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Related Questions
which specialized structures are unique to the cnidarians?
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Explanation:
Cnidarians contain specialized cells known as cnidocytes (“stinging cells”) containing organelles called nematocysts (stingers).
Cnidarians have stinging cells which are known as cnidocytes. This is the unique feature of cnidarians.
What are cnidarians and their characteristics?The class Soft-bodied stinging creatures like corals, sea anemones, and jellyfish are categorized as Cnidaria. Nearly every ocean ecosystem contains cnidarians. They may survive in warm or cold, shallow or deep water. Freshwater is home to a few species. Cnidarians can either live alone or in colonies.
Cnidarians share a number of fundamental traits. Cnidaria is all aquatic organisms, primarily marine ones. All of them have stinging tentacles called nematocysts that they utilize to capture prey. Cnidarians have just two body layers: the ectoderm and endoderm, which are divided by a layer that resembles jelly and is known as the mesoglea.
Thus, cnidocytes are unique features of cnidarians.
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Does a candy bar, piece of beef, butter, or bread turn up with the color blue/black on a Lugol’s (starch) test?
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Answer:
bread passes the test for starch
Dan has a very large kidney stone that is not passing on its own. Which of the following may the doctor utilize?
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Answer:
d. Any of the above
Explanation: is correct/post protected
Which organelle is the control center of the cell; contains DNA; only found in Eukaryotic cells?
A. Mitochondria
B. Nucleus
C. Lysosome
D. Ribosome
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Why is RNA thought to have been the first genetic material? A. RNA has been found on meteorites. B. Primitive organisms, such as some viruses, have RNA as their genetic material. C. RNA is capable of self-replication D. RNA is structurally simpler than DNA.
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Answer:
B.
Explanation:
Because if they have traces of RNA in them, then it might be the first genetic material
Most of Earth's species of flowering plants depend on insects to pollinate their flowers.
True
Or
False
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Answer:
True :)
Explanation:
Most species of flowering plants rely on vectors to move pollen and these vectors include insects, butterflies, birds, water and wind.
After you finish a big meal, the level of glucose in your bloodstream increases. What happens next in order for your body to process the glucose
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Answer:
Digestion
Explanation:
The body digest the food down through the mouth to the anus
some enzymes also act on the food for easy digestion
"Tall" "purple" and "wrinkled" are examples of?
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Tall purple and wrinkled are the examples of Phenotypes.
What are phenotypes?The phenotype is the set of observable characteristics or traits of an organism. The term covers the organism's morphology or physical form and structure, its developmental processes, its biochemical and physiological properties, its behavior, and the products of behavior.
Moreover, the observable characteristics in an individual resulting from the expression of genes; the clinical presentation of an individual with a particular genotype.
Therefore, phenotype examples include earwax type, height, blood type, eye color, freckles, and hair color.
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modern horses are larger than ancestral horses. this is an example of
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Answer:
stabilizing selection
Explanation:
What organism aids your body with digestion?
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Answer:
mouth, esophagus, stomach, small intestine, large intestine, rectum and anxs.
Plants from two different true-breeding P generation lines are crossed to one another and produce offspring. These offspring are allowed to self-fertilize, which results in production of the:
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Answer:
F2 generation
Explanation:
the earth’s_______and position relative to the________effects the lengths of_________and________.
*not multiple choice*
i need it asap. thanks!
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distance
sun
day
night
The Earth's distance and position relative to the sun effects the lengths of day and night.
if you were to take 10 breaths/min and inhaled about 600 ml/breath, your minute ventilation rate would be
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Which are examples of active transport?
Select all that apply.
exocytosis
phagocytosis
diffusion
pinocytosis
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Answer:
Exocytosis, phagocytosis, and pinocytosis
Explanation:
Active transport is when energy is used to move substances across the cellular membrane.
Exocytosis requires energy to remove materials from the cell; it is active.
Phagocytosis also requires energy; it is active.
Diffusion isn't active because it moves materials down their concentration gradient and therefore it doesn't require energy.
Pinocytosis is a form of endocytosis and requires energy; it is active.
While eating dinner, Isabelle starts choking on a grape. She can't cough, talk, or breathe. What should her mother do to help her?
*Heimlich maneuver
(or buy a LifeVac device to keep in your car for emergencies)
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Answer:
c. Do the Heimlich maneuver.
Explanation: is correct. post protected
How do I get rid of my Self harm scars??
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Boii do i sure wish i knew T^T
In a forest community, a shelf fungus and a slug live on the side of a decaying tree trunk. The fungus digests and absorbs materials from the tree, while the slug eats algae growing on the outside of the trunk. These organisms do not compete with one another because they occupy
A. the same habitat, but different niches
B. the same niche, but different habitats
C. the same niche and the same habitat
D. different habitats and different niches
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The shelf fungus and slug in the forest community do not compete with each other as they have the same habitat, but different niches. Thus, option A is correct.
What are habitat and niche?Habitat is defined as the place where the species resides while the niche is the role of the specific organisms or the species in that particular habitat or environment. The niche includes the impact of the species on the habitat.
