cardiac, smooth, and skeletal.
Which kind of investigations are meant to provide large amounts of information about a wide range of variables?
Answer:
Comparative investigations
Explanation:
Answer:
Comparitive investigations
What causes Tay Saches disease?
Answer:
Tay-Sachs disease is a rare genetic illness that is handed down from parents to their children.
It's caused by a lack of an enzyme that aids in the
digestion of fatty foods.
These fatty molecules, known as gangliosides, build up to hazardous amounts in the child's brain, affecting nerve cellfunction.
hope it helps
Explanation:
-
Using an example, (either molecular or macroscopic, or both if you can) describe how a mutation could have no effect on the organism. have a negative effect on the organism have a beneficial/positive effect on the organism.
Answer:
i rly dont know i just need points
Explanation:
pilot
Which statement regarding the distances between the planets in our solar system is accurate?
o A. Equal distance separates the inner planets.
B. Inner planets are farther from one another than are outer planets.
C. Equal distance separates the outer planets.
D. Outer planets are farther from one another than are inner planets.
The correct statement is that the outer planets are further from one another than the inner planets. So the correct option is D.
What are the outer planets?There are eight planets in our solar system that are classified according to their distance from the sun.
The planets closest in distance to the sun are called the inner planets. The first four planets of the solar system are classified as the inner planets. These are Mercury, Venus, Earth, and Mars.
The rest of the four planets of the solar system are farther in distance from the sun. They are called the outer planets. These are Jupiter, Saturn, Uranus, and Neptune.
The outer planets are much bigger than the inner planets and make up for 99 percent of the mass of all celestial bodies that revolve around the sun.
The outer planets are mainly composed of gases and are called gas giants or jovian planets. The distance of outer planets between one another is much more than the distance of inner planets between one another.
Therefore, the correct option is D.
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Each level of the energy pyramid is called a trophic level. How does the amount of energy available to organisms differ at each trophic level in a food chain?
Answer:
Most of the food energy that enters a trophic level is "lost" as heat when it is used by organisms to power the normal activities of life. Thus, the higher the trophic level on the pyramid, the lower the amount of available energy
An energy pyramid is represented below. The energy for use by
organisms in level A originally comes from
Level
D
Level
с
Level
B
Level
A
Producers
The sun
O Level B
O Level D
Answer:
The answer is the sun.
Explanation:
Level a represents the producers which you can tell, by their name, that they make their food. Producers are mainly comprised of the plants of our world. They get their energy from the sun and through photosynthesis, they turn it into energy.
By the way, B would be primary consumers which are the herbivores, C are the secondary consumers which include us people, and D are the decomposers, which include worms.
Level A represents the producers which make their own food and are mainly comprised of the plants of our world. They gain energy from the sun and through the process of photosynthesis.
The energy for use by organisms in level A originally comes from sun. Thus the correct option is A.
What is photosynthesis?
The process through which green plants and some other organisms use sunlight to make foods from carbon dioxide and water. Photosynthesis in plants generally involves the green colour pigment chlorophyll and generates oxygen as a byproduct.
Whereas, B would be primary consumers which are the herbivores, C are the secondary consumers that include omnivorous, and D are the decomposers, which include worms.
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In which direction will the object move?
Answer:
in the left direction.
Explanation:
since the force applied from the right is greater than the left and the force applied from below is opposite, which leaves no change in displacement.
therefore, the object would move to the left direction.
Hope this helps! have a great day ahead!
Two organisms mate and produce infertile offspring. Which of the following statements best explains why the offspring are unable to reproduce? The parents are of a different species but of the same genus.
Answer:
they created a genetic drift that caused them to create genocid
A geneticist wants to determine what mutation in a DNA molecule changed the structure of a specific protein. What would the scientist need to know before planning the investigation?
