Answer:
The correct answer is B
Explanation:
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Which of the following traits is only found in vertebrates? question 5 options: a highly developed nervous system and internal skeleton a major function to obtain food and oxygen for energy multi-cellular bodies internal conditions are kept in balance
A highly developed nervous system and internal skeleton are traits found in vertebrates.
What is a Vertebrate?These are organisms which have the presence of a backbone which connects other bones to form the skeleton.
They also have highly developed nervous system due to the presence of spinal cord which is rich is nerve cells.
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What do biologists call a virus
that infects bacteria?
A
DNA
B
a bacteriophage
Answer:
Bacteriophage
Explanation:
A student is examining leaf cells. Which organelles are most likely to be missing from the cells?
ribosomes
chloroplasts
lysosomes
mitochondria
Answer:
lysosomes
Explanation:
lysosomes are most likely to be missing from the cells.
Chloroplasts are most likely to be missing from the cells. Therefore option B is correct.
Leaf cells, being part of the plant tissue specialized for photosynthesis, contain chloroplasts, which are the organelles responsible for photosynthesis.
Chloroplasts contain chlorophyll, a pigment that captures light energy and converts it into chemical energy through photosynthesis.
In contrast, the other organelles listed in the options (ribosomes, lysosomes, and mitochondria) are more likely to be present in leaf cells.
Ribosomes are essential organelles involved in protein synthesis, and they can be found in almost all types of cells, including leaf cells. They play a vital role in translating genetic information from the nucleus into functional proteins.
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Is there a difference between cell division and reproduction?
Answer:
yes!
Explanation:
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The cladogram above diagrams the evolutionary history of chordates. Which structural adaptation led to greater motion and a more diverse diet?
A) lungs B) true bone C) vertebrate D) jaws and paired appendages
Answer:
D) Jaws and paired appendages
Explanation:
what is anther name of a chain of amino acids
Answer:
Polypeptide
Explanation:
Answer:
polypeptides
Explanation:
A protein consists of one or more chains of amino acids (called polypeptides) whose sequence is encoded in a gene.
The picture above shows an ocean bay food chain. Sea otters move into the ocean bay. They eat all the sea urchins. This change will cause ______. Question 4 options: sea ducks to have less food. crabs to have more food. kelp to have less food. arctic foxes to have more food.
The introduction of sea otters into the ocean bay will cause sea ducks to have less food. Details about food chain can be found below.
What is food chain?Food chain is the linear relationship between organisms that shows how they feed on one another to derive energy.
According to this question, Sea otters move into the ocean bay and eat all the sea urchins.
This suggests that they reduce the food supply of another urchin consumer like sea ducks. Therefore, introduction of sea otters into the ocean bay will cause sea ducks to have less food.
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where do the animals you read about get the energy storage molecules they need to do the activities required for reproduction?
it is for science
The animals read about get the energy storage molecules they need to do the activities required for reproduction from the food they consume.
How do animals get energy?Energy is required by all living organisms to undergo their metabolism. This energy is utilized in form of ATP.
Animals get energy from the food they eat by breaking it down into glucose. The glucose then undergoes cellular respiration to produce ATP.
Therefore, the animals read about get the energy storage molecules they need to do the activities required for reproduction from the food they consume.
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Rattlesnake can’t see well , but they can detect temperature changes of three thousand of a degree Celsius.How could this be useful to the snakes ?
Answer:
Snakes need to know their surroundings, if a temperature change happens they know whether to take cover for their safety. Snakes also need to know where they can rest, snakes use heat for digestion and reproduction.
Explanation:
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What is the general shape of the graph?
answer: I need the picture if it gave you one, in order to find the answer
Hi I need help right now on my science/biology homework!!EMERGENCY!!!! By the way I have another question so please answer that too! Thanks!
Answer:
Question 1 : C (The square of the distance that separates them)
Question 2 : D( Planet Y, because the sun exerts a greater gravitational force on it than on planet Z)
Question 3: A (Because a planet's gravity pulls equally from all sides)
Question 4: C (A central bod is the center of the universe.)
Question 5: C (Both observation 1 and observation 2)
Question 6: D (Mercury)
Question 9: Summer
Question 10: C (Both A and C)
Question 11: B (The moon casts a shadow on Earth.)
Question 12: C (The moon should be between the sun and Earth.)
Explanation:
Question 10: The coastlines that ideally experience high tides are places that are much nearer or opposite against the moon. The reason behind this is that the moon has its own gravitational field that pulls the earth towards itself. This makes high tides or low tides. Basically, there are two high tides and two low tides occuring at the same time. This is due to the varying forces that the moon does depending on the water's position on earth.
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How does a forensic scientist estimate the height of a victim?
