which of the following lists is a member of a food chain in order from bottom to top?
Answer:
B
Explanation:
The predator will always be on top unless something eats them, The bear eats salmon, the salmon eats the grasshopper and since grass does not eat anything excepting water it goes on the very bottom
A planarian is an example of a(n) _______________ which is also a(n) _______________.
Group of answer choices
deuterostome; triploblast
triploblast; pseudocoelomate
triploblast; coelomate
triploblast; acoelomate
A planarian is an example of a triploblast and is also an acoelomate as it does not have a coelom but still has a gut cavity. correct answer is triploblast; acoelomate.
A planarian is an example of a triploblast, which is an organism that has three primary germ layers: ectoderm, mesoderm, and endoderm. In the context of body cavity development, planarians are classified as acoelomates because they do not have a coelom. Their mesoderm is completely filled with tissue, but they still have a gut cavity. Animals such as planarians that belong to the phylum Platyhelminthes exhibit this trait, distinguishing them from eucoelomates, which have a true coelom, and from pseudocoelomates, which have a body cavity that is not completely lined by mesoderm. correct answer is triploblast; acoelomate.
Where do chemosyntheic bacteria get their energy
Answer:
They get their energy from the oxidation of inorganic molecules.
They don't do photosynthesis
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In all cells, the renewable energy source is
Answer:
The answer is ATP (adenosine tri phosphate).This is the main source of energy that is used by the cells of the body is. All the metabolic processes requires energy to function properly. The cell break the bond and converts adenosine triphosphate into adenosine di phosphate (ADP) through the process of hydrolysis. One the ATP is utilized by the cells it is recycled by cellular respiration ,where it needs phosphate group to store energy.
Explanation:
Which of these can form above a limestone cave?
a. Earthquake
b. Sinkhole
C. Mudslide
Answer:
Sinkhole
Explanation:
A sinkhole can appear near areas that have soft minerals, including limestone.
Which activities are examples of science challenging society? Check all that apply
-mining of coal for energy
-cloning for organ transplants
-Creating laws and regulations
-researching use of stem-cells
-using electricity
the answer is all except
creating laws and regulation
Answer:
1, 2, 4, 5
Explanation:
If a person has type o, what type of blood would he/she not able to receive
Answer:
Explanation:
I dont know at all
Answer:
A person with type o blood can only receive type o blood, so anything that's not type o they can't receive
Explanation:
I hate how I worded that but I think you get the idea lol
What kinds of plants, haploid or diploid, are the mosses that can be seen coating tree
trunks, rocks, and other surfaces?
Answer:
Haploid plants would grow on surfaces like trees and rocks.
Which of the following controls the activity of all the others?
ovaries
testes
hypothalamus
pituitary glands
Answer:
Pituitary Glands
Explanation:
Show all of your work
2. In humans, albinism(a) is recessive to normal skin pigmentation(A). A man with normal skin pigmentation whose mother was an albino, marries an albino woman. Predict the phenotype ratio of their children.
Answer:
if the man's genotype was Aa then the phenotype of their children would be: 50% albino and 50% normal skin pigmentation.
if the man's genotype was AA then the phenotype of their children would be: 100% normal skin pigmentation.
Explanation:
I almost completely doubt that the answer is the second one since the mom was albino then he has to have the trait in him some where and so his genotype would be Aa. However, I gave you both answers just in case but trust me if u choose one I suggest the first one (50% 50%) because it is the most accurate considering his mom was albino.
Which organisms are tertiary consumers? Check all
that apply
penguin
cod
elephant seal
killer whale
krill
squid
leopard seal
zooplankton
Answer
1) Penguin
3) Elephant seal
4) Killer whale
7) Leopard seal
Explanation:
Answer:
A,C,D,G
Explanation:
These are the Tertiary consumers, the rest of the animals are not tertiary consumers.
Which of India’s regions is the most highly populated?
Answer:
Ganges River valley is most populated.
Explanation:
has the highest population.
Answer:
North India
Explanation:
A female rabbit had eight babies. Six of the babies were black and two were white. In rabbits, the allele for black fur (B) is dominant to the allele for white fur (b). What genotype in the mother and father rabbits could produce this outcome in the phenotypes of their offspring? Write a scientific explanation that explains the genotype of the female and male rabbits.
