Answer:
Objective(s)
In your own words, what was the purpose of this lab?
I believe the purpose of this lab is to see how much our society is evolving.
Hypothesis
In this section, please include the if/then statements you developed during your lab activity. These statements reflect your predicted outcomes for the investigations. You will investigate two different versions of the tree environment as it changes over time: light-colored bark and dark-colored bark. Be sure to list your hypothesis for each environment below.
Example: If I investigate the light-colored bark environment, then I will observe an increase in the light-colored peppered moths over time.
Hypothesis for the light-colored bark: There will be an increase in light-colored of light-colored moths and an decrease in dark-colored moths.
Hypothesis for the dark-colored bark: There will be an decrease in light-colored moths and an increase in dark-colored moths.
Procedure
The procedures are listed in your virtual lab. You do not need to repeat them here. Please be sure to identify the test variable (independent variable) and the outcome variable (dependent variable) for this investigation.
Reminder: The test variable is the item that is changing in this investigation. The outcome variable is the item that you are measuring in this investigation.
Test variable (independent variable): The test variable is the colored bark
Outcome variable (dependent variable): The outcome variable is the colored moths population
Data
You will investigate both environments. Record your data for each trial of that environment in the data charts below.
Pre-Industrial Revolution Bark (Light-colored)
Generation
Rate of Survival for Light-colored Peppered Moths
Rate of Survival for Dark-colored Peppered Moths
1
80
20
2
79
21
3
100
0
4
100
0
5
97
3
Post-Industrial Revolution Bark (Dark-colored)
Generation
Rate of Survival for Light-colored Peppered Moths
Rate of Survival for Dark-colored Peppered Moths
1
36
64
2
19
81
3
0
100
4
13
88
5
0
100
Conclusion
Your conclusion will include a summary of the lab results and an interpretation of the results. Please write in complete sentences.
What caused the tree bark to become darker?
What caused the tree bark to become darker is the time of the day the darker it is the darker the bark is.
In the lab simulation, which color peppered moth was able to have the higher rate of survival on the light bark?
The light-colored moth had a higher rate of survival than the dark-colored moth.
In the lab simulation, which color peppered moth was able to have the highest rate of survival on the dark bark?
The dark-colored peppered moth had a higher rate of survival than the light-colored moths.
During the Industrial Revolution, explain what caused the population of light-colored peppered moths to decrease and the population of dark-colored peppered moths to increase over time. Be sure to include how the ability to survive and reproduce impacts the process of natural selection.
What caused the population of light-colored moths to decrease and the population of dark-colored moths to increase over time was because the dark-colored moths could camouflage themselves on the dark bark trees and the light-colored moths couldn’t protect themselves from predators because they had no where to hid.
Predict which color peppered moth would have a better chance of survival in your neighborhood? Explain why.
I believe that the dark-colored peppered moth would have a better chance of survival than the light-colored moths because there is mainly dark bark near my neighborhood instead of light-colored peppered moths.
Explanation:
What type of bond is being formed in this polymerization reaction to link two amino acids together?
Given the formula D=M/V, a substance with a Density of 50 gm/cc, with a Volume of 10 cc, has a Mass of ___________
A
500 cc
B
250 cc
C
500 gm
D
500 cc
Answer:
A
500 cc
Explanation:
D= M/V
50 =M/10
M =50×10
=500 cc.
Hope it helped.
Is the Bean Alive?
The kidney beans in the picture just came out of a bag at
the grocery store. Answer the question above - "Is the
bean Alive" - for the bean right now.
Claim: A single sentence that answers the question.
• In this case, it is either yes or no!
Answer:
Yes the bean is fine he has BEAN get it haha but enyways he is alive and well
Explanation:
The energy available to consumers determined by subtracting the energy used by plants from the total energy
transformed by the process of photosynthesis.
