Answer:
The cell wall surrounds the plasma membrane and provides tensile strength and protection
Answer:
Plant cell needs cell wall because the plants need rigid structure so that they can grow up and out. The cell wall surrounds the plasma membrane of plant cells and provides tensile strength and protection against mechanical and osmotic stress.
Does this help?
Which of following is NOT a mechanism of evolution?
natural selection
mutation
speciation
genetic drift
gene flow
non-random mating
Evolution is a term that is used for how living things have evolved from another form different from the current form.
Of the given options, speciation is not a mechanism of evolution.
Take for instance, the human.
Human was believed to have evolved from Australopithecus to human (after several evolution stages)
There are several mechanisms that contribute to evolution.
However, speciation is not a mechanism of evolution, but instead it is a process of evolution, where new species are formed
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Which statement describes a property of magnets? plz help
If you move 70 meters in 10 seconds, what is your speed?
Answer:
7 m/s
Explanation:
70 divided by 10
If purple skin - P is dominant to red skin - p. What is the genotype for someone with red skin? *
Answer:
Every genotypic combination with DD or Dd is classified as Rh Positive (red).Explanation:
It may be because extra blood rushes to the skin's surface to fight off irritants and encourage healing. Your skin can also become red from exertion, such as after a heart-pounding exercise session.This is just an explanation of why there skin might turn red. Hope this helps!Answer: 50-60% chance of being a darker skin tone, in this case Purple (P).
And red skin would be: 40-50%
Explained:
The Genotype is the genes of an organism. A capital letter represents the dominant form of a gene ( P is a cap so it is dominant) , and a lowercase letter is the abbreviation for the recessive form of the gene (less dominant).
So darker skins have dominant traits. So
50-60% chance of being a darker skin tone, in this case Purple (P).
And red skin would be: 40-50%
Constructing a Pedigree Chart Trait: albinism is a recessive trait A- Dominant a- recessive 1. Individual 1 (female parent); Individual 2 (male parent). 2. 1 is normal and individual 2 is albino 3. 1 and 2 have three children: #3- female, normal #4- male- is albino #5- female, normal #6 female, albino 4. #6 marries a normal male (#7) 5. #6 and #7 have three children #8- female- normal #9- female- albino #10- female- albino 6. #3 marries a normal male (#11) 7. #3 and #11 have two children #12- male, albino #13- female- normal
Answer:
Im confused by this
Explanation:
Im not sure if you really need help cause everything is all there
What are the green structures inside plant cells where photosynthesis takes place called?
Answer:
Your answer should be.. Chloroplast
The ______________ receives the most direct light throughout the year?
Equator
North Pole
South Pole
Texas
Answer: Equator
Explanation: The Sun's rays shine most directly on the equator making it warmer, and the Northern and Southern Hemispheres get the same amount of Sunlight, making them equal.
Which best describes Earth’s magnetic field lines?
o The field lines go out of Earth near the South Pole, enter Earth in the North Pole, and are aligned with the geographic poles.
o The field lines go out of Earth near the South Pole, enter Earth in the North Pole, and are not aligned with the geographic poles.
o The field lines go out of Earth near the North Pole, enter Earth in the South Pole, and are aligned with the geographic poles.
o The field lines go out of Earth near the North Pole, enter Earth in the South Pole, and are not aligned with the geographic poles.
The earths magnetic field extends far and wide but it is very weak in terms of the field strength. The field lines go out of earth near the south pole, enter earth in the north pole, and are not aligned with the geographic poles describes earth’s magnetic field lines. The correct option is B.
The earth's magnetic field is also defined as the geomagnetic field. The earth's magnetic field extends millions of kilometers into the outer space and looks like a bar magnet. The earth's south magnetic pole is actually near the north pole and the magnetic north pole is Antarctica.
The field lines go out of the earth near Antarctica, enter earth in northern canada, and are not aligned with the geographic poles.
Thus for magnetic field lines option B is correct.
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Select all the correct answers.
Melissa lives in a town called Greendale. She discovers that when she lights a match and holds it near her kitchen faucet, the little flame grows into a larger fire. Melissa is surprised because she thought the water would extinguish the flame rather than ignite it further. Her mother tells her that the water might be contaminated with dissolved methane, a primary component in natural gas. Melissa investigates the matter and finds that cases of methane contamination started shortly after a company began fracking for natural gas in the area.
