Answer:
A popular culture magazine.
Explanation:
Both a brochure from a doctor's office and a government agency's website are reliable, as their jobs include protecting us and ensuring our medical well-being.
The simple graph shows the relationship between available resources and population size. What evidence does the graph provide? A. An increase in the amount of available resources causes a decrease in population size. B. A decrease in the amount of available resources causes a decrease in population size. C. An increase in the population size causes an increase in the amount of available resources. D. A decrease in the population size causes a decrease in the amount of available resources.
Answer:
b
Explanation:
Its right
True or False: There are two basic tenets to cell theory.
True. There are two basic tenets to cell theory.
All living things are composed of cells.Cells are the basic unit of structure and function of all living things.The cell theory was first proposed in the 19th century by Matthias Schleiden and Theodor Schwann. They observed that all living things, from plants to animals, are composed of cells. They also observed that cells are the basic unit of structure and function of all living things.
The cell theory has been further refined over the years, but the two basic tenets remain the same. Today, we know that cells come in a variety of shapes and sizes, but they all share the same basic features. All cells have a cell membrane, a cytoplasm, and DNA.
The cell membrane is a thin layer that surrounds the cell. It protects the cell from its environment and allows nutrients and waste products to pass through. The cytoplasm is the jelly-like substance that fills the cell. It contains organelles, which are specialized structures that carry out different functions in the cell. DNA is the genetic material that contains the instructions for building and maintaining the cell.
The cell theory is one of the most important concepts in biology. It provides a framework for understanding the structure and function of all living things.
Here are some additional details about the two basic tenets of cell theory:
All living things are composed of cells: This means that every living thing, from a single-celled organism to a complex multicellular organism, is made up of cells.Cells are the basic unit of structure and function of all living things: This means that cells are the smallest unit of life that can carry out all of the functions necessary for life. Cells are able to grow, reproduce, and respond to their environment.The cell theory is a fundamental principle of biology. It provides a foundation for understanding the structure and function of all living things.
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18 points
Science Please need help
What is Osmosis, Diffusion in your own words or just a simple definition.
HELP MEEEE I forgot the answer
The largest front part of the brain is the ________
cerebellum
cerebrum
medulla
Answer: Cerebrum
Explanation: yes
In healthcare settings where sterilization is an absolute necessity what method of sterilization will typically be used?
A.disinfecting
B.autoclaving
C.boiling
D.pasteurizing
E.lyophilizing
Answer:
autoclaving
Explanation:
Autoclaving uses dry heat instead of water. Boiling water is too hot and may denature proteins. Boiling water does not kill everything, including bacterial endospores and some protozoan cysts.
Look at the diagram of the rock cycle below.
Which part of the cycle is missing?
A.
sedimentation
B.
melting
C.
crystallization
D.
mineral integration
From the diagram of the rock cycle the missing part is ( B ) ; Melting
Magma is a hot liquid/semi-liquid rock that is usually formed under the earth due to high pressure and temperature present in the inner core of the earth. magma is obtained by the melting down of existing rocks ( Igneous, sedimentary and metamorphic rocks ) under high pressure and temperature in the earths core.
Magma is released to the earth surfaces during volcanoes therefore the missing term in the rock cycle is melting
Hence we can conclude that from the diagram of the rock cycle the missing part is Melting.
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Here it is: The scale bar has a width of 20 micrometers, or 20 μm. (There are 1,000 micrometers in a millimeter.) Using the scale bar, about how wide is a human skin cell?
Explanation:
Working out magnification:
Measure the scale bar image (beside drawing) in mm.
Convert to µm (multiply by 1000).
Magnification = scale bar image divided by actual scale bar length (written on the scale bar)
We want to use the given image to estimate the width of the cell.
We will get the estimation of 24 μm
We know that the bar represents 20 micrometers, now we can just measure that bar with a ruler, from this, we see that the bar measures 2.5cm, so we can write the relation:
2.5cm = 20 μm
Then:
1cm = (20/2.5) μm = 8μm
Now we just need to measure the skin cell width with the same ruler, and then transform that to micrometers.
My measure says that the width is approximate 3cm, and each cm represents 8 μm, then the cell width is:
3*8μm= 24 μm
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True or False: The Calvin cycle is also known as the “light-dependent reaction” because it needs sunlight.
Answer:
false
Explanation: The Calvin Cycle, or light independent reaction, does not utilize sunlight as an input. During the light independent reaction, or the Calvin Cycle, carbon fixation first occurs. CO2 produced during the light dependent reaction reacts with RuBP, ultimately producing PGA.
Have a nice day!
HELP ASAP!!! In what way are moss and fern reproduction the same? (1 point)
Both spend the majority of their time in the gametophyte stage.
Both spend most of their time in the sporophyte stage.
