Answer:
Fishing down the food web is the process whereby fisheries in a given ecosystem, "having depleted the large predatory fish on top of the food web, turn to increasingly smaller species, finally ending up with previously spurned small fish and invertebrates".
explain how it helps in increasing the shelf life of fruits and vegetables based on membrane transport
Answer: There are two categories of cross membrane transport, active and passive. While active transport requires energy, passive transport relies on concentration differences inside and outside of the membrane. With films that cover the outermost membrane of the fruit (the skin), this concentration gradient can be removed or slowed so membrane transport is also slowed and as a result, the fruit stays fresh longer. A good analogy for this is considering evaporation in an open jar on a hot day versus if there was a lid on the jar. Both jars would be in the same conditions, but the jar with the lid would retain more water.
Explanation: have a great day:)
A student noticed that he looks more like his mother's side of the family than his father's. he
explains, "it is because my cells have more dna from my mom than from my dad.
do you agree or disagree with this student?
Answer:
Yes
Explanation:
The mom has greater features than the dad's side so the child is going to have more of what the mom has. Like black hair is a dominant feature maybe the mom had black hair that dad had red black is the dominant trait.
I totally disagree with this student. This is because, during the successful fertilization, 23 chromosomes of each parent get fused in order to form a total of 46 chromosomes. The amount of DNA from both the parents is equally inherited by the students.
What is DNA?DNA may be defined as a type of molecule that is significantly found inside each cell that contains the genetic information responsible for the development and function of an organism. It stands for deoxyribonucleic acid.
The amount of DNA from both parents is equally inherited by the students. But the main thing behind this concept is that the child shares more similarities with his mother's side of the family due to DNA fingerprinting.
While this mechanism creates variation when it comes to the father's side. And hence it provokes more differentiation with respect to father.
Therefore, it is well described above.
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how long is the bacterium
Answer:
Most bacteria are from 1 to 10 micrometers long. For every step down in scientific notation (100 to 10-1), an item gets 10 times smaller. 10-5 is 1,000 times (10 x 10 x 10) smaller than 10-2
Explanation:
Answer:
Most bacteria are from 1 to 10 micrometers long. For every step down in scientific notation (100 to 10-1), an item gets 10 times smaller. 10-5 is 1,000 times (10 x 10 x 10) smaller than 10-2
Explanation:
correct me if i'm wrongList 3 body systems that both humans and fish have in common.
Answer:
The systems areRespiratory systemDigestive systemExcretory system.The 3 body systems that both humans and fish have in common are circulatory, respiratory and digestive system.
What is body system?When we breathe in air, our lungs pull oxygen from it and transmit it into our bloodstream while also producing carbon dioxide. The gills function similarly in the majority of fish, although not all.
Fish consume food through their mouths, then they digest it in their esophagus.
The pyloric caeca, which are finger-shaped pouches that process food in the stomach and secrete digestive enzymes and absorb nutrients, are found in many fish.
Cold-blooded aquatic vertebrates called fish can be found in both freshwater and saltwater.
Similar to humans, they have a closed circulatory system in which a network of blood arteries keeps the blood constantly contained.
Thus, these are the three body systems.
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The fluidity of the plasma membrane is primarily provided by the ______.
Answer:
The fluidity of the plasma membrane is primarily provided by the Phospholipids
Plants produce hormones to help them regulate important processes, such as growth and response to the environment. Hormones produced in one part of the plant may affect cells in a different part of the plant. What type of tissue carries hormones through the body of a plant?
Vascular tissue
Reproductive tissue
Dermal tissue
Ground tissue
Answer:
vascular tissues
hope it helps :)
Answer:
vascular tissue
Explanation:
In plants, hormones travel large throughout the body via the vascular tissue (xylem and phloem) and cell-to-cell via plasmodesmata.
Is it mitosis or meiosis when it makes cells with 23 chromosomes in humans?
The digestive system relies on the
system to deliver the nutrients to the entire
body of the organism.
Answer:
The digestive system relies on the circulatory system to deliver the nutrients to the entire body of the organism.
Explanation:
» Concepts
The function of the digestive system is to break down food into nutrients for your body to use as energy. However, once the food is broken down, the nutrients pass onto the bloodstream. Then, the circulatory system takes action and transports them throughout your body.
Which term names part of the peripheral nervous system?.
Answer:
somatic and autonomous nervous system
Explanation:
the peripheral nervous system is divided into two parts.somatic and autonomous nervous system,each of these components play a critical role in how the peripheral nervous system operates.
The spinal cord extends from the foramen magnum of the occipital bone to the
The spinal cord extends from the foramen magnum of the occipital bone to the lumbar vertebra.
What do you mean by Spinal cord?The Spinal cord may be defined as a queue of nerve tissue that runs from the bottom of the skull down to the center of the back.
