Answer:
A scientific idea can be revised when more experiments are conducted and more data is collected. This is because if you conduct more experiments, collect more data, and find out the scientific idea was wrong, then you would need to correct it.
Which is an example of a prokaryotic cell?
E.coli bacteria cell
Tree leaf cell
Human skin cell
Yeast fungal cell
Match each sound wave property with its observable effect.
*Answers may be used more than once.
Properties:
amplitude
wavelength
frequency
Observable Effects:
volume
pitch
The Moon's mass is lower than that of Earth, thus its gravity is ____ Earth’s gravity.
This is 5th grade btw
1. more than
2. less than
3. the same as
Two types of interactions that might have negative impact on the snow leopards population is
ASAP DIS IS LATE PLS ASAP o(≧口≦)o
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.
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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.
What happens to prey populations when predators eat some individuals
Answer: They grow more slowly, reproduce less, and populations decline. ... As predator populations increase, they put greater strain on the prey populations and act as a top-down control, pushing them toward a state of decline. Thus both availability of resources and predation pressure affect the size of prey populations.
1. You are given a number of mixtures. Which of the choices below would be a heterogeneous mixture?
A. Salt dissolved in water?
B. A cake batter that has been baked?
C. Fruit salad?
D. A container of iron filings?
Explain why the answer you chose is the correct answer.
Idaho has winter, but Florida does not.
True
False
Why you would weigh more on Jupiter than you do on Earth.
Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
11a
Explanation:
a
Scientists often rely on _____ as evidence when looking at an animal’s reproductive success.
A. data
B. inferences
C. conclusions
D. reasoning
Scientists often rely on data as evidence when looking at an animal’s reproductive success. Thus, option A is correct.
What is reproduction?Reproduction has been defined as the process carried out by the living organisms and during the process of reproduction the living organisms produces their own young ones and feed them. Reproduction is the supreme quality of living things.
There are two types of reproduction and these are sexual and asexual reproduction. The process of reproduction in which two parents are involved is said to be sexual mode of reproduction and the process of reproduction in which only single parent is involved in known as asexual mode of reproduction. The example of asexual reproduction are budding, fragmentation, spore formation, and binary fission.
Reproduction is the supreme quality of living things. Reproduction has been defined as the process carried out by the living organisms and during the process of reproduction the living organisms produces their own young ones and feed them.
Therefore, Scientists often rely on data as evidence when looking at an animal’s reproductive success. Thus, option A is correct.
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Which statement gives an advantage of multicellular organisms?
One cell performs all of the necessary functions.
All of the cells are the same.
They can grow large.
They can reproduce quickly.
Explain pls
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
Douglass speaks hopefully, describing how he would soon be free of Mr. Covey"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
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:
many species of animals carry an allele for albinism (lack of pigmentation). Albinos are usually pale or white in color. explain why the allele for albinism is present at la lower frequency than the allele for having pigments. what conditions would be necessary for the albino allele to be more frequent?
Answer: breeding an albino with an albino and let the babies lose and repeat
Explanation:
The allele for albinism is present at a lower frequency because it is not adaptive for most of the environments where humans live.
What is an allele?An allele is a gene variant that confers a certain fitness to an individual depending on the environment where this organism lives.
Adaptive alleles are in high frequency because they confer an adaptive advantage.Non-adaptive alleles are present in low frequency because they do not confer an advantage.In conclusion, the allele for albinism is present at a lower frequency because it is not adaptive.
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1.Earths ozone layer absorbs solar radiation,protecting the biosphere.Which atmospheric layer includes the ozone layer?
Using a diagram or physical model to make a prediction about how lunar phases might be changed if the moon was hit by an asteroid
please help quick
Answer:
mak a plastik moon
Explanation:
make a plastic moon and make a bid dent
The actual effects would depend on various factors, including the size and velocity of the impacting asteroid, the angle of impact, and the specific characteristics of the Moon's surface. Also, these effects might be subtle and might require careful observation to detect changes in lunar phases.
