Most diving birds have (relatively) long necks and shorts legs, although their necks aren't as long as say herons, storks or egrets. Take the common loon for instance. Their necks can be up to half as long as their bodies but their legs are so short and set so far back that they are very awkward on land.
The above pedigree shows
Answer:
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What is the name of this table?
Answer: Periodic table
Explanation:
Answer: Periodic table of the elements
The periodic table, also known as the periodic table of elements, is a tabular display of the chemical elements, which are arranged by atomic number, electron configuration, and recurring chemical properties. The structure of the table shows periodic trends.
what does jaws of life do
Answer:
The "Jaws of Life" is a crucial tool to fire and rescue squads to save hundreds of lives every year. ... The “Jaws of Life” is used indeterminately for pretty much any type of heavy-duty tool that acts like a pair of scissors, cutter, spreader, or ram-device aimed at slicing and dicing through most automotive metals.
Explanation:
Hair color, eye color, height are all examples of
Answer:
physical labels or identifiers
Explanation:
i think that's what you're looking for
Answer:
genetic features
Explanation:
How do changes to genes affect the traits of an organism
Changes to genes affect the traits of an organism, as genes have the capability to regulate the organism's function, and the genes can regulate the expression of proteins, which regulate the organism's phenotypic and genotypic expression.
What is the significance of the genes or the traits?Changes in the genes can affect humans in several ways, such as through genetic mutations that result in changes to the regulation of gene expression and result in the addition or loss of entire genes from the organism. Not all of the genetic mutations lead to expressiable changes, but they may change the protein sequence by changing the polypeptide sequence.
Hence, changes to genes affect the traits of an organism, as genes have the capability to regulate the organism's function, and the genes can regulate the expression of proteins, which regulate the organism's phenotypic and genotypic expression.
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An increase in the variety of species in an ecosystem will help restore
stability to the ecosystem after a hurricane. True or False *
Answer:
True
Explanation:
There will be diversity of species and this in turn leads to stability of the ecosystem.
Explanation:
It is true know you have to give brilient
How do you suppose changes in DNA lead to speciation
Answer:
The correct answer is - change in DNA is called mutation which is essential for evolution including speciation.
Explanation:
A mutation is a change in the genetic or hereditary material which is DNA. A mutation is the main reason behind the evolution of the organism or species and speciation can be led by evolution, which takes place by results in the accumulation of many small changes in DNA or genetic changes in a population over a long period of time.
Mutations that change in DNA are required for the evolution process they are the raw material of genetic variation. without changes in hereditary material, there is no speciation or evolution possible.
The nucleotide sequence of a strand of DNA TAC -CGG-AGTWhat the amino acid sequence of the resulting protein ?
The amino acid sequence would be "Met-Ala-Ser."
What is a nucleotide sequence?A nucleotide sequence is a linear arrangement of nucleotides, the building blocks of nucleic acids such as DNA and RNA. Nucleotides are composed of a nitrogenous base, a sugar molecule, and a phosphate group. There are four different nitrogenous bases in DNA: adenine (A), cytosine (C), guanine (G), and thymine (T). In RNA, thymine is replaced by uracil (U).
The specific order of these nitrogenous bases in a DNA or RNA molecule encodes genetic information, which is used by cells to carry out various functions such as protein synthesis. The nucleotide sequence determines the structure and function of a nucleic acid molecule and plays a crucial role in the processes of heredity and evolution. The study of nucleotide sequences and their function is a central part of the field of molecular biology and genomics.
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Why are antibiotics unhelpful for treating the common cold?
A. Colds are caused by bacteria.
• B. Antibiotics attack only bacteria.
• C. Antibiotics cannot treat disease.
D. Colds are caused by antibiotics.
B. Antibiotics attack only bacteria.
Identify the biotic factors in the environment
shown. Check all that apply.
Complete question:
Identify the biotic factors in the environment shown. Check all that apply.
1) people
2) grass
3) rocks in the mountains
4) nylon tent
5) wooden kayak
Answer:
1) people
2) grass
Explanation:
The ecosystem is composed of living and non-living things that interact and depend on each other. These are the biotic and abiotic factors.
Abiotic factors are physical and chemical components of the ecosystem. These are the non-living elements. Biotic factors are all the living components in the ecosystem.Biotic and abiotic factors influence the survival and reproduction of living beings. They are related and in constant interaction. If one of these components is removed, the whole ecosystem will change because its equilibrium has been altered.
Every abiotic component influence organisms and their survival and reproductive rates.
A few examples of the abiotic factors are solar light, minerals, water, air, gases, soil, and humidity.
Examples of biotic factors are plants, animals, insects, microorganisms, etc.
