When two comparisons groups within an experiment are identical except for one variable, the experiment is called an?

Answers

Answer 1
Controlled experiment

I hope that helps you!!!

Related Questions

In the visual system of the mammalian cerebral cortex, the dorsal stream is specialized for detecting____, and the ventral stream is specialized for detecting ___

Answers

The dorsal stream is specialized for detecting location , and the ventral stream is specialized for detecting shape.

What is Cerebral cortex?

This is referred to as the neural tissue that is found at the outermost to the cerebrum of the mammalian brain.

In the visual system of the mammalian cerebral cortex, the dorsal stream is responsible for detecting location while the ventral stream is specialized for detecting the shape of objects.

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A child has brown hair and brown eyes. His father
has brown hair and blue eyes. His mother has red
hair and brown eyes. The best explanation for the
child having brown hair and brown eyes is that
a. A gene mutation occurred that resulted in
brown hair and brown eyes
b. Gene expression must change in each
generation so evolution can occur
C. The child received genetic information from
each parent
d. Cells from his mother's eyes were present in
the fertilized egg

Answers

Answer:

A

Explanation:

The answer is A. sometimes that stuff happens

Answer:

a

Explanation:

I think because it might happen

States with a single wing is found in​

Answers

Answer:

1968–69, Louisiana State, 31, Florida State, 27

Explanation:

My abdomen hurts why?

Answers

Answer:

Whether you've got a mild ache, sharp pain, or cramps, abdominal pain can have many causes. For instance, you might have indigestion, constipation, a stomach virus, or, if you're a woman, menstrual cramps.  You may also get abdominal pain if you're lactose intolerant or have ulcers or pelvic inflammatory disease.

Explanation:

There are soooooooooooo many different reasons that it could hurt.
Including:
Gastroenteritis (stomach flu)
Gas
Irritable bowel syndrome (IBS)
Acid Reflux
Vomiting
Ate something bad
Constipation
Gastritis
Gastroesophageal reflux disease (GERD), basically just extreme acid reflux
Stomach or Peptic Ulcers
Pulled or strained muscles
Cramps.

It’s most likely one of the last two, as the rest are very uncommon. The only way to know for sure is to ask a doctor. And unless you where diagnosed previously with a disease or something like GIRD or IBS, then it’s probably just strained muscles or a cramp (air pockets in your muscles) which both go away with rest.
Hope this helps!

Can Legislation make a real difference in our local conservation efforts

Answers

Yes it can, but what is the question asking you?

The _____ that helps an individual to survive in its particular habitat is a feature that is likely to be passed on from generation to generation.


please help

Answers

The trait that helps a living organism to survive in its particular habitat or ecosystem is a feature that is most likely to be passed on to subsequent generations.

What is natural selection?

Natural selection can be defined as a biological process in which living organisms (individuals) possess certain inherited traits, qualities, and characteristics that enables them in their particular habitat or ecosystem, to successfully adapt to certain environmental factors, survive, and reproduce, as well as passing these traits and genes to their offspring or subsequent generation.

This ultimately implies that, a trait that helps a living organism to survive in its particular habitat or ecosystem is a feature that is most likely to be passed on from generation to generation.

Read more on natural selection here: brainly.com/question/524043

Which type of cartilage is surrounded by a perichondrium and named for its clear, glassy appearance?.

Answers

Answer:

Hyaline cartilage is covered externally by a fibrous membrane known as the perichondrium or, when it's along articulating surfaces, the synovial membrane

Explanation:

Which of the following is not a goal of the Seafood Watch program? a. To promote sustainable fishing b. To identify unsustainable sources of fish c. To increase fish sales d. To improve ocean health Please select the best answer from the choices provided A B C D.

Answers

Answer:

c. to increase fish sale

Explanation:

hope it helps

Answer:  C

Explanation: Seafood watch groups are always looking for ways to promote sustainable fishing as well as improve ocean health. Identifying unsustainable sources of fish is also a part of the Seafood watch program. The only answer left is, increase fish sales.

How are Protista similar to Bacteria? Both are comprised of unicellular organisms. Both are part of the domain Eukaryota. Both have cell walls made of chitin. Both keep their DNA in a nucleus.

Answers

Answer:

Both are comprised of unicellular organisms

Explanation:

Answer:

A:  Both are comprised of unicellular organisms.

Explanation:

A lung cell maintains homeostasis. What is this an example of?.

Answers

Answer:

Intracellular Communication

What is the type of molecule made during transcription

Answers

Answer:

Transcription is the process by which the information in a strand of DNA is copied into a new molecule of messenger RN

Explanation:

Answer:

The molecule that is made is the messenger RNA

Explanation:

Got it right on my study guide and my test.