New Crater Formation: The impact of an asteroid on the Moon's surface would create a new crater. This crater would likely disrupt the terrain and create a visible indentation on the Moon's surface.
Altered Reflectivity: Depending on the size and composition of the impacting asteroid, the reflectivity (brightness) of the impacted area could change. A significant impact might expose different layers of the Moon's surface materials, affecting how it reflects sunlight.
Changing Shadows: The new crater and any ejected materials could cast unique shadows during different lunar phases. The angle and position of these shadows might be different from what we typically observe.
Temporary Brightness: Immediately after the impact, the debris and ejected material might temporarily increase the Moon's brightness, potentially affecting its appearance during full moon phases.
Long-Term Effects: Over time, if the impact was significant, the crater and surrounding area might continue to affect the Moon's appearance during different phases, causing irregularities in the brightness and shadow patterns.
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Which part of the eye shrinks and enlarges depending on the amount of light that is present?
visual cortex
retina
cornea
pupil
LOOK AT THE ATTATCHMENT PLS ANSWER ASAP! THX IN ADVANCE
The Moon's mass is lower than that of Earth, thus its gravity is ____ Earth’s gravity.
This is 5th grade btw
Think of one wild plant or animal species that lives near your home. Do you think that organism is native to
the local habitat? If it is, what steps could you take to protect it? If it is not, how would removing it affect
other organisms in the area?
Which of the following is described by the change in an object’s position? btw im in 5th grade
1. position
2. force
3. motion
HELP PLS
HELP PLS
HELP PLS
HELP PLS
HELP PLS
HELP PLS
Answer:
Explanation: bro
Water has a density of 1g/mL. There are four rocks that all have the same volume of 10 cubic centimeters. The mass for each of these rocks is given below. Which one of the four rocks will float when placed in water?
A.) 30 grams B.) 20 grams
C.) 12 grams D.) 8 grams
Explain why your answer is correct.
Answer:D
Explanation: Because it has the least amount of density in it. All the others are heavier, meaning they will sink. Just like if you drop a rock water and a feather, the feather will float.
Density def:
Density, mass of a unit volume of a material substance. ... Density offers a convenient means of obtaining the mass of a body from its volume or vice versa; the mass is equal to the volume multiplied by the density (M = Vd), while the volume is equal to the mass divided by the density (V = M/d).
The rock with a mass of 8 grams will float when placed in water because the density of this rock is less than the density of the water.
Given,
Water has a density of 1g/mL.
There are four rocks that all have the same volume of 10 cubic centimeters.
The mass of each of these rocks is given below.
A.) 30 grams
B.) 20 grams
C.) 12 grams
D.) 8 grams
We need to find which one of the four rocks will float when placed in water.
What is density?Density is the ratio of mass and volume.
D = mass / volume
If an object's density is less than the water density the object will float on the water.
Find the density of each rock.
All rocks have the same volume.
V = 10 cm³
Convert it into milliliters.
1 cm³ = 1 ml
10 cm³ = 10 ml
So,
V = 10 ml
A.) 30 grams
D = 30 g / 10 ml = 3g / ml
B.) 20 grams
D = 20 g/ 10 ml = 2g / ml
C.) 12 grams
D = 12 g / 10 ml = 6g / 5 ml = 1.2 g / ml
D.) 8 grams
D = 8 g / 10 ml = 4 g / 5 ml = 0.8 g / ml
We see that Option D is the only rock that is less than the density of water.
i.e 0.8 g / ml < 1 g / ml
Thus rock with a mass of 8 grams will float when placed in water.
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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:
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?! +We can predict that summer days will be longer than winter days.
True
False
Answer:
true
Explanation:
The hemisphere that's tilted closest to the Sun has the longest, brightest days aka summer
What is a difference between how ants and elephants primarily use grouping for survival?
PLEASSSWEEEE
Answer:
Answer is below
Explanation:
Ants are tiny insects you need small amounts of food and share with other ants
Elephants are usually alone and are huge which means they need more food and they are also have to watch out for predators.