In a hypothetical population's gene pool, an autosomal gene, which had previously been fixed, undergoes a mutation that introduces a new allele, one inherited according to incomplete dominance. Natural selection then causes stabilizing selection at this locus. Consequently, what should happen over the course of many generations
Answer and Explanation:
Due to technical problems, you will find the answer and the complete explanation in the attached files.
how can you tell if a memory is false or inaccurate
Intelligence tests are a good indicator of success in schools.
A. True
B. False
Answer:
according to me it is true
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Malik is trying to identify two mystery substances. Which properties will best help him identify the substances?
A.
physical properties
B.
chemical properties
C.
both
D.
neither
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Read the article about Atlantic killifish
Answer the question in 5-10
Complete sentences
-What types of toxins were found in the waters of the Lower Passaic Superfund site?
-How were some fish able to survive PCB levels thousands of times higher than sensitive fish can withstand?
-What is the advantage of a large population for rapid evolution?
-Do you think all species would be able to evolve adaptations to help them survive pollutants? Why or why not?
-What will likely happen to these toxin-adapted fish if the waters are eventually cleaned up?
Answer:
-What types of toxins were found in the waters of the Lower Passaic Superfund site?
DDT and agent orange were found in the waters of the Lower Passaic Superfund site.
-How were some fish able to survive PCB levels thousands of times higher than sensitive fish can withstand?
in some tolerant fish, the trigger for the changes that can be caused by PCB levels are can be turned off which allows some fish to survive levels of PCB thousands of times higher than the levels affecting sensitive fish.
-What is the advantage of a large population for rapid evolution?
The advantage of rapid evolution is that the animals can survive and not get killed off.
-Do you think all species would be able to evolve adaptations to help them survive pollutants? Why or why not?
I don't think that all fish can get speedy evolutions like the killfish did because researchers think that they got a rare mutation which helped them survive. However as researchers say, in smaller populations with less diversity the chances that a rare mutation might happen is small.
-What will likely happen to these toxin-adapted fish if the waters are eventually cleaned up?
Once the water becomes clean, a tolerant fish with the mutation won't do as well as a sensitive fish would do.
Explanation:
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Which description BEST identifies a technology or solution that will conserve energy for the future?
A)
Utilize more fossil fuel resources
B)
Increase mining of anthracite coal
o
Develop more nuclear powered reactors
D)
Decrease phantom energy use by unplugging unused appliances
Explanation:
B is the best answer
answer is NOT A
Use your knowledge of the base pairing rules to identify and transcribe this DNA code to mRNA.
DNA template strand: TAC GCC CTA ATA GAT TAG CCC ACT
mRNA sequence:
1. How is a microhabitat different from
a biome?
A. Biomes are small regions of a
habitat within one microhabitat
B. Microhabitats are small ecosystems
within a blome
C. Biomes are only found in the USA,
but microhabitats are found all
over the world
Answer:
B)
Explanation:
The diameter of an atom is 300 pm. How many times larger is an atom than the longest wavelength of a gamma ray?
A.
3
B.
10
C.
30
D.
300
Answer:c
Explanation:
What is the finial product of transcription?
A. A genes
B. An amino acid
C. An mRNA molecule
D. A stop code
Answer:
c an mRNA MOLECULE
Explanation:
I BELIEVE
Answer:
C
Explanation:
the process by which genetic information represented by a sequence of DNA nucleotides is copied into newly synthesized molecules of RNA, with the DNA serving as a template.
A farmer uses a chemical spray to kill the weeds in his garden. Some of the spray is carried by the wind into his pasture and the grass is killed. What will happen to the population of grasshoppers in the grass dies off?
Answer:
B: The Grasshopper population will decrease
Explanation:
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The Grasshopper population will decrease if population of grasshopper dies off.
What is Chemical spray?
population ecology and making predictions about population dynamics would be sufficiently challenging based only on the complicating qualities that living entities bring to the problem (variation and history), but an ecologist must also taken into consideration the particularities of a given system.
Grasshoppers cause serious economic damage to both crops and rangeland, although the greatest concern has been with respect to losses of livestock forage in the latter system (Hewitt and Onsager 1983, Joern and Gaines 1990).
What is lacking, however, is any substantive advance with regard to state and federal forecasting of rangeland grasshopper population dynamics that would allow limited resources to be acquired, allocated, and applied in an optimal manner.
Therefore, The Grasshopper population will decrease if population of grasshopper dies off.
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how does a bryophyte excrete?
Answer:
They do not excrete
Explanation:
Bryophytes have neither pollen nor flowers and rely on water to carry the male sperm to the female eggs. The spore capsules are produced after a male gamete (the sperm) has fertilized a female gamete (the egg). Hence the spores are part of the sexual reproductive cycle.
Answer:
Bryophytes excrete with the help of erect stem with spirally arranged leaf like structures and with rhizoids (hair like structures that function as roots) at the base.
Explanation:
Is the correct order in a homeostatic feedback system stimulus, receoptor, control centre, effector?
Answer:
Correct
Explanation:
Homeostatic is nothing but ability of a system or living organism to manipulate its internal environment to maintain a stable equilibrium, for example the ability of warm-blooded animals to ascertain a constant body temperature.
The Homoeostatic feedback mechanism has three basis components and they are independent to one another.
These components are receptor, effector and integrating center. The function of receptor is to sense external stimuli and send information to integrating center. The integrating center generally hypothalmus in brain sends this signal to effector for example an organ to react to the stimuli.
So, the order in a homeostatic feedback system stimulus, receoptor, control centre, effector is correct.
Each organism has its own ___________ or function in a community and is part of the _________ or web of life.
a) Habitat, niche
b) Speciality, chaos
c) Location, food chain
d) Niche, food chain
In humans cystic fibrosis is a recessive genetic disorder that causes
mucous to build up in the lungs and digestive tract. A healthy couple has
their first child and later discover that the baby has cystic fibrosis. How is
it possible that two parents without the disorder can have a child with the disorder?
URGENT PLEASE NO DOWNLOADABLE FILE
disorder? URGENT NO PDF PLEASE TO DOWNLOAD
Answer:
If the parents were both carriers.
Explanation:
Since cystic fibrosis is a recessive genetic disorder, two of the same alleles must be present in order to show, so.. for example, the genotype would be cc. The parents without the disorder must've been carriers, and their genotype would be Cc.
If you do a punnet square, Cc x Cc = 25% cc, 50% Cc, and 25% CC.
Due today. Will you help me i have a C and need to make it a B and will mark brainiliest
Watch the video above about human evolution from TedEd Talks.
Respond to the following questions in your prompt:
Describe/explain at least TWO examples of evidence that humans are still evolving (according to the video).
Describe on adaptation that you think could evolve in humans that could be beneficial (that was NOT on the video).
Answer:
The video says that Tibetan people from birth have higher oxygen saturation due to evolution.
The video says that people in Siberia and the high arctic have adapted to survive extreme cold.
I think that one evolution that could be beneficial to humans is the ability to have more tougher skin because our skin doesn't have too many layers.
Explanation:
Can I have brainliest? It would help me out, if not thanks anyways! Hope this helped and have a nice day! Hope you get an A in that class!!!!
as an environment changes some organisms have a higher fitness than others in the new environment this can lead to???
Before cellular division, the cell must duplicate its DNA so that the daughter cells will contain complete copies of the dna. Which characteristic of DNA makes it most suitable as a molecule for this role?
A. DNA is located in the nucleus
B. DNA is a large macromolecule
C. DNA is made of repeating sugar-phosphate subunits
D. DNA is made of two strands of complementary nucleotides
Answer:
D. DNA is made of two strands of complementary nucleotides
Explanation:
As rightly stated in this question, DNA replication must occur prior to cell division because each daughter cells must receive an equal and correct amount of genetic material (DNA). DNA replication is the process by which the DNA molecule duplicates to form two identical copies of itself.
This replication characteristics of DNA is achievable because "DNA is made of two strands of complementary nucleotides". The double-stranded DNA first unwinds into two single strands. After which, each single strand serves as a template for the new DNA strand. Two strands of a DNA molecule are complementary to one another.
