Answer:
C recycling cans
Explanation:
What term describes organisms of the same species inhabiting a particular region?
a
biosphere
b
ecosystem
c
population
d
environment
Answer:
c. population
Explanation:
biosphere includes different species and a broad ecosystem
ecosystem is different species
environment refers to a just the type of ecosystem such as aquatic environment
Which function is shared by the immune and integumentary system ?
- excretion
- movement
- protection
Or - storage
The correct answer is protection because the integumentary system provides protection.
The skin and other parts of the integumentary system work in concert with other organ systems to maintain homeostasis. The skin works with the immune system to protect the body from pathogens by acting as a physical barrier to microorganisms.
Description: This feature is usually called the exoskeleton because it can be the hair of the nail, or basically the inner one that grows naturally on the outside, but in this case, it is not the exoskeleton, It is there to protect.
What are the functions of the integumentary system?The skin has three main functions: protection, regulation, and sensation.
Thus it concludes that the integumentary system has the ability to provide protection.
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the phases of meiosis shown are out of order. Can you name of each of them? plz help me
The diagram to the right shows homologous chromosomes during
prophase 1 of meiosis. Which of the following correctly
describes the process being illustrated?
Answer:
Explanation:
Crossing over in which alleles are exchanged
When new atoms were formed through
nuclear fusion, the mass did not equal
the sum of its original parts. Where is the
missing mass?
the difference can be found in an escaping
gas
the diffence can be found in the form of
energy
Explanation:
Nuclear fusion is the process by which two or more atomic nuclei join together, or “fuse,” to form a single heavier nucleus. During this process, matter is not conserved because some of the mass of the fusing nuclei is converted to energy, which is released. Fusion is the process that powers active stars, releasing large quantities of energy.
The origin of the energy released in
When new atoms were formed through nuclear fusion, the mass did not equal the sum of its original parts - the difference can be found in the form of energy
Nuclear fusion is the process by which two or more atomic nuclei join together, or “fuse,” to form a single heavier nucleus.
In nuclear fusion reaction:
the matter is not conservedthe total mass of the resulting single nucleus is less than the mass of the two original nuclei.some of the mass of the fusing nuclei is converted to energy, which is released.This energy is the difference in the mass between nuclei fuse and the atom formed.Thus, When new atoms were formed through nuclear fusion, the mass did not equal the sum of its original parts - the difference can be found in the form of energy
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true or false Photosynthesis changes light energy into chemical energy.
Answer:
true
Explanation:
because the plant uses the light energy to make food
Describe the origin and fiber composition of (1) ventral and dorsal roots, (2) the spinal nerve proper, and (3) ventral and dorsal rami.
Answer:
A dorsal root (sensory or afferent) and a ventral root (motor or efferent) originate from the medulla. They unite near the intervertebral foramen, forming the spinal nerve. The nerves emerge from the intervertebral foramen, dividing into ventral and dorsal ramus.
Explanation:
The nerve is a set of nerve fibers perceptible to the naked eye and wrapped in connective tissue. They are made up of roots, trunks and nerve branches (some of them come together and form plexuses).The spinal nerve originate from the spinal cord in the form of 31 pairs: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral and 1 coccygeal. They emerge from the spinal cord through two roots: dorsal roots, made up of sensory fibers that come from the sensory neurons of the spinal ganglion and that penetrate the spinal cord through the posterolateral and ventral root, made up of motor fibers, coming from the motor neurons of the anterior horn and visceral of the lateral horn of the gray matter of the spinal cord. This root exits the spinal cord through the anterolateral groove, then joins the posterior root to form the spinal nerve, which exits the vertebral canal through the corresponding intervertebral foramen.Each spinal nerve, after leaving the vertebral canal, emits two primary ramus: the dorsal ramus, contains somatic and visceral fibers that go to the skin and muscles of the back and the ventral ramus, which supplies the ventrolateral surface of the skin, body wall and extremities.
Please select the word from the list that best fits the definition a separate family group that descended from Jacob
Answer:
tribes is the answer
An insect in amber is an example of which of these?