The dad is this case would either have a BB or a Bb genotype and the mother would have a bb genotype. Their babies that are white would be bb and black would be Bb.
What is the main source of genes of every rabbit baby?Every baby which gets one gene from its mother and the another from its father. These white babies will have received one b allele from their mother and one b allele from the father and the black babies might have gotten a b allelle from the mom and a B from their father.
The color between the two alleles A of the chromosomes are identical, while the color alleles B of the two chromosomes is different, the one that is a high appears darker and the one that is below appears clearer, so it means they are different, so they are heterozygous. An allele is one of the different forms that can take the same gene. Alleles occupy the same position (locus) on homologous chromosomes.
Therefore, The dad is this case would either have a BB or a Bb genotype and the mother would have a bb genotype. Their babies that are white would be bb and black would be Bb.
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Final answer:
The genotypes of the mother and father rabbits that could produce this outcome in the phenotypes of their offspring are Bb and Bb. Both rabbits must be heterozygous for the black fur allele (Bb) in order to produce a ratio of six black babies to two white babies in their offspring.
Explanation:
The genotypes of the mother and father rabbits that could produce this outcome in the phenotypes of their offspring are Bb and Bb. The black fur allele (B) is dominant to the white fur allele (b). Since six of the babies were black and two were white, it means that the ratio of black to white offspring is 3:1, which is consistent with Mendel's Law of Segregation. In this case, both the mother and father rabbits must be heterozygous for the black fur allele (Bb) in order to produce this phenotypic ratio in their offspring.
Explain how a reduction in the nutrients in the upper layers of the ocean could lead to a decrease in the numbers of forage fish such as anchoveta.
Answer:
The explanation can be found below:
Explanation:
In an aquatic ecosystem, organisms feed on one another as food source to acquire energy. This feeding pattern is termed as FOOD CHAIN. Food Chain of an aquatic ecosystem begins with producers like phytoplanktons and progresses. These phytoplanktons e.g algae, which are mostly microscopic require certain nutrients e.g phosphate for growth. They tend to bloom in the presence of abundant nutrients in the upper layer of the water body.
However, in a case where the nutrients reduces, this means that the rate at which these phytoplanktons grow will also decrease. Fishes like Anchoveta feeds directly on phytoplanktons in the aquatic food chain. A decrease in the amount of phytoplanktons in the water body means there would be less to feed on by the forage fishes, hence, gradually reducing their population.
Hence, in a nutshell, a reduction in available water nutrients will lead to a reduction in the growth rate of phytoplanktons, which will utterly result in a decrease in the numbers of forage fishes.
A drop in accessible water nutrients will result in a fall in the growth rate of phytoplanktons, resulting in a decrease in the number of forage fishes.
Food ChainIn an aquatic environment, organisms feed on one another for food and energy. This feeding pattern is known as the food chain. An aquatic ecosystem's food chain begins with producers such as phytoplanktons and advances. These phytoplanktons, which are primarily tiny, require particular nutrients, such as phosphate, to flourish. They tend to bloom in the presence of rich nutrients in the water body's upper layer.If the nutrients are reduced, the pace at which these phytoplanktons grow will also be reduced. Anchoveta fishes graze directly on phytoplanktons in the aquatic food chain. A decrease in the amount of phytoplanktons in the water body means that forage fishes have less to eat on, gradually diminishing their population.In a nutshell, a drop in accessible water nutrients will result in a fall in the growth rate of phytoplanktons, resulting in a decrease in the number of forage fishes.For more information:
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Paramecia are heterotrophs. Explain this statement.
Answer:
Paramecium are heterotrophs, meaning they must consume food for their energy. Food enters the paramecium through the mouth pore (color orange) and goes to the gullet (color dark blue).
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A collection of gas, dust and stars
galaxy
dark nebula
planetary nebula
emission nebula
Answer:
We sometimes use the word "nebula" to refer to galaxies, various types of star clusters and various kinds of interstellar dust/gas clouds. ... Dark nebulae are also often seen in conjunction with reflection and emission nebulae. A typical ... Planetary nebulae are shells of gas thrown out by some stars near the end of their lives.
Explanation:
In space, a collection of gas, dust, and stars can be part of a galaxy or form different types of nebulae, including dark nebulae, planetary nebulae, emission nebulae, and reflection nebulae. The type and visibility of the nebula depend on the interaction with light and the temperature and radiation of nearby stars.
A collection of gas, dust, and stars can be classified as various types of interstellar matter, such as galaxies, dark nebulae, planetary nebulae, and emission nebulae. However, the term nebula is specifically used today to refer to clouds of gas and dust in space. There are several types of nebulae:
Galaxy: A massive system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity.
Dark Nebula: A dense cloud of gas and dust that blocks the light from stars behind it, making it appear dark.
Planetary Nebula: A shell of gas ejected and expanding away from a dying low-mass star, with its glow often caused by ultraviolet energy from the central star.
Emission Nebula: A cloud of ionized gas emitting light of various colors, often illuminated by the ultraviolet light from nearby stars, typically hotter and more massive stars, causing the gas to glow brightly.
Reflection Nebula: A cloud of dust that reflects the light of nearby stars, often appearing blue because the dust scatters blue light more efficiently than red light.
The types of nebulae are characterized by their interaction with light and the types of stars they surround. Stars cooler than about 25,000 K do not emit sufficient ultraviolet radiation to ionize hydrogen, leading to the reflection nebulae around them appearing brighter than their emission counterparts. The converse is true for stars hotter than 25,000 K as they produce enough ultraviolet energy to make the surrounding emission nebulae outshine reflection nebulae.
Human development begins with a(n)
which is created when
join and thdas
first cell division takes place
Answer:
Zygote, the nucleus of male and female gametes join, mitosis
Explanation:
The human belongs to the animal kingdom which begins their life when the male and female gametes fuse through a process called Fertilization.
The process of fertilization involves the fusion of the nucleus or the genetic material of the male and female gametes. The process forms a diploid cellular structure called the zygote. After the formation of the zygote, the first cell division or mitosis produces the embryo which develops into an organism.
Answer:
embryo and gametes
What is the reason that human skin cells frequently undergo mitosis?
Answer:
Keratin
Explanation:
The epidermis cells are constantly undergoing mitosis so that the outer dead cells containing keratin are rapidly replaced as they fall off, which occurs after so many days.
How do organisms and populations depend upon biotic and abiotic factors in their ecosystem?
Which of the following is converted into chemical energy during photosynthesis?
a. oxygen
b. sound energy
c. light energy
d. glucose
The light energy should be converted into chemical energy at the time of photosynthesis.
What is photosynthesis?Here the plants should be used the process which we known as photosynthesis to convert the light energy or solar energy into chemical energy. Here the plants should made their own food via carbon dioxide and the water should remain in exist in the sunlight and chlorophyll. here the oxygen should be released and the glucose should be generated.
Hence, the option c is correct.
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Why is the tidal range smaller duringa Neap tide than it is during a Spring Tide?
Answer:
Spring tides have higher high tides and lower low tides whereas neap tides have lower high tides and higher low tides. Hence, the range (difference in water level between high and low tide) is much larger in a spring tide than in a low tide.
Explanation:
Answer:
When this happens, the bulge of the ocean caused by the sun partially cancels out the bulge of the ocean caused by the moon. This produces moderate tides known as neap tides, meaning that high tides are a little lower and low tides are a little higher than average.
Explanation:
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A plant is grown in a pot, and is placed next to a window. Sunlight
comes in through the window every day. After a week, which way will
the plant be growing?
Answer:it will grow to the left
Explanation:the way the sunlight is hitting your plant your root will directly flow to the left
The gases of our air are colored and have an odor. *
O
True
O
False
Answer:
true
Explanation:
Gases, like other forms of matter, have physical properties such as color, odor, and taste. In general, gases tend to be colorless and odorless, although some important exceptions exist.
What does the term endothermic refer to?
