General category: Biology.
Sub-category: Ecology
Topic: Natural resources
Introduction:
The term sustainability describes how biological systems remain diverse and productive over time.
Explanation:Sustainability refers to how biological systems remain productive over time. In particular, the term sustainability is described as the balance of a species with its resources in its specific environment. On the other hand, sustainable development is exercising the correct use of current resources without compromising those of future generations. Therefore, sustainable processes preserve, protect and conserve current and future natural resources.
We can conclude that the correct answer is:
Answer:Sustainability refers to how biological systems remain productive over time. In particular, the term sustainability is described as the balance of a species with its resources in its specific environment.
What are some structural similarities between most viruses and what are the functions of these parts?
The basic structure of a viruses is constituted by genetic material, which could be DNA or RNA, surrounded a protein structure called capsid. The genetic material, as in not viral life forms, carries the information necessary for the virus reproduction inside an infected cell.
Enveloped viruses: some viruses have a lipid coat with protein spikes (glucoproteins) to recognize possible hostage cells.
Do gametes have a haploid or diploid number of chromosomes?
Neither
Haploid
Both
Diploid
Which of the following processes must occur before cell division begins?And why is it not cytokinesis
Let's take a look at the diagram for the cell cycle:
Recall that the order is from G1 phase to Telophase, where cells ready to undergo cell division start in interphase.
Let's define our answer choices:
0. Shrinkage of the nucleus
,1. DNA duplication
,2. Cytokinesis
,3. DNA segregation
We are trying to find which of these answer choices occurs before cell division (which is known as mitosis/meiosis depending on the type of cell).
We can see from the cell cycle diagram that the stages before mitosis would be the G2 phase, the S phase, and the G1 phase.
Let's go through each of our answer choices:
0. Shrinkage of the nucleus - this answer choice ,never, happens in the cell cycle. The nucleus ,dissipates, or ,dissolves, away when the cell is ready to undergo mitosis.
,1. DNA duplication - this answer choice is ,correct,. DNA duplication occurs during the ,S phase,, which is ,before, mitosis (cell division).
,2. Cytokinesis - this is when the 2 cells during mitosis split and become 2 separate cells. This would signify the ,end, of mitosis, so this answer ,would not be correct,.
,3. DNA segregation - this answer choice happens ,during, mitosis. Therefore, this answer choice is not correct.
Therefore, our answer choice is B.
When Charles Darwin discover the various fish species on the island of Guadalupe house he was surprised to find so many different but related species in such a small geographical area which of the following best illustrates the correlation between competitive advantage in an individuals traits in a particular environment
When Charles Darwin discover the various fish species on the island of Guadalupe house he was surprised to find so many different but related species in such a small geographical area.
The idea that best illustrate the correlation between competitive advantage in individuals traits in a particular environment is the principle of normal variation which states that:
Members of a population display inheritable variations of traits; and Populations evolve by natural selection. Traits change over time, and then become stable in a population. These are sub-sets of the concept of evolution and natural selection as depicted in the book "The Origin of species"Who is Charles Darwin?Charles Darwin, full name Charles Robert Darwin, was an English scientist whose scientific theory of evolution by natural selection created the cornerstone of contemporary evolutionary research. He was born on February 12, 1809 in Shrewsbury, Shropshire, England and died on April 19, 1882 in Downe, Kent.
Darwin's most extraordinary contribution to science was to finish the Copernican Revolution by defining nature for biology as a system of matter in motion guided by natural laws. The genesis and adaptations of organisms were brought into the realm of science with Darwin's discovery of natural selection.
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Is this a E. coli from a EMB media? I’m not sure
Answer: Does not appear so.
Explanation:
EMB agar is generally a dark red color. E. coli will grow with a green sheen on EMB. The colonies appear as if they may be slightly green but it is hard to tell with the condensation and lighting. It does not appear that it was grown on EMB though.
Refer to the picture below to visualize what E. coli growth looks like on EMB agar.
I need to know which one fits the Vern diagram in the picture please
Answer: Criminal Case
Explanation: In a criminal case, the prosecution bears the burden of proving that the defendant is guilty beyond all reasonable doubt. This means that the prosecution must convince the jury that there is no other reasonable explanation that can come from the evidence presented at trial
Read the passage to answer the question.
