Answer:
A. The change is not carried forward to the progeny of the organism.
Explanation:
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A student performed an investigation on the homeostasis of red blood cells and the effect of different environmental conditions on the red blood cells. Images of the results of the investigation were captured under the microscope and are illustrated here. Which statements are supported by the results of the investigation? Select ALL that apply.
Answer:A,B,E
Explanation:
That’s what the answer is
The correct option are A,B and E of the homeostasis of red blood cells and the effect of different environmental conditions on the red blood cells.
Let's learn more about this condition
Homeostasis:A property of cells, tissues, and organisms that allows the maintenance and regulation of the stability and constancy needed to function properly.
Red blood cells condition in resuled image:Slide I: Is hypertonic condition which means the solution with the higher solute concentration.Slide II: Is isotonic condition which means solutions of equal solute concentration.Slide III: Is hypotonic condition which means solution with the lower solute concentration.Thus, we can conclude that slide II is only in homeostasis condition.
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What environmental factors can
lead to genetic variations?
Answer:
The main environmental factors that lead to genetic variation is a change in temperature and light.
Explanation:
Which is a characteristic of fast-twitch muscle fibers?
A. They contain more myoglobin than slowt-witch fibers.
B. They are resistant to fatigue.
C. They have fewer mitochondria than slow-twitch fibers.
D. They require high amounts of oxygen in order to function
Answer:
The answer is C.
Explanation:
Due to fewer capillaries, mitochondria, myoglobin, and lower oxygen transport, type II- fast twitch muscle fibers are "fast" or quick to fatigue. With their short-term contractions, they also create greater force and strength.
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Insulin from the pancreas allows the liver to convert excess glucose into glycogen. Blood glucose levels fall. What organ system is in charge of this?
Answer:
Endocrine System
Explanation:
Can you please help to fine if these are true or false please
Answer:
all of it is true in all the sentences there(/maybe)
What was the idea that the Earth was the center of the solar system called, and why was this originally the common belief about our solar system?
Answer:
geocentrism. Geocentrism was an accepted truth until the Polish astronomer Nicolaus Copernicus came along. In 1543, Copernicus proved through his observations and mathematical calculations that the earth actually revolved around the sun. This view is called heliocentrism.
Explanation:
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how can natural selection occur in a population over time?
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Which of the following is NOT a problem cells face as they
grow larger and larger?
A cell could potentially burst
B increased cost to transport of waste in/out of cell
C communication between cell parts takes longer
D decreased cost to move materials in/out of the cell
Answer:
A
Explanation:
cells literally never burst. Before burst they have already got replaced by new onesAs the cells grow they can grow to a particular extent ,later they don't grow .so they're never bursted .Option A
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Which type cell type primarily forms the lateral olfactory tract, which projects to many areas in the brain
Answer:
the mitral/ tufted cells
Why are earthworms and insects called "protostomes"?
Answer:
This is because protostomes are animals such as flatworms, nematodes, segmented worms, mollusks, and arthropods. Each of these groups may have their own unique body plan, but no matter how different they appear on the outside, they all share the same basic characteristics inside that make them protostomes.
Explanation:
This is because protostomes are animals such as flatworms, nematodes, segmented worms, mollusks, and arthropods. Each of these groups may have their own unique body plan, but no matter how different they appear on the outside, they all share the same basic characteristics inside that make them protostomes.
The amount of light absorbed in spectroscopy is defined by.
Spectrophotometry is a method to measure how much a chemical substance absorbs light by measuring the intensity of light as a beam of light passes through sample solution. The basic principle is that e ach compound absorbs or transmits light over a certain range of wavelength.
The amount of light absorbed in spectroscopy is defined by measuring the intensity of light when a beam of a particular wavelength passes the sample solution.
What is Spectroscopy?Spectroscopy may be defined as a type of technique that measures how much light is absorbed by any solution at a specific wavelength.
Spectroscopy is mainly used for investigating the structure and configuration of atoms and molecules. It is also used in finding the unknown chemical composition of materials in any solution.
Therefore, it is well described above.