Answer:
Explanation:
The definition of endothermic is a chemical reaction that is accompanied by the absorption of heat, or an organism that generates heat to maintain its temperature. A chemical reaction that works only if heat is absorbed is an example of a reaction that would be described as endothermic.
Answer: The word endothermic describes a process or reaction in which the system absorbs energy from its surroundings in the form of heat.
Explanation:
Opposed to exothermic (the process in which a chemical change that is accompanied by a liberation of heat occurs), an endothermic process absorbs energy from its surroundings in the form of heat.
Label the diagram of the sun
Diagram of the sun.
The sun is the old star in the solar system that is able of generating light and heat that reaches all corners of the universe. The sun is arranged into various layers such as those of the sub-layers are the photosphere, chromosphere, and other layers.
Thus the answer is 1. chromosphere, 2. photosphere, 3. inner core, 4. corona, 6. Prominence.
The layers of the sun are arranged and they refer to the way the sun is made and composed. As the sun is a mix of hydrogen and helium gases that are made from the fusion and fission of atoms. The layer helps the sun to be a star.Learn more about the diagram of the sun.
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The Sun comprises a core with nuclear fusion, a radiative zone for energy transport, a convection zone with plasma currents, a visible photosphere, a reddish chromosphere, a transition region, and a hot outer corona extending into space.
Core: At the Sun's core, temperatures and pressures are extremely high, allowing nuclear fusion to occur. Hydrogen atoms fuse to form helium, releasing an enormous amount of energy in the process.
Radiative Zone: Energy produced in the core is transported outward through the radiative zone. Photons generated in the core travel through this zone, bouncing between particles, gradually making their way to the surface.
Photosphere: The Sun's visible surface is the photosphere. This is where most of the Sun's energy is emitted as light and heat. Sunspots, which are cooler and darker areas, can be observed on the photosphere.
Chromosphere: Above the photosphere lies the chromosphere, a layer of the Sun's atmosphere. It is characterized by a reddish glow and is visible during solar eclipses.
Corona: The outermost layer of the Sun's atmosphere is the corona. It is composed of extremely hot, ionized gas, and it extends into space. The corona is visible during a solar eclipse.
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Fevers are caused by: a. Fibrinogen acting on the fever tissues b. Fibrinogen acting on the hypothalamus c. Pyrogen acting on the fever tissuesd. Pyrogen acting on the hypothalamus
Answer:
In response to an infection, illness, or some other cause, the hypothalamus may reset the body to a higher temperature. Although the most common causes of fever are common infections such as colds and gastroenteritis, other causes include: Infections of the ear, lung, skin, throat, bladder, or kidney
Explanation:
Answer:
ITS A
Explanation:
Nitrogen is a very important element in biology. What are some of the reasons that organisms need nitrogen?
Organisms need nitrogen because it is a crucial part of amino acids (the building blocks of proteins), vital for various biological processes, and nucleic acids, essential for cell replication and protein synthesis. In plants, nitrogen is necessary for chlorophyll production, thus photosynthesis.
Explanation:Nitrogen is an essential element that organisms need for several reasons. Primarily, nitrogen is a key component of amino acids, which are the building blocks of proteins. Proteins are necessary for almost all biological processes, including growth, immune response, and enzyme activities.
Besides, nitrogen is also a major part of nucleic acids such as DNA and RNA, which are vital for cell replication and protein synthesis. In plants, nitrogen is needed for chlorophyll production, which is crucial for photosynthesis. Without adequate nitrogen, organisms cannot grow and reproduce effectively.
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Tell if an elm tree would be vascular or non-vascular
18. There is a liquid capsule inside a cup full of liquid. The cup full of liquid has salt yn it and the
liquid capsule has no salt in it. In which direction will the solvent flow?
A From the capsule to the larger cup
B. The salt does not have to move
C. Equally between the capsule and the cup
- D. From the larger cup to the capsule
(01.02 MC)
Explain how living organisms are classified into different kingdoms,
Answer: All living organisms are classified by their characteristics.
Explanation: Each kingdom includes a set of organisms that share similar characteristics. The organisms in each Kingdom are considered biologically distinct from the others. The six Kingdoms are: Archaebacteria, Eubacteria, Fungi, Protista, Plants and Animals.