What is the correct term for organisms that consume other organisms in order to gain energy and are also known as consumers?
a. heterotrophs
b.autotrophs
c. decomposers
d. detritivores
Answer:
Heterotrophs
Explanation:
They eat other plants or animals for energy
The first time you get an infection, your immune system responds
the same infection again, your immune system responds
If you become re-infected with
A. quickly, slowly
B. in 3 stages, in 1 stage
C. in 2 stages, in 3 stages
D. slowly, quickly
"It enters the cytoplasm and moves toward ribosomes".
This describes what happens to mRNA after which process?
A. transcription
B. DNA replication
C. translation
D. protein synthesis
Used to hold a variety of lab equipment
Answer:
test tube holder is used to hold test tubes. It is used for holding a test tube in place when the tube is hot or should not be touched. For example, a test tube holder can be used to hold a test tube while it is being heated.
What are some of the resources organisms compete for?
Which organelles are found in a plant cell?
Answer:
The organelles are found in a plant cell include - chloroplasts , plastids, and a large central vacuole. The chloroplasts contain a green pigment chlorophyll that is responsible for the process of photosynthesis.
Answer: Cell wall, chroloplasts, mitocondria, nucleus, robosomes, vacuoles
To see a general view of a microscope slide, use _____ power. If you need to see a more specific and detailed view, use _____ power.
Answer:
Low; high.
Explanation:
A microscope can be defined as an optical device that is typically used to make an enlarged (magnified) image of a minute (small) object and as such reveals all the little information about the object that cannot be seen by the natural human eye.
Basically, a microscope is used for viewing very little objects, microorganisms and cells found in living organisms such as humans, animals and plants.
The interchangeable lenses found in a microscope which are close to the specimen being observed are called objective lenses. These objective lenses comprises of low power objective and high power objective. To see a general view of a microscope slide, use low power. If you need to see a more specific and detailed view, use high power.
Hence, the field of view (FOV) is largely dependent on the objective lens being used, it is largest (general view) for low power and smallest (specific and detailed view) for high power.
Which word best describes the extent to which scientists have identified fungi species?
Answer:
does it give you options like a multiple choice or just a word form your head
Each new cell formed after cytokinesis"
a. has one-half the original DNA
b. has two copies of the original DNA
c. has one exact copy of the original DNA
d. has entirely different DNA from the original DNA?
Answer:
c. has one exact copy of the original
Explanation:
Which scenario describes a relationship of parasitism? A. Oxpecker birds eat parasitic ticks off the backs of zebras B. A polar bear catches a seal for dinner C. Birds feed off the insects that are stirred up from the grasses as cattle move through D. Birds feed off the insects that are stirred up from the grasses as cattle move through
A moray eel eats a fish swimming by.
i took the k-12 test
The scenario which describes a relationship of parasitism is a tick feeds on the blood of a dog. Therefore, the correct option is D.
What is parasitism?In parasitism, one organism (the parasite) benefits at the expense of another organism (the host). In this scenario, the tick benefits by feeding on the dog's blood, while the dog is harmed by the loss of blood and potential transmission of diseases by the tick.
Option A describes a mutualistic relationship, where the ox pecker birds benefit by feeding on the ticks, and the zebras benefit from having the ticks removed.
Option B describes a predator-prey relationship, where the polar bear benefits by catching and eating the seal, while the seal is harmed by being eaten. Option C and D describe commensalism. They both are same. Therefore, the correct option is D.
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The question is incorrect, but most probably the correct question is,
Which scenario describes a relationship of parasitism?
A. Ox pecker birds eat parasitic ticks off the backs of zebras
B. A polar bear catches a seal for dinner
C. Birds feed off the insects that are stirred up from the grasses as cattle move through
D. A tick feeds on the blood of a dog.
4. A student described a wetland ecosystem in the chart below.
Wetland Ecosystem
Abiotic Factors
Description
Water Depth
Shallow
Salinity
Fresh water
Soil
Very wet mud
Sunlight
Sunlight filtered through
trees
What type of ecosystem was the student most likely describing?
A. Marsh
B. Swamp
Forest
D. Estuary
Answer:
Boys preparing for the chinese civil sevice examination had to memorize Confusian texts before learning what they meant. Teaching now downplays such memorization. Is there any educational value for students to memorize poems, texts, etc?
hdbdbhd
Hemophilia is a sex-linked recessive trait. A phenotypically normal woman has phenotypically normal parents. However, she has a hemophiliac brother. What are the genotypes of her parents? What are her chances of being a carrier for hemophilia? If she is a carrier and marries a male with hemophilia, what is the chance of a child being a hemophiliac?