Kangaroos are mammals, like humans. Like other mammals, they reproduce sexually with sperm fertilizing an egg that develops into an embryo. Unlike humans, however, once the embryo consumes its yolk sac to develop, it must be born. The infant is
about the size of a lima bean, mostly undeveloped except for its two front arms. It uses these to climb up its mother's abdomen and into her pouch. Once there, it feeds
on its mothers milk and continues to develop until it's big enough to finally leave. The muscle cells of a kangaroo organize together to form the structures that let a
kangaroo walk, run, and hop, allowing it to avoid predators.
Which term names a group of similar cells working together?
tissue
organ
organism
cell system
Tissue is a term that best describes a group of similar cells working together.
What is a tissue?
First, cells on their own can function individually, they are the basic unit/ building block of every living organism, and they have the ability to grow, multiply and die. The cells in a Kangaroo provide structure for the body.
But, when two or more cells come together to perform a similar function, then they become a tissue. Tissue comprises of similar cells that work together to perform a specific task.
From the passage, connective tissue is formed from muscle cells of a kangaroo that organize together to form the structures that let a kangaroo walk, run, and hop, allowing it to avoid predators.
In summary, group of similar cells form tissues so they could perform a specific function.
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how do i write the answer for this would u say. It needs about 100 words or less and im not sure about it at all.
Okay. We can say that it is possible to identify the cycle cell stage the cell are getting through in the shown diagram. It's metaphase since the nuclear envelope denatures itself, and chromosomes start to get visible on the cytoplasm, aligning themselves along the equatorial cell axis.
Non-pigmented irises (blue eyes) are recessive to pigmented irises (brown, green, hazel, etc). A person with
blue eyes has both parents with brown eyes. How is this possible
Answer:
Genes
Explanation:
Although the parents both have dominant eyes.
The child could have eyes from the grandparents that skipped a generation.
Hope that helped!!
<3
If both parents carry the recessive allele for blue eyes, a blue-eyed person with two brown-eyed parents is possible.
How is this Non-pigmented irises (blue eyes) are recessive to pigmented irises cross possible?Each individual receives two copies of each gene, one from the mother and another from their biological father. In this situation, both parents have the pigmented iris dominant allele (BB or Bb), so both seem to have brown eyes. Both parents, however, may be heterozygous for of the recessive allele for the blue eye gene (Bb), which they could pass on to their offspring with a 25% chance.
If both parents carry the recessive gene, their children have a 25% chance of inheriting two copies of the recessive variant (bb) and so having blue eyes. The blue-eyed person in this scenario inherited an allele that is recessive from each parent, culminating in their blue eye colour.
Therefore, while it is less common for a person with two brown-eyed parents to have blue eyes, it is possible if both parents are carriers of the recessive allele.
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Inspiration is the divine influence that allowed a person chosen by God to receive and write God's revelation.TrueFalse
Answer:
True............................
Why do you think scalawags were received so negatively?
They hated carpetbaggers for making a profit off the southerners misfortunes. Scalawags, who were southerners, were hated for working with free blacks to form governments in an era when the "respectable people" who had supported confederacy couldn't.
what do new cells do in a chicken egg
When the northern hemisphere is tilted towards the sun, what season does itexperience?A. springB. winterC. fallD. summer
When the northern hemisphere is tilted toward the sun (90° North Pole - latitudes between the Equator and North Pole) it is experiencing summer.
What is ATP and why does it have stored chemical energy? What important polymer will you find adenosine monophosphate in (take note of what is attached to carbon #2)
ATP is an adenosine triphosphate, the energy-carrying molecule found in the cells of all living things. ATP works as a shuttle, capturing energy from the breakdown of food and transferring it to the parts of the cell that require energy to run their processes.
ATP has stored chemical energy in the pyrophosphate bond, which lies between the last two phosphate groups of ATP. When the cells need energy to do any work, ATP cleaves the third phosphate group, releasing a large amount of energy stored in the bond between the third and second phosphate group. Energy is required for all the cell’s activities. This includes visible activities, such as muscle movement when running or talking, as well as those that cannot be seen by the human eye, such as the nerve impulses involved in thinking or feeling. ATP provides energy for all these processes.
