You measure the amount of chemical energy in some wood and it is 200J. Then you measure the amount of light and heat energy given off when you completely burn the wood. How much total energy (light and heat added together) would the wood give off when burned? How do you know?
Which is an example of a prokaryotic cell?
E.coli bacteria cell
Tree leaf cell
Human skin cell
Yeast fungal cell
Which part of the eye shrinks and enlarges depending on the amount of light that is present?
visual cortex
retina
cornea
pupil
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Nancy observed that her plant reproduced when she cut off a leaf and planted it. Over time, the leaf grew into…
The offspring plant from the leaf cutting is genetically identical to the parent plant, while a plant that reproduces through pollination will result in genetically diverse offspring due to the combination of genetic material from two parent plants.
The offspring plant that grows from a leaf cutting is a result of a type of asexual reproduction called vegetative propagation. In this process, a portion of the parent plant (such as a leaf, stem, or root) is detached and planted, giving rise to a new plant that is genetically identical to the parent. This means that the offspring plant has the same genetic makeup as the parent plant, making it a clone. The genetic information of the offspring plant is an exact copy of that in the parent plant.
On the other hand, when a plant reproduces through pollination, it involves the transfer of pollen from the male reproductive organ (stamen) of one plant to the female reproductive organ (pistil) of another plant of the same species. This sexual reproduction results in offspring that are genetically diverse. During pollination, the male gametes (sperm) combine with the female gametes (eggs) to form a zygote, which develops into a new plant with a unique combination of genetic traits from both parent plants.
In summary, the key difference between the two types of reproduction lies in the genetic makeup of the offspring. Asexual reproduction, as observed with the leaf cutting, produces genetically identical offspring (clones), while sexual reproduction through pollination generates genetically diverse offspring with unique combinations of genetic traits from both parent plants.
To learn more about pollination, here
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The complete question is:
Nancy observed that her plant reproduced when she cut off a leaf and planted it. Over time, the leaf grew into a full-grown plant. How is this offspring plant different from a plant that reproduces when one plant pollinates another? Explain your answer.
Describe what would happen to a moving object if no unbalanced force acted upon it. btw im in 5th grade
Answer:
An object at rest will tend to stay at rest; an object in motion will tend to stay in motion with the same speed and direction, unless acted upon by an unbalanced force
Explanation:
Answer:
An object at rest has zero velocity - and (in the absence of an unbalanced force) will remain with a zero velocity. Such an object will not change its state of motion (i.e., velocity) unless acted upon by an unbalanced force. Objects resist changes in their velocity.
Explanation:
The Moon's mass is lower than that of Earth, thus its gravity is ____ Earth’s gravity.
This is 5th grade btw
Dose someone know what are the key terms from dose words?
Answer:
nope srry. maybe look it up on g00gle
In your own words, explain what the geosphere is.
Answer:
one of the shells or spherical layers within the earth delimited above and below by discontinuities
Explanation:
Hope this helps :)
pls make brainliest :p
Use the diagram below to identify letter G.
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Nancy observed that her plant reproduced when she cut off a leaf and planted it. Over time, the leaf grew into a full-grown plant. How is this offspring plant different from a plant that reproduces when one plant pollinates another? Explain your answer.
Answer:
The first plant grew from a seed as is, therefore, a "full plant" but the second one is not a "full plant" because it was a part of another so it will probably be weaker than the original.
Explanation:
what is the reverse direction of endocytosis is
a-exocytosis
b-pinocytosis
c-phagocytosis
1.Earths ozone layer absorbs solar radiation,protecting the biosphere.Which atmospheric layer includes the ozone layer?
We were all once a single cell and today our body is made up of around 65 trillion cells. Explain how this happened.
Answer:
cell multiplication
Explanation:
cells multiply quickly and make up what we are today
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Answer:
Explanation: bro
Without an unbalanced force, an object will ____. This is 5th grade btw
1. stop moving altogether
2. change its direction
3. change its speed
4. maintain its velocity
Answer:
I think it's 3. change its direction
Explanation:
♥ I hope this helps ♥
Answer: 2. change its direction
Hope it helps?! +Give one example of a question that science could test. Then, explain in your own words why it is an example of a scientific question.
ASAP give me something!!!!!
Answer:
A good scientific question can be tested by some experiment or measurement that you can do. In this case "Where does the Sun come from?" is not as good as, "How will human skin, covered with SPF 30 suntan lotion, react to solar radiation compared to skin not covered with suntan lotion?
Explanation:
Which of Newton's laws is also known as the law of inertia?
im in 5th grade btw
You are riding in a car and speed up. What are the possibilities for the acceleration that your car undergoes? (Select all that apply.) Also i'm in 5th grade
-2.0 mph/s
-5.0 mph/s
2.0 mph/s
5.0 mph/s
Answer:
All of them
Explanation:
Since velocity is a speed and a direction, there are only two ways for you to accelerate: change your speed or change your direction—or change both. In a car you could accelerate by hitting the gas or the brakes, either of which would cause a change in speed.
1
Read the excerpt from Narrative of the Life of Frederick Douglass. Identify the tone in the following sentence.
"How I escaped death, I do not know. There I was, entirely alone, in a thick wood, in a place new to me. My cart was upset and shattered, my oxen were entangled among the young trees. and there was none to help me."
a. Suspensful, stressful
b. Thrilling, exciting
c. Mysterious
d. Factual
Answer:
The answer is C. The way Douglass explains his situation gives off mysterious vibes than anything else. sorry if it's wrong! (┬┬﹏┬┬)
What two things define an object's velocity? (Select two answers) this is 5th grade btw
1. acceleration
2. direction
3. weight
4. speed
Answer: speed and direction
Explanation: Velocity is a vector quantity, so it will have both speed and direction. So, the answer will be answers 2 and 4
"The silver trump of freedom had roused my soul to eternal wakefulness. Freedom had now appeared, to disappear no more forever. It was heard in every sound, and seen in every thing....I saw nothing without seeing it, I heard nothing without hearing it, and felt nothing without feeling it."
a. Frederick Douglass believed in freedom, and wanted all slaves to be free.
b. Frederick Douglass had a silver trumpet that inspired the other slaves to be free.
c. Frederick Douglass heard freedom in every word his masters spoke.
d. Frederick Douglass could think of nothing but freedom and how much he wanted it.
Answer:
The answer is B
Explanation:
In the text, Frederick makes it clear to us the silver trump not only inspired the slaves, but him also. He couldn't see the trump without looking at it. He couldn't hear the trump without listening to it, and he couldn't feel the trump without feeling it either. [ i hope this helped :) ]
Once an object is in motion, what type of energy is being used? im in 5th grade btw
Answer:
Kinetic energy
Explanation:
Kinetic energy means you are in motion and creating friction and Potential energy is when you are staying in one place.
Hope this helps! Sry if I get it wrong!
A car drives with a constant speed of 55 miles per hour. How far can it travel in three hours? Also i'm in 5th grade not in high school this is science
Answer:165mph
Explanation: just do 55*3
Write the definition of extinction and give an example
Answer:
Extinction is when a species of organism dies out completely-when this happens, there's no coming back or bringing them back.
Example: The dodos becoming extinct, or killing the last of a rare bird
I need help please!!
Answer:
Explanation:
Solids, liquids and gases are three states of matter. In solids, the particles are tightly packed together. In liquids, the particles have more movement, while in gases, they are spread out. Particles in chemistry can be atoms, ions or molecules.
Which part of the eye refracts light and focuses it on a single spot?
cornea
retina
iris
pupil
Answer:
Cornea
Explanation:
Internet
Answer:
Cornea
Explanation:
What is the term for the "invisible force" that holds you to Earth's surface? im in 5th grade btw
Answer:
gravity
Explanation:
gravity helps keep everything grounded
GRAVITY IS THE INVICIBLE FORCE
Explanation:
1. Earths ozone layer absorbs solar radiation,protecting the biosphere.Which atmospheric layer includes the ozone layer?
Answer:
stratosphere (The second layer of the earth's atmosphere)
Explanation:
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"I was now, for the first time in my life, a field hand. In my new employment, I found myself even more awkward than a country boy appeared to be in a large city. I had been at my new home but one week before Mr. Covey gave me a very severe whipping, cutting my back, causing the blood to run, and raising ridges on my flesh as large as my little finger."
a. Douglass uses a factual tone to describe his new experience at his employment, explaining horrible moments to demonstrate how bad things were.
b. Douglass speaks in an angry tone, remembering how Mr. Covey treated him and showing us how much he was in pain.
c. Douglass uses a sad tone to show how upset he was at being whipped right when he got to his new employer.
d. Douglass speaks hopefully, describing how he would soon be free of Mr. Covey.
Answer:
D
Explanation:
D
Answer:
Explanation:
D