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The increase in blood flow to exercising active skeletal muscle relative to other organs is largely caused by the
Answer:
muscle contraction increases interstitial fluid pressure and compresses the blood vessels within the active muscle. As a consequence, blood flow is highest when muscles relax between successive muscle contractions.
Explanation:
The fluid-mosaic model considers the cellular membranes to consist of ________ layer(s) of phospholipid molecules and that the individual phospholipid
Answer:
2 layers-
Explanation:
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(iii) Why was the concentration of blood sugar slowly falling during the first hour?
Answer:
food and physical activity choices, some medications, and skipping or not taking enough glucose-lowering medication
How do tallgrass, mixed grass, and short grass prairies differ from savannas?
A. The prairies are tropical grasslands, and savannas are temperate grasslands.
B. The prairies receive less rainfall than savannas.
C. The prairies receive more rainfall than savannas.
D. The prairies are temperate grasslands, and savannas are tropical grasslands.
The prairies are temperate grasslands, and savannas are tropical grasslands (Option D). It is the most important difference between both biomes.
What is grassland?A grassland is a type of biome dominated by grasses as the most important type of vegetation.
A prairie is a temperate grassland located at mid-latitudes on the Earth, whereas a Savana is located at low latitudes.
In consequence, the amount of solar radiation received by these grassland biomes will be different.
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Answer:
The answer to this question is answer D The prairies are tropical grasslands, and savannas are temperate grasslands.
Grasslands:
A grassland is a type of biome dominated by grasses as the most important type of vegetation.
A prairie is a temperate grassland located at mid-latitudes on the Earth, whereas a Savana is located at low latitudes.
In consequence, the amount of solar radiation received by these grassland biomes will be different.
Which stage is the last stage of speciation? Question 5 options: The populations become adapted to different environments and eventually become so different that they cannot interbreed to produce fertile offspring. The populations successfully interbreed. The populations become totally separated from one another. The populations are isolated and thus do not interbreed.
The stage is the last stage of speciation The populations become adapted to different environments and eventually become so different that they cannot interbreed to produce fertile offspring.
Speciation is split into 3 stages:
a) Separation.
b) Adaptation.
c) Reproductive Isolation.
Stage 1 Separation
A part of the populace separates and adapts to a brand new environment. Natural occasions along with tsunamis, tidal waves can reason organisms to split from their preliminary habitat to a brand new environment.Stage 2: Adaptation.
At this stage, the organisms evolve new trends that permit them to a brand new environment. They own sure traits that permit them to match into the brand new environment. Example The notable white skin's color makes it tough for it to be visible withinside the dark.Stage 3: Reproductive Isolation.
At this stage, organisms of the equal species reunite and do now no longer interbreed. e, species are remoted into new ones in order that they have the great diversifications for or her new habitat.What is speciation?Speciation is an evolutionary method where the new species arises from previous ones.
Hence concluded that speciation involves the stage where the populations become adapted to different environments and eventually become so different that they cannot interbreed to produce fertile offspring.
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Answer:
The populations become adapted to different environments and eventually become so different that they cannot interbreed to produce fertile offspring.
Explanation:
What happens when two continental plates collide?
[SCIENCE]
Answer:
When two continental plates collied (on land) a mountain range can be created.
2. Eukaryotes have Organelles. Prokaryotes don't. Organelles are specialized parts
of a cell that serve a specific function. What do Mitochondria do ?
a.) Turn glucose into ATP... a usable form of fuel for other organelles so they can
do work.
I
b.) Turn DNA-mRNA into protein.
Answer:
a) Mitochondria are the powerhouse of the cell which means they fuel the cell and give it energy to perform eukaryotic functions bro
Explanation:
it's muscle memory atp
A population of rabbits gives birth to an average of eight kits (baby rabbits) per litter, and it only has one predator. However, an average of only two kits per litter actually lives to maturity. Which of these might explain this low survival rate?
A. There is enough water in the region to support six kits per litter
B. A population of bobcats depends on the rabbits for food
C. There is enough grass to feed up to nine kits per litter
D. A population of birds lives nearby that does not prey on rabbits or eat their food
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Answer:
D. A population of birds lives nearby that does not prey on rabbits or eat their food
Explanation:
I am sorry if it is wrong
The smallest biological unit that can evolve is the.