The foramen magnum is a large opening of your skull at the bottom. The nerves from the brain directly go through this region and join the spinal cord to the brain.
Therefore, the spinal cord extends from the foramen magnum of the occipital bone to the lumbar vertebra.
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What molecule do red blood cells more readily bind with if they are given a choice between it and O2?
Answer:
Hemoglobin is a protein found in red blood cells that is comprised of two alpha and two beta subunits that surround an iron-containing heme group. Oxygen readily binds this heme group.
Hey can someone please help me with these questions. Im having a hard time with them.
Answer:
See below.
Explanation:
1. C. an increase in clean water sources.
If we think about this in terms of humans, our growing population, this should be the correct answer. Through the creation and usage of carbon emissions (ie. using gas to power cars and the smoke that comes out as exhaust in those cars) decreases are quality quickly. Additionally, this directly relates to an increase of global warming, as the contribution of greenhouse gases ups the temperature on earth. As wood and the materials with it are a large source of material for us, deforestation is common and happens all the time, so that in itself (along with all the other points stated) are direct contributions/ causes of our growing population.
Thus, the answer will be C.
2. B. Burning fossil fuels in power plants.
Dumping waste matter into ocean waters doesn't essentially rise the temperature of the earth, as is defined as global warming. It's bad, yes, but not a direct/ big contributor to it. Using pesticides on agricultural crops, too, doesn't necessarily affect global warming as much as the other options provided. Now, in clearing native forests with industrialization, that's where it gets tricky. We use machines and whatnot to do this, so you could say that this is a huge factor. However, this isn't the case, as global warming is most affected by the burning of fossil fuels (you know- "warming" and "burning" do kinda correlate for a reason here).
Thus, the answer is B.
3. C. the increased supply of resources.
Graph 2 starts to go up slightly before it skyrockets upward, slowly starting to level out afterward, yes? So, what'll be the cause of this. Obviously if there's something increasing this and the population, a decrease won't be the answer. Additionally, if we're assuming both graph start out with the same amount of resources, then the demand would still be high, right? So our answer cannot be D. Now we're left with options A and C. While A may seem like a correct answer, this scenario depends more on quantity as opposed to quality (it won't matter how good the resources are if you don't have enough of it), so this will leave our answer to then be C.
4. D. for about 3 months.
If we take a look at the graph and where the carrying capacity is finally reached, we'll see this moment in time is on August 1st. Now, if we've initially started documenting this rabbit population on May 1st, we'll understand that there is a three month gap between them, thus providing us with the answer of 3 months.
If this is still a bit confusing as to why it's not 4 months (which may not be a problem for you but it always was when I was younger), you can think of it as this:
May to June is 1 month. June to July is 2 months. July to August is 3 months.
5. F. more access to contraception
Now, a few of these you can cross out quickly. It won't be option B because that would indicate a high jump in growth rate, it won't be option C because that has no direct impact on anything in this scenario, it won't be option D because high education is available in many places (meaning that it wouldn't affect anything in a specifically more developed country), and it won't be option E because that would lead to an increase. Now we're left with options A and F- which one is it?
A higher cost of living would definitely deter people from having kids, but would it lead to a slower growth rate? Not necessarily. People still have kids in harsh times, so that's not necessarily what would be the leading cause. More access to contraception, however, would lead to a slower growth rate. If people have more access to the means of not stopping them from having kids, and then they choose to take this option, then this would be the correct answer.
Which is the only private park in the world to be declared a united nations international biosphere reserve?.
Which is the correct amino acid sequence for the dna sequence ctt aag cat
Answer:
gaa ttc gta
Explanation:
Following complementary base pairing. For DNA, adenine always pairs with thymine, and cytosine does the same with guanine.
What is the importance of biodiversity?
Answer:
Biodiversity is essential for the processes that support all life on Earth, including humans.
Explanation:
Biodiversity is essential for the processes that support all life on Earth, including humans. Without a wide range of animals, plants, and microorganisms, we cannot have the healthy ecosystems that we rely on to provide us with the air we breathe and the food we eat. And people also value nature of itself.
Which of these organisms are the most closely related? Remember, the name
of an organism is in the form Genus species.
A. Eudocimus albus and Ardea albus
O
B. Pituophis melanoleucus and Thamnophis proximus
O
C. Egretta thula and Platalea ajaja
D. Nerodia sipedon and Nerodia fasciata
Answer:
D
Explanation:
Because they are from the same genus if the species is same they are not closely related because it is the same animal the genus being same is the one most related
The organisms which are the most closely related are: Nerodia sipedon and Nerodia fasciata. The correct option is D.
What are closely related species?The relationship between two species in a phylogenetic tree has a very clear significance. If two species have a more recent common ancestor, they are more connected, and if they share a more distant ancestor, they are less related.
