Answer:
A. sepals
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Answer: A. Sepals: These are the small, leaf-like parts growing at the base of the petals. They form the outermost whorl of the flower. Collectively, sepals are known as the calyx. The main function of the calyx and its sepals is to protect the flower before it blossoms(in the bud stage).
Explanation: When a flower is a bud, it is surrounded by sepals, which in many cases are green, as in this example. They protect the flower bud and are behind/underneath the petals when the flower opens. Together, all of the sepals are called a calyx.
What are some of the effects of soil loss?
Answer:
The effects of soil erosion go beyond the loss of fertile land. It has led to increased pollution and sedimentation in streams and rivers, clogging these waterways and causing declines in fish and other species. And degraded lands are also often less able to hold onto water, which can worsen flooding.
Explanation:
Answer:
The effects of soil erosion go beyond the loss of fertile land. It has led to increased pollution and sedimentation in streams and rivers, clogging these waterways and causing declines in fish and other species. And degraded lands are also often less able to hold onto water, which can worsen flooding.
Explanation:
sorry if it is wrong , but hope it is! :)
Which of the following statements is true regarding salt water
Answer:
if you out the statements, I will still answer them, but as you gave no statements, I cannot answer this question.
Which is NOT a part of the nervous system?
Question 2 options:
Heart
Brain
Eyes
Dendrites
Answer:
Heart
Explanation:
Verified correct with test results.
To live in a hot desert environment organisms have to be adapted to
Desert animals must adjust to the extreme heat, lack of water, and harsh conditions.
What is adaptation?The process of adapting involves modifying something or your behavior to suit a new environment or purpose. The majority of living things can adapt when forced to.
Desert animals have to adapt to the intense heat, scarcity of water, and challenging environment.
The evenings, when it is cooler, are the only times of day where many desert creatures are active. To escape the severe conditions during the day, some animals burrow.
In deserts, animals live underground or take refuge in burrows during the sweltering summer months.
Some organisms do not require much, if any, water consumption because they obtain the moisture they require from their diet. Others occupy the desert's periphery, where there are more plants and places to hide.
Thus, this way, the organism adapt the extreme environment of desert.
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if you were to design an organism, what 3 organ systems would be the most important to include?
Question 1:
Gases are brought into and out of a plant through its___
options:
1. root’s
3. leaves
_________________________________________
Question 2:
Animals that contain many cells are called____
options:
1. bacteria
2. Multicellular
3. Unicellular
(hi if u want brainlist's answer this question then ask another random question on your page so u can give me brainlist back, also i need to people to answer so i can chose one of you guys to give the brainlist's to, deal or no?)
Answer:
Answer 1= Leafs
Answer 2= Multicellular
#1- The leafs on a plant take in co2 and relese oxygen
#2 Multicellular means that there Multiple cells
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Acid mine drainage occurs when surface water infiltrates __________.
A)
strip-mined coal beds and reacts with the mined coal
B)
spoil banks and reacts with minerals to create sulfuric acid
C)
land near coal mines and reacts with other water to form phosphoric acid
D)
groundwater and surface water supplies and reacts with the acids in these sources
E)
none of the above
Answer:
E) none of the above
Explanation:
Mining can be defined as the process of extracting mineral resources from the Earth's surface such as seem, placer, ore-body, vein etc. Some examples of minerals that can be mined are gravel, gold, chalk, petroleum, limestone, coal, potash, rock salt etc.
The various techniques used for mining includes the following;
1. Sluicing.
2. Placer mining.
3. Hard rock mining.
4. Hydraulic mining.
Acid mine drainage can be defined as the quantity of acidic water that is being drained or flows out from a mining site.
Generally, acid mine drainage occurs when surface water infiltrates spoil banks where chemical reactions (oxidation) occur with pyrite such as iron sulphide.
Answer:
I’m pretty sure it’s B
Explanation:
I’m taking the topic test right now I’ll get back with this
How does meiosis relate to haploid cells? How does fertilization relate to
diploid cells?
Answer:
Sexual life cycles involve an alternation between meiosis and fertilization. Meiosis is where a diploid cell gives rise to haploid cells, and fertilization is where two haploid cells (gametes) fuse to form a diploid zygote.
During meiosis Diploid cells divides which gives rise to haploid cells
while During fertilization two haploid cells fuses together which gives rise to offspring carrying a Diploid cell.
Cells found in human body are Diploid cells because they contain 46 chromosomes, while the sexual gametes are haploid cells because the number of chromosomes they possess is half ( 23 ) the number of chromosomes contained in every other body cell .
Meiosis is a cell division process whereby a parent cell is broken down into four gametes with each gamete containing half the number of genetic material/chromosomes contained in the parent cell.
Hence we can conclude that During meiosis Diploid cells divides which gives rise to haploid cells while during fertilization two haploid cells fuses together which gives rise to offspring carrying a Diploid cell
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A female guinea pig that was pure-breeding for white fur, mated with a male guinea pig
that was pure-breeding for brown fur.
All the offspring had brown fur.
One of the male offspring mated with a female with white fur.
What proportion of white offspring would be expected from this cross?
one half
none
one third
O one quarter
Answer:
one half
Because they both were pure breed (bb and BB) and all the offspring came out as brown that means that brown is the dominant trait. So the offspring are all Bb and if the offspring mated with a white fur she would have to be bb meaning their children woild be either Bb or bb
the presence of ____ indicates the damage or malfunctioning of Kidneys.
fill in the blanks answer fast
Answer:
Everybody knows that some organs in the human body are necessary for survival: you need your brain, your heart, your lungs, your kidneys...
KIDNEYS? Absolutely. Even though you won't find a Valentine's Day card with a kidney on the cover, the kidneys are every bit as important as the heart. You need at least one kidney to live!
The diagram shows a model of an atom. The model has four different symbols on it. Each
symbol represents a different role for one of the particles within the atom.In this model, which particle determines the reactivity of this atom?
Answer:
Where the diagram tho?
Explanation:
If u put diagram image den ill change my answer den giv u the answer.
Cellular respiration refers to____.
A. breathing
B. releasing cellular energy through secretion
C. the breakdown of sugar molecules in food to release energy
D. the synthesis of cellular materials
Answer:
A. breathing
Explanation:
Which is an example of an abiotic factor that might limit the number in an
African grassland giraffe population?
Select one:
decrease in predators
increase in predators
severe drought
increase in the birth rate
Answer:
severe drought, since other are biotic factors.
Answer:
the person above me or below me is correct
Explanation:
Which do you think is more important? - nature (genes) or nurture (environment)
Answer:
Nature.
Explanation:
Nature is more important than nurture because genes determine who we are. But our environment influences us, genes determine how it affects us. For this reason, nature is more important than nurture
Some animals in nature adapt to their changing environment. Those that are successful are able to reproduce and pass on their traits to future generations. This is an example of
A:mutualism
b:selective breeding
C:natural selection
D:cloning
Answer:
I think the answer is D. Cloning. Hope this helps.
The reproductive structure of a fungus (i.e. mushroom) is composed of string-like
filaments called the mycelium.
True
False
What type of inheritance does the “thumb gene” follow? Choose a claim below.
1.incomplete dominance
2. codominance
3. simple dominant-recessive
4. polygenic
Answer:
3. simple dominant-recessive
Explanation:
The thumb gene also known as the hitchhiker's thumb or bendy thumb is detected by the phenotype of a person. The phenotype is responsible for the physical appearance of people. Dominant and recessive traits comprise of alleles that help in the composition of chromosomes.
Traits that manifest strongly are known as the dominant traits and they are responsible for the straight thumbs found in some individuals. The recessive alleles manifest themselves when the dominant traits are not expressed. This would thus give rise to the bended thumb.
Helppp plssss important
Answer:
Due to its negative effect.
Explanation:
The drift nets are no longer used them because of its negative effect on the marine animals. These nets catch more than just fish, they could catch dolphins, whales, and many other species that leads to decrease their population and could be an endangered specie. So due to its negative effect on the marine animals, the drift nets have been banned in many countries.
Which of the following kinds of cells perform basic functions such as making molecules for growth? (SC.6.L.14.3)
Plant cells, but not animal cells
o Animal cells, but not plant cells
O Both plant cells and animal cells
Neither animal cells nor plant cells
Answer:
CE077004
Explanation:
Both plant and bacteria cells perform basic life functions such as making molecules for growth.
The cells require certain molecules for its growth and other vital activities. Both plant and animal cells perform basic functions such as making molecules for growth, i.e., option C.
What are the basic differences between plant and animal cells?Plant and animal cells are eukaryotic cells that means they have well developed nucleus.
There are many factors that differentiate plant cells from animal cells.
Cell wall, it is present in plant cells and absent in animal cells.Vacuole, it is large, prominent and central in plant cells while in animal cells it is absent or temporary.Lysosomes, it is present in animal cells but not in plants.Centriole, it is found in animals and not in plants.Another basic similarity other than being eukaryotic is that both plants and animal cells perform basic functions such as making molecules for growth.
Thus, the correct option is C.
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A hypothesis is an educated guess that must be
A- proven true
B- testable
C- made into a theory
D- made into a law
What are ways animals adapted to our current urban environment
Answer:
Did you know that animals camouflage themselves so they can adapt to their environment? Adaptation can protect animals from predators or from harsh weather. Many birds can hide in the tall grass and weeds and insects can change their colour to blend into the surroundings.
Explanation:
The mutation rate in bacteria is about 3 nucleotide changes per 10 billion nucleotides per cell generation. Under laboratory conditions, bacteria such as Escherichia coli can divide and double in number about every 40 minutes. If a single Escherichia coli cell is allowed to exponentially divide for 24 hours in this manner, how many mutations would you expect to observe on average in the genome (5 million nucleotides) of each of the resulting bacteria compared to the original cell
Answer:
About 0.05 mutations
Explanation:
Given that:
The no. of mutations per generation = 3 nucleotide changes per 10 billion or 3 per 10000 million.
For 5 million nucleotides; we have = (3/10000) × 5 = 0.0015
For 24 hours i.e 36 generations; we have:
= 0.0015 × 36
= 0.054 mutations
Being able to understand the relationship between DNA, mRNA, tRNA, ribosomes and proteins, is necessary for any researcher interested in gene therapy. Gene therapy is dedicated to correcting genetic defects by replacing mutated genes with wildtype versions. This can include complete removal and replacement of the entire gene (knock-outs or knock-ins) or removal of only the actual mutated nucleotides. Sickle Cell Disease is an example of a single-point mutation: GAG becomes GTG, which codes for a new amino acid. One would only need to replace a single base to correct the disorder making it very amenable to gene therapy. The mutant sickle cell allele is called HbS (for sickled hemoglobin) while the wt allele is HbA. Philippe Kasongo, a masters student from Oxford is studying for an oral exam on gene therapy, and has an especial interest in the disorder since he comes from the Democratic Republic of Congo where Sickle Cell has a historical high rate of occurrence due to the prevalence of malaria. Oral exams are a feature of certain British schools where students form a line and have to answer a series of questions from their proctor rather than take a written exam. Should we try oral exams at Lehman this semester
Answer:
Yes.
Explanation:
Yes, we should try oral exams at Lehman this semester in order to fulfill the research on gene therapy done by the masters student. Test is to evaluate the performance of the student in the class, it can be taken by both the methods i.e. through written or through oral exams. Both have the same significance because both evaluate the performance of the students so we can try oral exams instead of written exams at Lehman this semester to help the masters student in his research.
Describe an adaptation to a plant's physical characteristic and explain how this adaptation helps the plant survive.
The development of stomata that are closed in arid conditions is an adaptation in plants. It allows plants to survive.
What is evolution?Evolution can be defined as descendence with modification, a process that involves natural selection.
Natural selection refers to the differential survival and reproduction of the more adapted organisms in a population.
Adaptations are specific features that allow organisms to have higher fitness in a population.
Stomata are structures for the interchange of gases (CO2 and O2) from the environment and can be closed to avoid water loss.
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Create a food chain that contains four organisms from a producer through three consumers using corn, rabbit, grass, wolf, snake, eagle, grasshopper, Fox, rat, and hawk.
Answer:
Corn → rat → hawk → wolf
Explanation:
A food chain is a linear relationship that shows the feeding pattern of different organisms. The food chain portrays which organism located in one trophic level eats another. A forward arrow (→) is used to show that the organism after the arrow feeds on the organism before the arrow.
Every food chain starts with an organism called PRODUCER, which is capable of supplying the energy that is transferred from one organism to another. The energy moves along organisms called CONSUMERS as they feed on one another. According to this question, the below food chain shows the feeding relationship between four organisms:
Corn → rat → hawk → wolf
Note that, corn is the PRODUCER, while rat, hawk and wolf are CONSUMERS
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The element can be identified through its
Which statement is true about the Earth’s oceans? a. They are all getting larger due to the movement of tectonic plates. b. They have changed over time. c. They have not changed in 4 billion years. d. They are all getting smaller due to the movement of tectonic plates. Please select the best answer from the choices provided A B C D
Answer: B :)
Explanation:
27. Which of the following plants belongs to fruit-bearing trees.
A. eggplant
B. soursop
C.string beans
D. tomato
Answer:
B
Explanation:
A soursop belongs to the fruit-bearing trees
28 female, purple body and green eyes12 female, purple body and brown eyes 29 female, orange body and green eyes8 female, orange body and brown eyes9 male, purple body and green eyes 29 male, purple body and brown eyes7 male, orange body and green eyes 30 male, orange body and brown eyes After looking at these results, what can you conclude about the inheritance of body and eye color in these insects
Complete question:
After you complete college, you decide to marry an entomologist. While on your honeymoon with your spouse in Costa Rica, you come across a new insect species. Upon getting approval from the Costa Rican government, you and your entomologist take a few male and female insects back to the US so you can study them. You pick a female insect with a purple body and green eyes, while your spouse chooses a male insect with an orange body and brown eyes. Back in the lab, you and your spouse breed the insects so that you, a geneticist, can understand how body color and eye color are inherited among this newly discovered species. Your crosses results in the following progeny:
28 female, purple body and green eyes12 female, purple body and brown eyes 29 female, orange body and green eyes8 female, orange body and brown eyes9 male, purple body and green eyes 29 male, purple body and brown eyes7 male, orange body and green eyes 30 male, orange body and brown eyesAfter looking at these results, what can you conclude about the inheritance of body and eye color in these insects
Answer:
We can conclude that, for each of the genes, there is complete dominance of one allele over the other. That neither of the genes that codify for these traits is sex-linked. And that the observed quantity of males vs females expressing each of the traits seems to be random.
Explanation:
Due to technical problems, you will find the complete question, answer and explanation in the attached files.