Answer: why it is hard to use dichotomous key in the lab are;
If the organisms you want to use it for are similar.
If you can't see the little characteristics posses by the organisms you are using it for.
If all the pictures does not reveal all the important features of the organisms.
It is very difficult to use it to determine the anatomical structure.
Explanation:
Dichotomous key is an important method that is use in biology to identify organisms by separating or dividing the organisms into two groups. It is a tool created by scientists to help them identify organisms or objects. Once the organisms are group into two, more information is revealed more individually.
Answer:
The person who commented before me was correct. They should get brainliest. Below is the same thing they wrote just in paragraph form.
If the organisms you want to use it for are similar. If you can't see the little characteristics posses by the organisms you are using it for. If all the pictures does not reveal all the important features of the organisms. It is very difficult to use it to determine the anatomical structure.
Use the image to answer the questions.
B
с
is a producer
is a consumer.
Why do different organisms have similar bones in the same place?
Answer:
they all share a common ancestor. (more info below)
Explanation:
Some organisms have anatomical structures that are very similar in embryological development and form, but very different in function. Such structures indicate an evolutionary relationship and a common ancestor.
hope this helped!
Planting young trees in areas where older trees have been harvested is part of
A. Clear cutting
B. Logging
C. Selective cutting
D. Sustainable forestry
Which list shows the levels of organization of an organism in hierarchical order from left to right, from the least complex to the most complex?
Express a
mass of 0.014 mg in grams
Answer:
14 mg
Explanation:
1 g = 10³ mg = 1000 mg
0.014 g * 1000 mg/1g = 14 mg
0.014mg in grams would be equal to 1.4 × 10^-5 gram.
What are unit conversions?There are a few items that we track in our daily activities, including the following:
Speed \sTemperature \sArea \sVolume \sMass
Units of measure are needed in order to measure these values. Sometimes the units of measurement employed may not correspond to the standards required for a particular process or application, as well as the measuring choice and convenience.
It's crucial to convert these units in a way that makes sense and can be used effectively. Let's use the example of someone who is only familiar with the metric system to better grasp the statement.
The person finds it difficult to determine the height of a 25-foot tree. The individual will comprehend the height of the tree better if they convert 25 feet to meters.
Therefore, the conversation of 0.014 mg in grams would be by 0.014/1000 = 1.4 × 10^-5 gram.
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A muskrat population is growing exponentially. What might cause this population to enter logistic growth?
HElP EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
If a lunar eclipse occurs tonight, the next lunar eclipse would occur?
Answer:
in 10 years
Explanation: im pretty sure
Answer:
every 2.5 years
Explanation:
suggest why the starch and enzyme solutions were kept at 35°C
Answer:
(42) is
[tex]x785[/tex]
How is the availability of resources affected by the increase in human populations in a given geographic area?
Answer:
Increase in population less resources avilable
Explanation:
Increase in population means more demand for resources hence in a certain geographic location the resources available will be limited as the population grows. Therefore the availability of resources will be affected by the incraese in population
Look at the following mutation: AUG-GUC-CCU-AAA → AUG-AGU-CCC-UAA-A. The base A was inserted following the start codon AUG. Describe how this mutation affects the encoded amino acid sequence.
Answer: Non sense mutation took place over here.
Explanation:
Mutation took place over here where, the base A was inserted in place of the start codon AUG.
This states that the last codon will code for a stop signal instead of amino acid.
This is a type of non sense mutation when the ribosome is stopped from reading a stretch of mRNA because a stop codon is present over there.
The original set of codon is replaced by the stop codon and the protein synthesis is stopped.
When there is an alteration in the genetic bases of codes that can lead to modification in the phenotype or the genotype of an organism is called a mutation.
The type of mutation that occurred in the given sequence is a non-sense mutation.
The mutation can be explained as:
The mutation changed the reading frame of the triplets from the second place after the AUG or the start codon.The last codon in the unmutated sequence AAA was for lysine (lys) but in the mutated sequence is changed to UAA (stop codon) which codes for the termination of the chain.The mutation in stop codons are called non-sense mutation and now it will signal for termination instead of coding for another amino acid.When the process of translation gets terminated and the ribosomes stop translating due to mutation then it is called a nonsense mutation.Therefore, the process will terminate due to replacement by a stop codon.
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Jezelyn needs to create a project that shows geographic isolation in action and decides to make a video. Which of the following would make the best project?
Answer:
a video that shows penguin species that have different mating dances
Explanation:
The question is incomplete as it does not have the options which are:
a video that shows a large river that has penguin populations on both sidesa video that shows penguin species that have different mating dancesa video that shows a penguin that is laying eggsa video that shows penguins in a tidal pool and an open oceanAnswer:
a video that shows penguin species that have different mating dances
The reproductive isolation is the factor which allows the species to evolve and form a new species, therefore, this factor is used to describe a species.
