Brighter feathers, however, give male birds a reproductive advantage and assist them attract female birds for mating. Because of this, populations of birds with brighter plumage continue to exist despite having a higher risk of being eaten by a predator.
Which of the following statements best describes why some birds have colorful feathers?They are used to entice prospective partners. Birds may recognize their own species by using colors and patterns. Birds can camouflage themselves against predators by using different colors. When courting, colors are utilized to draw attention (ie: courtship displays).
Explain the reason(s) for some animals' vivid coloring using at least two instances.Some animals are colored for physical protection, and some frogs can change the color of their skin to regulate their body temperature. Pigments in the skin of some animals prevent sunburn.
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Answer: Its D- become the dominant bird in the population
Explanation: I got it right on the test
Why does the moon appear differently thoughout the month?
A. The light generated from the moon turns on and off throughout the month.
B. The moon is orbiting the earth over the month and our view of the sunlit side changes.
C. The moon is orbiting the sun and our view of the sunlit side changes throughout the month.
D. The light reflected from the Earth's lights at different angles cause us to see it differently
Answer:
The moon moves through space in two ways: It revolves around Earth and also rotates on its own axis. The moon rotates once on its axis in the same time that it takes to revolve once around Earth. The changing relative positions of the moon, Earth, and sun cause the phases of the moon.
Explanation:
B.
Answer:
The moon moves through space in two ways: It revolves around Earth and also rotates on its own axis. The moon rotates once on its axis in the same time that it takes to revolve once around Earth. The changing relative positions of the moon, Earth, and sun cause the phases of the moon.
give that guy brainlyest l^l^l
Explanation:
6. Use your understanding of the Big Idea to explain which cell below converts the most
food into energy and why. Justify your answer.
Answer:
cell B
Explanation:
it has more mitochondria therefore more metabolism
WILL GOVE BRAINLIEST
Canyons, sinkholes, and caves are all landforms that are directly formed by which process? (HINT: In all three landforms, sediments have been carried away.)
A.) erosion
B.) deposition
C.) mechanical weathering
D.) chemical weathering
Answer:
They are all formed by erosion. Erosion can move sediment through water, ice, or wind. They are all eroded away. A.) Erosion
Hope this Helps!
which statement correctly describes how the destiny and temperature air are related ?
What is the scientific name for duckweed?
Answer:
Lemnoideae
Explanation:
got it off googl e lol
Answer:
Lemnoideae
Explanation:
scientific are weird aren't they?
The state of a medium helps determine the speed of sound passing through medium
True. The speed at which sound travels through a medium is determined by the properties of that medium.
What do you mean by sound?
Sound is a type of energy made by vibrations that travel through the air or another medium, like water. It is sensed by our ears and interpreted by our brains. Sound is made up of waves that have different frequencies, which determine the pitch and loudness of a sound.
Factors such as temperature, pressure, composition, and density can all affect the speed of sound in the medium. For example, sound travels faster through warmer air than through colder air, and faster through denser materials than through less dense materials.
Hence, the statement is True.
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Complete question:
The state of a medium helps determine the speed of sound passing through medium.
State True or False.
which of the following structures in a plant cell is responsible for the production of food
Answer:
chloroplastExplanation:
Chloroplasts are specialized organelles found only in plants and some types of algae. These organelles carry out the process of photosynthesis, which turns water, carbon dioxide, and light energy into nutrients from which the plant can obtain energy. There can be over one hundred chloroplasts in certain plant cells.
Chloroplasts are disk-shaped organelles that are surrounded by a double membrane. The outer membrane forms the external surface of the chloroplast and is relatively permeable to small molecules, allowing substances entry into the organelle. The inner membrane lies just beneath the outer membrane and is less permeable to external substances.
Between the outer and inner membrane is a thin intermembrane space that is about 10-20 nanometers wide. The center of the chloroplast that is enclosed by the double membrane is a fluid matrix called the stroma (you can think of this like the cytoplasm of the chloroplast).
Within the stroma, there are many structures called thylakoids, which look like flattened disks. Thylakoids are stacked on top of one another in vascular plants in stacks called grand. Thylakoids have a high concentration of chlorophyll and carotenoids, which are pigments that capture light energy from the sun. The molecule chlorophyll is also what gives plants their green color.
What is the theory which explains how
mammals wound up living in the oceans?
A. They migrated gradually from land.
B. They evolved from fish.
C. Aquatic dinosaurs became present day whales.
Answer:
B. They evolved from fish
Explanation:
most land dinos couldn't de-evolve into fish so They didn't migrate gradually from land and all Aquatic dinosaurs became extinct
2. Which is probably most responsible for the
formation of this landform? sc.6.E.6.1
wind
water
plants
animals
According to the given statement wind is probably most responsible for the formation of this landform.
What is Land formations?The four main categories of landforms are plains, plateaus, hills, and mountains. Landforms include things like rivers, lakes, buttes, canyons, basins, and valleys.
An earthly feature that is a part of the terrain is referred to as a landform. There are four main categories of landforms: mountains, hills, plateaus, and plains. Valleys, buttes, canyons, and basins are examples of minor landforms.