А
et your pas
Primary productivity
B
Gross primary productivity
С
Net primary productivity
D
Cellular respiration
Answer:
C. Net Primary productivity
Explanation:
In an the food chain of an ecosystem, energy is constantly being gained and most. Producers are the set of organisms that start the energy cycle via the process of photosynthesis. The gross primary productivity (GPP) is the amount of energy that the producer is able to capture from sunlight during photosynthesis.
The rate at which that captured energy is used to produce chemical organic compounds, which served as food, is called the primary productivity of the producer. However, the NET PRIMARY PRODUCTIVITY (NPP) is the energy available to consumers, which is determined by subtracting the energy used by plants via metabolism, from the total energy transformed by the process of photosynthesis. Hence, mathematically, NPP = GPP - R
Where, R = energy lost via respiration.
PART 2: Test Crosses (Medium difficulty problem)
3. Callie has brown eyes, but her husband Joseph has blue eyes. All three of their children have
brown eyes. Do you know what Callie's genotype is? If yes, what is it? If no, why not?
Help please!!
Answer:
Since Callie has brown eyes, and all her children have brown eyes, we can only assume that the phenotype of brown eyes is dominand and Callie will have a dominant genotype, leaving Joseph to have a reccesive genotype (if Joseph was heterozygous for this aspect, he would have brown eyes) and the children will be heterozygous, with brown eyes as this characteristic predominates over blue eyes.
The structure of DNA resembles a twisted ladder. Which structural components form the rungs of the ladder?
A deoxyribose sugars
B phosphate groups
C nitrogenous base pairs
D ribosomes
answer is nitrogenous base pairs
Answer:
The ratios of thymine and adenine were similar, as were the ratios of guanine and cytosine.
Explanation:
deoxyribose + phosphate group + thymine
Answer:
C
Explanation:
How does a molecular compound compare to the elements that make up the compound?! Plz help
Answer:The only difference between a molecule of a compound and a molecule of an element is that in a molecule of an element, all the atoms are the same. For example, in a molecule of water (a compound), there is one oxygen atom and two hydrogen atoms. But in a molecule of oxygen (an element), both of the atoms are oxygen.
Explanation:here is some information that might help
Which of the following occurs when the tilt of the axis is not toward or away from the sun? A Winter Solstice B Spring Equinox c Summer Solstice d both spring and fall equinox
Answer:
AWinter Solits
Explanation:
Answer:
ROOF ROOF
Explanation:
brainliest.
Compare and contrast characteristics and use his own diodes and triodes
Answer:
Comparison of characteristics and use of diodes and triodes is given below:
Diode and triodes both are electrical components but diode allows the flow of current in only one direction while triode has three electrodes.Diode consists of two terminal (anode and cathode) while Triodes have three terminals (cathode, anode, and grid). A diode is an electrical component used to control voltage while triode is a current controlled device. Diodes used in modern electronics such as LED while triodes are used in RF heating systems.Answer:
1. Conditions that result in the emission of electrons from a conductor:
Heating the conductor to a suitable temperature
Exposing the conductor to a strong light
Subjecting the conductor to a very high applied voltage
Subjecting the conductor to high-speed electrons from another source
2. Both diodes and triodes influence current flow and contain electrodes. Diodes involve only two active pieces; triodes contain three electrodes within a tube. Current can flow through a diode in only one direction. Diodes tend to act as rectifiers. In a triode, the third electrode is a grid located between the cathode and the anode. A small difference of potential between the grid and the cathode controls the number of electrons that reach the anode. Adjusting the charge on the grid affects the number of electrons that can reach the anode. Triodes tend to act as amplifiers.
