Organism
Population
biological community
ecosystem
biome
biosphere
PS:increasing order
Population is a group of organisms of d same species
A biological community is the population of organisms living together and interacting in a given area
Ecosystem is the interaction between living and non living organism in a community
Biomes are biological communities that are formed in response to a shared physical environment
Biosphere is the part of the earth that contains living organism
The levels of organization in order from smallest to largest is - Organism, population, biological community, ecosystem, biome, biosphere
There are different levels of organization in every system including the biological system or ecological systems. In this case, there are various levels of the ecological system where:
Organism - an individual in a population that is a unit level and smallest in a particular organization.Population - a group of individuals within the particular species found in a specific area, and able to reproduce.Community - group of two or more species in a population found in a geographical area.Ecosystem - a community where the interaction between biotic and abiotic (non-living) components.Biome - an ecological area with the same climate and biodiversity that may have multiple ecosystems within it.Biosphere - all living organisms along with the spheres, interact with different geosphere.Thus, The levels of organization in order from smallest to largest is - Organism, population, biological community, ecosystem, biome, biosphere.
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Down syndrome, the most common genetic condition in the United States, is also called trisomy 21. What does this mean?
Answer:
Explanation:
It means that chromosome 21 has a third partial or complete copy of chromosome 21. The symptom severities vary somewhat.
Answer:
There are three set of chromosome 21
Explanation:
Trisomy signifies presence of abnormal three chromosomes instead of two.
Down syndrome is also known as trisomy 21 because there are three chromomose -21 rather than two.
There are 46 chromosome in a normal human being which constitutes 23 pairs of chromosome. However, a person suffering from down syndrome has 47 chromosome with an extra chromosome -21.
Converting farmland to urban areas through urban development could lead to
which of the following?
Answer: Without seeing the options I know, that there'll be less land for farming crops
Explanation:
Answer:less land available for growing crops
Explanation:
Prokaryotes are found in
Answer:
both Domain Archaea and Bacteria .
Explanation:
The DNA in prokaryotic cells is in the cytoplasm. Prokaryotic cells are found in single-celled organisms.
In some cases, recombinant DNA must be cloned before it can be inserted into a host. Which vectors can be used to clone recombinant DNA?
Answer:
Phages and plasmids are the vectors that can be used to clone recombinant DNA.
Explanation:
The vectors that can be used in some cases to clone recombinant DNA are phages and plasmids.
A phage, also called as bacteriophage, in simple terms is a virus which replicates itself and infects within a bacteria.
While plasmid is a tiny molecule within a cell structure which can replicate itself independently and is commonly found in DNA molecules.
A geology student finds a rock formation composed of sedimentary rock. Based on the principle of _______, the student concludes that the layers on the bottom are older than the layers on the top.
ANSWER:
Based on the "principle of Superposition", the geology student can say that the layers on top are "younger" than the layers present below.
EXPLANATION:
The principle of superposition is a basic principle in geology which states that in a "sequence of strata", any stratum is "younger" than the one on which it "rests". Sedimentary rocks are formed by deposition of "one layer on top of another". Therefore, the "layers at the bottom will be older" than the layers of rocks that form above the lower ones.What could be a result of an injury to the dorsal column?
A.
loss of sensation to pressure and touch
B.
loss of control over all involuntary movements
C.
inability of the body to maintain homeostasis
D.
inability to regulate the sleep-wake cycle
E.
loss of motor control
Answer:
A. loss of sensation to pressure and touch
Explanation:
Posterior column-medial lemniscus pathway also known as the dorsal column–medial lemniscus pathway (DMLP) is a pathway involved in recognition of sensory simulations and is found in central nervous system.
It is involved in conveying different sensations like like touch and vibration from skin and joints. Therefore, it can be said that the pathway plays significant role in perception of sensory information from different parts of the body. If any damage occurs to the pathway it can result in loss of sense of touch and vibration which is ultimately a lack of ability of a person to sense a touch or pressure in the body.
Hope it helps!
Answer:
A. Loss of sensation to pressure and touch
Explanation:
What did astronomer Edwin Hubble discover in 1929?