Answer:
A population is the smallest unit of living organisms that can undergo evolution within a given species.
Explanation:
Which event will result in a phenotypic change in the offspring of a human?
A mutation caused a phenotypic change in an organism's offspring is seen when a phenotypic change in the offspring of a human.
What do you mean by mutations?A change in the usual DNA sequence at a particular gene locus. Although the term often has a negative connotation, mutations (including polymorphisms) can be harmful, beneficial, or neutral in their effect on cell function.
When a gene mutation occurs, the nucleotides are in the wrong order which means the coded instructions are wrong and faulty proteins are made or control switches are changed.
Mutations can result from errors in DNA replication during cell division, exposure to mutagens or a viral infection.
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Myelination in areas of the brain that are important in focusing attention is not sufficient until an individual reaches approximately which age
What are the advantages and disadvantages of reproducing by spores.
Explanation:
These spores can be produced quickly and in large numbers to enable many individual fungi to develop. A disadvantage of these spores is that they generate offspring that are unlikely to be resistant to unfavourable conditions because they are all genetically identical.
Advantages The organism does not need male and female reproductive organs.Organisms do not waste their energy unnecessarily in producing male and female gametes.Large numbers of spores are produced in one sporangium.Spores do not require any medium for dispersal. They are rounded and very light in weight and hence can be easily transferred for germination.Spores are distributed easily by air to far-off places to avoid competition at one place.Spores are covered with thick walls to prevent dehydration under unfavourable conditions.Disadvantages :A disadvantage is that the spores will be clones of the original organism, leaving them vulnerable. Spore reproduction is quick and multiplies many at once, hence the population will increase and survival chances are high. They remain dormant till favourable conditions are available. As they are light, they can be carried by wind and hence can start growing in different regionsA student investigated the effect of the color of light on the growth of plants. Red, yellow, and green lights were used in the experiment. If another student were to conduct the same experiment, which would be the most important procedure to follow to yield the same results?
Answer:
The student recreating the experiment should use the same plants,lights,soil, and equipment
Explanation:
Examine the population changes in the graph below. All three species are types of rodents.
Populations: Prairie Species
800
700
600
A species X
species Y
500
• species 2
400
300
200
100
0
2000 2002 2004 2006 2008 2010
Year
Population
What most likely happened to the prairie ecosystem between 2004 and 2006?
A. A predator of species X was introduced to the prairie.
w
ОВ.
The prairie ecosystem experienced a drought.
C. Competition decreased in the prairie ecosystem
D.
The prairie species increased in number
Answer:
The prairie ecosystem experienced a drought.
Explanation:
in what trophic level is the wombat in
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Answer:
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Explanation:
Why are microorganisms such as fungi, bacteria, and archaeons so important to the carbon cycle?.
Explanation:
Fungi
The prominent role of fungi in the environment is in the carbon cycle, during the process of decomposition, especially in the soil.
Algae
The algae are also an important part of the carbon cycle. They are the predominant photosynthetic organisms in many aquatic environments. The algae are autotrophs, which means they use carbon dioxide (CO2) as a source of carbon for growth. Hence they convert atmospheric CO2 into organic material (i.e., algal cells).
Prokaryotic bacteria and archaea
As a result of their diversity and unique types of metabolism, are involved in the cycles of virtually all essential elements. Methanogenesis (conversion of carbon dioxide into methane) are unique to prokaryotes and earns them their "essential role" in the carbon cycle.
Bacterial heterotrophs
They are important in the carbon chain for the processes of biodegradation and decomposition under aerobic and anaerobic conditions.
In bacteria, there is a unique type of photosynthesis that does not use H2O or produce O2 which impacts on the carbon and sulfur cycles.
Cyanobacteria fix CO2 and produce O2 during photosynthesis, and they make a very large contribution to the carbon and oxygen cycles.
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Which layer of the digestive tract is composed of epithelial tissue and may contain folds and mucus-secreting glands
Answer:
The mucosa consists of epithelium, an underlying loose connective tissue layer called lamina propria, and a thin layer of smooth muscle called the muscularis mucosa.