How long does it take for a water bottle to decompose?.

Answers

Answer:

450 years

Explanation:

well, according to some researchers, They estimate that due to the PET used in objects like plastic bags, plastic water bottles and plastic straws, it could take upwards of 450 years to decompose.

In skeletal muscles, fast oxidative (intermediate) fibers are characterized as type ______, and they typically produce ATP through ______ cellular respiration.

Answers

Given what we know, we can say that In skeletal muscles, fast oxidative (intermediate) fibers are characterized as type ll-A, and they typically produce ATP through aerobic cellular respiration.

What are fast oxidative fibers?

These are a type of muscle fibers that can be trained. This means that they usually do not occur naturally but through continued muscle training by the individual. They are also referred to as enhanced fast-twitch muscle fibers. They are aerobic meaning that they require oxygen to undergo cellular respiration.

Therefore, we can confirm that fast oxidative (intermediate) fibers are characterized as type ll-A, and they typically produce ATP through aerobic cellular respiration.

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PLEASE THIS IS DUE AT 11:59 how are the consequence of injuries to the heart and spinal cord similar to each other? how are they different from consequences of injuriess to the smooth muscle

Answers

Answer:

spinal cord injuries and heart injuries both cause tightness or a feeling of pressure in the neck, whereas muscle injuries can cause swelling and soreness, which often restricts movement.

Explanation:

the spinal cord can cause numbness in any part of the body when injured, as well as cause pressure in neck or chest and tightness in the neck. heart injuries aso can produce a feeling of pressure or tightness in the wounded persons neck. muscle injuries however cause swelling and soreness, as well as often restricting movement.

Define ecological competition

Answers

Ecological Competition is most typically considered the interaction of individuals that vie for a common resource that is in limited supply, but more generally can be defined as the direct or indirect interaction of organisms that leads to a change in fitness when the organisms share the same resource.

Answer:

Ecological Competition is an interaction between organisms or species in which both require a resource that is in limited supply. Competition lowers the fitness of both organisms involved, since the presence of one of the organisms always reduces the amount of the resource available to the other. 

Can you guys help me?

1. One of the basic conditions for natural selection to occur is that there must be variability within a species. What variability was present in the population of utensil birds?

2. Before the terrible drought, which beak types gathered the most food items?

3. After the terrible drought, which beak type was most successful?

4. Over time, if drought conditions continue, what would you expect to happen to the number of birds with each of the 4 types of beaks in the population? Be specific as to which ones might increase, decrease, or stay the same.

5. As the individuals of the species change over time, the whole species may begin to look very ddifferent. If these birds become isolated from other populations, it may even become a completely different species. What is the name of this process called?

6. In this experiment, why did we do four trials for each type of food instead of just one?

7. Why did we focus on the class average data instead of the individual group averages?

8. Did your group get trivial or significant differences between your trials for the spoon beak? What most likely caused these differences?

Here my graphs; by the way don't worry about the forks! because my group dind't have any.

Answers

Based on natural selection and the data provided, it was observed that birds with the spoon beak type were most successful in obtaining food both before and after the drought.

What is natural selection?

Natural selection is the process by which organisms that are better suited for survival in an environment are selected to survive and reproduce.

Natural selection depends on variation among species.

Considering the table:

1. There was variation in the beak type of the birds.

2. Before the drought, the toothpick beak type and spoon beak type gathered the most most food.

3. After the terrible drought, the spoon beak type was most successful.

4. If the drought conditions continues;

The toothpick beak type will decreaseThe spoon beak type will stay the samethe fork beak type will decreasethe knife beak type will decrease

5. The process by which If the birds become isolated from other populations they become a completely different species is called evolution.

6. Having repeated trials helps the reduce the possibility of chance occurrence in the results obtained.

7. The class average data will give a truer picture of the effects of drought on bird feeding because of the larger number of sample.

Also, it will help to eliminate individual group errors and identify outliers.

8. There were no significant differences between your trials for the spoon beak.

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What is cytokinesis and when does it occur

Answers

cytoplasmic division of a cell at the end of mitosis or meiosis. it happens during the nuclear division phase called anaphase, which continues through telophase.

What makes up skin tissue?
A organ systems
B cells
C organs
D. organisms

Answers

Answer:

cells

Explanation:

Cells

A.) no This means multiple organs
B.) correct
C.) organs are made from skin tissue
D.) organism is made from organ system.

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Which describes the foramen magnum? large opening at the base of the skull that the spinal cord passes through shallow depression on the skull to which the jaw bone attaches large projection on the skull to which the jaw muscles attach tiny spaces between the fused bones of the skull.