You say which of these like there’s options but I see no options
An insect in amber is an example of a true form fossil because they are preserved in their natural form
A population of Muscovy ducks contains 13 birds with black masks and 37 birds with red masks. Red masks are the dominant trait. What is the frequency of the black allele? What is the frequency of the red allele? What is the frequency of heterozygotes?
Answer: Black allele has frequency of 0.14.
Red allele has frequency of 0.86.
The frequency of heterozygotes is 0.241
Explanation: Hardy-Weinberg model states the frequency of alleles in a population will stay in equilibrium as long as there are external influences. It is also used to determine alleles frequencies using the following equations:
[tex]p+q=1[/tex]
[tex]p^{2}+2pq+q^{2}=1[/tex]
p represents frequency of dominant allele;
q represents frequency of recessive allele;
2pq is frequency of heterozygotes;
For the frequency of red allele, which is dominant, we can use:
[tex]p^{2}=\frac{37}{13+37}[/tex]
[tex]p^{2}=\frac{37}{50}[/tex]
[tex]p^{2}=0.74[/tex]
[tex]p=\sqrt{0.74}[/tex]
p = 0.86
For the black allele:
[tex]p+q=1[/tex]
[tex]q=1-p[/tex]
[tex]q=1-0.86[/tex]
q = 0.14
Frequency of heterozygotes is
2pq = 2(0.86)(0.14)
2pq = 0.241
Frequencies for a population of Muscovy ducks are 0.86 for red allele, 0.14 for black allele and 0.241 for heterozygote.
In Mitosis will each daughter cell have the same types of chromosomes as the parent cell?
Answer:
yes
Explanation:
They will have the same type of chromosomes
Realizează trei lanțuri trofice utilizând speciile care trăiesc în grădina de legume. Stabilește locul omului în lanțurile trofice pe care le-ai creat.
Answer:
Grass - grasshopper- man - bacteria.
Grass - rabbit- man - maggot.
Grass - cow - man - bacteria.
Explanation:
In these food chains, grass is the producer that provides food to primary consumer or herbivores such as grasshopper, cow and rabbit. These primary consumers are the food of secondary consumer such as human while when human die, it become the food of worms and decomposers such as maggot, bacteria etc. the nutrients releases by decomposers are used by producers for the production of food for themselves.
During a lion and cub moment, Mufasa says to Simba, “Everything you see exists together in a delicate balance…..respect all creatures”. How can this quote be related to the concept of the food web, pyramid of energy, and/or the pyramid of numbers? What could happen if this balance is not respected? Indicate a scene in the movie that is an example of this loss of balance.
Answer:
The quote refrences to the fragility of our enviorment and how that balance is to not be disrupted. That no matter how small,every detail affects that balance and is not to be tampered with. It is the same in the food chain,the elimination of even the smallest of species can have devastating effects on an ecosystem. That is why it is important to preserve resources and respect all life. an example of that balance being disrespected in the movie would be the scene where the once beautiful valley was barren and dry due to the hyenas destroying and using up all of the resources, thus destroying the balance of life and bringing famine to their lands.
Explanation: The circle of life man
When a balance is not respected then it leads to destruction of the whole ecosystem not a single organism.
What is the relation of the quote?This quote is related to the concept of the food web, pyramid of energy, and the pyramid of numbers because every organism is dependent on other organism for its survival. If that organism is eliminated from the ecosystem, then the organism that feeds on it also die.
If this balance is not respected and maintained then the whole ecosystem is destroyed because every organism is dependent on othe organism.
So we can conclude that when a balance is not respected then it leads to destruction of the whole ecosystem not a single organism.
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Explain why AUTOTROPHS have to go through photosynthesis AND also cellular respiration.
Answer:
They get energy from food.
Explanation:
They get energy from food. Autotrophs make their own food. ... Many autotrophs make food through the process of photosynthesis, in which light energy from the sun is changed to chemical energy that is stored in glucose. All organisms use cellular respiration to break down glucose, release its energy, and make ATP.
Students set up the experiment shown in their Biology class. After 24 hours, students noticed gas had accumulated in one of the inverted test tubes. They measured the amount of gas.
What would be a best explanation for the gas accumulated in one of the inverted test tubes?