Mountains and hills can be pushed up by the Earth's tectonic plate movement. Valleys and canyons can be formed by erosion brought on by water and wind. The duration of these procedures can reach millions of years.
Underwater mountain ranges and seabed basins are examples of landforms that can exist. In the South Pacific lies the Mariana Trench, the world's deepest landform.
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which instrument is used o measure BP?
Answer:
A sphygmometer
Explanation:
A sphygmometer balances air pressure against the pressure of the blood in the artery.
Answer:
[tex]{\boxed{\boxed{\tt { Sphygmomanometer}}}} \ [/tex]
=> Sphygmomanometer is used to measure blood pressure.
Researchers determine the population of phytoplankton in an area of the ocean is significantly decreased compared
to the previous year. What can they conclude from this observation? (1 point)
The plankton as a carbon sink will be less than expected, but the plankton as a carbon source will
be greater than expected.
The plankton as a carbon sink and as a carbon source in the area will be less than expected.
The plankton as a carbon sink will be greater than expected, but the plankton as a carbon source
will be less than expected.
O The plankton as a carbon sink and as a carbon source in the area will be greater than expected.
This information might be used to draw the conclusion that there will be fewer plankton in the region than is typical both as a carbon source and sink, hence B is the appropriate response to this question.
What is phytoplankton?The kind of organisms that live in watery habitats are known as phytoplankton.
These species are autotrophic in nature and are the producers of this ecosystem. These creatures share a characteristic with terrestrial plants in that they both contain chlorophyll.
Therefore, if the phytoplankton population falls in the coming year, it means that the region's carbon supply and sink will be less than anticipated.
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JUUKCRD Runcud ligule liidulu yet
Juryapuddle
gaphakathi. Atholakala emadolobheni nasemakhaya okwenza sonke sithi
ambili ngenxanxathela yezitolo phambili". Asingayishiyi eyamathuba emisebenzi
lelwa bona abangomakhelwane ukuze bangagibeli kumoseke imali. Aphephile
anzekile, asiwagcine enjalo.
Umsebenzi Owenziwa Ngemva Kokufunda
Fundisisa imibuzo uthole ulwazi, uhlolisise, uncome, uqhathanise uze uthole
izimpendulo ezifanele.
Imibuzo
ke niphendule le mibuzo sizwe!
Okunjani lokhu okulandelayo:
Udukathole
Undabamlonyeni
• Udedangendlale Ugedisizungu
Ujikanelanga
• Inxanxathela
• Isiminyaminya
Esinedolo
e
Answer:
jakulin mo Ako or yung titi mo
Experts and above ONLY
To answer this u have to be expert, ace or genius level
25 PTS PLEASE HELP QUICK
(not related to the question but please add thx i want friends)
OK THX THE QUESTION IS BELOW
Answer:
Honestly I know this is unrelated to the images but I'd like to share with you.
Explanation:
Just have an open mind. (also the first image you put in the question is unable to open)
Scraping the inside of her cheek with a toothpick, a student was able to collect and view several identical cells on a microscope slide. This suggests the inside of her cheek shows which level of organization?
Select one:
Tissue.
Organ.
Organism.
Organ system.
Answer:
Tissue
Explanation:
Tissues are made of the same cells that all have the same function.
What makes the phenomenon of moon phases difficult to see or imagine?
Answer:
Lunar Phases.
Explanation:
Lunar phases are created by changing angles of the earth, the moon, and the sun, as the moon orbits the earth.
Based on the discussion in your text, which of the following strategies would effectively
reduce prejudice between groups?
Can a person have DID (Dissociative Identity Disorder) and BPD (Borderline Personality Disorder) at the same time?
Answer:
Yes, it is possible for a person to have both DID and BPD at the same time. According to the Diagnostic and Statistical Manual of Mental Disorders (DSM-5), a person can be diagnosed with both disorders if they meet the criteria for both.
Explanation:
The technology in the picture produces which energy conversion?
Quo
27
O A. Chemical energy to kinetic energy
O B. Kinetic energy to electrical energy
C. Thermal energy to kinetic energy
D. Light energy to electrical energy
Answer: B. Kinetic energy to electrical energy
Explanation:
The picture above depicts a hydro-electric power station where flowing water is used to generate electricity. It works by directing water to push against turbines which then turn and generate electricity through a generator connected to the turbines.
It is therefore converting the kinetic (motion) energy of the water to electrical energy that is generated by the generator.
In primary mutant screens, A) mutant flies are identified by morphology and then the mutant genes are isolated and studied. B) mutant flies are created by RNAi using random RNA sequences and then the genes affected identified. C) mutant flies are created by gain-of-function expression of random genes. D) two mutant flies are mated to determine if there is an effect on morphology.
Answer:
A) mutant flies are identified by morphology and then the mutant genes are isolated and studied.
Explanation:
The visualization of mutant flies is done with an experiment, where drosophila flies, also known as fruit flies, are captured and placed in closed bottles. The bottles have a mixture of banana and agar so that the flies can feed for a period of 15 days. During these 15 days, the flies made several crosses and over time, it will be possible to identify the appearance of mutant flies as a result of the number of crosses made inside the bottle. The mutant flies will be identified when the researcher is able to observe flies with legs, eyes and wings in different numbers than what is presented in a normal fly.
