Answer: A baby learning how to use a fork
Explanation:
why human cell is considered as eukaryotic cell where as bacterial cell as prokaryotic cell
Answer:
Humans are eukaryotes. Like all other eukaryotes, human cells have a membrane-bound organelles and a definite nucleus.
Bacteria lack a membrane-bound nucleus and other internal structures and are therefore ranked among the unicellular life-forms called prokaryotes.
Explanation:
Prokaryotic cells are much smaller than eukaryotic cells, have no nucleus, and lack organelles.
brainliest! no links, theyll be reported fill in the blanks rock cycle
Answer:
Tried my best to write them but didn't want to make the lettering too small. If you cant read one just let me know ill tell you through comments. Hope this helps.
Explanation:
Can someone please help me? :(
Answer:
b each cell is able to carry out all functions
Is the phenotype that corresponds to the HbS allele harmful, beneficial, or both?
Explain your answer
Phenotype is referred to as the expressed trait that is caused by a certain combination of alleles.
What is phenotype?Phenotype is referred to as the expressed trait that is caused by a certain combination of alleles. We will recall that the HbS allele is responsioble for the anemia that results from sickle shaped red blood cells.
This phenotype is both harmfull and benefical in the sense that it leads to the agglutination of the red blood cells in individuals that have this phenotype and eventual crisis. Also, it is beneficaila in that nthose who possess this phenotype do not suffer from malaria in the tropics.
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An example of a parasympathetic pathway is the innervation of the heart: The ____________ nerve fibers carry action potentials from the brain toward the heart.
The vagus nerve fibers carry action potentials from the brain toward the heart.
What is vagus nerve?The vagus is a nerve that performs the role in sensory, motor, and secretory functions. It contains about 80% sensory fibers. The vagus nerves comes from the brain towards the carotid artery of the heart.
So we can conclude that The vagus nerve fibers carry action potentials from the brain toward the heart.
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What is Primary Succession?
Describe pioneer species in your own words.
What is the meaning of Climax Community?
Define Secondary Succession?
What is the difference between primary and secondary succession?
Answer:
Primary succession is the beginning step of ecological succession after an extreme , which usually occurs in an environment devoid of vegetation.
In second at succession, an area that was previously occupied by living things is disturbed,then re colonized following the disturbance.
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.
Primary succession is the beginning step of ecological succession after an extreme , which usually occurs in an environment devoid of vegetation.for example: the formation of new ecosystem after a volcano, glacier outburst etc.In second at succession, an area that was previously occupied by living things is disturbed,then re colonized following the disturbance.for example: succession after forest fire,flood etc.What is currently being done to reduce PFAS in food packaging.
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Haldane, a Soviet scientist, proposed in 1929 that a combination of carbon dioxide, water, and ammonia, when exposed to ultraviolet light, can form a variety of organic molecules. The conditions modeled by Haldane's experiment simulated the oceans of early Earth. Which hypothesis of the origin of life on primitive Earth is described by Haldane's experiment? A) panspermia hypothesis B) abiogenesis hypothesis C) primordial soup hypothesis D) hydrothermal vent hypothesis
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Plants with ovaries having only one or a few ovules are generally pollinated by
(a) bees
(b) butterflies
(c) birds
(d) wind
Answer:
a
Explanation:
bees are a primary pollinator
Answer:
bees
Explanation:
Plants having ovaries also require pollinationThey are usually honey providersSo they get attracted by the honey bees most .Option A
How many countries does the amazon rainforest cover?.
Answer:
9
Explanation:
Fossils are used to study(1 point) organisms that once lived. organisms that once lived. how ancient animals behaved. how ancient animals behaved. organisms that live today. organisms that live today. phylogenetic trees.
We can confirm that fossils are used in order to study organisms that once lived.
What are fossils?Fossils are a term we use to refer to the remains of prehistoric organisms. This means organisms that lived a very long time ago. Fossils are notoriously rare and difficult to find and can come in varying stages of preservation. These fossils provide valuable information as to the species of organisms that existed many centuries ago.
Therefore, we can confirm that fossils are used in order to study organisms that once lived.
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A cross between heterozygotes for a single trait will lead to a genotypic ratio of 1:2:1. How many phenotypes will be observed if incomplete dominance is occurring
There will be 3 phenotypes observed if incomplete dominance is occurring in this organism.
What is incomplete dominance?The so-called incomplete dominance is the one in which the alleles are expressed in heterozygosity, however, they produce an intermediate phenotype, since none is totally dominant. In the case of complete dominance, the phenotype is equal between zygotes and heterozygotes.
With these information, we can conclude that there will be 3 phenotypes observed if incomplete dominance is occurring in this organism.
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Explain why increasing the trophic level always results in a decrease in organisms
(biomass) and energy.
Answer:
With less energy at higher trophic levels, there are usually fewer organisms as well. Organisms tend to be larger in size at higher trophic levels, but their smaller numbers result in less biomass. Biomass is the total mass of organisms at a trophic level.
Answer:
Increasing the trophic level always results in a decrease in organisms (biomass) and energy because When energy decreases, it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level.
Only a fraction of the energy available at one trophic level is transferred to the next trophic level. Typically the numbers and biomass of organisms decrease as one ascends the food chain.
When the water turns yellow, which gas is most common?
carbon dioxide CO2
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In terms of sequence variation, which of the following is least like the others? SNP inversion deletion translocation
In terms of sequence variation, the one that is least like the others is SNP. Option A
What is sequence variation?Generally, The word "genetic variety" refers to the variance in the DNA sequence in each of our genomes.
In conclusion, SNP is the only none structural variation, which involves above one base twin in variation, whereas SNP only shows variation in a single base pair.