Nerodia sipedon and Nerodia fasciata are the most closely related organisms among the given options. This is because they share the same genus (Nerodia), indicating a closer evolutionary relationship.
When two species belong to the same genus, it means they share more common ancestry and characteristics compared to species from different genera.
Therefore, the correct option is D.
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the process by which the genetic code of dna is copied
Answer:
Replication or DNA Copying is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. DNA replication is one of the most basic processes that occurs within a cell.
Answer:
replication
Explanation:
copying a molecule dna
Closed systems in
nature are:
A. rare because most systems
need matter plus an in-flow of
constant energy to survive.
B. the most common type of
system found in nature.
C. open to matter, but not
energy.
D. ONLY open to matter.
Answer:
option A is the correct answer of given statement rare because most matter + and in flow of constant energy to survive
All adaptations are physical. A. True B. False
Answer:
False
Explanation:
Adaptations are any behavioral or physical characteristics of an animal that help it to survive in its environment.
Answer:
False
Explanation:
An adaption can be both physical and behavioral. For example, villi have microvilli as an adaption which is physical but your behave is adapted to act in some common way in a situation which is also common
ur momther is gay what happens to the husband
Answer:
ya ever heard of role reversal......
Cam someone make me a Ecology summary please
Answer:
Ecology is the study of how living organisms interact with each other and with their environment. Abiotic factors are the parts of the environment that have never been alive, while biotic factors are the parts of the environment that are alive, or were alive and then died.
Water cyclewater cyclewater cyclewater cyclewater cyclewater cycle
For 10 points, what’s the formula of riding a bike? lmk‼️‼️
Answer:
Inertia forces + gyroscopic forces + the effects of gravity and centrifugal forces = the leaning of the body
How does cytolysis occur via the complement pathway?.
Answer:
The complement proteins C3a and C5a lead to the release of histamines, resulting in inflammation and chemotaxis. How does cytolysis occur via the complement pathway? Disrupting cell wall of pathogens Stimulation of the inflammatory response Triggering the release of histamine Formation of the MAC in invading cells, killing them
Explanation:
Which statement about solar energy is true? A) B) D) The Sun provides less energy that the Earth's core. Solar energy provides most of the energy that people use. Solar energy is released by volcanic eruptions and hot springs. The Sun provides nearly all the surface energy needed for life on Earth.
The true statement about solar energy is the Sun provides nearly all the surface energy needed for life on Earth.
What is solar energy?Solar energy is the energy in the form of electromagnetic radiation emitted from the Sun.
Solar energy is that part of energy that is converted into usable thermal or electrical energy by man.
Therefore, true statement about solar energy is the Sun provides nearly all the surface energy needed for life on Earth.
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List the ways eukaryotic cells can modify the original mrna transcript.
Answer:
The pre-mRNA has to go through some modifications to become a mature mRNA molecule that can leave the nucleus and be translated.
Explanation:
Eukaryotic pre-mRNAs are modified with a 5' methylguanosine cap and a poly-A tail. These structures protect the mature mRNA from degradation and help export it from the nucleus. These include splicing, capping, and addition of a poly-A tail, all of which can potentially be regulated – sped up, slowed down, or altered to result in a different product.
I hope this helps. :).
what is an animal cell??
Please help me!
What is the definition of Principle of Common Descent?
A, B, Or C?
A. Similar patterns of embryological development provide further evidence that organisms have descended from a common ancestor
B. All species - living and extinct - are descended from ancient common ancestors
C. At the molecular level, the universal genetic code and homologous molecules provide evidence of common descent
Answer:
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FFA activity is mostly centered around:
religious centers.
libraries.
elementary schools.
high schools.
FFA helps the next generation of leaders. FFA helps to make a positive difference in the lives of students through potential development for premier leadership, personal growth, and success in career through agricultural education. It is mostly centered around elementary schools.
What is FFA?FFA refers to the Future Farmers of America. It is actually a student organization for the people who are interested in agriculture and leadership.
It is one of the three components of education in agriculture.
It primarily focuses on the elementary schools to develop leaders among them.
Thus, the correct option is C.
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What can be said about DNA replication
DNA replication is the method by which a double-stranded DNA molecule is replicated to produce two similar DNA molecules.
Copy is an important method because, whenever a cell divides, the two new daughter cells must have the same genetic information, or DNA, as the parent cell.
What does DNA replication mean in your own words?DNA replication is the method by which the genome's DNA is replicated in cells.
A cell divides, it must first copy its entire genome so that each resulting daughter cell ends up with its own full genome.
Thus, Copy is an important method because, whenever a cell divides, the two new daughter cells must have the same genetic information, or DNA, as the parent cell.
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