Answer:
a. yes
b. high concentration.
Explanation:
Yes, molecule move from high concentration to low concentration by the process of diffusion.
What is diffusion?
Diffusion is a process or movement of molecules where they move from high concentration to low concentration. It is a passive movement. Molecules move downhill from their concentration gradient.
Since, for transfer of this molecules no energy is required it is called passive transport. In plants diffusion is a important process for transfer of gases.
In animals, it plays a important role for transfer of gases such as oxygen and carbon dioxide. If we bring cheesy pizza into the classroom then the aroma of the molecules move down the concentration gradient.
Therefore, Yes, molecule move from high concentration to low concentration by the process of diffusion.
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How do biologists model changes in a population?
Explanation:
It changes to improve more because humans are so popular in the world.
fossils show how organisms change, or ___ , over time
A. Evolve
B. Decay
C. Compact
Answer:
evolve I believe is the answer
By what process do organisms that contain chlorophyll use solar energy to convert carbon dioxide and water into compounds containing chemical
energy?
aerobic respiration
anaerobic respiration
O glycolysis
O photosynthesis
Answer:
photosynthesis
Explanation:
What organisms can be found in the Aphotic zone of a lake?
Answer:
The majority of organisms in the aphotic zone include sea cucumbers (phylum Echinodermata) and other organisms that survive on the nutrients contained in the dead bodies of organisms in the photic zone.
Explanation:
Answer:
The majority of organisms in the aphotic zone include sea cucumbers (phylum Echinodermata) and other organisms that survive on the nutrients contained in the dead bodies of organisms in the photic zone.
Explanation:
DOES EXERCISE HELP PREVENT A HEART ATTACK?
actually environmental science own words please need now
Answer:
Yes regular exercise allows the cardio vascular system to remain healthy and will help your heart, so it will lessen your chance of a heart attack.
Question 4 of 10
Many people try to eliminate fat from their diets. Which is one reason it is
necessary for humans to eat fat?
O A. Fat stores less energy than polysaccharides.
OB. Saturated fats clear out the blood vessels.
O C. Eating fat is the fastest way to get energy.
O D. The internal organs are cushioned by fat.
SUBNE
Answer:
C
Explanation:
because it keeps long term energy and is used for like swimmers
Green plants and algae make their own food through
photosynthesis. What is photosynthesis?
a cell process that uses energy from sunlight to convert water and glucose into food
a cell process that uses energy from sunlight to convert water and carbon dioxide into food
Oa cell process that uses energy from sunlight to convert
water and oxygen into food
a cell process that uses energy from sunlight to convert water and chlorophyll into food
Answer:
a cell process that uses energy from sunlight to convert water and glucose into food
Explanation:
This is because the plant uses the products from respiration (water and glucose) and sunlight to make food. Plants are the only living organisms (apart from bacteria) that make their own food
Ur welcome
Answer:
a cell process that uses energy from sunlight to convert water and carbon dioxide into food
Explanation:
During photosynthesis, the cell traps light energy to fuel to conversion of carbon dioxide and water into glucose.
A green pigment called chlorophyll traps the light energy to drive the reactions required to synthesise glucose. Only algae and green plants have chlorophyll, so only these organisms perform photosynthesis.
These reactions make glucose, which is a food source, and release oxygen into the atmosphere.
[OU.03] A star is moving away from Earth. An astronomer plans to measure the distance of the star from Earth by observing the blue shift in its spectrum. Which of these statements best explains why the astronomer's method of measuring the star distance is inappropriate? The spectral shift of moving stars cannot be observed. Common instruments cannot measure the blue shift accurately. A blue shift can be observed when the star moves towards Earth. Rate of motion of stars cannot be matched with the rate of measuring distances.
Answer:
The correct option is;
A blue shift can be observed when the star moves towards Earth
Explanation:
For a star moving away from an observer, the wavelength of the light emitted by the star becomes (shifts) longer and the light is seen to shift towards the longer red end of the spectrum of light
When the the star moves towards the observer, the light is seen to have shorter wavelength such that the light is observed to move towards the blue (shorter wavelength) end of the spectrum of light
Therefore, the astronomer, will rather observe a redshift for the receding star
Answer:
A blue shift can be observed when the star moves towards Earth.