The shelf fungus and the slug both live on the side of the tree and hence have the same habitat but the fungus takes minerals from the tree and the slug from the algae making them differ in the niche.
Therefore, the fungus and slug have the same habitat but different niches.
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Which of the following statements defines ovulation?
Ovulation is when an immature ovum develops into a mature ovum.
*Ovulation is the release of a mature ovum, which occurs once each month.
Ovulation is the production of an ovum that occurs each month.
Ovulation is the monthly discharge of the uterine lining.
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Answer:
b. Ovulation is the release of a mature ovum, which occurs once each month.
Explanation:is correct. post protected
Ovulation is the release of a mature ovum, which occurs once each month. The correct option is B.
What is ovulation?The process of an egg being released from the ovary is called ovulation. The egg is released and travels down the fallopian tube, where it remains for 12 to 24 hours before being fertilised.
Although ovulation is necessary for conception, more than simply an egg is required. For instance, there needs to be a clear path to the egg. A blocked fallopian tube prevents pregnancy from happening.
Around the time of ovulation, you could notice that your cervical mucus is wetter, clearer, and more slippery. After ovulation, there is a slight increase in body temperature that you might be able to measure with a thermometer.
Thus, the correct option is B.
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How can we conserve WATER? describe in short.
Please answer as soon as possible pls I need help please
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Explanation:
Turn off the faucet while brushing your teeth.
Only run the washing machine and dishwasher when you have a full load.
Use a low flow shower head and faucet aerators.
Fix leaks.
Install a dual flush or low flow toilet or put a conversion kit on your existing toilet.
after dogs, what is thought to be the first domesticated farm animal?
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Answer:
sheep and goats
Explanation:
reproduction in prokaryotes occurs primarily through the process known as
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Reproduction in prokaryotes occurs primarily through the process known as Binary Fission.
which of the following organisms obtain their energy from producers only
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heterotrophs.
Explanation:
Organisms that obtain their energy from producers or other consumers are heterotrophs.
True/False. All mutations are bad.
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False.
There are several good mutations that have ensured the survival of species. Typically helpful mutations help the creature adapt to its environment or protect itself from predators.
I hope this helps! :)
neuroglial cells that produce cerebrospinal fluid are called
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Answer:
Ependymal cells
Explanation:
Ependymal cells line the spinal cord and ventricles of the brain. They are involved in creating cerebrospinal fluid
Plants do not eat, how do they carry out the process of nutrition?
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what is the electron transport chain
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Answer:
The electron transport chain is a cluster of proteins that transfer electrons through a membrane within mitochondria to form a gradient of protons that drives the creation of adenosine triphosphate (ATP).
Explanation:
Brainliest Please!
Phloem is used to transport sucrose and amino acids in plants. Sucrose is a carbohydrate. Describe the uses of carbohydrates and amino acids in plants.
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Answer:
1. carbohydrates help to produce a part of cellulose. carbohydrate produces the vital source of energy, carbon skeletons for organic compounds, and storage of components.
2. Amino acids help in the ion transportation, modulation of stomatal opening, maintaining the level of detoxification.
considering the various theories, the energy used in forming organic molecules in the primitive atmosphere could have come from all except
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Answer:
the correct answer is sound
adventitious storage roots are seen in
a)Carrot
b)Sweet potato
c) Turnie
d)Radish
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Answer:
[tex]a)Carrot [/tex]
...............
1. Rocky Mountain spotted fever is a bacterial infection transmitted by a tick. What type of symbiosis occurs between a deer and the tick?
A. Mutualism
B. Commensalism
C. Parasitism
2. The oxpecker is a bird that eats the insects off the back of a zebra or rhino? What type of a symbiotic relationship is this?
A. Mutualism
B. Commensalism
C. Parasitism
3. Humans have “good” bacteria in their digestive tract, which assists in digesting food. The bacteria thrive there. What type of a symbiotic relationship is this?
A. Mutualism
B. Commensalism
C. Parasitism
4. Barnacles attach themselves to whales in order to be where food is available and also for transportation. This does not hurt the whale? What type of a symbiotic relationship is this?
A. Mutualism
B. Commensalism
C. Parasitism
Mutualism examples
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Answer:
1. C
2. A
3. A
4. B
Explanation:
hope this helps. ♥️
Parasitism is the type of symbiosis that occurs between a deer and the tick. So, the correct option is C. This is because bacteria infect their host cell which is found in Deer.
What do you mean by Symbiosis?Symbiosis may be defined as a relative ecological association between the individuals of two or more different species.
The type of symbiotic relationship found between oxpecker and zebra is Mutualism. This is because oxpecker is able to get its prey (food), while zebra is benefitted from the removal of insects from their body. So, the correct option is A.
The type of symbiotic relationship between Humans and bacteria living in their digestive tract is Mutualism. This is because Humans are benefitted from bacteria as they assist in digesting food, while bacteria also benefit to find a proper place where unlimited food is available. So, the correct option is A.
The type of symbiotic relationship between Barnacles and whales is Commensalism. This is because Barnacles are benefitted from excess food and easy transportation, while whales are neither benefitted nor harmed by this relationship. So, the correct option is B.
Therefore, each of the questions are properly described above.
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