Answer:
Cacti evolved in the way that they are able to hold watter within themselves and their cells.
Explanation:
Cactuses have evolved in such a way that their roots and leaves hold water as long as possible. This gives the capability of cacti to meet this environmental pressure in order to conserve water.
What are the special adaptations of the cactus?Under desert climates, cacti have various numerous unique adaptations in order to facilitate their survival in the same habitat. It includes its roots, leaves as well as stems that enable it to thrive in desert environments.
These adaptations include: Leaves are reduced to spines to reduce water loss through transpiration. Wide and deep roots absorb rainwater on the surface and reach the underground deep water.
Therefore, cactuses have evolved in such a way that their roots and leaves hold water as long as possible.
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The gravitational pull between two objects depends on their mass and distance. What is meant by distance?
1 point)
A. How close the two objects are located, meaning that closer objects have a stronger
gravitational pull than objects farther apart.
B. The height of an object above the ground, meaning that an object will fall faster as the
height above the ground increases.
C. How far apart the two objects are located meaning that objects farther apart have a
stronger gravitational pull than closer objects.
D. The length of the object, meaning if the object is longer it will exhibit more gravitational pull
than if it is short.
at what time should we definitely seek shade to avoid sun exposure? between 6am and 8am between 8am and 10am between 10am and 4pm between 4pm and 10pm
SCIENCE. PLEASE HELP!!!!
Answer:
Between 10am and 4pm
Explanation:
This is when the sun is at its higest point, allowing it to radiate more UV rays on your skin.
Answer:
during the time btw 10 am to 4 pm because sun is scorching at that time so you should seek shade btw this time
why is there no enzyme to digest vitamins
Answer:
Vitamins are used in their original form by the cells. They are either water soluble or fat soluble, hence no enzyme is required to digest vitamins. They are absorbed directly from the digestive tract, transported by blood to the cells, and the cells absorb and use them whenever they need.
3 Question
Drag the tiles to the boxes to form correct pairs.
A fossil can reveal many characteristics and properties of the original species. Match the following
characteristics to the fossil of the once-living organism that best demonstrated the characteristic.
s
Tiles
was a predator
crawled and burrowed
walked on two legs
was a stationary organism
Pairs
First image shows a stationary organism whereas the second image indicates predator.
The first picture represents a leaf structure which is a part of plant and we know that plant is a stationary organism means it can't move from one place to another so that's why it is called a stationary organism.
While on the other hand, the second picture represents predator due to the presence of sharp teeth which helps the predators in catching and tearing of prey so we can conclude that first image shows a stationary organism whereas the second image indicates predator.
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Answer:
1. walked in two legs
2. crawled and burrowed
3. was a stationary organism
4. was a predator
Explanation:
For each offspring genotype in the Punnett square you just completed, determine the phenotype. In other words, what is the predicted fur color and eye color of the offspring? Using your Punnett square from the last step, fill in the predicted fraction for each phenotype in the data table below.
Black Fur and Black Eyes Black Fur and Red Eyes White Fur and Black Eyes White Fur and Red Eyes
Predicted Fraction
/16
/16
/16
/16
Assuming diallelic genes, expressing complete dominance and not interacting, the predicted fractions are 4/16 Black Fur, Black Eyes - 4/16 Black Fur, Red Eyes - 4/16 White Fur, Black Eyes - 4/16 White Fur, Red Eyes
Available data:
Two traits are involved in this cross ⇒ fur color and eye color.Black fur color is dominant over white fur colorBlack eyes is dominant over red eyesThe cross is between a h0m0zyg0us recessive parent with a dihybrid one. What can we deduct about this information?
Assuming diallelic genes coding for each trait, expressing complete dominance, and no interaction between genes, we can propose the following genotypes and phenotypes.
