected to each other by the food chain.
As, the snake feed on mice, if the crops will increase the population of mice increase, and when the population of mice increases the snake population will also increase indirectly.
Thus, the correct option is A: the snake population will increase.
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What is the ecological role of the animal in#16
Answer:
Could you please add more to the question? I'd love to help you.
The ecological role of animals includes contributing to their ecosystems, maintaining their internal environments, and certain important species helping maintain ecological balance. Changes in energy or matter availability can affect their ecosystem and biodiversity levels can be maintained through measures like habitat restoration and conservation efforts.
Explanation:The ecological role of an animal can range from being key contributors to their ecosystems, like pollinators of plants, to being a part of complex food chains. They also maintain their internal environments using mechanisms like negative feedback. Certain species, which are termed as keystone species, play a critical role in maintaining ecological balance, for example, the reintroduction of wolves in Yellowstone Park led to an increase in biodiversity.
Animals also impact their surrounding environment and ecosystem. Changes in energy availability or matter in an ecosystem can result in significant effects on all organisms within the ecosystem. For instance, a decrease in available prey can reduce predator populations. To ensure the survival of multiple species and retain the biodiversity levels, measures such as habitat restoration can be taken. Efforts include the reintroduction of extinct species into their habitats and creation of conservation areas.
Lastly, humans also play a significant role in conservation and creating public awareness through institutions like zoos and through roles like ecologists who undertake various efforts to manage natural resources and develop environmentally sound policies.
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Which of the following is a way to mitigate global warming?
A. Invest in water sources that do not depend on climate.
B. Invest in alternative energy sources that do not burn fossil fuels.
C. Develop practical ways of dealing with the effects of climate change.
D. Identify crops that can be grown under different climate conditions.
I'm pretty sure the answer is B. Invest in alternative energy sources that do not burn fossil fuels. The reason I would pick B is because in Antarctica the ice is melting more and more over time because, cars and factors etc are burning fuels which result in more damage to the ozone layer.
Answer:
B
Explanation:
outline the course of digestion of the following foods in the mouth, stomach and small intestine of the human digestive system.
a. Carbohydrates
b. Proteins
c. Fats
Answer:
Absorption of food into the body takes place through a few steps:
1- Food is chewed in the mouth and broken down into smaller pieces with teeth.
2- In the mouth, an enzyme amylase secreted by salivary glands converts carbohydrates into small units such as starch.
3- When food is passed on to the stomach its consists of fats and proteins.
4- In the stomach, gastric acid breaks down the protein molecules with the help of pepsin.
5- Partially digested food reaches down to the small intestine.
6- In the small intestine, the gall bladder is present that releases bile juice and reduces the size of fat molecules into fatty acids.
Which mutation is harmful to the organism? A. a mutation allowing moths to camouflage better on blackened tree bark B. a mutation making Staphylococcus aureus resistant to the antibiotic methicillin C. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell D. a mutation causing uncontrolled cell division E. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them
Answer:
D. a mutation causing uncontrolled cell division
Explanation:
A mutation that causes uncontrolled cell division leads to cancerous growths.
This means that an organism with this mutation shall have cancer.
Cancer is a disease caused by the abnormal multiplication of cells in an organism.
This mutation is harmful since it leads to the organism becoming sick and eventually dying.
Answer:
D.) a mutation causing uncontrolled cell division
Explanation:
PLATO
what is the genotype for white chickens
Explanation: The allele for black is B and the allele for white is W. The heterozygous phenotype is known as erminette.
scissors used to cut iron sheets has longer handle than the scissor used o cut cloth. Why?
Answer:
It has a greater length to reduce the effort as more the distance between the fulcrum and point of action more is the moment of force and hence the effort applied will be less.
The metal is harder than fabric, so, with longer handles the scissors can apply more force than would be needed for soft fabric.
Cells use cellular respiration to get energy from food. In this process, oxygen is used to release the energy stored in food. This energy is then stored in a certain molecule. What is the name of this molecule?
Answer:
Respiration
Hope This Helps! Have A Nice Day!!
Answer:
It's ATP
Explanation:
ATP is a protein that stores energy, so it makes sense
What codes for proteins?