Explanation:
Florida is a peninsula bound by the Atlantic Ocean on the east and the Gulf of Mexico on the west. The sea affects temperatures along Florida's coast. How do coastal temperatures compare to those inland? Group of answer choices Higher maximum and higher minimum temperatures occur on the coast. Higher maximum and lower minimum temperatures occur on the coast. Lower maximum and higher minimum temperatures occur on the coast. Lower maximum and lower minimum temperatures occur on the coast.
Answer:
The answer is a
Explanation:
Can someone please help me?
Answer: All of the above
Explanation:
Which of the following is the phase in which cells spend most of their time?
Interphase
telophase
prophase
O metaphase
The eastern part of the United States and much of western Europe have similar abiotic factors. Do you think the two regions
have similar plant and animal life? Explain why or why not.
Pls help I really need help :)
Answer:
The body needs phosphorus to build and repair bones and teeth, help nerves function, and make muscles contract. Most (about 85%) of the phosphoruscontained in phosphate is found in bones. The rest of it is stored in tissues throughout the body. The kidneys help control the amount of phosphate in the blood.
The main difference is that there is not a significant reservoir of phosphorous in the atmosphere, while both nitrogen and carbon are found in large amounts in the atmosphere.
Chose all of the reasons why a cell needs to divide.
A.For the growth of the tissues and organs of an organsim
B.To make genetically identical copies
C.To replace worn out or damaged cells
D.To replace dead cells
E.None of the above
Answer:
To replace worn out or damaged cells
What do you mean by chromatography?
Answer:
Chromatography is a laboratory technique used to separate the components of a mixture by passing the mixture through a stationary phase.
Many factors affect visibility. Which of the following would LEAST (not)
affect visibility?
A)fog
B)rain
C) pollution
D)air pressure
Answer:
A
Explanation:
Answer: D
air is invisible.
In one experiment, Mendel grew 633 green pea plants with wrinkled seed covers. If the ratio of wrinkled seed plants to straight coat seed plants was 3: 1, how many straight coat seed plants did he grow? *
Answer:
31
Explanation:
pls somebody help If the relative humidity is 80% and the temperature is 90° F what happens if the temperature increases to 100° F?
A. The relative humidity drops.
B. The relative humidity increases.
C. The relative humidity doesn't change.
Answer:
A. The relative humidity drops.
Explanation:
If the humidity is high, it makes it cooler out.
How is mitochondrial DNA
typing used in forensic science
Answer:
An unknown mitochondrial DNA (mtDNA) sample is matched to a sample of mitochondrial DNA (mtDNA) that was recovered at the scene.
Explanation:
Once a sample is collect, the mtDNA is then tested to see if it matches the mtDNA from the scene.
Answer: An unknown mtDNA sample is matched to a sample of nuclear DNA that was found at a crime scene.
Explanation:
Pure substances made up of only one type of atom is called a/n:
Whole gratis heats, barley, and wheat, are good sources of the B-complex vitamins. These foods are also considered very good sources of
energy Why would whole grains be good sources of energy?
A They are rich in fats which are broken down and stored in the body through processes that require B-complex vitamins,
OB They are rich in complex carbohydrates which provide energy, and their B-complex vitamins are important for transporting
these carbohydrates to cells that need energy
OC They are rich in fats which can only be transported to energy producing cells with the help of B-complex vitamins
OD They are rich in complex carbohydrates which can be broken down for energy, and their B-complex vitamins are involved in
metabolic processes that release this energy
Reset
Next
Answer:
D They are rich in complex carbohydrates which can be broken down for energy, and their B-complex vitamins are involved in metabolic processes that release this energy
Explanation:
A substance is a good source of energy if it is rich in complex carbohydrates.
Carbohydrate rich food substances that produce energy when broken down. They are the main stay for power in the body. Vitamin B-complex helps in carbohydrate metabolism.Deficiency of this vitamin hinders the rate at which metabolism of carbohydrate occurs. Therefore, the listed grains are good sources of energy.Which statement best describes enzymes?