Answer:
A. parents: Hh and Hh
B. chances of being a carrier: 50%
C. 50%
Explanation:
A. Since hemophilia is a recessive trait, both parents must carry the recessive alelle for it to show through in the child. However, we know both of them are phenotypically normal, meaning a dominant trait (not hemophiliac, H) is masking the recessive trait (hemophiliac, h)
B. The options the woman has when you create a punnet square with her parents genotypes are HH (doesn't have any hemophilia, because hemophilia is recessive, so represented with a lower case h) Hh (there is twice the likeliness she is an Hh since it occurs two times when you combine her parents genotypes. Hh means she is a carrier, but does not have the trait) and hh (meaning she definitely has it). So there is four options, two of which mean carrier, meaning she has a 50% chance of being a carrier.
C. genotypes of the parents:
mom: Hh
dad: hh
when you create their punnet square, you will get two occurrences of Hh and two occurrences of hh. Remember that hh means hemophilia. This means the child has a 50% chance of having hemophilia.
1. Which of these can be found in RNA but not DNA?
ribose sugar
helical structure
adenine
phosphate group
Answer:
ribose sugar
Explanation:
please help!!!
A carrot piece is placed in a sugar solution of 0.2 M sucrose. The carrot lost 5% of its mass after sitting in the solution for 1 hour. *
The carrot must have been hypertonic to the solution.
The carrot must have a sugar concentration higher than 0.2 M
The carrot lost mass because the sugar left the carrot for the solution
The carrot lost mass because water left the carrot for the hypertonic solution outside.
Answer:
a carrot is orange thats all you have to know
Explanation:
thanks for the points :)
List the ways how you can help make your commumity safe and healthy.
1.
2.
3.
4.
5.
List the sources you used for your research in the space below. If you used websites, include the title and URL of the website or article. If you used books or other print resources, note each source's title, author, publisher, and date published. (10 points)
References prove the quality and reliability of a research document. They must be properly written, including the author's name, title, year, and URL if needed.
What is the importance of listing the sources of a research?
When writing a document about a research work, it is important to list the sources used during the investigation
One of the main priorities is to provide trustworthiness. The research must prove its quality, so should be based on reliable information and methodology.
When looking for information, we always need to look for reliable scientific information. These are investigations previously carried out by other researchers and evaluated by qualified professionals.
We can find scientific information in books, encyclopedias, scientific journals, and magazines, among others. These sources can be found on the web or printed out.
While writing the document, it is necessary to avoid plagiarism and to cite and make a reference to every consulted material.
Cites are placed in the middle of the document, while references are listed at the end.
There are different methodologies used to list sources. For instance,
Pressed booksLastname, first name letter (year). Book Tittle (edition). City or Country: Publisher.
Pressed book chapterLastname, first name letter (year). Chapter Tittle. In Lastname, first name letter. Book title (pages pp. Xx-Zz). City or Country: Publisher.
TesisLastname, first name letter (year). Tesis Tittle. Graduation Level. Institution. City or Country.
Scientific magazines and journalsLastname, first name letter (year). Article Tittle. Magazine or journal tittle. Volume (number). pages pp. Xx-Zz.
Internet booksLastname, first name letter (year). Book Tittle. Recovery date, from http://www.xxxxxxx.com.
Internet EnciclopediaAuthor or publisher Lastname, first name letter (year). Article tittle. Encyclopedia tittle [electronic version]. City or country: Publisher. From http://www.xxxxxxx.com.
Online TesisLastname, first name letter (year). Tesis Tittle. Graduation Level. Institution. City or Country. Recovery date, from http://www.xxxxxxx.com.
WebsiteLastname, first name letter (year). Tittle. Recovery date, from http://www.xxxxxxx.com.
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In pea plants, Tis for tall plant and t for short, Tis dominant overt, What is the percentage to have tall plants if we cross Tt * Tt*
Answer:75%
Explanation:
What role have nitrates and phosphates played in damaging Muddy Creek?
Answer:
Nitrates and phosphates lead to eutrophication and anoxia in the creek which caused aquatic animals to die and damaged the creek.
Explanation:
Nitrates (NO3-) are chemical compounds that contain nitrogen and oxygen molecules. They are salts that are commonly found in fertilizers and are soluble in water. Phosphates are also compounds that are used in agricultural processes.