The important polymer where adenosine monophosphate is found is RNA. Adenosine monophosphate (AMP) is one of the components of RNA.
Which type of mutation do you hypothesize led to the delta variant of SARS-CoV-2?A.new generic combinations through meiosis B. Errors occurring during the replication processC.mutations caused by environmental factors Which answer is correct ?
Viruses are likely to get mutations due to the fast reproduction cycle, this can lead to different replication mutations. the rate of mutations induced by the DNA polymerase is 1/100,000, it is low, but due to the fast spread of the viruses, it could induce some changes.
But one of the main characteristics of the Delta variant is its ability to evade the immune system, so I would say that the mutations that led to this variable were the environmental factors, because it adapted to be more contagious and also to be able to spread easily.
But to give the right answer it is necessary to look into the specific mutations this variable has in regard to the ones that come before.
Which of the following BEST Don’t completes the above analogy?
The correct option is the first one, Pancreas is to Insulin, as Liver is to Glucagon. The analogy refers to the organ and compound they interact with. Pancreas produces glucagon which interacts with the liver, while liver produces insulin like growth factors, which interacts with the whole body, including the pancreas.
What is CRISPR?Group of answer choicesSequences derived from viral DNA fragmentsA gene-editing toolA bacterial defense mechanismAll of these answers
CRISPR is a family sequences derived from viral DNA fragments, which is used by bacteria as a defense mechanism against bacteriophages. Together with the Cas9 enzymes, CRISPR is also a gene-editing tool. Therefore, the correct answer is the last option.
When did humans stop evolving?
Evolution is any modification or change in the organism's characteristics over many generations. The most recent evolution within Homo sapiens populations is about 50,000 years ago. This refers to evolutionary adaptation, sexual and natural selection, and genetic drift.
Humans are still undergoing evolution. Changes to adapt to environment is a genetic change and therefore considered as evolution. Blue eyes is considered as an evolutionary trait of humans recently. It came from a mutation from an ancestor 6,000-10,000 years ago. This just means that humans will continue to evolve because evolution is considered as a slow process that will take many generations.
What are 3 processes that plants and/or animals undergo that lead to energy released as heat?
Answer:
Cell repair, photosynthesis and chemical reactions
Explanation:
which alternate energy source is nonrenewable and provides energy by splitting atoms of uranium?A. nuclear power B. solar power C. geothermal power D. wind power
Analyzing all the options:
A. Nuclear power: energy obtained by splitting atoms, and it is nonrenewable.
B. Solar power: it is energy provided by sunlight, hence it is renewable.
C. Geothermal power: this kind of energy is obtained by the heat inside of the Earth, hence it is renewable.
D. Wind power: energy obtained by the kinetic energy of the wind, and it is renewable.
Prokaryotic and eukaryotic cells contain a gel-like substance filling the cell. It cannot be seen under the microscope but it is the location of chemical reactions.Which organelle represents this part of the cell?chloroplastgolgi bodiesnucleuscytoplasm
The cytoplasm organelle represents this part of the cell.
The cytoplasm in prokaryotes, which are cells without nuclei, is the entirety of the plasma membrane. The water-based gel-like cytosol, which contains ions, small molecules, and macromolecules, is a key component of the cytoplasm in both prokaryotes and eukaryotes.
The cytoplasm is the name for the gelatinous liquid that makes up a cell's inside. It is composed of salts, water, and other chemical substances. Membranes separate the cytoplasm from some internal organelles, such as the nucleus and mitochondria.
The jelly-like material inside cells called cytosol supplies the fluid medium required for metabolic reactions. All animal cells, which are eukaryotic cells, also contain different cellular organelles.
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How do you find telophase if
8% of the cells were in prophase and the cell cycle was 10 hours long, then prophase would last 8% of 10 hours, or 0.8 hours (48 minutes). Use percentages to estimate the duration of each phase of the cell cycle.
Answer:
You can use your data to estimate the duration of each phase of the cell cycle. For example, if 8% of the cells were in prophase and the cell cycle was 10 hours long, then prophase would last 8% of 10 hours or 0.8 hours
explanation:
Why natural selection is not just a theory?