Based on this information, which three statements are plausible consequences of fracking in Greendale?
Fracking contributed to methane finding its way into the residential water supply.
Fracking is always safe to use in the proximity of Greendale's water supply.
Pressure from fracking forced methane to mix with Greendale's groundwater.
Fracking in Greendale produces more freshwater than it consumes.
If fracking can contaminate city water, it might also poison nearby rivers.
Answer:
If fracking can contaminate city water, it might also poison nearby rivers
Explanation:
It is a pretty challenging question, but in my opinion this is the correct answer. I have mor information for you,m fire does not extiguish with water because water has Oxygen and oxygen is what keeps fire alive, if you want to extinguish it you have to trap fire with CO2 or carbondioxide wich is the chemical that kills fire. I dont know if this answert is enough for you but I hope its the correct one.
Where does water exit a plant (be specific)?
The graph below shows the distance traveled by four cars, A, B, C, and D, over a period of time.
Which of the following statements can be concluded from the information on the graph?
A. All cars traveled at least 90 kilometers.
B. All cars traveled at different speeds.
C. All cars traveled for 4 hours.
D. All cars came to a stop, but at different times.
list 5 ways we can help the ocean and the organisms living in it.
Answer:
1. Reduce Pollutants
2. Conserve Water
3. Eat sustainable seafood
4. Don't purchase items that exploit marine life
5. Don't throw trash into the ocean
Hope this helps :)
Why is it difficult for people to preserve nature by giving up the practice of rhino poaching?
(dont use g)ogle)
Answer:
Because people hunt rhinos to show how great that they are. The use rhino horns and heads tas tophes to prove that they are a great hunter. They also sell rhino parts for money. SO people don't want to give up hunting because of its benefits.
What is the name of the process by which plants take in sunlight, carbon dioxide, and water, allowing them to make sugar and oxygen?
Answer:
the 3rd one
Explanation:
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities.
Answer:
PhotosynthesisExplanation:
Plants are autotrophs, which means they produce their own food. They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel.Which BEST describes the relationship between adaptations and environmental factors?
A)Environmental factors can determine which mutations are classified as adaptations.
B)Environmental factors determine which adaptations an organism will decide to develop.
C)Mutations determine which environmental factors will negatively affect an organism’s survival.
D)Mutations determine which adaptations a species will adopt over a period of time.
Answer:
I think its C
Explanation:
Which of these cells are made up of Tissue that perform a larger function?
Atom
Compound
Molecule
Organ
Answer:
Organ is the correct answer✔✔✔
Explanation:
Organ is made up from two or more tissues groups of similar cell that work together
Answer:
The answer would be the Organ.
Explanation:
An Atom, Compound, and a Molecule are all very small and don't function something as large as what an organ could function. (If you didn't know, the organ is a collection of tissues that structurally form a functional unit specialized to perform a particular function. things like your heart, kidneys, lungs are all examples of organs.
Through what country does the Indus River mainly flow?
Answer:
Pakistan
Explanation:
The Indus is one of Asia's mightiest rivers. From its source in the northwestern foothills of the Himalayas, it flows through the Indian state of Jammu & Kashmir and along the length of Pakistan to the Arabian Sea.
Answer:
Pakistan!
Explanation:
Imagine your cell phone rings. Describe how the sound gets transmitted from your phone to your ear, and then, from your ear to your brain. In your response, be sure to mention the type of wave that a sound wave is, the medium the sound is transmitted through before it gets to your ear, and what happens in your ear once the sound reaches it.
it is a mechanical wave type
The sound gets transmitted from your phone to your ear - air - eardrum- bones- nerve ending-electrical impulse - cranial nerve - the brain.
SoundSound is a compression wave that requires a medium upon which to travel. When the phone rings the sound waves of the ring travels through the air and reach the ear.
The air that vibrated due to sound waves enters the ear and vibrates the eardrum sympathetically, which acts on the bones malleus, incus, and stapes in the ear.