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Pancreatic enzymes are secreted in response to a hormone called __________.
Cholecystokinin is hormone that is secreted in response to pancreatic enzymes.
What is Cholecystokinin?Cholecystokinin is a peptide hormone that is secreted by the duodenal mucosal of enteroendocrine cells as a result of stimulation of food by chemical substances. This hormone help to activate pancreatic enzyme secretion when it stimulate some cells of vagal afferents.
Therefore, Cholecystokinin is hormone that is secreted in response to pancreatic enzymes.
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what's another word for hindered?
What type of creature accounts for 25% of all plant and animal species.
beetle
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5. Which process releases nitrogen into the air?
a. breaking down waste
b. fixing nitrogen
c. using fertilizer
d. making sugar
ANSWER IS B
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Species found in only one place on earth are called ________ species.
Answer:
endemic species
Explanation:
Species found in only one place on earth are called endemic species
The primary reservoir for calcium that is released during excitation-contraction coupling in a skeletal muscle fiber is the
The primary reservoir for calcium that is released during excitation-contraction coupling in a skeletal muscle fiber is sarcoplasmic reticulum.
What is the function of sarcoplasmic reticulum?The sarcoplasmic reticulum is responsible for storeing calcium ions which it releases when a muscle cell is stimulated.
So we can conclude that the primary reservoir for calcium that is released during excitation-contraction coupling in a skeletal muscle fiber is sarcoplasmic reticulum.
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What role do chemosynthetic bacteria play in deep-sea volcanic-vent ecosystems?
Answer:
Through the process of chemosynthesis, bacteria provide energy and nutrients to vent species without the need for sunlight
Explanation:
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Which is the most likely evolutionary response of birds to a food supply of insects living in deep, narrow tunnels?.
Answer:
In trees, birds like woodpeckers have a skull where the tongue wraps around the brain so the brain does not get skaken around. When the woodpecker gets the hole large enough, it sends in its long narrown tongue to get the insect
Explanation:
Birds who look for incects in the ground hop or tap the ground with their beak to mimic rainfall. The bugs come up and the birds can eat them :)
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What important discovery was made by columbia university researchers concerning carbon dioxide levels using data from biosphere 2?.
Answer:
Explanation:
Theorizing the chemistry of the calcification process, however, Biosphere 2 collaborators such as Marlin Atkinson of the University of Hawaii and Chris Langdon, Taro Takahashi, and Wallace Broecker of Lamont-Doherty Earth Observatory hypothesized that rising atmospheric CO 2 levels, which increase the partial pressure of CO 2 dissolved in seawater, might also exert important effects by changing the equilibrium of calcium carbonate and bicarbonate ions, making calcium carbonate less available to the living coral organisms.
Calculate the population size of a heard of elephants for a year.
There are 18 males and 34 females. Each female gave birth and 28 offspring survived. Predators killed 9 elephants. Fifty acres were added allowing 5 males and 19 females to
immigrate into the study area. This resulted in an increase for females' completion and 10 males emigrated to a new territory.
Calculate the growth rate of this population.
Answer:
the reproduce by putting the male representative organ in the female reproductive organ
According to the phylogenetic tree, which shared trait is LEAST LIKELY?
A
Red pandas and raccoons have similar skull patterns that are not shared by the giant panda, spectacled bear, and sloth bear
B
Red pandas, giant pandas, and raccoons have similar tooth patterns that are not shared by the spectacled bear and sloth bear.
С
Giant pandas, spectacled bears, and sloth bears have similar facial bones that are not shared by the red panda and raccoon.
D
Red pandas, giant pandas, raccoons, spectacled bears, and sloth bears have forearms consisting of a radius and an ulna.
Answer:
A
Explanation:
Patterns change with different species
Red pandas and raccoons have similar skull patterns that are not shared by the giant panda, spectacled bear, and sloth bear is correct regarding phylogenetic tree.
What is phylogenetic tree?
A phylogenetic tree, also called a phylogeny, is a diagram that shows the evolutionary branches from which various species, creatures, or genes have descended from one another.
Phylogenies are helpful for classifying organisms, organizing knowledge of biological diversity, and shedding light on evolutionary processes.
Furthermore, one needs to comprehend phylogenies in order to fully appreciate the overwhelming evidence in favor of evolution since these trees demonstrate descent from a common ancestor and since common ancestry constitutes most of the strongest evidence for evolution.
Therefore, Red pandas and raccoons have similar skull patterns that are not shared by the giant panda, spectacled bear, and sloth bear is correct regarding phylogenetic tree.
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Genes are the only factor affecting whether or not an individual will contract a disease. please select the best answer from the choices provided t f
It is false statement that; "Genes are the only factor affecting whether or not an individual will contract a disease. "
What is gene?Genes are the units of inheritance located on the chromosomes. The total number of genes that an individual recieves from its parents is called the genotype of the individual.
While many illnesses may result from the genotypemof an individual, it is false statement that; "Genes are the only factor affecting whether or not an individual will contract a disease. "
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Answer:
its false
Explanation:
. How do the bases bond together? A bonds with _____ G bonds with _______
Answer:
A bonds with U and G bonds with C
Explanation:
hope it helps <3333
Answer: A bonds with T and G bonds with C
Explanation: I think itss correct
The allele for a blue skin color, B, is dominant to the allele b which codes for gray-colored skin. He decided to mate a lizard that is heterozygous with a lizard that is gray. What proportion of the offspring will be gray?
What do the black bars represent in this spectrum?
cosmic background radiation interfering with those wavelengths
errors in collecting color spectrum of the star
wavelengths of light that are absorbed in the star's atmosphere
wavelengths of light that are invisible to the human eye
Answer:
cosmic background radiation
Explanation:
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