ANSWER :
The deeper layers are too dark for photosynthesis to occur.
Explanation:
Photosynthesis is a unique process to autotophic organisms. It involves the use of light energy from the sun to manufacture organic molecules (food). As the phenomenon implies i.e. PHOTO - LiGHT, light is an unnegotiable requirement for photosynthesis to take place. Autotrophs are able to perform this process because they contain pigments (Chlorophyll) that can trap energy from sunlight.
In an aquatic ecosystem, phytoplanktons and other photosynthetic organisms like aquatic plants are the autotophic organisms. They are found in the upper layer of the water so that they can reach light from the sun. The light from the sun cannot travel deep down the water making the deep parts of the ocean be deprived of light.
This is the reason why photosynthetic organisms cannot be found in the deep parts of the water as they will be unable to have access to the light from the sun in order to perform photosynthesis.
Answer:
the answer is a
Explanation:
I want to see how tall plants will grow depending on what they are planted
in; soil, sand, or soil and sand mixture. I think the plants will get the tallest in
the mixture. What did I just make?
Answer:
soil
Explanation:
because I have a I tried plant them in the mixture but it didn't work out so I used in stead because it work well plant grow 3 ft and if give the plants a lot water and sun will help too
Which one of the following codons is recognized by this tRNA?a) 5' UUC 3'b) 5' CTT 3'c) 5' CUU 3'd) 5' TTC 3'
Hello. This question is incomplete. The full question is:
A tRNA anticodon is 5' GAA 3'.
Which one of the following codons is recognized by this tRNA?a) 5' UUC 3'b) 5' CTT 3'c) 5' CUU 3'd) 5' TTC 3'
Answer:
a) 5' UUC 3'
Explanation:
Anticodons are sequences of nitrogenous bases that establish complementarity with sequences of nitrogenous bases in a codon.
As you know, mRNA has the nitrogenous bases Adenine (A), cytosine (C), guanine (G) and uracil (U). In this system, guanine is supplemented with cytosine and adenine is supplemented with uracil.
These bass are organized into codons, which are a set formed by 3 of these bases.
The tRNA has the same bases, but its codons must recognize and complement the codons of the mRNA, being then called Anticodons.
In this case, if a tRNA has the anticodon 5 'GAA 3', it must bind to codons 5 'UUC 3' in the mRNA.
In a healthy, functioning ecosystem, chemicals and nutrients are constantly recycled and reused
True or false
The chart below lists different plant species with a description of adaptations. Plant Species Adaptation Turkey Feet Grass This plant has very deep roots to prevent soil loss in windy areas, and to help anchor the plant. Pinkflower Hedgehog Cactus Contains spines for protection, and a waxy coating on the sunny side of the plant to help prevent water loss. Devil’s Walking Stick Secrete chemicals as a defense mechanism, and have broad leaves to catch sunlight in shady areas. Hairy Manzanita Pale pink flowers attract humming birds for pollination. Which plant species above is best adapted for a grassland biome? a Turkey feet grass b Pinkflower hedgehog cactus c Devil's walking stick d Hairy Manzanita
Answer:
A) Turkey feet grass
Explanation:
Grassland biome is one of the biomes that makes up the Earth's biosphere. Due to the characteristics of this biome (grassland), it favours the abundance of grass species over trees and shrubby plants. These characteristics include a low annual rainfall, soil's susceptibility to wind erosion etc.
Based on these characteristics, an organism that will thrive in this biome must be structurally adapted to it. This is the case of the Turkey feet grass mentioned in the question. The Turkey feet grass possess very deep roots to prevent soil loss in windy areas, and to help anchor the plant. This is as a result of soil loss common to the soil of grassland biomes.
When adding more sucrose to a 0.7 M sucrose solution, why does it not dissolve as readily as it did at a lower molarity?
a) the ions in the solution interact with the sugar and that interferes with its solubility
b) the solubility of the solute depends on wether the solute has hydroxyl functional groups or not
c) the solute molecules adhere to the polar regions of the water molecules so there is no room for more sucrose molecules
d) hydrogen bonds in the water molecules change the electrical charge of the sugar molecule, which prevents it from dissolving further in the water
Answer:
c) the solute molecules adhere to the polar regions of the water molecules so there is no room for more sucrose molecules
Explanation:
A solution contains a solvent (water in this case) and a solute (sucrose in this case). A solution can either be saturated or unsaturated depending on whether it can still dissolve a solute or not.