Answer:C) light caused the elodea plants to photosynthesize, releasing O2 gas
Explanation:
Got it right on my test
Students carried out the experiment demonstrated in biology class, and after 24 hours, they noticed gas had accumulated in one of the inverted test tubes, which is the oxygen gas produced by the plant during the photosynthesis process.
What is the experiment for photosynthesis?There are many experiments that demonstrate photosynthesis, such as when the elodea plant is kept in the sunlight, the gases are released and collected in the tube, and when tested, it is discovered that this gas contains oxygen, proving that the plant produces oxygen and glucose in the presence of sunlight.
Hence, students carried out the experiment demonstrated in biology class, and after 24 hours, they noticed gas had accumulated in one of the inverted test tubes, which is the oxygen gas produced by the plant during the photosynthesis process.
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A particular single-celled organism uses radiant energy to fix carbon as sugars. This organism generates ATP by breaking down sugars through a process that uses oxygen. Based on this information, how should this organism be classified? A. aerobic heterotroph B. aerobic autotroph C. anaerobic heterotroph D. anaerobic autotroph
Answer:
D. anaerobic autotroph
Explanation:
What is the function of lungs in mammals?
A.generate warmth
B.nutrient usage
C.gas exchange
D.circulation of blood
Answer:
gas exchange
Explanation:
Which statement describes the difference between incomplete dominance and codominance? In codominance, only one allele is expressed in the offspring; In incomplete dominance, both alleles are expressed in the offspring. In codominance, both allels are expressed in the offspring; In incomplete dominance, only one allele is expressed in the offspring. In codominance, both alleles are expressed in the offspring; in incomplete dominance, the offspring demonstrate an intermediate form of the alleles from the parents. In codominance, the offspring demonstrate an intermediate form of the alleles from the parents; in incomplete dominance, both alleles are expressed in the offspring.
Answer:
the answer you are looking for is C
<3333
Answer:
c
Explanation:
Which of the following could result in speciation from biogeographic isolation?
the isolation of two populations of the same species
the isolation of two individuals of the same species
the isolation of two populations of different species
the isolation of two individuals of different species
Answer:
the answer is A the isolation of two populations of the same species
Explanation:
took the quiz got an 97
The isolation of two populations of the same species.
What is specification of population?Specification is the formation of new and distinct species in the course of evolution.
This speciation involves the splitting of a single evolutionary lineage into two or more genetically independent lineages.
Speciation from biogeographic isolationSpeciation from biogeographic isolation can result from the isolation of two populations of the same species.
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If anyone can help it would be greatly appreciated
Why is the distinction between crude density and ecological density necessary?
Answer: Crude density includes all the land within the organism's range whereas Ecological density includes only that portion of land that can actually be colonized by the species.This variation in density is important to both the species in question and its predators.
Explanation:
Answer:
This called crude density. ... Density measure in terms of the amount of area available as living space is ecological density. Crude density includes all the land within the organism's range whereas ecological density includes only that portion of land that can actually be colonized by the species.
Explanation:
hope this was helpful...
. Which of the following is an organic compound?
a.
H2O
c.
CO2
b.
C6H12O6
d.
PH3
Answer:
the answer is C6H12o6
Explanation:
it is an organic compound
There is a population of 1,000 wolves. Over the course of a year 100 wolves are born.
What is the birth rate?
•0.1 births per individual per year
•10 births per individual per year
•1.0 births per individual per year
•0.01 births per individual per year
Answer:
10
Explanation:
Because 1,000 divided by 100 equals 10.
There is a population of 1,000 wolves. Over the course of a year, 100 wolves are born. The birth rate is 10 births per individual per year. The correct option is b
What is the birth rate?Birth rates of organisms decline and mortality rates increase in density-dependent populations due to numerous factors affecting the rate of reproduction and survival.
When there is a disease, competition, or predation in that organism, it has a higher mortality rate and a lower growth rate. These three factors reduce the birth rate and raise the death rate in an organism's population.
If both the death and birth rates are low, the population will not grow significantly and will remain relatively stable.
1000 / 100 = 10
Therefore, the correct option is b, 10 births per individual per year.
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How can the number of channel or carrier proteins present in the membrane affect the rate of transport of substances into the cell?