I need it up to 4 sentences
Answer:
Edwin Hubble discovered that the universe was expanding. he used his known 100 inch telescope to discover that our milky way was one of many galaxies. that these galaxies are part of an ever expanding universe. This discovery changed the way we and scientists look at the universe
Edwin Hubble discovered that the universe is expanding, providing critical evidence for the Big Bang theory and altering cosmological understanding.
In 1929, astronomer Edwin Hubble made a groundbreaking discovery that reshaped our understanding of the cosmos.
Using the Mount Wilson Observatory, he observed distant galaxies and found that their light was shifted towards the red end of the spectrum, indicating they were moving away from us.
This revelation led to the formulation of Hubble's Law, showing a proportional relationship between a galaxy's distance and its velocity of recession.
The implications were profound, suggesting the universe was expanding. This provided pivotal evidence for the Big Bang theory, challenging the prevailing notion of a static and unchanging universe.
Hubble's discovery fundamentally altered cosmology, setting the stage for our modern understanding of the vast and dynamic universe we inhabit.
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Glucose provides energy for cells. Different cells have different mechanisms for glucose intake. Intestinal cells contain proteins that transport glucose against its concentration gradient. These proteins couple the movement of glucose to the movement of sodium down its concentration gradient. Red blood cells have transporter proteins embedded in their membranes. When bound by a glucose molecule, these proteins change shape and allow glucose to move down its concentration gradient into the cell.
Based on this information, what type of transport is used for glucose in blood and intestinal cells?
Answer:
From the given information, the transport of glucose in blood across the red blood cells takes place by facilitated diffusion, that involves the spontaneous passive-transport with the help of trans-membrane proteins or transporter proteins to move the ions or molecules down the concentration gradient.
While the transport of glucose in intestines take place via active transport mechanism. It takes place from gut into intestines. It occurs against the concentration gradient with the help of energy molecules like proteins.
What scientists are credited for the events described in the development of the cell theory
Answer:
Matthias Schleiden, Theodor Schwann and Rudolf Virchaw.
Agricultural land is cleared for limestone mining. Which of these plans prevents the permanent dislocation of local farmers due to mining in this location?
Water the mining area regularly
Reduce the use of heavy machinery in the mining area
Choose other uninhabited locations for limestone mining
Make reclamation mandatory after limestone has been removed
Answer:
Make reclamation mandatory after limestone has been removed
Explanation:
Answer: Option (4)
Explanation: Mine reclamation must be adopted in order to carry out agricultural activities after mining is over in a particular place. This method helps in regaining the essential ingredients upto some extent, for future cultivation.
This method must be adopted before the mining starts. The surface water as well as the ground water can be prevented from getting contaminated by the mining activities. The area selected for mining should be at an isolated place, away from the human inhabitants.
Thus, the correct answer is option (4).
In most settings pharmacy technicians wear
Answer:a) a formal business suit
B) laboratory coats or scrubs
C) jeans and a dress shirt
D) a shirt, tie, and/or a dress/skirt
Explanation:
The points of muscle attachment are known as the
Answer:
Origin and Insertion
Explanation:
The origin is the point of attachment of a muscle that remains relatively fixed during contraction.
The insertion is the point or mode of attachment of a skeletal muscle to the bone or other body part that it moves.
Muscle attachment points are known as the origin and the insertion. The origin is the fixed end attached to a stabilized bone, while the insertion is the movable end which attaches to the bone being pulled. These points of attachment are critical in enabling muscle movements.
Explanation:The points of muscle attachment are known as the origin and the insertion. The origin is the end of the muscle that attaches to a fixed, or stabilized, bone. The insertion is the moveable end of the muscle that attaches to the bone being pulled. These terms are used when discussing skeletal muscles and how they interact with our skeleton to enable movement.
An interesting point to note is that often the name of a muscle can indicate its points of attachment. An example of this is the sternocleidomastoid muscle of the neck, which originates on the sternum (sterno) and clavicle (cleido), and inserts onto the mastoid process of the temporal bone.
Attached muscles are primarily responsible for movements, with the prime mover being the muscle mainly involved in a specific movement, and synergist muscles offering supportive help to the main muscle.
