Which is demonstrated by arrow 3?
This is a condition or illness that prevents the body or mind from working
Which of the following statements is true about the structure of the cell membrane?
Ponds and lakes form when water collect in ... areas of land
What country has more coal reserves than any other country in the world
Which of the following diseases can cause paralysis?
polio
yellow fever
Rocky Mountain spotted fever
rabies
chicken pox
Among the diseases listed, polio, rabies, and Rocky Mountain spotted fever can cause paralysis.
- Polio is known for causing muscle weakness and paralysis, which can sometimes be permanent.
- Rabies, if left untreated, can lead to paralysis as the virus attacks the nervous system.
- Rocky Mountain spotted fever, a bacterial infection transmitted by ticks, can lead to neurological symptoms including paralysis in severe cases.
The incorrect options are:
Yellow fever: Yellow fever is a viral hemorrhagic fever caused by the yellow fever virus, primarily transmitted by mosquitoes. While yellow fever can cause various symptoms such as fever, headache, jaundice (yellowing of the skin and eyes), and even liver damage, it typically does not lead to paralysis.
Chickenpox: Chickenpox is a highly contagious viral infection caused by the varicella-zoster virus. While chickenpox can cause discomfort and itching due to its characteristic rash of itchy blisters, it does not typically lead to paralysis.
Which of the following terms describes the primary core of a comet?
The human activities in two locations are described below:
Location A: Rampant use of plastic containers
Location B: Excessive use of pesticides and fertilizers
Which statement is most likely true?
A.) Location A will have poor air quality because plastic is biodegradable.
B.) Location A will experience water scarcity because plastic absorbs moisture.
C.) The population of birds will increase in Location B because production of crops will increase.
D.) The population of aquatic plants in Location B will decrease because water is contaminated.
Answer:
(D) The population of aquatic plants in Location B will decrease because water is contaminated.
Explanation:
When people use pesticides it harms the environment cause it goes into the ground and like run-off water it goes back into the ocean contaminating the water causing the animals and plants to get harmed and die off quicker. Why you may ask, Cause Pesticides use straight up chemicals which hurts us and animals. When people use fertilizers they abuse the soil causing it to become a desertification area after it is desertification-ed people and animals must move in order to survive.
An mRNA strand has 204 bases to code for a protein from start to stop. how many amino acids will the resulting protein contain
The mRNA strand with 204 bases will code for a protein containing 67 amino acids, as each amino acid is defined by a three-nucleotide sequence, the codon. The subtraction of one is due to the stop codon which does not code for an amino acid.
Explanation:A protein sequence is made up of a chain of amino acids, each of which is coded by a three-nucleotide sequence in mRNA, known as a codon. Based on the number of bases in the mRNA strand, we can determine how many amino acids it will produce by dividing the total number of bases by three. In this case, the mRNA stand has 204 bases. However, the start and stop codons are also included in this count. So with 204 bases and 3 bases per codon, we have 68 codons. However, since one of these is a stop codon which does not code for an amino acid, the resulting protein will contain 67 amino acids.
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Which type of electromagnetic radiation is the only type that humans can see with their eyes? (2 points) Gamma rays Ultraviolet rays Visible waves Rays
Humans can only see visible light, with a wavelength range of 380 to 740 nm, which falls within the larger electromagnetic spectrum.
The type of electromagnetic radiation that humans can see with their eyes is called visible light. This form of radiation has wavelengths that range between approximately 380 and 740 nanometers (nm). The electromagnetic spectrum is vast and includes other types of radiation like gamma rays, ultraviolet rays, infrared light, microwaves, and radio waves, none of which can be seen by the human eye. Visible light represents a very small portion of the electromagnetic spectrum but is essential for human vision, as our eyes are sensitive to this range of wavelengths.
Gamma rays have the shortest wavelengths and are highly energetic and potentially harmful, but they are absorbed by Earth's atmosphere. Ultraviolet (UV) rays have slightly longer wavelengths than visible light but are still too short for us to see. Infrared light has longer wavelengths and can be felt as heat rather than seen. Radio waves have the longest wavelengths and the least energy and are also not visible to humans. The capacity to see visible light is an evolutionary adaptation to the types of waves that effectively reach Earth from the sun and penetrate our atmosphere without being blocked except by clouds.
the group of organisms that can be larger than a kingdom is called a a. domain b. phylum c.species d. class
Answer:
a. domain
Explanation:
Domain is the largest group of organisms. Domain is super kingdom which holds the highest taxonomic rank when it comes to categorize animals. An American microbiologist named Carl Woese et.al. proposed it in 1990.
The three domains are mentioned as under:
1) Bacteria
2) Archaea
3) Eukarya
The organisms in the three domains are classified on the basis of the kind of lipid structure in their plasma membrane, the nucleotide sequences on the rRNA of their cells and their sensitivity towards various antibiotics. The Bacteria and Archaea domians comprise prokaryotic organisms whereas Eukarya domain comprises eukaryotic organisms.
After domain it is kingdom which is the second largest group of organisms in taxonomy.
Who do the animals in an ecosystem mainly acquire the sun' s energy
Suppose you are an astronomer, and a child asks you to explain the light given off by stars. In your own words, describe the relationship between the energy, frequency, and wavelength. Be sure to include information about the electromagnetic spectrum in your discussion. (5 points) >
How do the functions of the skeletal system relate to muscular system functions
Answer:bones provide structure and support the body while muscles move the bones
Explanation: the skeleton is the main part of the body holding everything up without it we would be jelly pretty much. And then our muscles and ligaments are connected to our bones. Example: lifting your forearm up to touch your shoulder takes our muscles to lift our bones but our bones keeps our arm to have structure and not flop around
The grass is the base of this food pyramid. The grass produces energy to support the entire pyramid or food chain through what process? A) predation B) respiration C) photosynthesis D) cell respiration
Answer: Option C.
