Answer:
Best Ways to Conserve Water at Home
Fill a bucket while showering and use it to water plants. Run the dishwasher only when full. Turn off the faucet while brushing your teeth. Create a lawn watering schedule using a watering calculator
Explanation:
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Which of these statements indicates an experiment is systematic?
A. The experiment is repeated many times.
B. The experiment is about a testable question.
C. The experiment is very complicated and uses lots of chemicals.
D. The experiment includes a good plan for what measurements to take.
Answer:
Since the control is different, making an accurate prediction for this test is difficult.
Explanation:
Do all organisms fight for survival
Answer:
Yes
Explanation:
To survive, all organisms must compete for resources.
FALLING OF STONE
○ FAST CHANGE
○NATURAL DESIRABLE CHANGE
○NATURAL UNDESIRABLE CHANGE
○SLOW CHANGE
Answer:
answer is fast change due to free fall of object in air.
What is the difference betwen the modes of nutrition
of fungi and animals?
Answer:
The animals are the consumers of the ecosystem but the fungi have wide range of nutrition from the parasites to the saprophytes mode. Animals have multicellular organization but fungi dont always meed to be multicellular, they may be unicellular also.
Only one ______ can be explored in an experiment.
Answer:
Multiple answers
Explanation:
Cells,
E.g. onion cell
Liquids
(Perfumes h how they work)
Please help, is really important to finish my homework!!!!
Would outer space be an ideal spot for a concert? Why or why not?
Answer:
No, there is no gas in space, sound waves need matter to travel on because to make noise they move matter in such a way that i creates noise. Also you cant breathe.
Explanation:
An average what takes about 5 kilograms of Carbon Dioxide a year and makes about the same amount of oxygen for us to breathe.
What part of your brain controls all mental activities?
brain stem
medulla
cerebellum
cerebrum
Answer:
cerebrum
Explanation:
cerebrum controls reading, thinking, learning, speech and emotions
Why are plants unable to grow at the bottom of lakes ?
Answer:
I think its because of the water pressure
Explanation:
Answer:
I'm guessing that it's because there isn't enough sunlight at the bottom of a lake. The water reflects light, and plants need enough sunlight since they use photosynthesis to get their energy.
todo sobre la digestion
Answer: El sistema digestivo humano consiste en el tracto gastrointestinal más los órganos accesorios de la digestión. La digestión implica la descomposición de los alimentos en componentes cada vez más pequeños, hasta que puedan ser absorbidos y asimilados por el cuerpo. El proceso de digestión tiene tres etapas.
Explanation:
What is the difference between a heart attack and cardiac arrest?
Answer:
Heart Attack or Sudden Cardiac Arrest: How Are They Different? People often use these terms interchangeably, but they are not synonyms. A heart attack is when blood flow to the heart is blocked, and sudden cardiac arrest is when the heart malfunctions and suddenly stops beating unexpectedly.
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Explanation:
Which formula is a hydrocarbon?
O H20
O CaCl2
CH4
CO2
Nach
Answer:
None of tbe option is correct.
Explanation:
Hydrocarbons have genral formula
Cn(H2O)n
n is the number of carbon atoms.
How are the lydias ice and lyric cycles different
Answer:
The lytic cycle involves the reproduction of viruses using a host cell to manufacture more viruses; the viruses then burst out of the cell. The lysogenic cycle involves the incorporation of the viral genome into the host cell genome, infecting it from within.
Explanation:
The diagram below shows a magnified view of a cross section of a plant root tip. Four parts of the root and the process that each performs are shown. Which process is directly responsible for root growth in plants?
a. storage
b. absorption
c. transportation
d. cell division
Answer:part c transportation
Explanation:
The process directly responsible for root growth in plants is cell division. So, the correct option is D.
What is Cell division?The process by which a cell divides into two or more daughter cells is called cell division. In relation to the above question, cell division is the mechanism due to which plant roots grow.
The meristematic region, which is in charge of cell division, is designated as part D in a cross-section illustration of the root tip of a plant. The meristem of the root is a unique region where cells continuously divide and differentiate into different tissues, helping the root to expand and mature.
Many tissues of the root, including the epidermis, cortex, and vascular tissue, are composed of distinct types of cells that differentiate when they divide into specialized cell types.
So, the correct option is D.
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A ______ is a push or pull.
Answer:
The answer is Force.
Explanation:
Force is a push or push of a particular directions with a particular object.
Describe step by step, with your own words, the process of replication of a double strand of DNA.
Answer:
replication. DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell.
Explanation:
Explain why food webs are more stable than food chains
Answer:
Food webs are more stable than food chains because i one species died or became extinct there would be other options for the other organisms to all back on.
Example:
The mouse became extinct, the snake now eats bunnies because they are their other prey.
What is the genotype of the male circled in pink?
Answer:XaY
Explanation
XAY is the genotype of the male circled in pink.
What is the genotype?An organism's genotype is made up of all of its genetic components. The alleles or variations that an individual carries in a specific gene or genetic region are also referred to as the genotype.
The term “genotype” broadly refers to an organism's genetic make-up; in other words, it characterises an organism's whole gene pool. The phrase can also be used to describe the alleles, or different forms of a gene, that an organism carries in a more specific meaning.