3. Transmitting antenna
Modulator
Oscillator
Microphone
4. RF amplifier
Receiving antenna
Loudspeaker
Demodulator
Tuner
5. hue, saturation, intensity/brightness
6.red, blue, green
Explanation:
pf is all the answer trust me
ridding the cell of material by discharging it from sacs at the cell surface is called
pinocytosis
phagocytosis
exocytosis
endocytosis
Evan's nightly chores include washing dishes. His mother cooks everything she prepares a bit too long. Because of this, Evan spends a lot of sweat, effort, and time washing dishes. He sees a commercial on television that claims a new dishwashing detergent, called Brand X, cuts through grease better than its competitor, called Brand Y. They back up their claim with testimonials from people who say they've used this new detergent.
What is a possible testable question (in correct format) that Evan might ask for in this scenario?
IV:
DV:
Answer:
product X and Y need to be in a controlled test to make see how they do undergoing the same things.
hope this helps :)
Explanation:
Why does each human have two sets of 23 chromosomes? Where do those chromosome sets come from? How would your chromosomes compare to someone else’s chromosomes?
Answer:
This is because our chromosomes exist in matching pairs – with one chromosome of each pair being inherited from each biological parent. Every cell in the human body contains 23 pairs of such chromosomes; our diploid number is therefore 46, our 'haploid' number 23.
Explanation:
Humans have 23 pairs of chromosomes because 23 chromosomes come from the father and the other 23 come from the mother, and thus humans end up with 46 chromosomes. With 23 sets, you have two copies of each gene. This is what happens in normal situations. However, in some cases during cell division, there could be more or less that 46 chromosomes.
One set of 23 chromosomes is inherited from the biological mother (from the egg), and the other set is inherited from the biological father (from the sperm). Of the 23 pairs of chromosomes, the first 22 pairs are called "autosomes." The final pair is called the "sex chromosomes."
In a normal diploid cell, there are 24 *different* chromosomes out the total of 46: there are 22 pairs of identical autosomes and 2 non-identical sex chromosomes.
Hope this helps!
Click on 11:50am. What did Ben’s muscles produce when he ran after his paper.
Answer:
i guess heat or tension? muscles dont produce much
Explanation:
what did his muscles produce? the only thing i can think of would be tension, because muscles dont produce sweat, heat would also be an option
I need help with this one
Answer:
B. III and IV
Answer:
b the answer would be b.
Drag the tiles to the correct boxes to complete the pairs.
Match the correct methods of irrigation.
involves distributing water over the
surface of the soil
involves use of pressurized nozzles
to spray water in a shower
involves use of advanced version of
sprinkler irrigation
involves use of emitters to control the
flow of water
involves the use of perforated pipes
sprinkler irrigation
arrowRight
sub-irrigation
arrowRight
surface irrigation
arrowRight
variable flow irrigation
arrowRight
trickle irrigation
arrowRight
Answer:
Surface Irrigation involves distributing water over the surface of the soil
Sprinkler Irrigation involves use of pressurized nozzles to spray water in a shower
Variable flow irrigation involves use of advanced version of sprinkler irrigation
Trickle Irrigation involves use of emitters to control the flow of water
Sub-irrigation involves the use of perforated pipes
Explanation:
Surface Irrigation involves distributing water over the surface of the soil by allowing water to flow into the farm from irrigation channels.
Sprinkler Irrigation involves use of pressurized nozzles to spray water in a shower on the plants.
Variable flow irrigation involves use of advanced version of sprinkler irrigation. It has a variable-flow control knob on it to vary the output and flow of water. It also ensures uniform water distribution.
Trickle Irrigation involves dripping water onto the soil at very low rates through a system of tiny pipes fitted with outlets called emitters or drippers in order to control the flow of water.
Sub-irrigation involves the use of perforated pipes to apply water below the soil surface in order to raise the water-table near the plant root zone as well as to remove excess water.
Answer:
Surface Irrigation involves distributing water over the surface of the soil
Sprinkler Irrigation involves use of pressurized nozzles to spray water in a shower
Variable flow irrigation involves use of advanced version of sprinkler irrigation
Trickle Irrigation involves use of emitters to control the flow of water
Sub-irrigation involves the use of perforated pipes
Explanation:
Biology I need help please
Answer:
False
Explanation:
During the citric acid cycle only 1 ATP is produced
Answer:
True
Explanation:
The citric acid cycle also produces 2 ATP by substrate phosphorylation and plays an important role in the flow of carbon through the cell by supplying precursor metabolites for various biosynthetic pathways.