The points of muscle attachment are called origin and insertion. The origin is the end of the muscle attached to a fixed bone, while the insertion is the end of the muscle attached to the bone being pulled. For example, in the forearm flexion movement, the brachioradialis assists the brachialis muscle as a synergist.
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What is the endosymbiont hypothesis?
Answer:it is a theory which describe about the eukaryotes
Explanation:
a theory which state that eukaryotes evolve from different process of free living prokaryotes by incorporated into larger prokaryotic cell
What body system are involved when you sit down to do your homework.
Answer:
- Integumentary system (your skin touches your clothes and then the chair, protecting your internal organs)
- Muscular system (you need your muscles to flex your legs onto the chair)
- Nervous system (your brain needs to voluntarily tell your muscles to sit down)
- Skeletal system (your muscles need to control your bones to put them on the chair)
The coordination of various body system helps organisms to perform various functions. As in case of doing homework while sitting down, the systems involved are integumentary system, nervous system, muscular system and skeletal system.
What are different body systems?Body systems involved in the coordination of daily activities. This system can be of many types depending upon the type of cell and activity.
There are following body systems:
Skeletal system.Muscular system.Nervous system.Endocrine system.Cardiovascular system.Lymphatic system.Respiratory system.Digestive system.Urinary system.Reproductive system.The system involved in doing homework while sitting are integumentary system to feel the objects, nervous system to remember the material, muscular system for flexing and skeletal system to provide support by bones.
Thus, these were the listed body systems required for the given scenario.
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Compare and contrast what happens in mitosis and meiosis.
Mitosis is important for growth and repair, while meiosis occurs in cells involved in sexual reproduction.
Mitosis is important for reproductive cells, while meiosis is needed for growth and repair of body cells.
Mitosis is a process that results in genetically different daughter cells, while meiosis is a process that results in identical daughter cells.
Mitosis is a process that requires two cell divisions, while meiosis is a process that requires one cell division and results in identical daughter cells.
Answer: The first one would be the correct answer
Explanation: Mitosis is important for growth ans repair, while meiosis occurs in cells involved in sexual reproduction. Why, because, mitosis, which produces genetically identical cells, is the basis of growth, tissue repair and asexual reproduction. The other form of division of the genetic material is called meiosis. Meiosis is a process that shares mechanisms with mitosis, but it should not be confused with it, since meiosis is typical of the cell division of gametes. It produces genetically distinct cells and, is the basis of sexual reproduction and genetic variability.
The statement 'mitosis is important for growth and repair, while meiosis occurs in cells involved in sexual reproduction' is CORRECT.
Mitosis is a type of cell division by which a parent cell generates two genetically identical daughter cells.
This type of cell division (mitosis) is fundamental for tissue growth and repair.
Moreover, meiosis is a type of reductional cell division that produces four cells with half of the chromosomes as the original parent cell.
Somatic cells divide by mitosis, whereas germline (gametic) reproductive cells divide by meiosis.
In conclusion, the statement 'mitosis is important for growth and repair, while meiosis occurs in cells involved in sexual reproduction' is CORRECT.
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What is the water cycle
Answer:
the cycle of processes by which water circulates between the earth's oceans, atmosphere, and land, involving precipitation as rain and snow, drainage in streams and rivers, and return to the atmosphere by evaporation and transpiration.
IZ
2. Equilibrium is best defined as a state of
A harmony
B chaos
c balance
CD competition
Answer:
physical balance
Explanation:
markk brainiest:)
Explain how bones attach to each other and to muscles and how this aids movement
There are two main connective tissues in our Musculoskeletal system which serve in joining the structures (bones and muscles) together and with each other.
Tendons - The purpose of tendon is to attach the muscles to the bone.Ligaments - The purpose of ligaments is to connect the ends of bones together which form the joints.The movement of body is achieved through help of both muscles and bones. One end of the bone is always fixed which is termed as origin and the other end is move-able which is known as insertion. When a muscle contracts, it exerts a force on the tendon which transfers that force to the bone and as a result the bone is pulled resulting in the desired movement. Ligaments keep the bones intact and also determine the range of motion of the bones.