Every enzyme controls many different reactions
The rate of activity of an enzyme might change as pH changes
Temperature changes do not affect enzymes
Enzymes are produced from the building blocks of carbohydrates
Answer:
The rate of activity of an enzyme might change as pH changes
Explanation:
Enzymes are organic catalysts that controls the rate of a specific chemical reaction.
These materials combines substrates in order to lower the activation energy which might serves as a barrier to chemical action.
Enzymes have specific reactions which they control. Temperature and PH conditions control the rate at which enzymes work. They are not all produced from the building block of carbohydrates.What is the air pressure 10000 meters above sea level
Answer:
Example - Air pressure at Elevation 10000 m. The air pressure at altitude 10000 m can be calculated as. p = 101325 (1 - 2.25577 10 -5 (10000 m)) 5.25588. = 26436 Pa. = 26.4 kPa. vacuum.
Explanation:
hope this helps!
-B
SOME ONE HELP ME!! FOR A MAJOR GRADE!!!
The allele for long whiskers in seals is dominant over the allele for short whiskers.
Part A.
What percentage of offspring could be expected to have short whiskers from a cross of parents with Ww and WW genotypes?
A.0%
B.50%
C.75%
D.100%
Part B.
What percentage of offspring could be expected to have a genotype of Ww between a cross of parents with the genotype Ww and Ww?
A.25%
B.50%
C.75%
D.100%
Answer:
Part A. - D.) 100%
Part B - B.) 50%
Answer:
part a- 0%
part B- 50%
Explanation:
im not sure on part b but that sounds right
someone pls help me with this, bcs i really dont know what’s happening, as im new to Biology
Answer:
they can cause a lot of harm in human body
Explanation:
based on research, a virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism.
Bacteria are a type of biological cell. They constitute a large domain of prokaryotic microorganisms.
and lots more all can do a lot of damage to the human body they can even take someone's life.
Explanation:
Bacteria Viruses One celled organism. Made only of a strand
Can cause diseases. of DNA or RNA surro-
-ded by a protein coat
Can cause diseases.
Both
Can cause diseases in the body.
Are considered Pathogenic.
Hope this helps.......☺
help asap
If we compare photosynthesis and cellular respiration in terms of energy conversions involved, we observe that in ______________.
a
cellular respiration, carbon dioxide is used to produce energy.
b
photosynthesis, glucose is used to produce carbon dioxide.
c
photosynthesis, radiant energy is used to produce glucose and oxygen.
d
cellular respiration, energy is used to produce oxygen.
Answer:
c
Explanation:
Regardless of cost, which biomass fuel provides the most energy?
Answer:
Wood
Explanation:
Trapped energy is released by burning and can be converted into Biomass Energy.
so, wood would remain the largest Biomass Energy source.
Good Luck. ☺
Examine the food web. Describe two food chains: one with the owl as a
secondary consumer, and one showing the owl as a tertiary consumer.
Hawk
Snake
Fox
Owl
Bird
Frog
Rabbit
Mouse
Grasshopper
Grasses
When the owl is the secondary consumer , the food chain will be
Grasses ⇒mouse⇒ owl
When the owl is the tertiary consumer , the food chain will be
Grasses⇒grasshopper⇒frog⇒ owl.
Food chain contains series of branches which depicts how energy flows
within an ecosystem.
The primary producers such as plants usually begin the food chain which is
then followed by primary consumers which are mostly herbivores. The
secondary or tertiary consumers are mostly carnivores or omnivores.
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Would an earthquake in the Colorado Rockies be likely to form a tsunami? EXPLAIN
[ EXPLAIN YOUR ANSWER]
Answer:
No, it would not be likely to form a tsunami.
Explanation:
A tsunami cannot be formed in the Colorado Rockies because it is not near water, therefore one cannot be created.
Which organisms does NOT eat krill? A)seal B)fish C)penguin D)orca
Answer:
The answer is D
Explanation:
Killer whales do NOT eat krill, they eat squid, fish, penguins, seal, and other whales.
Answer:
D) orca.
Explanation:
They eat seals and other large creatures.