The reproductive isolation refers to a mechanism in which the species are isolated to not interbreed with the individual of other species. The reproductive isolation could be due to behavioural, psychological, physical or genetic differences. evolved as an adaptation.
In the given cases, the penguin species which shows different mating dances is considered to be reproductively isolated as the different dance rituals evolved as behaviour to prevent them from mating.
Thus, the selected option is correct.
A video that shows a large river that has penguin populations on both sides would make the best project. So, the correct option is A.
What is Population?A population is defined as the complete set of individuals, whether that group includes a nation or a group of people with a common characteristic which is the pool of individuals from which a statistical sample is drawn for a study. .
It is described as a unit of biological community made up of a permanent group of an interbreeding individual of a species found in a space or geographic region at a particular time. Population are of three types of population pyramids created from age-sex distributions-- expansive, constrictive and stationary.
Thus, a video that shows a large river that has penguin populations on both sides would make the best project. So, the correct option is A.
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Your question is incomplete, most probably the complete question is:
Jezelyn needs to create a project that shows geographic isolation in action and decides to make a video. Which of the following would make the best project?
a video that shows a large river that has penguin populations on both sidesa video that shows penguin species that have different mating dancesa video that shows a penguin that is laying eggsa video that shows penguins in a tidal pool and an open oceanMatch each term to its best definition
Reef
?
Area of deposition
Sand dunes
?
Continental deposit of
gravel and sand
Alluvial fan
?
Sand mounds in a desert
Sedimentary dispositional environment
?
Shoreline deposit of sediments
Beach sand
?
Calcareous skeletons from organisms build this wave-resistant structure
Answer:
Sedimentary depositional environment: Area of deposition
Alluvial fan: Continental deposit of gravel and sand
Sand dunes: Sand mounds in a desert
Beach sand: Shoreline deposit of sediment
Reef: Calcareous skeletons from organisms build this wave-resistant structure
Explanation: I finished the test, these were all right. Hope I could help ❤️
Where do the spindle fibers attach?
Explain ways that we conserve natural resources.
Answer:
Best Ways to Conserve Water at Home
Fill a bucket while showering and use it to water plants. Run the dishwasher only when full. Turn off the faucet while brushing your teeth. Create a lawn watering schedule using a watering calculator
Explanation:
mark brainliess plss!!
Angiosperms make up the plant division _________. *
A. Vascular
B. Gnetophytes
C. Anthophyta
i guess vascular
are u having test on google class room
Select the DATA tab. Select Pictograph and click the Tree to show the size of the tree population for the past several years.
Answer:
it should grow bigger over time
Explanation:
Having Freckles is dominant (F), and not having is recessive (f). A mother has Ff and a father has ff. If They have a child,which genotype will make their child not have freckles.
Answer:
50 %
Explanation:
Ff x ff
We get Ff, Ff, ff and ff
since we know not having freckles is recessive only "ff" can give us no freckles.
in this case it is 50% will not have freckles. we can do this through a punnent square. I would highly advise you to learn them as they are super easy and a basic of biology
Answer:
Explanation:
hey if any one wnts to make 250 dollars text me all u have have to do are some calss and u only answer couple questions
Neurotransmitters can be blocked which
disrupts the __ impulse from traveling
through the target neuron.
A. synthetic
B. electrical
C. somatic
D. chemical
Consider these three scientific statements
1. The inherited traits of plant, animal, and microbial populations change through time because of differential reproductive success patterns, which are influenced by the way individual organisms interact with their environment.
2. If a certain culture of bacteria is subjected to more ultraviolet radiation than another culture, Then it's reproductive success rate will be reduced.
3. In sexual reproduction, Recessive alleles are always masked by dominant alleles. in other words, the traits of a Recessive allele will not be expressed if a dominant allele is present.
These statements have a lot in common. Each statement is testable, each describes a potential realishionship between observable factors, and each deals with a different aspect of reproduction or inheritance. However, one of the statements is typical of a scientific hypothesis, one is typical of a scientific theory, and one is typical of a scientific law.
Which statement is a hypothesis, which is a theory, and which is a law? "Justify your anwsers"
Answer: 1. Scientific theory
2. Scientific hypothesis
3. Scientific law
Explanation:
The scientific theory can be defined as the aspects of the natural world that are tested and proofed by the scientific methods, involving the observations, measurements and evaluation of the outcome. The scientific theory can be changed with new ideas or evidences. The first statement is a scientific theory because the microbial population may change due to the fact that how microbes interact rather than restricting to the differential reproductive success.
The scientific hypothesis can be defined as the statement that is required to be tested or verified by scientific method. It is based on presumption. The second statement is the example of scientific hypothesis because it is beginning with "if" here it is presumed that if the culture is exposed to ultraviolet radiation then reproductive success rate will be reduced.
The scientific law is based upon facts or evidences obtain after experimental trails or applying the scientific methodology. This cannot be changed with time. The third statement is the Mendel's law of dominance.
which is considered a carbon sink
Answer:
are natural or artificial deposits
Answer:
natural carbon sinks are plants, the ocean and soil
how does a tree develop its thick bark
parts of a vacuum flask and their functions
Answer:
Inside a vacuum flask :
Screw-on stopper. Outer plastic or stainless steel case. Outer layer of glass coated with reflective material (or stainless steel in unbreakable flasks). .Inner layer of glass (or stainless steel in unbreakable flasks). One or more supports keep inner vacuum container in place.The vacuum flask was devised to preserve liquefied gases by preventing the transfer of heat from the surroundings to the liquid. The evacuated space between the walls (which are ordinarily glass or steel) is practically a nonconductor of heat; radiation is reduced to a minimum by silvering the glass or steel.
hope it helps : )
Explanation:
Inside a vacuum flask, Outer plastic or stainless steel case and Outer layer of glass coated with reflective material.
What is Vaccum flask?Inner layer of glass (or stainless steel in unbreakable flasks). One or more supports keep inner vacuum container in place. The vacuum flask was devised to preserve liquefied gases by preventing the transfer of heat from the surroundings to the liquid.
The evacuated space between the walls (which are ordinarily glass or steel) is practically a nonconductor of heat; radiation is reduced to a minimum by silvering the glass or steel.
A vacuum flask, sometimes referred to as a Dewar flask, Dewar bottle, or thermos, is an insulating storage container that considerably extends the amount of time that the contents of the flask remain hotter or colder than the surroundings.
Therefore, Inside a vacuum flask, Outer plastic or stainless steel case and Outer layer of glass coated with reflective material.
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Hospital patients often receive medications, nutrients, and water intravenously (IV), which means they are injected directly into the patient’s veins through a needle. IV fluid is not pure water, but is instead a saline solution (water containing NaCl). What do you think is the appropriate NaCl concentration for IV fluid? Why?
Answer:
The answer to the following question is given below.
Explanation:
Saline includes 9 g NaCl dissolved in 1 liter of distilled water utilized primarily for sick people with moisturization.
This NaCl concentration has been presumed to be the physiologic concentration necessary for the restoration of vitamins and minerals by the body to control a suitable osmotic balance.
NaCl is mainly used to cover up the salt missing. In order to help nerves function properly, our bodies do require sodium.
The explanation regarding appropriate NaCl concentration for IV fluid is explained below:
The following information should be considered:
Saline involved 9 g NaCl that dissolved in 1 liter of distilled water utilized primarily for sick people with moisturization. This NaCl concentration has been assumed to be the physiologic concentration significant for the restoration of vitamins and minerals via the body to control a suitable osmotic balance. NaCl is mainly used to cover up the salt missing.Learn more: https://brainly.com/question/20492533?referrer=searchResults
What causes moon phases and what is it we see from Earth?
Answer:
The phases of the Moon that we see are caused by the relative positions of the Sun, Moon and Earth. The phase of the Moon is defined by the proportion of the Moon lit up by the Sun that is visible from Earth.
Explanation:
why are data organized into tables and graphs?
what two factors does carrying capacity compare
Answer:
It compares Population Size and Time.
Explanation:
Population size is the number of individuals in an organism.
In the previous activity, you chose an animal that interested you and listed three examples of innate behavior and three examples of learned behavior for that animal. Now research what, if any, courtship and mating rituals this animal has. Explain why you think it has or doesn’t have these behaviors.
Answer:
what grade
Explanation:
Courtship and mating rituals are diverse and can vary greatly among different animal species. They are typically involved in attracting mates, establishing pair bonds, and ensuring successful reproduction.
1. Courtship and Mating Rituals Exist: Many animal species have elaborate courtship and mating rituals. These behaviors can serve various purposes, such as displaying fitness and attractiveness to potential mates, establishing territory, or demonstrating parental abilities.
2. Absence of Courtship and Mating Rituals: Some animal species may not exhibit elaborate courtship or mating rituals. This can occur in species where mating opportunities are abundant or where the reproductive process is straightforward without the need for elaborate displays.
The presence or absence of courtship and mating rituals can depend on various factors, including ecological pressures, social structure, reproductive strategies, and evolutionary history of the species. Different species have evolved different strategies to maximize their reproductive success, and these strategies can manifest as complex courtship rituals or simpler methods of attracting mates.
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What element do all organic compounds contain?
Carbon
Hydrogen
Nitogen
Oxygen
Answer:
carbon
Explanation:
carbon is a chemical element which exhibit a atomic mass of 12 and its a nonmetal
WARM-UP
Which statements are true? Check all that apply
In eukaryotes DNA is found in the cytoplasm of the cell
RNA is the nucleic acid that helps build proteins
DNA is the nucleic acid that carries genetic infomation
The structure of proteins is determined by DNA
A chromosome is made of RNA
DONE
which statements are true
Answer:
answer is 2,3,4 on edge
Explanation:
took the test
Answer:
2,3,4
Explanation:
edge 2020 warm-up