Animals can help plants reproduce in a variety of ways. Which behavior can end up being more harmful than helpful?
A. Birds eat berries and seeds, dispersing the seeds in their droppings as they fly.
B. Iguanas and tortoises eat leaves, fruits, and flowers, relying on each as important
seasonal food sources.
C. Insects like bees and butterflies drink nectar, carrying pollen from one flower to
another.
D. Hummingbirds drink the nectar of flowers, and they will defend their territory in
order to secure their food supply.
Answer:
B
Explanation:
The behavior that can end up being more harmful than helpful when it comes to plant reproduction is iguanas and tortoises eating leaves, fruits, and flowers as important food sources.
When plant tissues or organs are removed, it affects the reproductive potential of such plants. Thus, Iguanas and tortoises feeding on plant tissues and organs is quite detrimental to plants and may offer very little to no benefits.
Birds help disperse seeds by feeding on fruits and dropping the seeds along with their feces. Insects like bees help pollinate flowers and hummingbirds help protect plants from certain predators. All these actions help plant reproduction.
More on plant reproduction can be found here: https://brainly.com/question/22899994
Which one is the correct answer?
Answer: D
Explanation: The moon is about a quarter of the size of the earth
Answer:
at first i was going to say C but now iam sure the answer is D
why would a cell make and store fat?
Answer:
To keep your body running and fat is used to help process your food
Explanation:
Explanation:
Adipose (fat) cells are specialized for the storage of energy in the form of triglycerides, but research in the last few decades has shown that fat cells also play a critical role in sensing and responding to changes in systemic energy balance.
please help i will mark brainliest
Answer:
The vaccine that protect humans from the h1n1 virus is called Panvax vaccine or swine Explanation:They are inactivated H1N1 virus vaccines used for immunization of individuals 6 months of age and older against influenza disease caused by H1N1 2009 virus.
A radioactive substance has a half-life of 1.25 million years. What is the age of a rock in which 6.25% of the original radioactive atoms remain? 5 million years old 6.25 million years old 3.75 million years old6 2.5 million years old 1.25 million years old 625 thousand years old
Answer:
The age of the rock is 5 million years
Explanation:
Fraction of radioactive substance remaining = 6.25% = 625/10000 = 1/16
Number of half-lives undergone by the substance to leave behind 1/16 of the original sample
1/16 = (1/2) * (1/2) * (1/2) *(1/2)
Therefore, the substance have decayed 4 times
One half=life = 1.25 million years
Four half-lives = 4 * 1.25 million years = 5 million years
Therefore, the age of the rock is 5 million years
can you pls help me??
Answer:
photosynthesis
Explanation:
it's how plants produce energy
are
6. Boiling points and freezing points
examples of
a. chemical properties. C. energy.
b. physical properties. d.matter.
Answer:
Physical properties I think I'm not 100% sure though sorry I just kinda remember learning about this.
Which of the following is NOT a part of ALL cells?
a.ribosomes
b.cell wall
c.endoplasmic reticulum
d.cytoplasm
Answer:
cell wall
Explanation:
Plant cells have cell walls while animals don't. They only gave cell membranes
Answer:
free points! EPIC
Explanation:
The speed at which waves approach the shore depends on the shoreline features and the depth of the sea floor. When a wave reaches the shore, it releases a burst of energy that generates a current which runs parallel to the shoreline. What is this current called?
Answer:
Longshore current.
Explanation:
A wave is a disturbance which travels through a material medium without any permanent displacement of the particles of the medium. During the propagation of a wave, energy is transmitted from one point to another since waves flow with energy. The higher its speed of propagation, the higher the energy of the wave.
