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Science

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Compare and contrast the advantages and disadvantages of selective breeding versus genetic modification. Why might a person
1. 3 answers
2. 85 views
Pretend you are a scientist observing three different varieties of a single bird species that are part of the same population.
1. 1 answer
2. 76 views
Which action an example of genetic modification (creating GMOs)? (1 point)• raising animals via animal husbandry for food
1. 1 answer
2. 131 views
In a population of birds, brightly colored males and very dull males survive best. Which type of selection is this, and what is
1. 1 answer
2. 110 views
What change is observed in a distribution curve for a trait affected by directional selection? (1 point)• It shifts to the
1. 1 answer
2. 80 views
Facts or data are types of (1 point)• models. • explanations. • reasoning. • evidence.
1. 1 answer
2. 78 views
After a bottleneck event, the population of rabbits in an area has significantly decreased. A decade later, the population of
1. 1 answer
2. 105 views
Why is the cheetah gene pool small today? (1 point)• inbreeding in zoos • lack of advantageous traits • multiple
1. 1 answer
2. 109 views
There are two varieties in a population of squirrels: short tails and long tails. Long-tailed squirrels are better at jumping
1. 1 answer
2. 109 views
How did the Industrial Revolution impact the population of peppered moths in Britain? (1 point)• The Industrial Revolution
1. 1 answer
2. 107 views
Consider the following scenarioIn a muddy lake environment, some fish have brown scales. Most fish, however, have silver scales.
1. 1 answer
2. 113 views
Which statement is accurate about variations? (1 point)O In all cases, variations become more common in a population •
1. 1 answer
2. 70 views
Consider the following scenario:A drought hits the habitat of a semi-aquatic bird population. All ponds dry up, and fish
1. 1 answer
2. 182 views
Which variety of mouse is more likely to survive in a dry desert? (1 point)• a mouse that has a shorter tail O a mouse that
1. 1 answer
2. 84 views
Which statement is correct about the population of peppered moths in modern Britain? (1 point)• The dark-colored moths are
1. 1 answer
2. 84 views
What is the name given to an observable characteristic of an organism? (1 point)• phenotype • genome • genotype •
1. 1 answer
2. 71 views
What statement accurately describes the relationship between variations and fitness? (1 point)• Variations always increase
1. 1 answer
2. 63 views
Consider the following scenario:You notice that no two cats at the pet store are exactly alike. Some have spotted fur. Some have
1. 1 answer
2. 97 views
Paleontologists observed changes in the sizes of black bears as their environment changed. During warmer periods between ice
1. 1 answer
2. 62 views
In a population of mice, individuals with medium brown fur are less likely to be seen by predators than light brown and dark
1. 1 answer
2. 69 views
Over generations, female reindeer in a Finnish population give birth to larger offspring. Which type of selection is occurring,
1. 1 answer
2. 91 views
In peppered moth populations, light and dark moths are selected for in different environments. Which type of selection is this,
1. 1 answer
2. 81 views
Researchers plotted a distribution curve for leg length in a population of birds, with length from short to long on the x-axis.
1. 1 answer
2. 88 views
Consider the following scenario:A scientist is analyzing one bird population. There is a large amount of variation in size in
1. 1 answer
2. 69 views
Living things with traits that are a good fit to their environment (1 point)O are more likely to survive and reproduce. • are
1. 1 answer
2. 56 views
If members of a population have a variety of traits, it is (1 point)• less likely that some of the members will have traits
1. 1 answer
2. 50 views
What relationships exist among reasoning, evidence, and explanation? (1 point)• Reasoning is associated directly with
1. 1 answer
2. 60 views
What do we call a group of items that interact together for one purpose?a subsystem b system c combustion d energy
1. 1 answer
2. 123 views
A student has designed a car as a system. The student has included the drawing below. The student has said the car would include
1. 1 answer
2. 262 views
What category is electromagnetism under for science
1. 1 answer
2. 90 views
What type of science talks about magnetic fields
1. 1 answer
2. 69 views
An electromagnet is created by wrapping a wire conductor around a metal core and sending a current through it. If the number of
1. 1 answer
2. 146 views
For the magnetic field created around a current carrying wire in an electromagnet, the ___________ the current, the ________ the
1. 1 answer
2. 130 views
For the magnetic field created around a current carrying wire in an electromagnet, the ___________ the current, the ________ the
1. 1 answer
2. 105 views
There are two objects, one with a +2 charge and one with a -2 charge. If we increase the distance between the two objects, what
1. 3 answers
2. 111 views
What do earth magnetic poles mean in relationship to magnetism?