-------------------------------------------------------------------------------------------------------------
The biotic factors of the provided list are:
People, which is a group of individuals composed of cells -which is the basic unit of life-. They grow, reproduce and survive. Grass, as one or many species of vegetables that are also multicellular. They grow, reproduce, and survive.The abiotic factors are:
Rocks, which are non-living things composed mainly of mineralsTent, which is also a non-living thing, is artificially made by humans.In my opinion, the wooden kayak is a gray zone, meaning that it might be confusing. A kayak is an abiotic element with no life and is built by men. But it is constructed of wood. The wood originates in trees that are living beings, they are composed of cells, and they used to be alive. However, when talking about the kayak wood, we are referring to dead tissue. It is not alive anymore. Its cells are dead so, their whole system is not working. It is now composed of minerals and other elements with no life, and it has been modified and processed to build the kayak.
So my opinion is that the wooden kayak is an abiotic factor.
Which of the following is a form of ethnic segregation that persists in the
United States?
A. Immigrants are required to live together until they have become
naturalized citizens.
B. A federal law requires ethnic groups to live together until they
learn to speak English.
OC. Many American Indians still live on reservations where their tribes
had been relocated by force.
O D. Strong leaders encourage their followers to live together so that
they can control them more easily.
Answer:
C. Many American Indians still live on reservations where their tribes had been relocated by force.
Explanation:
Given that ethnic segregation has to do with the artificial separation of various people of different socio-cultural backgrounds.
Hence, the ethnic segregation that persists in the United States can be attributed to "Many American Indians still live on reservations where their tribes had been relocated by force."
Answer:
C. Many American Indians still live on reservations where their tribes
had been relocated by force.
Explanation:
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Plants release the waste ___________ during cellular respiration and ____________ during photosynthesis.
fill in the blanks
Plants release the waste carbon dioxide during cellular respiration and oxygen during photosynthesis.
Which of the following applications of genetic engineering is preventative and helps
individuals fight infection before its onset?
A)Insulin production
B)Vaccine production
C)Stem cell therapy
D)Gene therapy
Roots do all of the following, except ______.
A. absorb water
B. anchor plants in the ground
C. photosynthesis
Answer:
C. photosynthesis
Explanation:
The main function of roots is to transport water and nutrients to the plant, photosynthesis happens in the chloroplast.
Which of these types of muscles are striated? Check all of the boxes that apply.
1) skeletal muscles
2) cardiac muscles
3) smooth muscles
Answer:
Muscle Types: Cardiac and skeletal muscle are both striated in appearance, while smooth muscle is not. Both cardiac and smooth muscle are involuntary while skeletal muscle is voluntary.
Answer: skeletal muscles & cardiac muscles
Explanation: Skeletal and cardiac muscles are striated. Smooth muscles are not.
Which is not a property of an acid?
A)
tastes sour
(B) has a high pH
(C)reacts with metals
D contains the element hydrogen
5) Describe crossing-over. When does crossing-over occur? What is the result?
Answer:
Crossing over occurs between prophase I and metaphase I and is the process where two homologous non-sister chromatids pair up with each other and exchange different segments of genetic material to form two recombinant chromosome sister chromatids.
Explanation:
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List 2 organelles found in an animal cell and explain how those 2 organelles benefit the cell.
Answer:
I chose nucleus and the mitochondria
Explanation:
The nucleus is particularly important among eukaryotic organelles because it is the location of a cell's DNA. Two other critical organelles are mitochondria and chloroplasts, which play important roles in energy conversion and are thought to have their evolutionary origins as simple single-celled organisms.
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Cell includes a cell membrane, cytoplasm and cell organelles. Cell organelles are mitochondria, golgi bodies, nucleus, ribosomes, vacuoles, lysosomes, centrioles, etc.
What are cell organelles?Cell organelles are the structures present in cell that are responsible to carry out necessary processes and maintains homeostasis.
This can include nucleus, mitochondria, golgi bodies, ribosomes, etc.
Nucleus: Nucleus is a membrane bound cell organelle that contain an entangled thread like structure called as chromatin material. This chromatin material condenses at the time of cell division and forms chromosomes. Nucleus also contain nucleolus that helps in formation of ribosomal units. it contains a fluid called as nucleoplasm.Ribosome is the organelle that is involved in formation of protein. It has two subunits i.e. a smaller one and a bigger one. these subunits are joined at the time of protein synthesis and are formed in nucleolus of nucleus.
Thus, these were explanation of two cell organelles along with their explanation.
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6. Which of the following is true during telophase?
a. The nuclear membrane has disappeared.
b. The cell membrane begins to form cleavage furrow at the center.