Photosynthesis.
Explanation:
The grass produce food at the base of the pyramid through a process of photosynthesis.
Photosythesis is the process where green plants produce food and oxygen by using light energy from the sun with carbondioxide and water . It is at the base of food pyramid because it is the primary producer.
Kevin has a very detailed model of the solar system where each planet is made out of granite rock. Since his little sister really liked the model, he spent two weeks in his dad's workshop building her a Styrofoam copy. When he picked up the models to take them back inside the house, which physical property would he immediately notice upon picking them up?
which is an example of circadian rhythm in plants?
What trait in pea plants is being studied in the cross shown above?
What are cells that express the same genes?
similar
different
mutated
not living
Answer:
Similar
Explanation:
Similar cells are the cells that express the same genes and perform the same function. Similar cells contain or store the same genetic instructions for performing similar specific functions. Cells are the basic structural and functional unit of a living organism. Cells are usually microscopic, and consist of a quantity of protoplasm surrounded by a cell membrane. Cells are able to synthesize proteins, and can replicate themselves independently. The two types of cells are; eukaryotic (cells with true nucleus) cells, and prokaryotic cells (cells without true nucleus).
In what process are cells with half the number of DNA strands are produced.
Explain how differences in the niche requirements of organisms can contribute to community patterns such as zonation
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The Hindenburg could fly because the hydrogen that filled it was “lighter than air.” Yet, hydrogen is incredibly flammable. Describe your own design for the ideal air transport machine.
Instead of hydrogen, my ideal air transportation system would lift the airplane using a non-flammable gas, such as helium. In addition to being lighter than air, helium does not have the same flammability hazards as hydrogen.
What is an ideal air transportation machine?Depending on the particular needs and preferences of people or organizations, the concept of an ideal air transportation may change. However, there are several broad properties that can be considered ideal in an ideal air transport system, such as:
Safety is the first priority in all forms of transportation, and the ideal aircraft should have strong safety measures and procedures in place to reduce the likelihood of accidents or disasters.
Efficiency: An ideal aircraft should be economical with its use of fuel, maintenance and operation. It should also be able to carry cargo or passengers safely and quickly.
Comfort: To offer a pleasant experience for passengers, the ideal air transportation vehicle should include comfortable seating, plenty of legroom, and climate control systems.
Therefore, instead of hydrogen, my ideal air transportation system would lift the airplane using a non-flammable gas, such as helium. In addition to being lighter than air, helium does not have the same flammability hazards as hydrogen.
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When parking downhill on a road with a curb, you should turn your front wheels __________ .
A. parallel to the curb
B. towards the curb
C. towards the street
What is a kangaroo rat?
Primary Producer
Secondary Producer
Primary Consumer
Secondary Consumer
A kangaroo rat is a Primary Consumer. It is a small rodent that lives in arid regions, named for its resemblance to kangaroos in its hopping movement. It primarily feeds on plant material, making it a primary consumer in the food chain.
Explanation:Kangaroo rats are small rodents that live in arid regions of the United States and Mexico. They are named 'kangaroo rats' because of their large hind feet and long tails, which enable them to hop like kangaroos.
As for their position in the food chain, kangaroo rats, like all herbivores, are primary consumers. This means that they predominantly feed on seeds, leaves, stems, and other plant material. This plant material is produced by primary producers (plants), and the kangaroo rats, in turn, provide a food source for secondary consumers (predators).
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which of these is most likely to cause increasing numbers of severe weather events
Answer:
slowing of the thermohaline circulation
Explanation:
just got it right
Why does warm water go on top of cold water
Why is something that is a danger to coral also a danger to other species?
Question 3 options:
a. Coral provide a habitat for many marine animals and plants.
b. Coral are actually composed of more than one species of marine life.
c. Other species eat coral.
d. Coral eat other species.
Answer:
A. Coral provide a habitat for many marine animals and plants.
Explanation:
if you have ever seen anything of a coral reef you will see plenty of fish in the coral hiding from predators, etc.
Which statement accurately describe the role of decomposers in the carbon cycle?
Answer:
A,C,D
Explanation:
What is the key characteristic of sponges and how are they involved in the sponges filter feeding process?
Specialized cells that filter out food particles, such as bacteria; characteristic of sponges. Animal that obtains organic matter for nutrition by filtering particles out of water. Opening through which water flows out of a sponge; excurrent pore.
Final answer:
Sponges are characterized by their unique filter feeding process, where water is pumped through their porous bodies, allowing collar cells (choanocytes) to trap and ingest food particles through phagocytosis.
Explanation:
Sponges, belonging to the phylum Porifera, are aquatic invertebrates known for their unique filter feeding system. Unlike other animals, they lack mouths and instead draw water through numerous pores on their surface. The water carries microscopic food particles into their bodies, which are then filtered out by specialized cells called choanocytes, or collar cells. These cells capture food through a process known as phagocytosis.
The feeding mechanism involves water entering through the pores (ostia) and passing through a large central cavity, the spongocoel, before being expelled out of the larger opening called the osculum. The water flow is unidirectional, driven by the beating of flagella on the choanocytes, within interconnected chambers lined by these cells. As the water passes, food particles are trapped by the collar of the choanocytes and ingested for nutrients, while oxygen is concurrently diffused into the cells, and wastes are expelled.
Overall, the key characteristic of sponges is their ability to filter feed by pumping water through their bodies, trapping food particles with their choanocytes, and utilizing intracellular digestion to sustain themselves.
Which of the following threats to biodiversity is a result of plants and animals introduced to an ecosystem where they are not normally found?
Answer:
THe answer is D Invasive species
Explanation:
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