In science, the meaning of "theory" is different than the one we use commonly.
In the day-to-day, "theory" means a supposition or speculation, while a scientific theory is an explanation of a certain aspect of nature that is supported by evidence collected from several sources, and that has been tested repeatedly following the scientific method. A scientific theory is considered to be a truth, which is the case for natural selection and evolution.
Which action is a response to external stimuli?drinking when thirstyeating when hungrybreathing hard when exercising because of a drop in oxygen levelswearing sunglasses to protect eyes from UV rays
wearing sunglasses to protect eyes from UV ray is reasponse to an external stimuli.
the UV rays from the sun are the external stimuli, while the oter option are internal stimuli
select all the true statements : A) Both plant and animal cells can have mitochondria;B) In animals cells, chromosomes contain the master plan for cell activities and cell development;C) An animal cell does not have a nucleus, but a plant cell can have one.
Animal cells and plant cells are eukaryotic cells, that is, their genetic material (DNA) is stored within the nucleus.
These two types of cells, even though they are eukaryotes, still have some differences.
Plant cells have vacuole, chloroplast, and cell wall (these structures are absent in animal cells). Mitochondria are an organelle that is present in both animal and plant cells.
The correct statements are A and B:
A) Both plant and animal cells can have mitochondria;
B) In animal cells, chromosomes contain the master plan for cellular activities and cell development;
Statement "C" is incorrect because both animal and plant cells have a nucleus.
Compare the consumption of macromolecules in Inuit diet to the American diet.
American diet consists of excess sodium, saturated fat, refined grains, and calories from solid fats and added sugars while Inuit diet consists mainly marine foods like shell fish , whales or birds animals mainly duck bear and plants that include roots and berries .
Inuit diet is not healthier then American diet , this kind of diet mostly consists of non vegetarian food , that can be eaten raw to supply essential nutrients like whale skin , seal brain . this diet is generally taken by the people who live in frozen snow covered area .
On the other hand American diet includes Fried foods, Processed foods, Processed meats, Refined grains and Red meat.
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Which of the following is not part of the first line of defense of human’s immune system A. Skin B. White blood cellsC. Saliva D. Sweat
The first line of defense of the human's immune system is referred to as unspecific barriers whose main function is to block and prevent the entry of pathogens. It is composed of the skin, mucous and secretion such as saliva and sweat. Therefore, the correct answer to this question is option B, white blood cells, which have a more specific .
Describe the strongest theoretical perspective to frame social problems of institutions across work education family and medicine including why you feel it’s the overall strongest perspective. First describe details of theoretical perspective as it relates to social institutions then explain why it’s the strongest three perspectives.
Social life is not complete without social difficulties. The term "social problem" refers to social circumstances, procedures, societal norms, or behaviors that are typically regarded as undesirable, detrimental, or endangering a number of values or interests, including social cohesion, the upholding of law and order, morality, the stability of social institutions, economic prosperity, or individual liberties. A social issue can also be perceived as a sense of collective guilt brought on by a failure to eliminate or improve certain unfavorable social situations that have a detrimental impact on particular segments of society.
Therefore, there is no presumption of value- or attitudinal neutrality in perception, interpretation, or intervention in this description of social issues. This specific characteristic distinguishes social phenomena that are seen to be social issues from other social or physical phenomena or situations that are thought to be difficulties tout court and that are possibly considered as not quite desirable or pleasant but without an element of threat.
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Which cell components are found in both plant and animal
Answer: Structurally, plant and animal cells are very similar because they are both eukaryotic cells. They both contain membrane-bound organelles such as the nucleus, mitochondria, endoplasmic reticulum, golgi apparatus, lysosomes, and peroxisomes. Both also contain similar membranes, cytosol, and cytoskeletal elements.
Explanation:
Hypothyroidism and Hyperthyroidism are disorders related to the Thyroid gland
Hyperthyroidism is an over production of the thyroid hormone and hypothyroidism is an underproduction of th ethyroid hormone.
Hyper means overproduction or more than necessary amounts of thyroid hormones are produced
Hypo means the is underproduction or less amounts of the thyroid hormone are produced.