The vibrations of bones act on the hairs in the cochlea (inner ear), which acts on the aural nerve endings are set into motion. These nerve endings transform the vibrations into electrical impulses that then travel along the eighth cranial nerve (auditory nerve) to the brain.
Learn more about the inner ear:
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When the force of air resistance acts on an object, it eventually stops gaining speed. This speed is known as ____________ .
Answer:
momentum
Explanation:
one of the characteristic of the planet mars that makes it very diffrent from earth is that it dose not have a large magnectic feild.based on what you know about earth magnetic feild what do think is different about mars interior
Answer:
field
Explanation:
I will really be happy if you guys or girl help. I know 1 throw five
a car increases speed from 30 mi/hr to 65 mi/hr is this speed, velocity, or acceleration :)
Answer:
acceleration :)
Explanation:
The car is speeding but, it's spending up so It would be accelerating (moving fast)
Hope this helps :)
Millions of years ago, a small population of birds lived on the Hawaiian Islands. Over time, this population evolved into more than 54 separate species, each with different colors, beak shapes, and food sources. Which of the following best explains why the original population of birds evolved into so many different species?
A Many of the birds were killed each time a volcano erupted on the Hawaiian Islands.
B The Hawaiian Islands had few predator species to decrease the lifespan of the birds.
C The bird population moved into and adapted to many different environments on the Hawaiian Islands.
D The climate of the Hawaiian Islands rarely changed, which helped the bird population to increase in size.
Answer:
C. The bird population moved into and adapted to many different environments on the Hawaiian Islands.
Why:
When a species adapts itself to new environments certain features will change, such as beak size, wing use, and even height, these are all changed depending on what the species does and needs to survive. These birds all changed food sources which made them have to adapt their beaks over time to new sources, and natural color to over generations camouflage themselves better from predators.
(Hope this was a good explanation.)
Can youuuuu help me plsss
Answer:C
Explanation:If I’m wrong I’m sorry,but I’m pretty sure that is the answer because I already learned about this.
Which organisms move from place to place through the interaction of muscles and jointed appendages?
-Protozoans and hydras
-grasshoppers and humans
-earthworms and grasshoppers
-earthworms and protists
Answer:
2
Explanation:
Without genetic variation, natural selection would not be possible. Explain why.
hello
Answer:
Explanation:
Without genetic variation, natural selection is only able to grow the number of allelomorphs that previously existed in the population. Natural selection can't select anything if there is no difference between individuals. Natural selection occurs through an interaction between the environment and the variability of the individual organisms making up a population. If every giraffe had the same neck length, there would be nothing to change and they would never have a long neck by now.
Genetic variation is the alteration of the genetic composition of an organism. Without genetic variation, natural selection is impossible as it selects species with divergent and favorable genes.
What are genetic variation and natural selection?Genetic variation is the difference in the genetic composition or the genes of the organism of the population due to mutation and environmental conditions.
Natural selection is a process that selects the genetically different and fit organism that can survive and reproduce in altered conditions.
Therefore, natural selection occurs in a population with genetic variability.
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plz answer im giving out brainliestttt ;)
Answer:
Number 3 is the answer
Explanation:
In the experiment, you will determine whether adding nutrients to the soil changes the community of plants growing there. This is done by looking at the habitat’s composition and structure. Write a scientific question that you are answering by doing this lab. Write your question in general terms, not in terms of specific plants
Answer:
no answer but to just give water to the plant and sunlight do not use too much water or it might drown give it a shot glass size of water.
What is Earth's cosmic address?
-5th planet orbiting a red giant star in the Andromeda Galaxy
-4th planet orbiting a yellow dwarf star in the Andromeda Galaxy
-3rd planet orbiting a yellow dwarf star in the Milky Way Galaxy
-2nd planet orbiting a red giant star in the Milky Way Galaxy
Answer:
C
Explanation:
earth is 3rd from the sun
FIRST ANSWER GETS BRAINLIEST PLEAAASEEE HURRY!!!
Which of the following are periods in the geological time scale?
Check all that are true.
Paleozoic Era
Cenozoic Era
Precambrian Time
Darwinian Time
Mesozoic Era
Answer:
precambrian time, and paleozoic era,
Explanation:
hope this helps have a good night/day :) ❤