According to this question, the 0.7 M sucrose solution does not dissolve the sucrose (solute) any longer. This implies that the sucrose solution is getting SATURATED. The saturation of the sucrose solution occurs because the amount of solutes is equating the amount of solvent in the solution.
The solubility of a solution depends upon polarity. The solute molecules (sucrose) adhere to the polar regions of the water molecules (solvent). When this occurs to the point where no other sucrose molecule can adhere, the solution becomes SATURATED so there is no room for more sucrose molecules.
Which statement describes Redi’s experiment, which helped disprove spontaneous generation?
He examined covered and uncovered meat to determine that maggots came from eggs.
He heated milk to show that it could destroy bacteria.
He wrote a book on how cells come from other cells through reproduction.
He showed that the shape of a flask was important to the experiment.
Answer:
a
Explanation:
Answer:
A
Explanation: He examined covered and uncovered meat to determine that maggots came from eggs.
What exercise is most appropriate for testing muscular endurance?
A. Push-up
B. Bench press
C. Back squat
D. Bicep curl
Answer:
Push ups
Explanation:
Muscular endurance is when the muscle have the ability to withstand and sustain contractions that is constantly occur for a long period of time. It include the amount of repeated single exercise that the muscle can endure without resting. It ensures muscular fitness, muscular strength and power.
A good example of muscular exercise is push up the ability to constantly do it for a long time without rest or stopping.
The push-up is the most appropriate exercise for testing muscular endurance. Therefore, the correct option is A.
Muscular endurance is the ability of a muscle or group of muscles to sustain repeated contractions over a prolonged period of time.
The push-up specifically targets the chest, shoulders, triceps, and core muscles. It requires maintaining a plank position and lowering and raising the body by bending and extending the elbows.
By performing as many push-ups as possible without compromising form, an individual can assess their muscular endurance level.
Learn more about muscular endurance in:
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Specific steps for big 5
Answer:
study diligently, often pray according to beliefs, often read, do not delay homework, and ask permission from parents to always be blessed
Following massive damage to his frontal lobes, Phineas Gage was most strikingly debilitated by: auditory hallucinations. O memory loss. O speech loss. antisocial and aggressive behavior.
Answer:
maybe he needs dietary fibre
Following massive damage to his frontal lobes, Phineas Gage was most strikingly debilitated by antisocial and aggressive behavior. The correct option is D.
What is the brain?The brain is the most important part of the body. It controls and runs all functions of the body. It is walnut shaped and present in the head of the body. The brain is divided into two hemispheres. The left and the right hemisphere.
The brain is also divided into frontal and parietal lobes. The frontal lobe is present in the front section, and it controls social interaction, problem-solving, motor functions, etc.
So if the frontal lobe will be affected, the social behavior also gets affected and the person becomes irritable and aggressive.
Thus, the correct option is D, antisocial and aggressive behavior.
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Compare pure water and coffee. Their pH differs by approximately
Answer:
They differ by two positions in the pH scale.
Explanation:
Hello,
In this case, since coffee has an pH of about 5 which is slightly acidic and water has a pH of 7, their pH differs by 2 approximately:
[tex]\Delta pH=pH_{water}-pH_{coffee}=7-5=2[/tex]
Such acidity in the coffee is caused by the presence of the well-known chlorogenic acid which is besides helpful for us towards reducing the degree of tiredness we eventually acquire along the day.
Best regards.
Is Coronavirus alive? As in does it have all seven characteristics of a living thing? reproduction, ability to react to stimuli, growth & development, can process and use energy, regulation, organization/order, evolutionary adaptions
No, coronavirus is not living. viruses are not living.
Answer:
No
Explanation:
It can't do everything that is listed.
I hope that this helped.
Study the graph.
What was the total distance traveled after 2.3 seconds?
A.) 205 meters
B.) 175 meters
C.) 140 meters
D.) 190 meters
4. Distinguish between the types of scientific
investigations. Does all scientific knowledge
come from experimentation? Explain your
answer. SC.7.N.1.3
Answer: Descriptive, Comparative and Experimental (which comes from experimentation).