Explanation:
They took all the body samples given to them by policeThey then look out for DNAAfter deriving the DNA they can find the length of their leg bones or spine bones and vertebrae.By which they can find the height
An earthworm lives and reproduces in the soil.co
Through its feeding, excretion, and tunneling
activities, the worm adds nutrients and allows
air to enter the soil. Together, these statements
describe the earthworm's
(3) niche
(1) habitat
(2) nutrition
(4) environment
Answer:
niche
Explanation:
a habitat is a place where an organism lives in an environment
a niche is the organisms role in that environment
nutrition is the process of obtaining food for energy
environment is the surrounding of the organism
What are the adaptations of bottle-nosed dolphins that allows them to thrive in the marine biome?.
Answer:
Thermoregulation
Explanation:
Decreased surface-to-volume ratio. The dolphin's fusiform body shape and reduced limb size decrease the amount of surface area exposed to the external environment.Increased insulation. Dolphins deposit most of their body fat into a thick layer of blubber.Heat exchange system.Where in the chloroplast is chlorophyll found?
In the stroma.
Inside the thylakoid inner space (lumen).
Embedded in the thylakoid membranes.
In the Calvin cycle.
Answer:
The answer would be Embedded in the thylakoid membranes.
Explanation:
The green pigment chlorophyll is located within the thylakoid membrane, and the space between the thylakoid and the chloroplast membranes is called the stroma
______ are a dense source of energy (9 kcal/g) and serve as important regulators of the growth and development of the infant's nervous system.
The blank field in the task content should be filled with lipids.
What are Lipids?Nutritionally, lipids are a class for nutrients characterized by the ability to serve as dense source of energy and hence serve as important regulators of growth.
Although, carbohydrates also serve as energy sources in diets, lipids have high energy density.
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What is pH?
A. the temperature
of the solution
B. the amount of
water in a solution
C. the intensity with
which a solution can
burn you
D. the
concentration of
hydrogen ions in a
solution
Answer:
D
Explanation:
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Explain how our solar system formed and evolved. also use the terms nebula, planetesimal, protoplanet, gravity.
I love this question!(mainly because it is about astronomy lol)
Our solar system formed from a cloud of gas and dust, called a nebula. there are many satellites orbiting our Sun, but there are eight considered to be the main planetesimals that make up our solar system. A protoplanet is a hypothetical eddy in a whirling cloud of gas and dust that later becomes a planet. The asteroids Ceres, Pallas, and Vesta are believed to be protoplanets. Gravity keeps objects like moons and asteroids close to planets. This is called a gravitational pull.
How does dna replication differ between eukaryotes and prokaryotes.
Answer:
Explanation: they differ because they are different organelles
The caribbean monk seal was declared extinct in 2008. although there are other types of seals on earth, caribbean monk seals could only breed with other caribbean monk seals. a caribbean monk seal in an enclosure. the last caribbean monk seal that died was the last member of a species. a community. a biome. an ecosystem.
The last Caribbean monk seal that died was the last member of a species.
Option A.
What is caribbean monk seal?Generally, The Caribbean monk seal is also known as Neomonachus tropical is is an extinct seal is found in the Caribbeans.
In conclusion, The animal species went extinct in 2008.
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Answer:
A
Explanation:
White blood cells are an important part of the human immune response. Two types of white
blood cells, neutrophils and macrophages, act as phagocytes. Phagocytes perform which of
Che following functions in the human body?
1 Point)
A. They produce antibodies.
B. They bind to antigens and develop into plasma cells.
C. They form a barrier against pathogens.
D. They engulf and destroy bacteria.
Answer:
D. They engulf and destory bacteria.
Explanation:
"Phagocytes are a type of white blood cell that use phagocytosis to engulf bacteria, foreign particles, and dying cells to protect the body."
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The difference between the phosphorus cycle and carbon cycle lies in the fact that
Answer:
The main difference between carbon and phosphorus cycle is that carbon cycle interacts with the atmosphere whereas phosphorus cycle does not interact with the atmosphere.
Hope this helped!
Which component of the urinary system is also associated with the male reproductive system?
Answer:
The urethra is the component
What is the meaning of Climax Community?
Answer:
An ecological community in which populations of plants or animals remain stable and exist in balance with each other and their environment. A climax community is the final stage of succession, remaining relatively unchanged until destroyed by an event such as fire or human interference.
Explanation:
hope this helps
Answer:
climax community is a historic term for a community of plants, animals, and fungi which, through the process of ecological succession in the development of vegetation in an area over time, have reached a steady state.
What is the percentage to form a magnetar rather than a black hole?
This question lacks context, it's kind of vague and incomplete. Thereby I'll just provide definitions and some explanations regarding the given question.
WHAT IS A MAGNETAR?~ A magnetar is basically an ultra-powerful magnet 20-times larger the Sun. It is a type of neutron star with an immensely powerful magnetic field (thousand times stronger than normal neutron stars), so wild and destructive that it can disintegrate planets like Earth if it is near enough.