1. 1 answer
2. 97 views
There are 4 bio molecule that contains oxygen carbo nitrogen and hydrogen name them
1. 2 answers
2. 239 views
Mole concept
1. 3 answers
2. 178 views
weight of aspirin
1. 1 answer
2. 176 views
aim of titrating naoh against aspirin
1. 1 answer
2. 180 views
The approximate concentration of hydrochloric acid HCL, in the stomach (stomach acid) is 0.17M, calculate the mass of the
1. 1 answer
2. 286 views
Which term best describes the flow of electrons and protons from one place to another?(1 point)Electrical energy Chemical energy
1. 1 answer
2. 460 views
Which of the following has the most kinetic energy ? a car traveling at 20 km/h a tractor traveling at 20 km/h bicycle traveling
1. 2 answers
2. 1,215 views
In three to five sentences, explain at least three reasons why a vegan diet is considered healthier than a typical meat-based
1. 0 answers
2. 2,846 views
Consider the law of gravitational attraction. Two spheres with a mass, M, are attracted to each other by a force, F. If the
1. 2 answers
2. 1,302 views
3. On a graph of distance versus time, the slope of the line indicates the ___________ of an object.A. acceleration B.
1. 4 answers
2. 2,000 views
Could someone check if I answered theses two True or False questions correctly? Thank you.Isobars that are close together may
1. 2 answers
2. 459 views
I’m filling out a guide sheet test but I’m unsure whether or not these last few answers are right. Can someone check them
1. 2 answers
2. 486 views
Cassandra is building a machine that will convert ocean waves into electricity. If she wants to get the most energy from the
1. 2 answers
2. 615 views
Where is energy stored in electromagnetic waves?A. In the wave’s moving atoms B. In the oscillating electric and magnetic
1. 1 answer
2. 924 views
Can someone help me with this, at least help by explaining a bit what is going on? question: What is going on in the diagram?
1. 1 answer
2. 514 views
When a wire of 5m and radius 0.5mm is stretched by a load of 49N, the Elongation produced in the wire is 0.1cm.find the energy
1. 1 answer
2. 529 views
What kind of air is above water during land breeze (high pressure or low pressure)What kind of air is above land during land
1. 1 answer
2. 454 views
Prove basics radical?
1. 1 answer
2. 403 views
Scientists are often eager to learn more about the world around them. What is this attitude called?A. curiosity B. honesty C.
1. 1 answer
2. 1,913 views
A gas has a volume of 4.25 m3 at a temperature of 95.0°C and a pressure of 1.05 atm. What temperature will the gas have at a
1. 1 answer
2. 2,515 views
Which of the following is not a postulate of the kinetic molecular theory?A. The collisions between gas molecules are elastic.
1. 1 answer
2. 4,246 views
If one of your skin cells divides, how many chromosomes will be found in the daughter cells?Number of chromosomes a human cell
1. 1 answer
2. 592 views
H2S+Is >2HI+S
1. 1 answer
2. 472 views
How do light microscopes work?Light microscopes use an electron beam to create an image of a specimen. Light microscopes use a
1. 8 answers
2. 2,371 views
Should designers of Olympic medals use oxygen (O) to make an Olympic medal?
1. 1 answer
2. 523 views
This isn't really homework, but I thought someone could really help me with this.Did time exist before the Big Bang? I believe
1. 1 answer
2. 492 views
Which cells identify as the ones most likely to hold the key to increased human longevity and vitality and how might this work?D
1. 0 answers
2. 685 views
What are some arguments against extending human life?Please describe at least 1 concern and 1 objection from your experience.
1. 1 answer
2. 499 views
Which pattern best reflects the neural basis of memory that occurs during a delayed response task?1 Neural activity is triggered
1. 1 answer
2. 514 views
Artificial Selection leads to loss of Genetic Variation? or Genetic Equilibrium?
1. 0 answers
2. 435 views
There is a theoretical protein called largeX that helps to stimulate growth of the body during adolescence. The promoter on the
1. 2 answers
2. 2,943 views
A 16 lb block rests on a horizontal frictionless surface. A cord attached to the block, running horizontally, passes over a
1. 0 answers
2. 678 views
A solid sphere rolls up an inclined plane of inclination angle 35 degrees. At the bottom of the incline, the center of mass of
1. 0 answers
2. 972 views
A 13 N force with a fixed orientation does work on a particle as the particle moves through displacement . What is the angle
1. 0 answers
2. 843 views
Question: Name some plant or animal tissues in which mitosis can be observed.I need to name about five but all I know is in
1. 1 answer
2. 847 views
What Temperature would you get after the First 5 Minutes of Putting 4 Ices into a 99 degree warm water? After The Second 5
1. 3 answers
2. 485 views
Name some free Atoms?
1. 1 answer
2. 346 views
What is the role can play integrated science in primary schools?
1. 1 answer
2. 426 views
A shallow pan and a deep bowl hold equal amounts of salt water. If you left both containers in the sun for a day and then
1. 0 answers
2. 605 views
Is there anyway I can create something similar to acid rain for my experiments? Thanks( I was thinking of mixing water with
1. 0 answers
2. 506 views
38. A box slides down a 30.0 degree ramp with an acceleration of 1.20 m/s^2. Determine the coefficient of kinetic friction
1. 2 answers
2. 1,288 views
For Francisco Redi's Spontaneous Generation. Which would be considered the control group of the experiment and which would be
1. 0 answers
2. 594 views

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