The energy released by the wave at shore produces a current which is referred to as a longshore current.
Answer:
It would be Longshore Current
Explanation:
Hope it helps :)
⚠️ i will mark brainliest
A team of engineers is designing a new ship. The engineers first build several models of the ship. Explain in your own words why the models could help the engineers
Answer:
The model could help the engineers by giving they a prototype to build off of so they have an idea of what they ship looks like, and if the test it, they could troubleshoot and see the errors/successes of the model.
Explanation:
The engineers first build several models of the ship as the model could help the engineers by providing them a prototype to build of so that they have an idea of what or how the ship will looks like, and if they test it, they could troubleshoot and see the errors or successes of the model of the ship.
What are the fields in which science is applied?Science has the factual based knowledge and it has about the Nature as well as the natural world that has created on the basis of observations and the experiments. It has the study of the experiments and observations and it has totally depend upon the scientific result that has obtained after the scientific experiments.
There are several fields in which science has been applied and these field are healthcare, telemarketing, environmental engineering, banking, government regulation, space, biochemistry, physics, chemistry, biochemistry and astronomy, engineering.
Therefore, The engineers first build several models of the ship as the model could help the engineers by providing them a prototype to build of so that they have an idea of what or how the ship will looks like, and if they test it, they could troubleshoot and see the errors or successes of the model of the ship.
Learn more about science here:
https://brainly.com/question/12842883
#SPJ5
Compare and contrast a few aspects of animal and plant cells. You can focus on intra- and extracellular structures they share or don't share, but also be sure to describe processes they both utilize or don't both utilize. Some things to consider: How they obtain 'food' (what is their organic carbon source?) What structures do they share that prokaryotes lack? What do they share that all living cells also share? Do they use CO2, and/or O2 in any processes?
Answer and explanation:
Although they share some similarities because they are both eukaryotes, plant cells and animal cells are quite different from each other, which is logical since they have distinct lives.
For example, animal cells and plant cells both have a cell membrane, but only the plant cells have a cell wall - which is thick and resistant, and this makes sense because they are more exposed to mechanical and osmotic stress.
Since animals can move towards sources of water but plants cannot, there's also a way in which plants store water in the cells: vacuoles. Animal cells have vacuoles as well although they are much smaller than the single huge vacuole that plant cells have.
All living organisms need the energy to sustain different cellular processes. The organelle in charge of the chemical reactions behind the obtention of energy is the mitochondria, which is present in all cells, but the mitochondrion needs a specific substrate: glucose. Glucose is obtained in diverse ways: animals move and find food that contains glucose in it, while plants produce their own glucose with a specific process called photosynthesis, for which they need an organelle called chloroplast, which animals do not have. In order to transform the glucose into energy, the mitochondria end up generating CO2, which animals expel from their bodies by exhaling. This CO2, now in the air, is used by plant cells as a substrate in photosynthesis (which needs sunlight as well) to produce glucose and also O2, that will be inhaled by animals and used by their tissues.
All living organisms have one thing in common: they possess DNA. DNA contains all of the genetic information of an organism, and it is present in almost every cell of that organism -if it happens to be a multicellular being-. While prokaryotes have their DNA condensed into a single circular chromosome, eukaryotes like plants and animals, have their DNA form many linear chromosomes (quantity varies according to the species) and these chromosomes are inside a very specialized organelle: the nucleus, which prokaryotes do not have.
the process of diffusion and active transport are both used to
Answer:
Move molecules into or out of cells of the body
Explanation:
Move molecules into or out of cells of the body
can you pls help me ??
Match each word with the correct definition
Atom
Particle
Phase
Scientific Theory
Answer choice:
A) a tiny fragment
B) an explanation
C) the basic unit of an element
D) a unique form of matter in which it can exist
Answer:
here you go
Explanation:
A= Particle
B= Scientific Theory
C= Phase
D= Atom