Genotype Phenotype
BBEE, BbEE, BBEe, BbEe Black fur, Black eyes
bbEE, bbEe White fur, Black eyes
BBee, Bbee Black fur, Red eyes
bbee White fur, Red eyes
How to perform the cross?Cross: h0m0zyg0us recessive parent with a dihybrid parent
Parental phenotypes) White fur, Red eyes x Black fur, Black eyes
Parentals genotype) bbee x BbEe
Gametes) be, be, be, be
BE, Be, bE, be
Punnett square) BE Be bE be
be BbEe Bbee bbEe bbee
be BbEe Bbee bbEe bbee
be BbEe Bbee bbEe bbee
be BbEe Bbee bbEe bbee
F1)
4/16 = 1/4 = 25% of the progeny is expected to be dihybrid, BbEe, expressing black fur and black eyes4/16 = 1/4 = 25% of the progeny is expected to be heter0zyg0us for fur color and h0m0zyg0us recessive for eye color, expressing black fur and red eyes.4/16 = 1/4 = 25% of the progeny is expected to be heter0zyg0us for eye color and h0m0zyg0us recessive for fur color, expressing white fur and black eyes.4/16 = 1/4 = 25% of the progeny is expected to be h0m0zyg0us recessive, bbee, expressing white fur and red eyes.Predicted fraction per phenotypeBlack Fur and Black Eyes ⇒ 4/16 BbEeBlack Fur and Red Eyes ⇒ 4/16 BbeeWhite Fur and Black Eyes ⇒ 4/16 bbEeWhite Fur and Red Eyes ⇒ 4/16 bbee
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Answer: look at the picture
Explanation:
Which of the following best explains the importance of Earth’s crust to living organisms? a. The continental crust allowed the evolution of life on land. B. The crust provides raw materials necessary for life. C. The crust allowed the formation of fossil fuels. D. The rock cycle recycles sedimentary rocks formed from animal shells. Please select the best answer from the choices provided A B C D.
The statement 'the crust provides raw materials necessary for life' best describes the interaction between Earth's crust and organisms. It is fundamental for the biogeochemical cycles.
Earth's crust consists of a tiny layer on the outside of Earth that accounts for less than one percent (1%) of Earth's volume.
The Earth's crust is essential in biogeochemical cycles that support the continuity of life on the Earth planet.
These biogeochemical cycles include, among others, the carbon cycle, nitrogen cycle, phosphorous cycle, etc.
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The air we breathe is mostly a mixture of oxygen and nitrogen. How do air molecules change when they reach altitudes above 100 km?
I need to make sure the answer I have is right.
As you increase in altitude, there are fewer air molecules. Due to the lower amounts of air molecules, the atmospheric pressure decreases causing the air to be harder to breath in.
In this pedigree, 1-2 is
because they are shaded in.
Answer:
is affected ( has the trait)
Explanation:
Sucrose is an organic compound made by plants for quick energy.
What type of organic compound is sucrose?
protein
carbohydrate
lipid
nucleic acid
Answer:
it's a carbohydrate
Explanation:
Sucrose (which is known as a table sugar) is a very common disaccharide, which is made up of the monomers glucose and fructose.
What two-word term has been used to describe the annual shopping and sports mayhem in Philadelphia and the time when U.S. retailers typically show a profit?
The two-word term used to describe the annual shopping and sports is Black Friday.
From the United States (U.S.) financial history, the two-term word black Friday was first used in 1869.
The first annual black Friday occured in Philadelphia in which alot of retailers attracted their key customers and made profits through the discount they placed on their products.
Black Friday was used to describe the financial crisis after the United States's gold market crashed.
Literally, black should depict something negative or loss but on the contrary, the business world uses black to describe profit.
Therefore, the two-word term used to describe the annual shopping and sports is Black Friday.
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The equator has light closer to 90 degrees, at the poles the angle is lower than 90 degrees. Use this information and refer to the data from Table B to explain why the tropics (near the equator) are hotter than the arctic region (north/south poles). Be sure to include data from Table B in your answer.
The temperature at tropic region is warmer than the polar temperatures due to angle of the sun.
The tropics which is located near the equator are hotter than the arctic region i.e. north and south poles because the sunlight falls directly on the tropic regions at 90 degrees while on the other hand, the sunlight falls on the poles not directly and form angle lower than 90 degrees.
The amount of solar energy in a given area is greater at the equator and tropic regions than in an equal area at the poles so that's why the temperature at tropic region is warmer than the polar temperatures.
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4. Using the Celsius scale, at what temperature does water freeze? At what temperature does water boil?
Answer:
Using celsius water freezes at 0, and water boils at 100.
Explanation: That is the purpose of the celsius scale to measure between those two points.
which codon on the mrna strand codes for the amino acid carried by the aminoacyl-trna represented in the figure?
Answer:5’UUC-3
Explanation:
What is cell membrane made up ?
The cell membrane is mainly composed of lipids. Moreover, the cell membrane also contains membrane proteins and carbohydrates.
The cell membrane:The cell membrane is a cellular structure that separates the cell from its surrounding environment.The cell membrane is mainly composed of lipids, i.e., phospholipids and cholesterol (steroids).However, the cell membrane also contains membrane proteins (both integral as peripherical proteins) and carbohydrates (i.e., glycoproteins).In conclusion, the cell membrane is mainly composed of lipids, although this structure also contains proteins and carbohydrates (glycoproteins).
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The last woman scientist discovered one gene that is unique in human, and she called it an Eureka moment. How many letters are different in that gene if you compare the chimp version with the human version
Only one letter is different between the human gene and the chimpanzee gene.
What is a gene?
A gene is a term to refer to the molecular unit of genetic inheritance that is composed of deoxyribonucleic acid, that is,
A sugar group. A phosphate group. A nitrogenous base. Guanine (G) Cytokine (C) Thymine (T) Adenine (A)
Man and chimpanzee share 99% of their genes. However, there are important genetic differences for us to be a different species from chimpanzees. Well, the change of a single nitrogenous base and differentiates the gene of a chimpanzee from the gene of a human.
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SOMEONE PLEASE HELP!!!!!
Five similarities and differences between a prokaryote and a eukaryote cell.
Answer:
Prokaryotic Cell Eukaryotic cell
Mitochondria absent Mitochondria present
Cytoskeleton absent Cytoskeleton present
Ribosomes smaller Ribosomes larger
Explanation:
two types of cells are found in the organisms: eukaryotic and prokaryotic depending on whether cells contain membrane-bound organelles or not.
true or false? local biogeochemical cycles are isolated within their particular ecosystem and all ions and molecules remain in that ecosystem permanently.
Which of Earth's spheres are involved in the water cycle?
O A. Atmosphere, hydrosphere, and biosphere only
Imy
O B. Atmosphere and lithosphere only
O C. Atmosphere, lithosphere, and hydrosphere only
O D. Atmosphere, lithosphere, hydrosphere, and biosphere
Answer:
the answer is D.
Explanation:
all of the spheres interact with each other in order to make the water cycle occur.
Aristo was riding in a car and noticed a pond that was covered in algal blooms due to excess phosphorus in the water. Which of these other features in the landscape could be the reason for the high levels of phosphorus? many cars cow pasture solar panels forest.
Algae blooms are caused by an oversupply of nutrients like to water bodies, causing eutrophication. In the exposed example, a reason for the high levels of phosphorus is option B. Cow pastures.
-------------------------
Eutrophication is a biological process produced in water by an oversupply of nutrients or organic matter.
The source of these high nutrient levels, especially nitrogen and phosphorus, are anthropogenic activities.
This oversupply favors phytoplankton multiplication, especially cyanobacteria.
Cyanobacteria can grow in seawater, but blooms mainly occur in freshwater where the salinity level is low.
These algae species that affect freshwater bodies are microscopic, photosynthetic organisms.
Blooms of cyanobacteria reflect the sanity state of water and its abiotic characteristics. They cause severe disasters in water biota and affect human health.
This overgrowth leads to an enhance in primary productivity and reduces the pass of radiation to deeper strata. This fact affects biota in deeper zones.
Gradually sedimentation begins, caused by the death of some vegetable organisms that sink in the bottom.
These sediments suffer decomposition in the presence of oxygen.
When oxygen disappears, anaerobic bacteria act and produce fermentation.