Answer:
Bones attach to each other by ligaments.
Bones attach to muscle by tendons.
When muscles contract, bones are pulled to produce movement
Explanation:
Which is the SI base unit of mass?
Liter
Kilogram
Meter
Pound
Answer:
Kilogram
Explanation:
The kilogram is the SI base unit of mass and is equal to the mass of the international prototype of the kilogram
Answer:
Kilogram
Explanation:
Kilogram is used in the International System to measure mass, which is the amount of matter that an object contains. The kilogram was first based up on an object located in france which was a kilogram, and from that every scale and balances were calibrated, the problem was that it was decaying like every element on earth with time, that was created in 1889, and ever since it has been loosing weight because of this decay, it has los 50 micrograms, which is equivalent to a 2 cm hair or an eyelash, now is changing to be correlated to the planck constant, which never changes her or in the universe, this is very important because the SI is meant to be universal, for all the people throughout the time.
2. The heart is classified as a (n)
Answer:
Muscle
Explanation:
The heart is classified as a (n) muscle. Most people believe the heart is an organ but, it's not.
Answer:
The correct answer is a muscular organ.
Explanation:
Our heart is considered to be a muscular organ because of the organ is a group of tissues which are together in order to do a specific function. So, our heart has the function of pumping blood throughout our body.
The enzyme DNA polymerase works only in the 5′ to 3′ direction. How does this affect the leading strand and the lagging strand?
A. DNA polymerase can work on both the leading and the lagging strand but is much faster on the leading strand.
B. DNA polymerase can use only the leading strand as a template. A different enzyme is used to synthesize DNA on the lagging strand.
C. DNA polymerase can work continuously on the leading strand but works discontinuously on the lagging strand, creating Okazaki fragments.
D. DNA polymerase can work continuously on the leading strand but must flip the lagging strand around before it can work on it.
Answer:
The correct answer is option C.
Explanation:
DNA polymerase is an enzyme of replication which adds nucleotides to the new or nascent DNA strand using energy in the form of ATP.
The type III of this enzyme binds new nucleotides in 5′ to 3′ direction after reading the bases of existing strand and adding complementary base pairs at 3’-OH group of the primer.
The new strand moving in the direction of 5' to 3' is synthesized continuously called leading strand as DNA polymerase moves in the same direction of replication fork but the strand running opposite to replication fork is made in fragments called Okazaki fragments called lagging strand.
Thus, option C is the correct answer.
Please help ....... thank you in advance
Answer:
Here's what I get.
Explanation:
Your first problem is to figure out the formula to use.
You have an initial population P₀ that increases each year by 5 %, that is, by a factor of 1.05.
Each year, you multiply the population of the previous year by 1.05.
This gives you a geometric series, for which the general formula is
P = P₀rⁿ
P₀ = 11 500
r = 1.05, the common ratio from one year to the next
n = the number of years from now
The formula for your population is then
P = 11500(1.05)ⁿ
You must create a table with n as the independent variable and P as the dependent value.
I used Excel to create a table showing the population at half-year intervals (see below).
I also created a graph of the population growth.
You are probably aware that this is a completely unrealistic model, because the population cannot exceed the carrying capacity.
Instead, the graph will level off in a logistic growth curve as the population approaches 14 600.
which of the following would be an exception for the Fourth Amendment
Answer:
A simple example of the Fourth Amendment would be the right to protect yourself from unreasonable search and seizure. For example, a police officer does not have the right in your home and/or property without a warrant. Hope this helps...
Explanation:
what are the basics of biology?
Biology is the study of living organisms and their interactions with the environment. It involves understanding the key properties of life and the hierarchical organization of living things. Biologists also explore evolutionary relationships among organisms.
Explanation:Biology is the study of living organisms and their interactions with one another and their environment. It encompasses the study of everything from cells to ecosystems. The basic principles of biology include key properties shared by all living organisms, such as order, sensitivity, reproduction, growth and development, regulation, homeostasis, and energy processing. Biologists also examine the hierarchical organization of life, from atoms to the biosphere, and study the evolutionary relationships among organisms.