After being identified by their different morphology, the mutant flies will have their mutant genes isolated and studied.
ATP is used by the
a.muscles
b.entire body
c.organs
Answer:
a.muscles
Explanation:
ATP is used in the muscles
Which of the following is not a step in the mass production of an organic substrate in a fermentor?
Select one:
a. Inoculate the sterile media in the growth vessel with the microbe of interest.
b. Adjust the environmental conditions for optimal growth of the organism.
c. Add enzymes to catalyze all required steps in the process.
d. Harvest cells and purify the product.
e. Remove waste products and dispose responsibly.
Which of the following is not a step in the mass production of an organic substrate in a fermentor?
I think E. To remove waste products and dispose responsibly.
------lol--------
Explain the suns role in generating ocean currents
Answer:
sun and then river fresh water changes salt concentration in the ocean which contributes to currents
Explanation:
sun evaporates some ocean water
this increases water salt concentration
then when
river fresh water comes in the ocean
salt concentration in water changes
this contributes to ocean currents
ucsb dot edu
Select the correct answer.
Why is carbon considered tetravalent?
A. Since it has four electrons in its outermost orbital, it needs four more electrons to complete its octet.
B. Since it has two electrons in its outermost orbital, it needs four more electrons to complete its octet.
C. Since it has four electrons its outermost orbital, it can donate four electrons to complete its octet.
Answer:
The word tetravalent means having a valence of four because of the prefix - tetra. Carbon is considered tetravalent because it has four electrons in its outermost orbital. In order to follow the octet rule, it has to share four other electrons with other atoms. Thus, the answer is the first choice.
Pretty sure this is right! Hope it helps
Plate motion occurs as a consequence of convection in Earth's
crust
mantle
core
The movement of these tectonic plates is most likely caused by convection currents in the molten rock beneath the crust of the Earth. The immediate consequences of this tectonic shift are earthquakes and volcanic eruptions.
What effect does this plate movement have?Mountains will grow where plates converge or push together, and continents will split and oceans will form when plates pull apart or diverge. The Earth's geography has changed significantly over the span of millions of years as a result of the continents passively drifting with the plates.
What causes the mantle's plates to move?The plates fit tightly against one another and lie on the heated, molten rock of the Earth's mantle like fragments of a split shell.
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Question 2 (1 point)
Which particle has the electric field point Away from the particle?
3
Proton
Neutron
Electron
Megatron
Hey did you ever find out the answer because I'm really stuck.
Regarding living organisms, what is the most distinctive characteristic of a habitat?
Answer:
They refer to one species or individual.
Reproduction of same specie is the most distinctive characteristic of a habitat
Reproduction is the ability of an organism to produce offsprings of its same kind of which when that offspring grows and mature produces newer offspring in turn. Other characteristics such as Movement , Respiration, Nutrition, irritability, Growth,Excretion,Death can be experienced by all living things in thier spoecific ways. The only distinctive characteristic is Reproduction because every habitat will contain specific type of organism that will have features to adapt to that habitat.
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17. If most other species on Earth aren't monogamous, why are humans expected to be?
Which of the following events would decrease competition for resources in an ecosystem?
A- a fire has killed off a portion of the vegetation
B- a drought reduces the amount of water available to an ecosystem
C- a disease reduces the population of rabbits in a grassland area
D- many offspring are produced in a single year
Answer:
C. A disease reduces the population of rabbits in a grassland area
Explanation:
If a disease reduces the size of a rabbit population, there will be a decreased amount of competition for resources.
Less rabbits means that there will be less competition, since there will be more food available.
For example, there would be less competition in a rabbit population of 10 rabbits compared to one of 20 rabbits. This is because there are less rabbits competing for food.
So, the correct answer is C. A disease reduces the population of rabbits in a grassland area
The events that would bring decrease competition for resources in an ecosystem is C. A disease reduces the population of rabbits in a grassland area.
What is an an ecosystem?An ecosystem can be regarded as geographic area, consisting of organism as well as weather.
There is usually competition in an eco system for food and other resources however, disease can reduces the population which in turn reduces completion.
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Can someone help me with this
6.The signal strength, or "loudness," of a signal over time at different frequencies contained in a specific waveform is visually represented in a spectrogram.
What purpose does a spectrogram serve?The signal strength, or "loudness," of a signal over time at different frequencies contained in a specific waveform is represented visually in a spectrogram. One can observe how energy levels change over time in addition to determining whether there is more or less energy, for instance, at 2 Hz vs. 10 Hz.
How should a spectrogram be read?The vertical axis or y-axis of the spectrogram view shows frequency in Hertz, the horizontal axis or x-axis denotes time (exactly like in the waveform display), and brightness denotes amplitude. The sine wave is represented by the bright orange curve while the background is black, which represents silence.
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What does the area beneath a velocity-time graph represent?
The average speed
The average velocity
The distance travelled