Answer:
Explanation: 1+1
Digestion of dietary fats _____. a. occurs primarily in the large intestine b. occurs primarily in the stomach c. involves the small intestine but not the pancreas d. results in triglycerides, phospholipids, and sterols as end products e. requires bile and lipase
The answer of the question is option (b).
Digestion of dietary fats ocuurs majorly when it reaches to the small intestine.
Species will compete until the ________ species wins.
A.) Stronger
B.) Smaller
C.) Bigger
D.) Weaker
Answer:
B.smaller
Explanation:
yeah maybe because smaller fastest:)
Answer:
A
Explanation:
The weakest obviously doesn't. Small or big dosn't matter. So it must be A.
i’m gunna be blowing this up lol so please help :)
How does deforestation impact humans and the planet? What solutions can help combat the effects of deforestation? 3 - 5 sentences
Answer: Deforestation also degrades soil quality and is a major cause of the world's rapid desertification. Such weather patterns and environmental changes contribute to the plummeting of the agricultural production. Humans are hit by food shortage due to the low agricultural produce. Anyone can make a difference at some level by contributing to the fight to save forests and wildlife by making informed choices on a daily basis. Using ecofriendly products, eating sustainable foods, recycling more, and conserving water and energy can help to lead towards zero deforestation.
Explanation: Have a great day or night :)
HELP When dissolved in water, BLANK
produce solutions of ions.
1.ions
2. electrolytes
3. nonpolar compounds
4. nonelectrolytes
Answer: what are the choices
Explanation: hi
When dissolved in water, electrolytes produce solutions of ions. The correct option is 2.
What are electrolytes?When electrolytes are dissolved in water or other solvents, they produce ion solutions that conduct electricity.
These ions, which can be positively or negatively charged (cations or anions), form when the electrolyte dissociates into its constituent atoms or molecules in the presence of a solvent.
Electrolytes include ions such as sodium, potassium, calcium, magnesium, chloride, bicarbonate, and phosphate.
These electrolytes are important in many physiological processes in the body, including fluid balance, nerve impulse transmission, and muscle function.
Food and drink, supplements, and intravenous fluids are all sources of electrolytes.
Thus, the correct option is 2.
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Active transport, unlike its passive counterpart, is beneficial because it can move large, polar molecules against the concentration gradient (L to H).
A. True
B. False
Which of the following is driven by energy from the sun?
A) Water Collection
B) Groundwater flow
C) Evaporation
D) Precipitation
Answer:
evaporation
Explanation:
the sun help evaporate the water into the clouds ^^
Answer:
C I think
Explanation:
Sorry if wrong
Why could reproductive cells from an apple tree and a banana tree never combine to form an offspring? Use data and scientific reasoning to construct an explanation.
Answer:
Difference in chromosome number.
Explanation:
The reproductive cells from an apple tree and a banana tree never combine to form an offspring because of the difference of species. There is different number of chromosomes in the both apple and banana tree. There are 17 number of chromosomes in apple whereas 33 number of chromosomes in banana tree so due to this difference in the chromosome number apple and banana tree can produce offspring due to combination.
The process of formation of new offspring from the parents is called reproduction. Reproduction help to ensure the continuity of species generation after generation. There are two types of reproduction, these are as follows:-
SexualAsexual.Reproduction required the gametes of the same species for fusion. The mating of the two gametes is known as fertilization.
According to the question, the apple tree and a banana tree never combine to form offspring because of the gamete difference, These gametes are from different species.
Hence, they cannot reproduce.
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Use what you know about the formation of metamorphic rock to describe three events that could have led to the formation of the rock as it appears today
please i really need help
Answer:
1. a sedimentary rock was introduced to heat
2. It cooled into a solid
3. Wind and other debris could have altered the shape
What variations can individuals exhibit?
Explanation:
Organisms (within populations) exhibit individual variation in appearance and behavior. These variations may involve body size, hair color, facial markings, voice properties, or number of offspring.
Which Enzyme has an optimal pH that is Acidic?
A. Pepsin
B. Salivary amylase
C. Arginase
Answer:
a. pepsin
Explanation:
it has a 1 to 2 level which is acidic because anything lower than 7 is acidic
Answer:
A. Pepsin
Explanation:
The enzyme pepsin breaks down proteins in the acidic conditions of the stomach. Pepsin has an optimum of pH 2.5 and a working range of between pH 1-4.
dentify the plant organs seen in the drawing.
A
B
C
Answer:
b
Explanation:
Strontium-90 has a half life of 29 years, how much strontium-90 is left from the Chicago pile reactor that was active around 87 years ago.
Answer:
The answer is below
Explanation:
The half life of a substance is the time required by that substance to reduce to half of its initial value. The half life is calculated using the formula:
[tex]N(t)=N_o(\frac{1}{2} )^\frac{t}{t_\frac{1}{2} } \\\\where\ N(t)=quantity\ of\ substance \ remaining, N_o=initial\ quantity\\of\ substance, t=time\ and \ t_\frac{1}{2}=half\ life\ of\ substance[/tex]
Given that t = 87 years, half life = 29 years, therefore the quantity of strontium-90 left is:
[tex]N(t)=N_o(\frac{1}{2} )^\frac{87}{29} \\\\N(t)=N_o(\frac{1}{2} )^\frac{t}{t_\frac{1}{2} } \\\\N(t)=N_o(\frac{1}{2} )^3\\\\N(t)=\frac{1}{8} N_o[/tex]
That is one-eight of Strontium 90 would be left after 87 years
I’m really stuck on this question. If you can help, that would be great. Question and multiple choice answers are in the picture.
Answer:
coevolution
Explanation:
Both flowers and hummingbirds benefit when a hummingbird comes by for a drink. As a result, species of hummingbirds and species of flowers often evolve together
Which statement best explains why the
carbon cycle is classified as a closed-loop
system?
Answer:
You need more info for this to work. theres no context
Explanation:
How many peaks are on this map? Answer
А 1
B 2
C 3
D 4
Answer:
C. 3
Explanation:
If you look at the map, the tiny circles represent the peaks. Count the small circles (three) and you have your answer!
The nervous system primarily communicates using
electrical impulses
hormones
blood cells
none of the above
Answer:
electrical impulses
Explanation:
I need someone to help me!!
Answer:
I believe the answer is B. Vomiting and Fever.
Explanation:
This answer makes the most sense as spoiled food can lead to sickness, which can lead to vomiting and fever.
What is the answer to this?
Answer:
I say the correct answer is the 3rd one.
Explanation:
Answer is number 3
What are three terms used to describe organisms such as lions?
Answer:
The three terms that are used to describe organisms such as lions are third order heterotrophs, tertiary consumers and top carnivores. Lions are also known as ap ex or top predators.
The three terms that are used to describe organisms such as lions are third-order heterotrophs, tertiary consumers and top carnivores.
What is the best carnivore?As the top predator throughout its range, the tiger plays a significant role in controlling not only its prey population but that of other predators such as the leopard, and clouded leopard.
Thus, lions are third-order heterotrophs, tertiary consumers and top carnivores.
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In an experiment determining the effects of antibiotics on the treatment of pneumonia in mice, two groups of mice with pneumonia are compared. One group, group A, receives no antibiotic, and the other group, group B, receives 10 mg/kg of body weight of a new antibiotic. Besides the administration of the antibiotic, there are no differences between the two groups of mice. What is the purpose of group A
Answer:
Group A is the control of the experiment
Explanation:
In an experiment, the control group is the group that does not receive any experimental treatment. The control groups are kept in the same condition as the experimental group except the variable being tested (independent variable).
In this question involving an experiment to determine the effects of antibiotics on the treatment of pneumonia in mice. Two groups of mice were employed. One of the groups (group A) received no antibiotic while the other group (group B) received 10 mg/kg of antibiotics. This means that GROUP A is the CONTROL GROUP of this experiment.