Science is the systematic exploration of _______ about everything in the physical universe. _______ caused the end of the nomadic lifestyle of ancient humans. Anthropology and psychology help us organize how humans _______. The _______ is a process often used by scientists to help them solve problems. Before a scientific paper is published, it has to go through a/an _______ process. Biology is the study of _______. For DNA to be passed on to a later generation, an organism must _______.
Answer:
Explanation:
1.knowledge
2.Agriculture
3.learn
4.scientific method
5.peer review
6.life
7.reproduce
Science is the systematic exploration of knowledge about everything in the physical universe. Agriculture caused the end of the nomadic lifestyle of ancient humans. Anthropology and psychology help us organize how humans learn. The scientific method is a process often used by scientists to help them solve problems. Before a scientific paper is published, it has to go through a/an peer review process. Biology is the study of life. For DNA to be passed on to a later generation, an organism must reproduce.
what are the features of peer review ?Peer review is the process of evaluation of work occur by one or group of people of specific field of expertise and share competences, validate and improve the quality of academic work
It provide credibility and also increase networking within a group of scientific experts.
The purpose of peer review is to assist the writer and provide to achieve excellence in the work and provide opportunity to give us feedback along with constructive criticism.
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Most dissolved carbon in the ocean is used to form which structure in marine organisms?
The fronds of giant algae
The muscle tissue of small fish
The nerves of giant mollusks
The skeletons of coral polyps
Answer:
D
Explanation:
Photosynthesis by tiny marine plants (phytoplankton) in the sunlit surface waters turns the carbon into organic matter. Many organisms use carbon to make calcium carbonate, a building material of shells and skeletons
Answer: The skeletons of coral polyps.
Explanation:
The photosynthesis by the aquatic plants, atmospheric carbon dioxide dissolved in the oceanic water, the decomposed and degraded matter of animals and plants can increase the concentration of the carbon dioxide in the oceanic water. This carbon dioxide can be useful to develop the coral reef the hard skeleton structure composed of calcium carbonate by the colonies of the coral polyps.
rock is classified into three main types by?
Answer:
Sedimentary, metamorphic, and igneous
Explanation:
Rocks are classified into three groups, sedimentary, metamorphic, and igneous. The differences are how they are formed.
What is the main goal of sustainable food production?
O
A. To conserve natural resources, protect ecosystems, and defend
wildlife
O
B. To maximize profits while growing enough food for a large
population
O
C. To prioritize the welfare of farm animals above the needs of
humans
O
D. To feed a growing population without harming ecosystems or
public health
Final answer:
OPTION D.
Sustainable food production aims to nourish the global population in a way that conserves resources, protects ecosystems, and ensures the welfare of humans and the environment.
Explanation:
The main goal of sustainable food production is to feed a growing population without harming ecosystems or public health. This involves a balance of several key aspects: using materials and energy at a level that is sustainable, maximizing local food production, maintaining a supply of clean water for human consumption, and employing agricultural practices that conserve natural resources and protect ecosystems. By focusing on sustainable food systems, we can ensure healthy diets for all, with minimal environmental impact, while also safeguarding socio-economic conditions to allow equitable access to food.
Answer:The main goal of sustainable food production is to feed a growing population without harming ecosystems or public health
Explanation:
I just took the tes
The change of England's Biston betularia moth populations from light colored to dark colored is an example of _____.
Answer:
The correct answer for this is: Microevolution.
Explanation:
The change of England's Biston betularia moth populations from light colored to dark colored is an example of 'Microevolution'.
Basically, the change that occurs over time in the allele frequencies within a group of species or population is known as microevolution.
The four processes due to which this change occurs include gene flow, selection (natural and artificial), mutation and genetic drift.
Answer:
Microevolution.
Explanation:
Some organisms in an ecosystem obtain energy and nutrients from plants. These organisms store the energy in their bodies. What happens to the energy in the ecosystem when the organisms die?
Answer:
The energy gets reused.
Explanation:
Decomposers break down their body and get nutrients. The nutrients then go Into the soil. Those nutrients help feed organisms.