Nitrates and phosphate found in water are usually from plants that have been washed off by rain water and also from vehicles' exhaust.
When there are abnormally high levels of nitrates and phosphates in water, it becomes difficult for aquatic animals to survive. In bodies of water, the nitrates and phosphates become sources of food to algae and other plants, this causes them to become over stimulated, and lead to Eutrophication (a high concentration of nutrients) and Anoxia (lack of oxygen).
This causes the fishes to run out of oxygen and die. Then the water begins to change color (milky white or green), give off an offensive odor and gradually turns into a swamp and eventually a meadow
Summarize sexual reproduction in plants. I need help please!!
Answer:
Plant reproduction is the development of new offspring that can be achieved through sexual or asexual reproduction in plants. By the fusion of gametes, sexual reproduction creates embryos, resulting in offspring genetically distinct from the parent or parents. Asexual reproduction creates new individuals, genetically similar to the parent plants, without the fusion of gametes.
Explanation:
Identify the light source of the compound light microscope.
A
B
C
F
Answer:
F
Explanation:
The light source on microscopes comes from below, at the base.
What causes the stoma to open?
A. When the guard cells are full of water, they become stiff and hold
the pore open.
B. When the guard cells get covered in wax, they become limp and
the pore opens
C. When the guard cells are empty, they become limp and the pore
opens.
D. When the guard cells inflate with oxygen, they become stiff and
the pore opens.
A. When the guard cells are full of water, they become stiff and hold
the pore open.
Two guard cells make up the stomata. The walls of these cells are thicker on the inside than they are on the outside. Stomata open when they take in water and close when they lose water due to the unequal thickness of the paired guard cells.When stomata open, they release water vapor and other gases into the atmosphere, including oxygen.A. When the guard cells are full of water, stoma become stiff and hold the pore openFor more information:
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Why is it important that all amino acids share a common structure and only vary in their side group?
Answer:
The side groups are what make each amino acid different from the others. Of the 20 side groups used to make proteins, there are two main groups: polar and non-polar. ... The polar and nonpolar chemical traits allow amino acids to point towards water (hydrophilic) or away from water (hydrophobic).
Explanation:
Is The sun warms up the swimming pool conduction or radiation
Answer:
Given that water is clear and colorless, it seems that it will absorb very little direct radiation from the sun. The sides and the bottom of the pool can however heat it by conduction.
Explanation:
hope it help and if it doesnt sorry;)
Answer:radiation
Explanation:It’s radiation because when you conduct heat to something it mostly to an object and that is creating energy.Conduction is also mostly used with a object like wood doesn’t conduct heat well but metal does.
6. One revolution of Earth around the sun takes
one day.
one week.
one month.
one year.
Answer:
1 year
Explanation:
it takes 365 days estimate to do so.
would you consider alcohol as food nutrient? explain.
Answer:
hello, hope it helps
Explanation:
Alcohol would not fall under the category of an essential nutrient because not having it in your diet does not lead to any sort of deficiency. Alcoholic beverages primarily consist of water, alcohol (ethanol), and different amounts of sugar.
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Which activity demonstrates chemical weathering? A grinding of talc into a powder
B freezing of water in the cracks of a sandstone sidewalk
C dissolving of limestone by acid rain
D abrasion of a stream bed by tumbling rocks
8. The central Dogma of Biology states:
a. DNA proteins ORNA
b. RNA O Proteins DNA
c. DNA RNA proteins
d. DNAO RNA mRNA
Answer:
Answer is C.
Explanation:
I hope it's helpful!
Which of the following happens to chromosomes during prophase?
A
They move to opposite sides of the cell.
B
They become centrioles.
C
They condense.
D
They disappear.
12. Compared to the parent cell, a daughter cell produced as a result of binary fission?
(1) has one-half as many chromosomes
(2) has twice as many chromosomes
(3) is the same size, but has fewer chromosomes
(4) is smaller, but has the same number of chromosomes
Answer:
option 4 is correct.
Is smaller but have the same number of chromosomes.
Explanation:
In binary fission daughter cell have same number of chromosome but smaller in size as compared to parent cell.
how do nocturnal animals see better in the dark than we can?
Nocturnal animals possess a pathway through which rods connect to the same “dark” circuits used by cones, which allows them better perception of edges, movement, and silhouettes in dim light. Even the nuclei of the rod cells are adapted for night vision. ... One can only guess at what nocturnal animals see.