Both need water for the gametes to unite.
Both need wind for the gametes to unite.
The what tells how many protons or electrons there are in an atom
choices:
A.atomic mass
B.atomic number
C.electrons
Answer:
i think its atomic number
Explanation:
List 3 negative impacts does plastic pollution have on the ocean?
Answer:
Negative physical impact on marine life, chemical impact on the water, and transport of native species.
Explanation:
Negative physical impact on marine life:
Plastic can be dangerous to creatures living in the ocean. Marine animals can fatally swallow plastic, become entangled in it, and even become physically impaired for the rest of their life.
Chemical impact on the water:
Plastics carry chemicals such as PCBs and DDT that can invade the water and cause harm to marine ecosystems.
Transport of native species:
Plastic can carry organisms from one part of the ocean to a relatively remote area. By introducing new organisms to an ecosystem, the flow can be disrupted and result in major consequences.
Which is an example of a trace fossil?
A: animal burrow
B: skin of organism
C: preserved bone
D: petrified wood
Answer:
A: Animal burrow
Explanation:
Edge 2021
Trace fossils can be defined as the ones that provide geological records of the behavior and activities of past life.
These are also known as Ichnofossils.Trace fossils include borings, track and trails, burrowings, and coprolites and gastrolithes.Among the given examples, the evidence of past life is provided by the burrows of animals.Hence, among the given examples, trace evidence is an animal burrow. Therefore, the correct answer is option a.
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The diagram shows the digestive system. Which label indicates an organ which produces a digestive juice but no enzymes?
1
2
3
4
5
Answer:
The correct answer is 4(the liver)
As a star's size increases, its luminosity ___ as a star's temperature ___, its luminosity increases
1. is the first blank increases or decreases?
2. Is the second blank increases or decreases?
As a star's size increases, its luminosity increases as a star's temperature increases, its luminosity increases.
what is star luminosity ?luminosity is a calculated unit which means the energy produced by stars or galaxy , it is represent in the form of either joules per second or watts.
It generally depends on the size of the star that the lager sized star more energy it give, more luminous.
Secondly, the temperature of the star, if two same sized stars with different temperature, then higher temperature will be more luminous.
It is otherwise determined the actual measure of the absolute magnitude of the power output of the star.
It can be used to understand the stellar classification of various stars.
It can be used to predict the lifecycle of the star and helps astronomers.
luminosity is much more specific than brightness of the star as it is a mathematical calculation.
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Which is the best example of plant tissue?
Answer:
The first picture is the best example of plant tissue.
Explanation:
Thank u and I hope this helps ;)
identity the 3 types of RNA that play roles in protein synthesis in this image
mRNA, rRNA, and tRNA are the three main types of RNA involved in protein synthesis
A pedigree chart is used to _______.
predict percentage of offspring with a trait
predict genotypic probabilities
track inherited traits through generations
identify the genotype of parents
A pedigree chart is used to track inherited traits through generations.
A pedigree chart is a visual tool that represents the inheritance patterns of specific traits or genetic conditions within a family. It helps to trace the occurrence of traits, diseases, or genetic conditions across multiple generations by depicting the relationships between individuals and their affected or unaffected status.
Pedigree charts are commonly used in genetics and genetic counseling to analyze patterns of inheritance, identify carriers of genetic disorders, determine the probability of passing on certain traits or diseases, and study the transmission of traits within families. By examining the patterns of inheritance in a pedigree chart, one can gain insights into the mode of inheritance, such as autosomal dominant, autosomal recessive, or X-linked inheritance, and make predictions about the likelihood of certain traits or conditions appearing in future generations.
Which of these is NOT a characteristic of flatworms?
A. Sense light with simple eyes
B. Most are parasitic
C. Have bilateral symmetry
D. Have an entire system of digestive organs
Answer: D
Explanation: This means that the digestive tract has only one opening. Their digestion takes place in their gastrovascular cavity and they don't have a respiratory system.
Explain the connection between photosynthesis and cellular respiration through your atom
Answer:
First, photosynthesis converts carbon dioxide and water into oxygen and glucose.
Then, glucose is used as food by the plant and oxygen is a by-product.
Next, Cellular respiration converts oxygen and glucose into water and carbon dioxide.
Last, water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
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30 points! Need help fast!
What words can you use to describe each one?
Answer:
bones:
long
short
flat
irregular
muscles:
excitability.
contractility.
extensibility
elasticity
skin:
normal
dry
oily
sensitive
Explanation:
Answer:
skin: oily dry wet
muscles: hard bold
bones: hard wet fragile
Question
Why is outlining important?
How can you create a blank outline?
This is not Biology Its language arts
HELPPPP ASAP!!!!! These are the last onesss
Which of the following adaptations would help a tree-dwelling nocturnal scavenger survive in its environment?