Explanation:
There are three types of scientific investigations:
Descriptive: This type of scientific investigation studies parts of a system, which can be natural or artificial. It describes everything that is being studied and no predictions are made. There are three types of descriptive methods: case-study methods (an in-depth study is produced from many sources with different methods), observational methods (no questions asked, just an observation of the behavior of a subject and no manipulation of the variables), and survey method (some people are interviewed and the researchers study the answers.)Comparative: It gathers information from organisms, systems, places or from any source, to compare them using also a control group. But, there is no imposed treatment because it is not ethical or because it is not possible. So, the treatment is only observed.Experiment: As its names says, it uses an experimental test designed to study some phenomena, where variables are controlled so the treatment is not only observed as the comparative method. Then those variables are measured to collect information or evidence that supports or not a previous hypothesis and is used to assess theoretical knowledge. The independent variable is manipulated while the dependent variable is measured. This type of scientific investigation comes from experimentation.Why would specimens viewed with a compound microscope be thin and/or chemically cleared?
Answer:
A specimen has to be thin so that the light coming from the light source is able to pass through the specimen Specimens are sometimes stained with dyes so that they are easier to distinguish and find.
Explanation:
Sorry it took some time but i hope it helps!!
name the blood vessels that convey blood to the brain
Answer:
Blood is supplied to the brain, face, and scalp via two major sets of vessels: the right and left common carotid arteries and the right and left vertebral arteries. The common carotid arteries have two divisions. The external carotid arteries supply the face and scalp with blood.
Explanation:
Explain the formation of sedimentary rocks?
sedimentary rocks are types of rocks that are formed by the accumulation or deposition of small particles and subsequent cementation of mineral or organical particles on the floor of oceans or other bodies of water at the earths surface
Explanation:
The sternum is _ to the spinal column
Answer:
attached
Explanation:
A science class investigated the relationship between the amount of time
students spend doing chores every night and their average grades on
schoolwork. Which statement from the lab report best represents a
conclusion?
A. Based on our results, students who do 1 hour of chores per night
have grades that are on average 0.2 points higher than students
who do no chores.
B. Doing chores at night actually helps students do better at school,
even if it seems like the opposite would be true.
C. We believe that students should spend at least 2 hours doing
chores every night if they want to get better grades at school and
help their families.
OD. If students spend at least 1 hour per night on chores, then they are
guaranteed to get higher grades on their schoolwork.
Answer:
A. Based on our results, students who do 1 hour of chores per night
have grades that are on average 0.2 points higher than students
who do no chores.
Explanation:
In a scientific experiment that employs the scientific method, series of steps should be followed. The steps involved in the scientific method include; making an observation/asking a question, formulating a hypothesis, testing the hypothesis, analyzing the result, drawing a conclusion etc.
From this step, we would notice that DRAWING CONCLUSION immediately follows the analysis of result, which means the conclusion is based on the result of the experiment. A conclusion in a scientific experiment should be factual and based on the measured result. It should either reject or accept the hypothesis.
The best representation of a conclusion is A. Based on our results, students who do 1 hour of chores per night have grades that are on average 0.2 points higher than students who do no chores. This statement has a conclusive content unlike other options that still seemed unlikely.
Answer:
A
Explanation:
Did the quiz
1. Which of the following things is common to all living organisms? it for a test so I need it quick!
Answer:
All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing. When viewed together, these characteristics serve to define life.
QUICK PLZ HELP MEEE!!!! ASAP 25POINTS
Answer:
Plant 1 grew steadily. Plant 2 grew quickly at first and then stopped growing.
Explanation:
You can tell that Plant 1 grew steadily because the growth for the plant can almost be represented by a linear equation. You can tell that Plant 2 grew fast at first and stopped growing because of its increase towards the beginning on the graph and how the line because horizontal later on. I hope this helps!!!
Competition is central to the theory of natural selection. Why does competition occur?