Plz help need it ASAP
_______________________
DNA
RNA
Polypeptides
Amino acids
Answer:
Kind of late but RNA codes for proteins.
Explanation:
long answer
DNA is transcribed to RNA and then mRNA (messinger RNA) with the help of ribosomes and tRNA (transfer RNA) add amino acids into a polypeptide chain (a linear line of amino acids) which then folds into a protein
A worm is living inside a cow and stealing nutrients from the cow's body, causing the cow to become malnourished. What type of symbiotic relationship is this?
A. Two or more organisms looking for the same resource
B. Adults outcompeting offspring for resources
C. Organisms from the same species looking for the same resource
D. Organisms from different species looking for the same resource
Answer:
Option B, Adults out competing offspring for resources
Explanation:
In a symbiotic relationship two species/organisms live together in a mutual relationship in which either
a) Both of the species get benefitted
b) One of the species get benefitted and the other species get harmed
c) One of the species get benefitted and the other species is neither harmed nor benefited.
In this case , the worm with in the cow's body get benefited while the cow herself gets harmed as her food is stolen.
Hence, option B is correct.
The movements of what muscles are mostly voluntary?
The skeletal movements of muscles are mostly voluntary. That is why skeletal muscle is also called voluntary muscle. Their action is normally controlled by an individual's will.
If butter has an energy density of 10 cal per gram and has a density of .9 g/cm³ what would be the amount of calories in nook cube of butter that is 5 cm x 5 cm x 20 cm
Answer:
Amount of calories in that butter is 4500cal
Explanation:
It's relatively simple:
You already have energy density(energy divided by mass)
You already have butter density (mass divided by volume)
And you have dimensions of that butter
From those dimensions (5cmx5cmx20cm) you can calculate the volume, which is 500cm³. Then, using that volume you can calculate the mass (density = mass / volume, which means that mass = density * volume) and that is 450g. Now that you have the mass, you can calculate the amount of calories in that butter (energy density = energy/mass, which means that energy = mass * energy density) and that is 4500cal.
Why are architects and engineers concerned about surface waves
Answer:
Because they are the most destruction waves
Explanation:
Surface waves travel just below the earth’s surface. Examples of surface waves are Rayleighs and Long waves. Rayleighs cause ripples on the ground while long waves move the ground horizontally perpendicular to the direction of travel of the wave. Therefore, these waves are capable of destroying the foundations of structures and hence causing their collapse. Studying these waves allow these professionals to design foundations strong enough to withstand these waves.
Architects and engineers focus on surface waves due to their resonating effects that can cause building collapse during earthquakes, with the risk heightened by factors such as building height and roof design.
Explanation:Architects and engineers are highly concerned about surface waves because these waves carry significant energy which can resonate with structures, leading to potential collapse during events like earthquakes. Resonance occurs when the driving frequency of surface waves matches the natural frequency of a building, leading to a large increase in vibration and possibly causing the structure to fail, especially if the building's height matches the condition for establishing a standing wave.
Furthermore, because surface waves can also experience constructive interference due to reflections off denser subsurface materials, the resulting amplification of wave energy at certain points can lead to disproportionate damage, sometimes further away from the earthquake's epicenter. Additionally, large surface areas of roofs, like those of gyms or supermarkets, are susceptible to collapse as they may resonate at the frequencies of the earthquakes. Therefore, understanding wave mechanics is crucial in designing buildings that can withstand the destructive power of surface waves.
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Which of the following is not true of viruses
I don’t know what the options are, but remember viruses are:
-nonliving (they cannot reproduce without a host)
-surrounded by a protein coat
-composed of DNA or RNA
-able to live for years
-unable to thrive outside of the host cell
-classified into 4 structural classes (helical symmetry, isometric symmetry, enveloped, bacteriophage)
Match each energy source with the correct description
1. creates radioactive waste
wood
2. uses the kinetic energy of water
oil
3. spills can destroy aquatic ecosystems
hydroelectric power
4. burning releases carbon dioxide into the air
nuclear power
5. renewable resource that can be burned
coal
wood- renewable resource that can be burned
oil- spills can destroy aquatic ecosystems
hydroelectric power- uses the kinetic energy of water
nuclear power- creates radioactive waste
coal- burning releases CO2 into the air
Answer:
wood- a renewable resource that can be burned
oil- spills can destroy aquatic ecosystems
hydroelectric power- uses the kinetic energy of water
nuclear power- creates radioactive waste
coal- burning releases CO2 into the air
Explanation:
Diffusion of water across a membrane from areas of higher concentration to areas of lower concentration is called _____. osmosis passive diffusion facilitated diffusion cellular respiration
Osmosis is the process of diffusing water across a membrane.