In fact, a magnetar 50,000 light-years away once erupted a flare and released so much electromagnetic radiation that it reached us affecting the planet's magnetic shield and as a result, it slightly compressed Earth's magnetic field.
Astrophysicists suggest that magnetars originally came from a binary star system - a pair of neutron stars that orbit each other in a very tight system that allow them to interact and exchange materials on the process. Eventually, one of these stars will start to run out of fuel causing the other star to gain all its released energy. Well, the other star isn't ready and stable enough to contain all these unexpected energy coming from its fellow star, it will then spin very rapidly due to the added mass then burst and release out all the materials back before it shatters violently - creating a supernova.
This star spewed out immense amount of energy and lost enough mass for it to explode and become magnetar instead of a blackhole.
INTERESTING FACTS~ Magnetars are the most magnetic stars in the observable universe. Its magnetic field is super powerful and one thousand trillion stronger than of Earth's magnetic field. In the Milky way galaxy there are 10 magnetars discovered thus far -- the nearest one is "SGR 1806−20" located nearly 10,000 light-years away.
WHAT IS THE DIFFERENCE BETWEEN A MAGNETAR AND A BLACKHOLE?~ A magnetar is basically a dead star that is believed to came about from a collapsed binary star system, where one star gained so much mass from the other star's fuel only for it to release these materials back and lost enough mass to explode, and finally become a magnetar.
~ A black hole on the other hand existed due to the death of a massive star that collapsed inward because it already ran out all the thermonuclear fuel from its core. If the star is old enough, it will either die for good or collapse and become a black hole.
it a form of astrophysicists
Which of these animals has an exoskeleton? question 19 options: whale lobster snail goldfish
Answer:
Lobster and snail have exoskeletons.
Answer:
Snail
Explanation:
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Hello people ~
Indentify the wrong statement regarding post-fertilisation development.
(a) The ovary wall develops into pericarp.
(b) The outer integument of ovule develops into tegmen.
(c) The fusion nucleus (triple nucleus) develops into endosperm.
(d) The ovule develops into seed
Answer:
Option B
Explanation:
During post fertilisation development
Outer integument devolopes into testa.Inner integument devolopes into tegmenHence option B is wrong
Answer:
(b) The outer integument of ovule develops into tegmen.
Explanation:
This option is incorrect because, the outer integument of ovule - only develops into testa. It will not develop into tegmen. Hence, option (b) is wrong.
An island frog population is made up of two color phenotypes, green and brown, caused by different coloration alleles.The frequency of coloration alleles is shown in the Original Population box in the diagram.Because of changes in the environment, green frogs become more visible to predators and brown frogs are better camouflaged.
Part A
How many green and brown colored symbols should go into the New Population box to predict the frequency of frog coloration alleles due to the changes in the environment.
Part B
Select the evolutionary mechanism that would cause this change in allele frequency.
There may be more than one correct answer.
A
Founder effect
B
Natural selection
C
S3xual selection
In this case, brown frogs increase and green frogs decrease, whereas natural selection would cause this change in allele frequency.
What is natural selection?Natural selection is the main evolutionary force by which populations change (evolve) across time.
Natural selection leads to the change in the allele frequencies depending on the more adapted phenotypes in a given environment.
In conclusion, brown frogs increase and green frogs decrease, whereas Natural selection would cause this change in allele frequency.
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How do mitosis and meiosis compare in terms of what types of cells carry out each process?.
Mitosis has two diploid (2n) somatic cells that are genetically identical to each other and the actual parent cell, whereas meiosis has four haploid (n) gametes that are genetically unique from each other and the original parent cell.
How are mitosis and meiosis similar to each other?Mitosis and meiosis both involve the duplication of a cell's DNA content.
Each strand of DNA, or chromosome, is repeated and remains converged, resulting in two sister chromatids for each chromosome.
Thus, Mitosis and meiosis both involve duplication of a cell's DNA content.
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examine figure 1. below. For each numbered location, identify which part of photosynthesis it represents, then describe how each part enters or exits the plant. (PLS IM IN DESPERATE NEED OFHELP)
Chloroplasts contain chlorophyll, which is used to absorb light energy and convert it into chemical energy.
What is chlorophyll?Chlorophyll is a pigment found in plants and algae that is essential for photosynthesis, the process by which light energy is converted into chemical energy. It is composed of a porphyrin ring and a magnesium ion, which gives it its green color. Chlorophyll absorbs light in the blue and red wavelengths, reflecting green light and giving plants and algae their green color.
As light enters the chloroplasts, it is used to convert carbon dioxide and water into sugars and oxygen.
On the leaf surface there are tiny holes called stomata. These openings allow carbon dioxide to enter the plant, and oxygen and water vapor to exit the plant. Carbon dioxide is the primary reactant in photosynthesis and is needed in order for the process to occur.
The phloem is a tissue in the plant that transports sugars produced during photosynthesis from the leaves to other parts of the plant. These sugars are used as energy by the plant for growth and development.
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