View Available Hint(s)
females must choose among possible mates
males must defend their territories
organisms are naturally antagonistic
O organisms typically produce too many offspring and resources are limited
O all of the listed responses are correct
Answer:
Competition is central to the theory of natural selection. Why does competition occur? Organisms typically produce too many offspring, and resources are limited. All organisms, including prokaryotes and eukaryotes, use essentially the same genetic code.
Explanation:
All organisms, including prokaryotes and eukaryotes, use essentially the same genetic code.
Aristarchus believed in the Sun-Centered Universe
O True
O False
Answer:
Its True ,
Explanation:
What are the only types of
cells to contain a cell
membrane?
Answer:
Plant Cells
Explanation:
What causes surface tension in water?
Answer:
the molecules on the surface to contract and to resist being stretched or broken.
Explanation:
Explain how the Hershey-Chase experiment used bacteriophages with radioactive sulfur and radioactive phosphorus to demonstrate that DNA, and not protein, is the carrier of genetic information.
Answer:
He separated the phages into radioactive sulfur-containing protein ghosts and radioactive phosphorus-containing DNA. They found that the radioactive sulfur protein ghosts could attach to bacterial membranes while the radioactive phosphorus DNA could not
Answer:
He separated the phages into radioactive sulfur-containing protein ghosts and radioactive phosphorus-containing DNA. They found that the radioactive sulfur protein ghosts could attach to bacterial membranes while the radioactive phosphorus DNA could not
Explanation:
What is a secondary crime scene?
Answer:hope this helps
SECONDARY CRIME SCENES. A location related to the crime but not where the actual crime took place. Sometimes this is the only scene that investigator's know about. There can be MANY secondary crime scenes.
Explanation:
_______ behavior is inherited and programmed in the genetic code.
When a deer hears a sound in the forest, such as crackling footsteps, it immediately freezes and then bolts through the bushes. This is an example of the _______ response.
Mating rituals or displays can be very complex but are also _______ behaviors.
When animals fight and one wins and one submits, this allows for the establishment of a _______. This means that one animal (the winner) likely gets to reproduce and lead the group.
_______ behavior is used to intimidate other animals in social interactions. Examples include baring teeth or growling.
_______ behaviors rely on prior practice or experience.
When a dog is sleeping and does not react to the sound of a person walking around the house, that is most likely an example of ________.
A common type of learning that involves experimenting to get a reward is called _______.
_______ is the pattern of behavior that follows the day/night cycle.
Many bird species have seasonal behaviors that cause them to _______ or change their location.
Explain how territorial behavior helps an animal population survive.
Answer:
Innate
fight or flight
innate
hierarchy
Aggressive
Learned
habituation
trial and error
Circadian rhythm
migrate
When animals mark their territory they ensure that the mates and food in their area are not overwhelmed. Though territorial animals often fight, it is not to the death, and more to establish social order. This prevents them from over-eating their environment and helps the entire species stay in balance to survive.
Explanation:
PF
Answer:
Innate
fight or flight
innate
hierarchy
Aggressive
Learned
habituation
trial and error
Circadian rhythm
migrate
When animals mark their territory they ensure that the mates and food in their area are not overwhelmed. Though territorial animals often fight, it is not to the death, and more to establish social order. This prevents them from over-eating their environment and helps the entire species stay in balance to survive.
Explanation:
PENN
When NaCl is added to water, its bond will break. If C6H12O6 (glucose) is added to water, its bonds will not break.
True
False
Answer:
False.
Explanation:
The bonds become so strong that they make the glucose molecules separate.
embryology is the study of a _______which is a fertilized egg attached to the wall of the mothers uterus
Fill in the blank
Answer:
Embryology is the study of a embryo which is a fertilized egg attached to the wall of the mothers uterus by umbilical cord.
Embryology refers to the study of an embryo, which is a fertilized egg attached to the wall of the mother's uterus.
What is embryology?Embryology can be defined as a branch of biology that involves the study of the early development of a fetus and an embryo from a single-celled zygote, especially in female organisms (mothers).
In this context, we can infer and logically conclude that embryology involves the study of an embryo, which is a fertilized egg that is typically attached to the wall of the mother's uterus.
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which is flatworms locomotory organ tell the answer in full sentence
Answer:
Movement in some flatworms is controlled by longitudinal, circular, and oblique layers of muscle
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