The correct answer is Osmosis.
Diffusion of water across a membrane from areas of higher concentration to areas of lower concentration is called osmosis.
Hope this helps chu
Have a great day
A mutation occurs at the midpoint of a gene, altering all amino acids encoded after the point of mutation. Which mutation could have produced this change? deletion of two nucleotides insertion of twelve nucleotides insertion of six nucleotides deletion of three nucleotides
Answer:
Deletion of two nucleotides.
Explanation:
Every amino acid coded by 3 nucleotides.
12:3=4 (amino acids)
6:3=2 (2 amino acids)
3:3=1 (1 amino acid)
After all of these mutations sequence amino acids change, but after continues stay the same.
Only deletion of 2 nucleotides will completely altered all amino acids encoded without mutation.
A frameshift mutation, altering all subsequent amino acids, can be caused by the deletion of two nucleotides or the insertion of a number of nucleotides not divisible by three.
Explanation:In the context of DNA sequencing, a mutation that changes all amino acids following the point of mutation is characterized as a frameshift mutation. This type of mutation is caused by the insertion or deletion of nucleotides in a DNA sequence that is not divisible by three. The options which could cause a frameshift mutation are either a deletion of two nucleotides or an insertion of a number of nucleotides not divisible by three (for instance, an insertion of six nucleotides would not cause a frameshift mutation as it's divisible by three, but an insertion of twelve nucleotides also wouldn't cause a frameshift mutation for the same reason). Thus, the correct answer would be a deletion of two nucleotides.
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What is the purpose of using multiple control groups in an experiment
Answer:
The independent variable is "controlled" or held constant in the control group. A single experiment may include multiple experimental groups, which may all be compared against the control group. The purpose of having a control is to rule out other factors which may influence the results of an experiment.
Explanation:
Answer:
Explanation:
A control group is a standard group which is used for the purpose of the experiment. It does not receive any manual treatment by the experimenter. Instead it is kept as a standard for comparison of the other variables.
The multiple control groups are used in the experiment so as to increase the accuracy, consistency and reliability of the results. As if one control group contains contaminants it may produce errors in the experiment. To avoid error and enhance error and increase accuracy multiple control groups are used.
When dead animals decompose which of the following is released into the atmosphere
the awnser is carbon dioxide.
Answer:
◎ oxygen
◎ calcium
◎ carbon tetrachloride
◉ carbon dioxide
Explanation:
Once animals die, they release carbon compounds into the atmosphere and into the ground as they decompose.
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PLEASE HELP KE THIS IS DUE BY TOMMOROW‼️‼️
Answer:
Number 1 is warm and moist
Explanation:
help pls
What type of cells are gametes?
Answer:
Egg Cells and Sperm Cells
Explanation:
Gametes are sex cells.
In an eight–cell embryo of an organism, the cells of the upper tier are aligned directly over the cells of the lower tier. Which organism is it likely to be?
Scientists believe ___ were the first types of cells able to make their own food.
a. cyanobacteria
b. chemoautotrophs
c. photoautotrophs
B. Chemoautotrophs is the answer
Answer: a. cyanobacteria
Explanation:
Cynobacteria is considered to be the first organism on earth which was capable of producing it's own food by the process of photosynthesis. The cynobacterial strain used to exists on earth around 3.5 billion years ago. These were the first unicellular prokaryotic organisms. They had a large number of colonies. These were responsible for the liberation of large amount of oxygen in the oxygen deficient primitive earth atmosphere.
The allele for nontasters is recessive. In which population is the frequency of the recessive allele highest
Is there more information
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Which of the following is a principle of natural selection
Most organisms are infertile or produce nonviable offspring.
Members of a species are genetically identical.
Variations are acquired during an individual's lifetime and so are not passed to offspring.
Helpful variations allow individuals to survive and reproduce better than members who lack these variations.
Answer:
Helpful variations allow individuals to survive and reproduce better than members who lack these variations.
The answer: would be the last one, which means survival of the fittest
20 POINTS AVAILABLE
Identify the structures of the heart.
Label A
Label B
Label C
Label D
Label E
Label F
Answer: A. PULMONARY VALUE
B. TRICUSPID VALUE
C. SEPTUM
D. BICUSPID VALUE
E. AORTIC VALUE
F. AORTA
Explanation:
Heart is the organ responsible for pumping blood throughout the body. Label A is pulmonary valve, Label B is tricuspid valve, Label C is septum, Label D is bicuspid valve, Label E is aortic valve and Label F is aorta.
What are valves in heart?Valves regulate the flow of blood coming from and to the heart. There are four valves in heart. These are as follows:
Pulmonary valve: present between right atrium and right ventricle.Tricuspid valve: present between right ventricle and pulmonary artery.Bicuspid valve: present between left atrium and left ventricle.Aortic valve: Helps to keep the direction of blood flow correct from heart.Septum is the tissue that separates left and right ventricles while aorta is the main artery which carry blood from heart to tissues.
Thus, label A is pulmonary valve, label B is tricuspid valve, label C is septum, label D is bicuspid valve, label E is aortic valve and label F is aorta.
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if birds eat insects that feed on corn, which pyramid level would birds occupy?
Answer:
A.
Explanation:
If there are no decompsers, then B. D is mostly likely decompsers. C is most likely the plants. B, is the insect, also the primary consumer. A, should be the bird, if the decompser is included.
The birds feed on insects, thus, they will occupy the B level of the pyramid. D would represent corn and C would represent the insects that feed on corn. The A-level will be represented by a predator which feeds on birds.
What is pyramid in ecology?
An ecological pyramid is defined as the graphical representation of the relationship between the different living organisms at different trophic levels.
A lot of times, humans finished up in A level because people are the primary consumers of various animals and even vegetables.
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once equilibrium is reached in which direction will molecules in a liquid state move across the membrane
Answer:to the point where there is less space
Explanation:
Answer: Both directions
Explanation:
Please help me with this.
this is an opinion. we cant make an opinion for you. just state the pros and cons of animal testing and your overall opinion on it.
2 examples of precise, measurable evidence of how human activities are having a profound influence on the global climate in terms of greenhouse emissions and climate change
Answer:
The presence of smog in the atmosphere and exploitation and burning of coal
Explanation:
The "smog" can be observed as dark low clouds in the cities. These are formed by accumulation of gases such as: CO2, soot, smoke and dust in suspension. If the atmospheric concentration of the main gases responsible for the greenhouse effect that was maintained in 2016 is maintained, the average temperature of the Earth will have risen 1, 3 ° C in 2020 and 3 ° C in 2070.
In the process of using coal, important environmental damage occurs because when burning it releases large amounts of greenhouse gases.
The damage caused by coal combustion is much greater when poor quality fuel is used, because the impurities it contains are converted into sulfur oxides and other toxic gases.
In the production of electricity, about 5 tons per year are used, causing havoc in terms of pollution
Human activities, specifically the burning of fossil fuels, have led to increased greenhouse gas emissions, which are measured using ice cores and documented emission statistics, showing a profound influence on global climate change.
Two precise and measurable examples of human activities influencing global climate change due to greenhouse gas emissions are:
The use of ice cores as a method for tracking historical carbon dioxide levels over the past 800,000 years. Ice cores have revealed an unprecedented rise in CO₂ levels concurrent with the industrial era, indicating a direct link to human activity.The documented rise in greenhouse gas emissions from burning fossil fuels for transportation and energy generation, specifically noting an increase of CO₂ emissions in industrialized countries which have led to various climate impacts such as increased average temperatures and changes in precipitation patterns.These examples demonstrate the large-scale impact of human behavior on the climate and underscore the necessity for reducing emissions to mitigate climate change.