Phytoplankton overgrowth on the surface and fermentation process in the bottom, originate toxic compounds that can damage the animals in the water body and humans that get in touch with this water.
Animals die, creating more sediments in the bottom where there are anaerobic conditions.
The lack of oxygen and light continued to increase in decomposition, and fermentation produces a bad smell and toxicity.
Concerning the sources of nutrients that might be causing these events, we can mention, among others, cow pasture.
Cow pasture increases the levels of phosphorous on the ground, which ends in water streams, and from there to ponds or lakes.
-----------------------------------
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Answer: cow pasture
Explanation:
Which of the following is a future consequence of the use of wind energy on the environment?
It generates no greenhouse gases.
Weather affects the quality of wind.
It produces less noise than other energy.
Wind cells are used in isolated locations.
The future consequence of the use of wind energy on the environment is as follows: weather affects the quality of the wind.
What is wind energy?Wind energy is a renewable energy source that involves harnessing the wind with windmills or wind turbines to supply mechanical or electrical energy.
Although wind energy release little or no pollution into the environment, it has downsides that can affect its usage.
One future consequence of the use of wind energy on the environment is that weather affects the quality of the wind.
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PLEASE label this image pleasee
Answer:
dk
Explanation:
because it's dk u need to add dekk and yes it's uesful
Which definition is the best for “semipermeable membrane”?
It is a barrier that prevents materials from moving from one side to the other.
It is a barrier that allows materials to move freely from one side to the other.
It is a barrier with tiny openings that let some, but not all, materials pass through.
It is a barrier that helps materials move from one side to the other.
Answer:
C
Explanation:
Semi means partly
permeable means allowing liquids or gases to pass through it
Semipermeable means allowing some, but not all, liquids or gases to pass through it.
Answer:
c) It is a barrier with tiny openings that let some, but not all, materials pass through.
Explanation:
The prefix "semi-" means "some; partially". "Permeable" means "allow to pass through". Using your knowledge of the purpose of the membrane and the meaning of the word "semi-permeable", you would use context to come to the conclusion that the correct answer is c) It is a barrier with tiny openings that let some, but not all, materials pass through.
Can you use cheetahs to represent Photosynthesis or Cellular Respiration?
What distinguishes an acute disease from a chronic disease?
What is the difference between them
Answer:
Acute illnesses generally develop suddenly and last a short time, often only a few days or weeks. Chronic conditions develop slowly and may worsen over an extended period of time—months to years.
Acute diseases refer to the medical condition that occurs suddenly and lasts for a shorter period of time. Chronic diseases develop slowly in our body and may last for a lifetime. Chronic diseases are sometimes fatal.
Explanation:
Hope you could understand.
If you have any doubt, feel free to ask.
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15 facts about the nucleus
GIVING BRAINLY!!
your a complete diputs head are you thats so easy bro
Scientists put a sample of water into a sealed tank. Water can be a solid, liquid, or gas. At first, the water was a liquid. Then, the scientists transferred energy out of the substance, and the water changed phase. What happened to the movement of the water molecules?
After the phase change, the water molecules moved . . .
Answer:
slower and started moving in place
Explanation:
Find three consecutive odd numbers whose sum is 117. Find two ways to do this.
In the kidneys, the countercurrent mechanism involves the interaction between the flow of filtrate through the nephron loop of the juxtamedullary nephrons (the countercurrent multiplier) and the flow of blood through the limbs of adjacent blood vessels (the countercurrent exchange
a. True
b. False
(giving brainliest if u help)The following are steps in an investigation into electrically charged objects.
Step #1: Blow up a balloon.
Step #2: Rub the balloon against your hair.
Step #3: Rub a plastic fork against your hair.
Step #4: Bring the two objects together and observe what happens.
Which steps are required to charge the objects?
A: Step 1 and 2
B: step 2 and 3
C: step 3 and 4
D: step 1 and 4
Answer:
B, Step 2 and 3.
Explanation:
Once you rub a balloon against your hair and try to slowly remove it, your hair will be pulled towards the balloon like a magnet. This is because the balloon charged your hair and your hair was then able to get attracted to the balloon, the same applies to the fork.