1. Which of the following best explains how
behaviors, such as swarming and flocking, help
protect organisms?
a. Individuals in swarms or flocks act as decoys
to distract predators.
b. The movement and size of the swarm
or flock confuses predators.
c. Working together in swarms or flocks
requires less energy
d.The size of most swarms and flocks
can overtake larger predators.
PLEASE HELP ME ASAP GIVING AWAY 13 POINTS!!!
Answer:
A cacti
Explanation:
I think because a plant/producers absorbs most of the sun's energy.
which microbes is used to extract ethanol from fruit juice and sugar molasses ·
Answer: Yeast
Explanation:
Microbes are referred to as tiny living things which can found in soil, water and in the air. Microbes can also be called microorganisms. Some microbes are vital to our health while some can make us sick.
The microbe that is used to extract ethanol from fruit juice and sugar molasses is yeast. Some yeast metabolize the sugar that is contained in fruit juices and molasses.
Are Vitamins nutrients not made by living things?
Answer:
Yes,Vitamins nutritions are made by living things.
Rabies, typhus, and malaria are _____. all untreatable transmitted by animal bites diseases which have been eradicated caused by viruses
Answer:
Transmitted by Animal bites
Explanation:
Typhus= Fleas
Rabies= Any animal that is severely sick
and if bitten can kill you if not treated immediately
Malaria= Mosquitoes
Rabies, typhus, and malaria are transmitted by animal bites all untreatable transmitted by animal bites diseases which have been eradicated caused by viruses.
What is virus?
Virus is defined as infectious agent of small size and simple composition that can multiply only in living cells of animals, bacteria or plants.
Rabies is usually spread through an animal bite. Animals most likely to spread rabies include dogs, coyotes, bats, foxes, skunks, and raccoons.
Typhus fevers are a group of diseases caused by bacteria that are spread to humans by lice, fleas, and chiggers.
Malaria is an intermittent and remittent fever caused by a protozoan parasite that invades the red blood cells. The parasite is transmitted by mosquitoes in many tropical and subtropical regions.
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describe an acquired trait, and how is it related to the environment
Answer:
Explanation:
A trait that is not inherited; one resulting from the effects of the environment. See also: trait.
An acquired characteristic is a non-heritable change in a function or structure of a living organism caused after birth by disease, injury, accident, deliberate modification, variation, repeated use, disuse, misuse, or other environmental influence.
Environmental factors influence traits in plants and animals. These traits include things like weight, height, size, and color. If a child does not get proper nutrition, their height may be stunted as an adult.
What is the difference between a prokaryotic cell and a eukaryotic cell?
Answer:
Size is 0.1- 5.0 um Size is 5-100 um
Nucleus is absent Nucleus is present
Membrane-bound nucleus absent. Membrane-bound Nucleus is present.
Explanation:
here are some
Answer:
One difference is that prokaryotic has a membrane and a nucleus but on the other hand a eukaryotic cell's don't have one
Explanation:
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Choose all the answers that apply.
Neon (Ne) is located in period two and group 18 of the Periodic Table. Ne___
is a noble gas
has eight electrons in its
outermost shell
has 18 electrons
is a nonmetal
has to electron shells
Answer:
Ne is a noble gas, a nonmetal, has 8 electrons in its outermost shell, has 2 electron shells
Scientists group organisms into three domains: Archaea, Bacteria, and Eukarya. In which domain are animals classified and why?
Heat is a measure of _____________ _____________.
A)kinetic energy
B)potential energy
C)thermal energy
Answer:
C)thermal energy
Explanation:
Answer:
thermal energy
Explanation:
If the earth is like a car, then the greenhouse gases are like the what
Explanation:
The greenhouse effect works much the same way on Earth. Gases in the atmosphere, such as carbon dioxide, trap heat similar to the glass roof of a greenhouse. These heat-trapping gases are called greenhouse gases. ... At night, Earth's surface cools, releasing heat back into the air.
White-headed woodpeckers are adapted to have strong beaks that can break into tree trunks to find bugs and can also open pine cones to get at the seeds.
White-headed woodpeckers are best adapted to living in the ________
biome.
Answer:
temperate rain forest
Explanation:
i took the test on edge and got it right
Answer:
b. temperate rain forest
Explanation:
did it on edg