Answers

A large opening at the base of the skull that the spinal cord passes through.

The correct option is A.

What is a foramen magnum?

The foramen magnum is a large oval-shaped opening present in the occipital bone.

There are several oval openings in the skull, it is one of them.

The medulla oblongata passes through it, which connects to the spinal cord and brain.

The correct option is A, A large opening at the base of the skull that the spinal cord passes through.

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Answer:

A

Explanation:

Glycolysis is: _____________
a) aerobic in some tissues but anaerobic in others.
b) aerobic in some organisms but anaerobic in others.
c) aerobic.
d) anaerobic.
e) None of the other answer options is correct.

Answers

Answer:

A

Explanation:

describe evidence that supports the big bang theory

Answers

Three key pieces of observational evidence lend support to the Big Bang theory: the measured abundances of elements, the observed expansion of space, and the discovery of the cosmic microwave background (CMB)

Which body system maintains fluid balance, absorbs lipids, and protects the body against pathogens?.

Answers

Answer:

Lymphatic system

Explanation:

The lymphatic system helps maintain fluid balance in the body by collecting excess fluid and particulate matter from tissues and depositing them in the bloodstream.

What is the embryo called after the cleavage stage?.

Answers

Answer:

After the cleavage has produced over 100 cells, the embryo is called a blastula. The blastula is usually a spherical layer of cells (the blastoderm) surrounding a fluid-filled or yolk-filled cavity (the blastocoel).

Answer:

Blastula Stage

Explanation:

<3 hehe

Industrialized countries should assit countries with tropical rain forests so that those governments can afford to leave their forests intact

Answers

Industrialized countries assisting countries with tropical rain forests so that those governments can leave their forests intact is True and necessary.

What is Forest?

This is an area which contains large amount of trees. Forests serve as habitat for other organisms and animals too.

Deforestation reduces the amount of trees which when not replaced causes accumulation of carbon dioxide which leads to global warming. This is why these nations should assist so as to ensure adequate conservation of their forest resources.

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You work at the Barnacle Boutique, and you are preparing to offer a class in which customers will hand-dye silk scarves using modern ebru techniques. According to the document, you will need:

a. acid dyes and food coloring.
b. vinegar and powder dye.
c. acrylic paints and water.
d. tissue paper and heat.
e. natural earth pigments and pinewood.​

Answers

In carrying out the modern ebru techniques, the instructor will require acrylic paints and water.

What is dyeing?

The process of dyeing is the process of adding color to a material such as a piece of painting. Dyes are normally very useful to an artist introducing a painting.

In carrying out the modern ebru techniques, the instructor will require acrylic paints and water.

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What strand of DNA would be reproduced from AAC CT

Answers

TTG GA
hope this helps

please awnser all 3 questions!

How is a protein made?

Describe how a change in the DNA leads to change in the protein that is made.

How is it possible that some offspring inherit a genetic mutation while others dont?

Answers

1. Cells use a ribosome. The ribosome assembles amino acids into the proper order and links them together

2. A missense mutation would happen. The wrong amino acid would be incorporated into a protein because of change, that single DNA sequence change, results in a different amino acid codon which the ribosome recognizes. It causes the protein to be less effective in doing its job.

To transcribe a mRNA from DNA in the nucleus the nitrogen base pairing is

Answers

Answer:

Unsure about answer so ask to your teacher and reply back.

Explanation:

Transcription is the process of copying a strand of DNA into a strand of mRNA in the nucleus to prepare for protein synthesis.

The transcription would utilize complimentary base pairing rules for DNA to RNA

A-U Adenine to Uracil

T-A Thymine to Adenine

C-G Cytosine to Guanine

G-C Guanine to Cytosine

Uracil replaces thymine in RNA

For the original DNA strand of

3'- TACCGAGATGTATCAACT -5'

The transcribed mRNA would be

5'- AUGGCUCUACAUAGUUGA-3'

A baker notices that when dough is made, the one that is left in the warmer area rises faster than the one left in the refrigerator. Why is this?​

Answers

Answer:

The more sugar your yeast eats, the more gas that gets formed, and the higher the bread rises!

Explanation:

Most recipes call for the dough to rise at least twice; this gives the yeast extra time to eat sugar and produce gas bubbles. The final rise is known as proofing the bread dough.

Brainliest?!

state at least
5 importance of soil to agricultural​

Answers

Answer:

Soil health is fundamental for a healthy food production. It provides essential nutrients, water, oxygen and support to the roots, all elements that favor the growth and development of plants for food production

Explanation:

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