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Answer:
Explanation: bro
PLs HelP Me
Why do bats use echolocation?
to locate safe places to sleep
to detect prey before it detects the bat
to defend against predators
to hunt for food at night
Answer:
I assume your doing this to give out points, if not then here it is.
They're blind
Step by Step explanation:
without being able to see and only hear you will need to follow the wave length in order to find where other friends are or parents, just like whales, whales can't see in the dark ocean so they use sound to find other whales.
Answer goes to the first person who did it before me
Explanation:
Hope ya have a good day giveing a 100 points if u fine my acc today
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
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 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
What were some criteria for scientists designing a way to monitor the reintroduction of wolves
The reintroduction of wolves in an area can be monitored by using radio collars, camera traps, and DNA analysis.
What were some criteria for scientists to monitor the reintroduction of wolves?The reintroduction of wolves to an area can have significant ecological and social impacts, therefore, it is important to monitor the reintroduction effort of wolves using a variety of methods such as radio collars, camera traps, and DNA analysis.
By monitoring the changes in the populations of other species in the area can help scientists to understand the ecological impact of the reintroduction of wolves.
Scientists can monitor the behavior and movements of individual wolves by analyzing their hunting behavior, and habitat use which help scientists to understand the successfully integration of wolves into the ecosystem.
Therefore, the reintroduction of wolves in an area can be monitored by using radio collars, camera traps, and DNA analysis or by monitoring the changes in the populations of other species.
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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.
Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
11a
Explanation:
a
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:
Two types of interactions that might have negative impact on the snow leopards population is
"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 :) ]
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
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.
Explain how a decrease in competition between species leads to the sudden appearance of many new species?
Answer:
In a long enough time the selection pressures caused by competition can cause evolutionary changes in resource preferences or growth strategies of organisms [19]. ... When two species compete for the same limiting resource the reduction of the niche overlap may lead to evolutionary changes in both species.
Explanation:
LOOK AT THE ATTATCHMENT PLS ANSWER ASAP! THX IN ADVANCE
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! (┬┬﹏┬┬)
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
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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We can predict that autumn will follow summer.
True
False
Answer:
False
Explanation:
look it up lol
The Moon's mass is lower than that of Earth, thus its gravity is ____ Earth’s gravity.
This is 5th grade btw
PLS HELP ILL GIVE BRAINLIEST AND 100 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer: on the side of earth opposite the moon
at both the north and the south poles
Explanation:
Why you would weigh more on Jupiter than you do on Earth.
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.
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:
What do organ systems combine to form?
organs
cells
organisms
tissues
Explanation please.
Answer:
Life processes of the human body are maintained at several levels of structural organization. ... Therefore, molecules combine to form cells, cells combine to form tissues, tissues combine to form organs, organs combine to form organ systems, and organ systems combine to form organism
Explanation:
its organisms
Which example best illustrates flower-pollinator coevolution?
A. Bees carry pollen grains from flower to flower.
B. Hummingbirds use long beaks to collect nectar from tubular flower
C. Butterflies rest on pale-colored flowers.
D. Ants eat flower nectar and occasionally get pollen stuck to their bodies.
Answer:
a or b I think its A tho
Explanation:
The best example iillustrates flower pollinated coevolution is Bees carry pollen grains from flower to flower.
What is coevolution in flower?Coevolution is the term used to describe the mutually reliant evolution of at least two species. Since its initial description in relation to insects and flowering plants, coevolution has been used to explain fundamental evolutionary processes like sexual reproduction, contagious diseases, and ecological communities.
Coevolution works by exerting reciprocal selective pressure on two or more species, similar to an arms race where competitors try to outdo one another. Predator-prey, host-parasite, and other competitive relationships between organisms are classic examples.
Even though coevolution often only involves two species, it can occasionally involve more. Coevolution also produces modifications that are advantageous to both parties.
Therefore, The best example iillustrates flower pollinated coevolution is Bees carry pollen grains from flower to flower.
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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.
Which is an example of a prokaryotic cell?
E.coli bacteria cell
Tree leaf cell
Human skin cell
Yeast fungal cell
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 part of the eye refracts light and focuses it on a single spot?
cornea
retina
iris
pupil
Answer:
Cornea
Explanation:
Internet
Answer:
Cornea
Explanation: