How would life on earth change if there was no clean water or air?
Answer:
With no water supply, all vegetation would soon die out and the world would resemble a brownish dot, rather than a green and blue one. Clouds would cease to formulate and precipitation would stop as a necessary consequence, meaning that the weather would be dictated almost entirely by wind patterns.
are food will die then the animals will die then we would die and the earth wouldn't be green no more it will be brown and bry there will be no clouds ether or grass
What is the molecule called that all living things use for immediate
useable energy?
ATP, Sugar,fat, All of these
Hello there!
I think ATP would be the answer in this instance. See, ATP is the pure form of energy that cells prefer to use. Sugars and fats are good for energy, too - but sugars and fats must be converted into energy before use. So ATP is the only energy source listed that doesn't need to be metabolized before the cell can use the energy.
I hope this helps!!
mRNA
UGU UAU AUC GAA
Answer:
I can not see the picture?
What are the characteristics of sodium?
Answer:
it is a soft metal
it react In a low melting point with a relative density
it is luster
it is of silver and white colour
it have ductility
A keystone species maintains the __ in the ecosystem. A. Energy B. Stability C. Producers
Answer:
i would say A energy
Explanation:
srry if i got it wrong but have a nice day
Describe how radio telescopes are used to explore space.
Answer:
A radio telescope is a form of radio receiver used in astronomy. In contrast to an "ordinary" telescope, which receives visible light, a radio telescope sees radio waves emitted by radio sources, typically by means of a large parabolic (or a "dish") antenna, or arrays of them.
Explanation:
How are photosynthesis and cellular respiration connected as a cycle?
Answer:
Photosynthesis is when energy, carbon dioxide and water react to produce glucose and oxygen. It is an endothermic reaction (takes in more energy than it gives off).
glucose + oxygen + (energy) → carbon dioxide + water
C 6 H 12 O 6 + 6 O 2 → 6 CO 2 + 6 H 2 O
Respiration is the process of producing energy from glucose. It uses glucose and oxygen to give water, carbon dioxide and energy (thus making it exothermic).
carbon dioxide + water + energy → glucose + oxygen
6 CO 2 + 6 H 2 O → C 6 H 12 O 6 + 6 O 2
As you can see from the equations, they are essentially the reverse of each other.
Another difference is how they are used. Respiration occurs in the mitochondria of all living cells, whereas only plants photosynthesize.
In plants, they make their own glucose using the sun's energy, then respire to allow them to use the glucose for the energy they can use. The glucose can also be stored and used in many other ways other than in respiration.
4. While on the Galapagos Islands, Darwin observed variety in one type of
animal that was later used to help him form his theory of natural selection.
Which type of animal was this? *
Finches
Giant turtles
Lemurs
Bananas
The neurons that send signals from the brain to the body muscles are motor neurons
true or false
Answer:
true
Explanation:
4. The suns energy causes water to change from liquid to gas during the process of ..
A. precipitation
B. condensation
O C. evaporation
O D. Water cycle
Compare the two Food Web. Which ecosystem would be more likely to survive if a disease killed the grass?
a The forest ecosystem, because the animals would be able to eat other organisms.
b The grassland ecosystem, because it has many herbivores.
c he grass ecosystem, because several predators compete for food
d The forest ecosystem, because it has 3 top predators
Answer:
A
Explanation:
just A, I remember doing this in like 4th or 3rd grade don't really remember but I makes sense
Energy that comes from the Sun
1. chlorophyll 2.Photosynthesis
3.Radiant energy
4.Phytoplankton
Answer:
2
Explanation:
Chlorophyll is the molecule that absorbs sunlight and uses its energy to synthesise carbohydrates from CO2 and water. This process is known as photosynthesis and is the basis for sustaining the life processes of all plants.
DON'T GIVE ME A LINK! ANSWER THE QUESTION!
A student wants to use cookies to make a model of the genetic makeup of the offspring of asexual reproduction. He has vanilla cookies and chocolate cookies available. How can he make his model?
A.
Put chocolate cookies in a row with arrows between them showing the progression from parent to offspring.
B.
Use one chocolate cookie parent with arrows showing that it produces vanilla cookies and chocolate cookies as offspring.
C.
Use chocolate cookies and vanilla cookies as the parents, and vanilla cookies and chocolate cookies as the offspring.
D.
Use chocolate cookies and vanilla cookies as parents, and combine half a vanilla cookie and half a chocolate cookie for the offspring.
(sorry if this sounds a little aggressive but I'm tired of people giving links to files that are dangerous for children, especially a site made up for children who knows how old. I don't want anything to happen to them that can traumatize them for the rest of their lives)
Answer: its D i hope
Explanation:
Due to its location, Hawaii does not have very many land birds. The Hawaiian honeycreepers are a favorite for many ornithologists. There are over 50 species of honeycreepers that can all be traced back to one ancestor. The level of diversity in an ecosystem can be determined by the frequency of speciation and extinction.
a) Describe speciation and identify two possible prezygotic barriers of the Hawaiian honeycreepers that contribute to speciation.
b) If the Hawaiian honeycreepers became extinct, explain how the newly available niches could lead to speciation.
Answer:
In speciation, organisms evolved with the passage of time.
Explanation:
Speciation is the evolutionary process in which populations of species evolve with the passage of time to become different species from the original one. Temporal isolation and gametic isolation are two possible prezygotic barriers of the Hawaiian honeycreepers that contribute to occur speciation. The newly available niches could lead to speciation of that organisms that tolerate the Hawaiian climatic conditions when the extinction of Hawaiian honeycreepers occurs. The new organisms used the available resources such as food and space etc and increase its population.
Explain the role of aquaporins in the rapid movement of water through some cells
Answer:
In the early 1990s, aquaporins were discovered, and it was found that they can selectively control water movement into and out of cells. One of the critical functions of aquaporins is that while they allow the passage of water they prevent the passage of ions.
Which of the following statements is correct?
A. Landfills solved pollution problems caused by waste disposal.
B. Wastewater from cities no longer carries toxic chemicals into waterways.
C. Laws regulating waste disposal have put an end to pollution problems caused by waste.
D. Much of the pollution in our environment is a byproduct of inadequate waste disposal.
Answer:
D
Explanation:
all the others are false
Much of the pollution in our environment is a byproduct of inadequate waste disposal, hence option D is correct.
What are the problems of waste disposal?There are some problems caused by solid waste disposal include: finding suitable landfill locations, groundwater pollution, and soil pollution.
Landfills have not solved pollution problems caused by waste disposal, because it creates soil pollution in the area where waste is disposed of, which decreases the fertility of the soil.
Wastewater from cities carries toxic chemicals into waterways, which is the major cause of water pollution in that area. There are some laws that regulate pollution, but not all the person follows them.
Therefore, waste disposal is the major factor of pollution.
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Fossil fuel dependence has an impact on which of the following?
A)
the environment
B)
economics
C)
poverty
D)
international security
E)
all of the above
Please help what's the answer
A short true-breeding plant will always produce a short plant.
True or false
Answer: false
Explanation:
Which of these is produced as a result of fertilization?
-a zygote with half the number of chromosomes as a gamete
-a gamete with twice the number of chromosomes as a zygote
-a zygote with twice the number of chromosomes as a gamete
-an egg with half the number of chromosomes as a zygote
Explanation:
Third Option is absolutely correct.
The north pole of a compass magnet points toward
O A. magnetic north
B. geographic south
C. geographic north
D. magnetic south
SUBMIT
D. Magnetic south
Hope this helps :)
Pls, help!! The word banks are in the pictures.
Answer:
1. life
2. microscope
3. organelles
4. tasks
5. flexible
6. covering
7. cell
8. diffusion
9. low
10. high
11. osmosis
12. thick
13. shape
14. cellulose
15. herbivores
16. nucleus
17. directions
18. parents
19. DNA
20. genes
21. powerhouse
22.
23. respiration
24. glucose
25. APT
26. vacuoles
27. storage
28. larger
29. cytoplasm
30. gel-like
31. water
HELP!!!! 50PTS!!! AND WILL BE MARKED BRAINLIEST!!!!
Based on the information in the data table and the cladogram shown below, which of the following best describes the evolutionary history of lizards? (4 points)
Amniotic membrane Bipedal locomotion Hair Jaws Lack of tail Lungs
Gorilla X X X X X X
Human X X X X X X
Lamprey
Leopard X X X X X
Lizard X X X
Salamander X X
Shark X
Image depicts a cladogram with lamprey, shark, salamander, lizard, leopard, gorilla, and human represented. Shark diverges from lamprey with the introduction of jaws. Salamander diverges from shark with the introduction of lungs. Lizard diverges from salamander with the introduction of amniotic membrane. Leopard diverges from lizard with the introduction of hair. Gorilla diverges from leopard with the absence of a tail. Human diverges from gorilla with bipedal locomotion.
They are more closely related to lampreys than they are to leopards.
They evolved into a separate species as a result of the presence of an amniotic membrane.
They have jaws and lungs but lack an amniotic membrane.
They share a more recent common evolutionary ancestor with salamanders than they do with sharks. I think is D
Answer:
D. They share a more recent common evolutionary ancestor with salamanders than they do with sharks.
Explanation: Just took the test and got it correct
The cladogram shows that lizards share a more recent common evolutionary ancestor with salamanders than they do with sharks.
What is cladogram?A cladogram is a diagram in the form of a tree wgich shows the evolutionary relationship between organisms based on similarities shared in structure or function.
The cladogram given show that sharks, lizards and salamanders have a common origin but that Lizard diverges from salamander with the introduction of amniotic membrane.
Therefore, Lizards share a more recent common evolutionary ancestor with salamanders than they do with sharks.
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Toxicology is used to determine
A. the classification of a pathogen
B. the vectors of a disease
C. how poisonous a substance is
D. what emerging viruses can cause disease
Other:
How is the process of protein synthesis similar to the process of programming a computer? How is it different?
Answer:
Protein synthesis is the process in which cells make proteins. It occurs in two stages: transcription and translation. ... Translation occurs at the ribosome, which consists of rRNA and proteins. In translation, the instructions in mRNA are read, and tRNA brings the correct sequence of amino acids to the ribosome.
Both the synthesis of proteins and computer programming entail a series of instructions that lead to a particular output. While programming a computer and making proteins have some parallels, they are essentially separate activities that take place in different domains and use different tools and procedures.
What are the similarities and differences between proteins and computer programming?Similarities between proteins and computer programming:
Protein synthesis and computer programming both involve a series of instructions that are carried out in a particular order to get the intended result.Both processes need input data to produce output, and both processes require input data.Both methods rely on a language or code that is used to specify the instructions.Differences between proteins and computer programming:
Protein synthesis is a biological process that takes place inside of cells, whereas computer programming is a human-made activity that takes place inside of a machine.DNA and RNA are used in protein synthesis, just as a programming language is used in computer programming.Ribosomes, tRNA, and amino acids are used in protein synthesis to create proteins, whereas compilers, interpreters, and machine code are used to create programme for computers.Therefore, both the synthesis of proteins and computer programming entail a series of instructions that lead to a particular output.
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which of the following scientists can be identified as a taxonomist?
Answer: Taxonomy is the science of naming, describing and classifying organisms and includes all plants, animals and microorganisms of the world. Using morphological, behavioral, genetic and biochemical observations, taxonomists identify, describe and arrange species into classifications, including those that are new to science.
Students learned that the job of one body system is to filter out cellular
wastes, toxins, and excess water or nutrients. Which body system has
this function? *
A. Excretory system
B. Muscular system
C. Endocrine system
D. Skeletal system
HELP ME PLEASE ❤️
Answer:
A. Excretory system
hope it helps
6. What is the complementary messenger-RNA sequence for the DNA sequence shown below?
(Helpful hints: RNA has U not T. Under the C, write a G, Under G write a C, under A write U, under the T write an A for adenine.
Portion of DNA: CAC ATT - write the complementary mRNA sequence below
Portion of mRNA:
Which of the following best describes a relationship in this grassland?
A Badgers are top predators because they eat upland sandpipers and beetles.
B A producer-consumer relationship exists between lupines and ants.
C a predator-prey relationship exists between beetles and ground squirrels.
D upland sandpipers are primary and secondary consumers because they eat grasses and grasshoppers.
Answer:
D.
Explanation:
They consume both things that consume food and things that produce food.
PLEASE HELP I WILL MARK BRAINLIEST‼️
EXTRA POINTS‼️‼️‼️
Answer:
15200
Explanation:
76,000 divided by 5