Answer:
The more protein channel or carrier a cell has, the faster will be the transport of a specific compound. In other side, lower will be the transport of the rest of compounds, such as O2, H2O.
Explanation:
A protein channel or a carrier protein acts as facilitators in the transport of compounds. The compounds who are polar can't pass easily, or can't even pass, trough the plasmatic membrane, because of it's nonpolar center. So, the cell needs to provide a way for the polar compounds who are needed inside or outside of the cell, thus we have the proteins channel or carrier. They form a polar way for the polar compounds pass into or out the cell.
However, the more proteins we have to transport, less space the membrane will have for the others compounds, because every transport protein just acts with a specific compound or others very similar to it.
Why wouldn't all the new varieties of the pioneer plant survive in each new niche?
Which part of the station
was first built by Russia,
what does it's name mean?
Answer:
If you're reffering to the Russian space station the Salyut 1 was the first part built!
Explanation:
How are the feeding methods used by sea urchins and sea stars similar and different?
Answer:
Sea urchins use five-part jawlike structures to scrape algae from rocks. Sea lilies use tube feet along their arms to capture floating plankton. Sea cucumbers move like bulldozers across the ocean floor, taking in sand and detritus. Sea stars usually feed on mollusks such as clams and mussels.
Explanation:
if you have 6 pairs of homologous chromosomes, how many chromosomes do you have ?
Answer: 138
Explanation: Humans have 23 pairs of homologous chromosomes, times 6 is 138
Answer:
There are 12 chromosomes.
Explanation:
2 chromosomes are in one pair so if there are 6 pairs, you have to multiply it by 2.
Macromolecules are macros made up of cules. true or false?
Answer:
This is true
Explanation:
Macromolecules are large molecules composed of thousands of covalently connected atoms. Carbohydrates, lipids, proteins, and nucleic acids are all macromolecules. Macromolecules are formed by many monomers linking together, forming a polymer. Carbohydrates are composed of carbon, oxygen, and hydrogen.
Answer
true
Explanation macros and cules made macromolecules
What is the Function of the Respiratory System?
Answer:
The respiratory system is a network of organisms and tissues that help you breathe. This system helps your body to absorb oxygen from the air so your organs work. It also cleans waste gases, such as carbon dioxide, from your blood
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Can cells that are haploid (single set of chromosomes) undergo meiosis?
1. Yes, haploid cells have a single set of chromosomes that can be altered.
2. No, haploid cells have only one set of chromosomes that cannot be reduced.
3. No, haploid cells have only one set of chromosomes that can be multiplied.
4.Yes, haploid cells have a single set of chromosomes that can be transferred.
Answer:
Haploid cells cannot undergo meiosis because haploid cells have only one set of chromosomes that cannot be reduced (option 2).
Explanation:
Meiosis is the process of reductional cell division in which, from a diploid cell, four haploid cells —called gametes— are obtained.
The process of meiosis comprises two successive divisions, meisosis I and II, with the result explained above.
The haploid cells are the final result of the complete meiosis process, necessary for procreation in species with sexual reproduction, and cannot undergo a process of reductive division.
No, haploid cells cannot undergo meiosis because meiosis is the process of cell division that produces haploid cells from diploid cells.
Meiosis is a specialized form of cell division that occurs in sexually reproducing organisms to produce gametes (sex cells) with half the number of chromosomes as the parent cell. It involves two rounds of division, known as meiosis I and meiosis II, resulting in the formation of four genetically unique haploid cells.
Haploid cells contain only one set of chromosomes, while diploid cells contain two sets. In meiosis, diploid cells undergo recombination and reduction division to produce haploid cells. During meiosis I, homologous chromosomes pair up, exchange genetic material through crossing over, and separate, resulting in two haploid cells with mixed genetic information. In meiosis II, the sister chromatids of each chromosome separate, leading to the formation of four haploid cells.
Haploid cells, once formed through meiosis, cannot undergo further meiosis because they already possess the reduced number of chromosomes characteristic of gametes. Instead, haploid cells participate in the process of fertilization, where they combine with another haploid cell to form a diploid zygote, which will then undergo mitosis to develop into a multicellular organism.
Therefore, option 2 is the correct answer: No, haploid cells have only one set of chromosomes that cannot be reduced.
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