C. Two new cells are formed with the same number of chromosomes as the parent cell.
d. The centromere of each chromosome divides and pulls them by the spindle fibers toward
the end of the cell.
Explanation:
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This is currently assigned to you. Try some challenge questions to turn in this assignment
= Steroid
Hormone
Diffusion: Getting Stuff into your
Cells!
= H20 = glucose
Key
= Na
Extracellular Space
Several types of molecules are sitting outside your cell. Only some
of them can diffuse into your cell without help.
• Use the red or orange points to drag each substance through
the cell membrane to find out which ones can and can't enter
• What is unique about the molecules that can enter the cell?
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CHALLENGE ME
Intracellular Space
Learn More
Answer:
What is the name of this website
or the book?
Compare marshes, swamps, and bogs.
Answer:
Marshes: Have extremely good ability to support grasses, reeds, flowers, and insects due to their high nutrient soil. They usually are around lakes/rivers/and other bodies of water. They are frequently covered in water however not always covered in water.
Swamps: Have extremely good ability to support wood like plants, trees. They are also permanently covered/submerged in water all year around.
Bogs: Basically they are a gravesite of a dead plant life. When a lake fails to support itself it turns into a bog, its plant life dies off and will start rising to the top creating almost a film. However even though the plant life dies the insects, reptiles, and Amphibians thrive.
Explanation:
Hope this helps!
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Answer:The first is A. the 3rd one is B.
Explanation:
Cardiac output is the amount of blood pumped by the heart in one minute. Which of these will increase cardiac output?
Answer: the factors that increase cardiac output include:
--> Nervous stimulation and
--> Hypertrophy of the heart.
Explanation:
Cardiac output can be defined as the quantity of blood pumped into the aorta each minute by the heart. This is also the quantity of blood that flows through the circulation. There are factors that can cause increased cardiac output or that can lead to a hypereffective heart. They are:
--> NERVOUS STIMULATION: The combination of sympathetic stimulation and parasympathetic inhibition does two things to increase the pumping effectiveness or cardiac output of the heart. These include:
• it greatly increase the heart rate from the normal level of 72 beats/mum up to 180 to 200 beats /mom.
• it increases the strength of heart contraction, which is called increased contractility to twice it's normal strength.
--> HYPERTROPHY OF THE HEART: A long term increased workload, but not so much excess load that it damages the heart, causes the heart muscle to increase in mass and contractile strength in the same way that heavy exercise causes skeletal muscles to hypertrophy. This effect of increased muscle mass of the heart, allows the heart to pump much greater than usual amounts of cardiac output.
Look at the speedometer at the top. What do you notice about the speed when the skater goes from a height of 6m down to 0m and back up to 6m?
Answer:
First increases then decreases.
Explanation:
The speed of skater tends to increases when it moves from high elevation of 6 m to the low height area due to sloppy region while on the other hand, when the skater moves again from 0 m or from the ground level to 6 m height its speed decreases when reaches to the highest point. First the speed of the skater increases due to moving in the direction of gravity while on other hand, the speed of the skater decreases due to movement of skater against the gravity of earth.
3. Are vaccines available to prevent HIV and cancers?
(3)
Answer each with a T for true of a F for false
Some evidence on the safety of vaccines.
Answer:
The safety and effectiveness of vaccines are under constant study. Because vaccines are designed to be given routinely during well-child care visits, they must be extraordinarily safe. Safety testing begins as soon as a new vaccine is contemplated, continues until it is licensed, and is monitored indefinitely after licensure.
Explanation:
Answer:
well
Explanation:
Before a vaccine is ever recommended for use, it’s tested in labs. This process can take several years. FDA uses the information from these tests to decide whether to test the vaccine with people.
During a clinical trial, a vaccine is tested on people who volunteer to get vaccinated. Clinical trials usually start with 20 to 100 volunteers, but eventually include thousands of volunteers. These tests can take several years and answer important questions like:
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during an experiment scientists study a portion of a gene found in the white mouse. they determined that the following sets of codons has been translated into a series of three animo acids shown below
mRNA sequence- GCA-UUA-UCG
amino acids sequince- alanine - leucine - serine
which of the following would be the expected outcome of this same set codons were to be found in humans genes
The human cell would be unable to translate the mRNA codons.
The sequence of amino acids would be completely different in the human.
The amino acid sequence would be identical in the human cell.
The human cell would be converted into a mouse cell.
Answer:
the amino a acid sequence would be identical to human cell
becuuse the codes sequencing is simialr in all animals
do you agreed that cell is a building unit of organism yes explain why?class 9
Answer:
It can be, but not really
Explanation:
This is because cells can be the building block of an organism, e.g. humans, but they can also be their own separate organism, such as a bacteria.