The genotype XAY for a male denotes the manifestation of an X-linked dominant characteristic. It is an X-linked dominant illness called fragile X syndrome. If their father has the condition, the sickness will afflict the girls, but not the males.
Therefore, The pink circled male's genotype is XAY.
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Imagine you are introducing the Lac operon and the Trp operon to students who have never learned about it before.
Complete the table to compare the similarities and differences between the two operons.
Type of operon:
Trp operon is a repressible operon
Lac operon is an inducible operon.
Environment:
Trp operon is deactivated when tryptophan is present in the environment.
Lac operon is activated when lactose is present in the environment.
Repressor protein:
Trp operon is activated by tryptophan through bonding to the repressor protein
Lac operon is inactivated by lactose through binding to the repressor protein.
Transcription:
Trp operon -Tryptophan binds to the repressor protein, activating it, thus preventing active transcription of Trp operon.
Lac operon - Lactose binds to the repressor protein, deactivating it, thus allowing for active transcription of Lac operon.
An operon is a unit of DNA found in prokaryotes, containing a cluster of genes under the control of a single promoter and which performs a specific function. Examples of operons are the tryptophan (Trp) and lactose (Lac) operons.
Trp operon is responsible for tryptophan synthesis while Lac operon is responsible for lactose transportation and metabolism.
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Answer:
answer below
Explanation:
straight from edmentum
The iodine changes color in the presence of
A starch
A hydrocarbon
A sugar
A protein
Answer:
The answer is starch.
Scientists believe that most early mammals were: large very small medium sized none of the above
Answer:
small bcz they had not fully evolved
Answer:
large
Explanation:
What is artificial selection?
A. When 60 percent of a species dies at one time
B. When humans breed an animal for a certain trait
C. When a new allele is formed by mutation
D. When extreme traits are selected by nature
SUBMIT
Answer:
Selective breeding is the process by which humans use animal breeding and plant breeding to selectively develop particular phenotypic traits by choosing which typically animal or plant males and females will sexually reproduce and have offspring together.
What is the difference between native and nonnative species
Answer:
Native plants are those plants which occur naturally in a region. A non-native is one that does not.
Explanation:
For example, soybeans, kiwi fruit, wheat, honey bees, and all livestock except the American bison and the turkey are non-native species to North America.
Answer:
Native species are naturally present in an area. ... Non-native species do not cause environmental or economic harm. An important, not-to-be-missed distinction between non-native species and invasive species is that non-native species do not disrupt the natural functions and processes of our native ecosystems.
Explanation:
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A food chain is a simple way of showing the relationships between organisms in an ecosystem. What do we call a diagram that shows the complex feeding relationships between organisms in an ecosystem?
Answer:
a food web
Explanation:
a food web is a more complex version of the food chain
Answer:
food web
Explanation:
A food web is a more complicated version of a food chain
Which DNA fingering technique examines the length variation of DNA repeat sequences in human DNA?
A) VNTRs (variable tandem repeats)
B) PCR (polymerase chain reaction) analysis
C) STRs (short tandem repeats)
D mtDNA (mitochondrial DNA) analysis
Answer: The question is incorrect, below is the correct question
Which DNA FINGERPRINTING technique examines the length variation of DNA repeat sequences in human DNA?
The correct answer to the question is option D
mtDNA (mitochondrial DNA) analysis
Explanation: DNA fingerprinting technique is a laboratory technique used by geneticists.it entails placing of DNA samples into wells,these wells are then placed in a slab of gels and thereafter passing a current through the gel.This is done to ascertain the uniqueness of a DNA pattern and thus be able to differentiate people of same species.
There are several methods of DNA fingerprinting as outlined in the options given with the question.
In mtDNA (mitochondrial DNA) analysis,The Genetic samples are extracted from the biological materials, these samples extracted are total genomic DNA like hair,tooth or samples of blood, Several copies of these genomic DNA are then produced using a polymerase chain reaction and flanking primers inorder to examines the length variation of DNA repeat sequences in human DNA.
Answer:
D. Mitochondrial DNA Analysis
Explanation:
Edg 2021
As newts' poison became more toxic, the garter snake's resistance to it became more efficient. This is an example of
convergent evolution
coevolution
divergent evolution
adaptive radiation
Answer:
coevolution
Explanation:
As newts' poison became more toxic, the garter snake's resistance to it became more efficient. This is an example of coevolution.
About 500,000 tons of sediment are eroded from the Grand Canyon every day.
Wind, water, and gravity are constantly widening the canyon. What is making
the canyon deeper?
A. Mass movements
B. Coastal erosion
C. Wind erosion
D. River action
An important similarity between photosynthesis and cellular respiration is that both processes
use and store 02
use and make ATP.
store energy in glucose.
release energy from glucose.
Answer:
use and make ATP.
Explanation:
The diagram shows a selection of animals .Choose two alphabets that are invertebrates.
A. B and D
B. A and C
C. B and F
D. E and C
The correct answer is C) "B and F"
______________ surround each stoma and control its size.
A. Spongy Layer
B. Guard Cells
C. Palisade Layer
Answer:
The answer is B.
Explanation:
Guard cells is nearest to stomata which surround each stomata and control the size of stomata.