Light-colored fur
Heels with fur
Night vision
Short snout
Infectious Disease Investigation
The students are to investigate an infectious disease.
They will choose a specific infectious disease, such as the flu, common cold, or
COVID-19, and research its causes, symptoms, and preventive measures.
Students are to create informative posters or presentations about the disease,
including its transmission methods and ways to protect oneself from infection.
They will explain the importance of personal hygiene and vaccination in preventing
the spread of infectious diseases.
Following the summer vacation, the students will be given an opportunity to present
their findings to the class or organize an "Infectious Disease Awareness Campaign"
where they can share their posters or presentations with their peers.
Answer:
The common cold is an illness affecting your nose and throat. Most often, it's harmless, but it might not feel that way. Germs called viruses cause a common cold.
Often, adults may have two or three colds each year. Infants and young children may have colds more often
(02.04 MC) What does the theory of evolution tell us about how organisms adapt to their environment over time? Select one:
a. Natural selection occurs before changes in the environment.
b. A population changes in response to a change in the environment.
c. Environmental changes can be predicted based on changes in a population.
d. Natural selection leads to the survival of the population with the most complex traits.
Answer:
I think d) Natural selection leads to the survival of the population with the most complex traits.
Explanation:
Continental crust is composed of
A. metamorphic rock
B. igneous extrusive rock
C. sedimentary rock
D. igneous intrusive rock
PLEASE HELP 15 POINTS
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C. Sedimentary Rocks50 POINTS!
Energy is transferred into the ecosystem when
1.when bacteria absorbs nitrogen from other organisms
2. dead organisms decay and form organic matter
3. rodent prey on invertebrates
4.plants grow from the soil
Answer:
2
Explanation:
Energy is transferred between organisms in food webs from producers to consumers.
The energy is used by organisms to carry out complex tasks. The vast majority of energy that exists in food webs originates from the sun and is converted (transformed) into chemical energy by the process of photosynthesis in plants.
Answer: between organisms in food webs from producers to consumers.
Explanation:
Design a device that will knock a block of wood a distance of 5 meters.
This was the challenge in science class. Ben and Sam designed a pendulum to move the wood block. Their first design moved the block about 1.5 meters. They rebuilt their pendulum and changed the mass of the pendulum bob. After the changes, the boys knocked the block of wood 4 meters, 6 meters, and finally 8 meters. The average distance the block moved after the final changes to the pendulum was 6 meters. The boys won the design challenge.
Changing the pendulum design after the first trial was an example of _____________ to solve the problem presented by the teacher.
A) designing the model
B) evaluating the model
C) identifying the problem
D) doing research on the problem
Changing the pendulum design after the first trial was an example of evaluating the model to solve the problem presented by the teacher. So, the correct option is B.
What is Pendulum?A weight suspended from a fixed position in such a way that it can swing back and forth when pulled by gravity is called a pendulum. The consistent and predictable swinging motion of a pendulum makes it useful for many tasks, such as timekeeping, physics investigation, and engineering design.
In the example above, Ben and Sam analyzed their initial pendulum design after the first try and found that it could only move a wooden block about 1.5 meters. He decided that he needed to modify his design. After making adjustments to the mass of the bob, he rebuilt his pendulum. They were able to knock the wooden block over a distance of 4 m, 6 m and finally 8 m after making these adjustments with an average distance of 6 m.
Consequently, changing the pendulum design after initial testing was an example of evaluating the model and improving it as a result of the evaluation findings.
So, the correct option is B.
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Find the hot spot on the map. This represents one of the volcanoes of Hawaii, which gets its fuel because the island sits over a hot spot. Hot spots occurs at abnormally hot centers known as mantle plumes. Scientific models depict these plumes of molten rock almost like a lava lamp, with a rising bulbous head fed by a long, narrow tail that originates in the mantle. This type of volcanism, hot spot volcanism, is unique. Why?
A The hot spot volcanoes rarely result in mountain building; they are a destructive process.The hot spot volcanoes rarely result in mountain building; they are a destructive process.
B It does not occur at plate boundaries where most all other volcanism occurs.It does not occur at plate boundaries where most all other volcanism occurs.
C It occurs where two tectonic plates converge and is usually the site of mountain building.It occurs where two tectonic plates converge and is usually the site of mountain building.
D The resulting volcanoes always produce islands.
Answer:
A: The hot spot volcanoes rarely result in mountain building; they are a destructive process.The hot spot volcanoes rarely result in mountain building; they are a destructive process.
A biome is determined by ______, _____, and _____
climate, latitude, weather
plants, precipitation, seasons
climate, latitude, elevation
evaporation, temperature, animals
and
Answer:a is the answer
Explanation: