Is there a way to know any test exam style questions for 9th grade biology because biology is a very complex subject and lots of information to learn and I want to study the key details thanks:D

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Answer 1
So I’m doing 9th grade bio honors rn and what I find works really well is the Barron’s review books.

Related Questions

I need help with this gizmo

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A possible hypothesis for this situation is that tank 1 contains denitrifying bacteria, tank 2 contains nitrite nitrifying bacteria, and tank 3 contains ammonia nitrifying bacteria.

What is a hypothesis?

A hypothesis, which is a common term used in experiments refers to a possible explanation for the results or phenomenon observed. In this case, a hypothesis needs to focus on the type of bacteria that are present in each of the tanks.

This means that to write a hypothesis we need to relate the type of bacteria to each of the tanks.

Learn more about hypothesis in https://brainly.com/question/32562440

#SPJ1

what does a root hair cell do​

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Answer:

Root hair cells (black arrow pointing at one of the root hair cells) are single tubular root cells. Their distinctive lateral elongation increases the surface of exchange between the plant's root system and the soil. The main function of root hairs is the uptake of water and nutrients from the rhizosphere.

Cancer cells Group of answer choices are dedifferentiated. are impossible to grow in culture. are particularly sensitive to extracellular signals. divide uncontrollably and then die.

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Answer:

The options are not complete, here are the remaining options from other websites.

d. divide uncontrollably and are immortal

e. have an extra set of chromosomes, which keeps them dividing.

The correct answer is divide uncontrollably and are immortal .

Explanation:

This because cancer cells are abnormal cells that divide uncontrollably and does not follow the normal cell cycle. abnormal cell that doesn't follow this cycle. Instead of them to die, the car continually reproduce more abnormal cells that can easily invade nearby tisssues. They can travel to all part of the lymph and body parts.

L 4.5.2 Test (CST): Computer-Scored Unit Test
Question 20 of 25
What is a fixed allele?
A. An allele that is found on many genes
B. An allele present in all members of a population
Ο Ο
C. An allele that formed by adaptive radiation
O D. An allele that mutates with each generation
SUBMIT
PLEASE HELP

Answers

Answer:

The correct answer is - B. An allele present in all members of a population.

Explanation:

A homzygous variant or allele for all the members of a particular gene is a fixed gene and is the only variant that presents in all the population for that gene.

It takes place when there is all other alleles become extinct and only one remains. The allele frequency of this allele is always 1.00 in the population which means only one allele is present on the locus.

stions
Describe what a muscle fiber looks like and what it
can do.

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Answer:

Smooth muscle fibers have an oblong shape, much like a football. They’re also thousands of times shorter than skeletal muscle fibers. Similar to skeletal muscles, cardiac muscles are striated. They’re only found in the heart. Cardiac muscle fibers have some unique features.

Explanation:

if you were facing a rainbow where would your shadow be​

Answers

Answer:

Usually the radius of the arc is equal to about one-fourth of the visible sky, or 42 degrees, to the red. When there are showers nearby, simply look in the part of the sky opposite the sun at a 42-degree angle from your shadow; if there is a rainbow, that is where it will be.

                                                                  or

behind your back

hope this helps

have a good day :)

Explanation:

Answer: your shadow is likely to be at the back side of your legs.

Explanation: hope it helped

URGENT!!!

There is a population of one horned horses in Pangea, and the original
population is 1000 individuals. If their birth rate is 10/1000 and their
death rate is 50/1000, there is an immgration rate of 10 per year from
Islandea, and an emigration rate of 20 per year to Mystique Island.
How long until the populaiton goes extinct? years
(Hint - divide the original population by the rate of change)

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Answer:

i need the same thing

Explanation:

What would you expect to occur if you were to repeatedly lift 25 pounds over your head for 1 minute, rest for 1 minute, and then repeat the exercise?

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Your weight would remain the same

13. The atria (plural of atrium) are the receiving chambers while the
ventricles are the pumping chambers. *
True
False

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True
Hope this helps!

Answer:

True

Explanation:

en donde se produce La citocinesis

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La citocinesis ocurre al final del ciclo celular después de la mitosis o meiosis. En la división de células animales, la citocinesis ocurre cuando un anillo contráctil de microfilamentos forma un surco de escisión que pellizca la membrana celular por la mitad. En las células vegetales, se construye una placa celular que divide la célula en dos.

Hope this helps (i dunno Spanish but thats the translators job to know)

HELP ME PLEASEE!!! I WILL NAME YOU BRAINLIEST!!!

based on the graph below, from 1900 to 2000, humas have been experiencing what type of population growth?

A) Stagant
B) Logistic
C) Continuous
D) Exponential

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Answer:

Exponential

Explanation:

reference the shape of the graph

State how the TR4 fungus threatens homeostasis within the banana plant​

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Answer: The Panama illness is a contagious illness that TR4, or Tropical Race 4, is a Fusarium wilt strain that kills banana plants. According to the ICA, the fungus “forms resistant structures that allow it to persist for more than 30 years,” making it tough to confine.

Explanation:

knowledge!

pls help me i need help rlly fast

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Answer:

Plastics are good insulators

It would be C. Plastic

Plastics are really good insulators, meaning they can effectively & efficiently trap heat

can people see solar winds?

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Answer:

Yes

Explanation:

astrophysicists can now see the solar wind with their own eyes.

The 3 components of the Cell Theory are only referring to prokaryotic cells.
A. True

B. False

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Answer:

B. False

Explanation:

B. False

just looking that the first component of the cell theory, this is proven

Hope this helps!

long necked giraffes are dominant to short necks , the giraffe is heterozygous
what is his genotype?
what is his phenotype?

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let's say were representing neck length with L,

the genotype of a heterozygous giraffe would be Ll

the phenotype, or physical appearance would be long neck

Which type of cell does NOT contain a nucleus?

A. prokaryotic


B. eukaryotic

Answers

Answer:

A. Prokaryotic

Explanation:

The prokaryotic type cell lacks a nucleus and other organelles.

Answer:

A. the prokaryotic

they live for short period of time due to no nucleus

A city is most likely to experience a change in weather under which of the following conditions?

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Answer:

One air mass replases another over the city

.....................

Please help it’s biology!!!!!!

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Answer:

25%

Explanation:

If a parent is heterozygous, it has 2 difterent alleles. Both parents are heterozygous for blood type A, so the genotype is AO. A masks the O because A is dominant over O, so A is the blood type.

Create a punnett square to find possible offspring

AA = Blood type A

AO = Blood type A

OO = Blood type O

There is 1 child out of 4 that have blood type O. So to find the percentage divide 1 and 4 and multiply by 100.

1÷4×100 = 25

why is it important for plant's to store food?​

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Answer:

Storing the food helps them to use it in winter and survive because there is very little sunlight available and so they photosynthesis less. ... When they have extra food they store it in their seeds and when the seed grows it gets it's food from the plant until the plant is able to photosynthesis and produce its food.

Answer:

It's important for plants to store food, as food is a source of nutrition, which is necessary for survival. Rather than just eating the food, storing it is a good way to ensure nutrients during droughts or other harsh conditions that make it hard to find food.

Explanation:

HELP I GIVE BRAINLEST Which of the following is true about an


estuary?


It is all fresh water.


It is all salty water.


It has very few organisms.


It is affected by tides.

Answers

Answer:

The last one since estuaries are highly affected and are dependent on tides

Answer:

all fresh

Explanation:

When designing an experiment, you come up with the question: How does the amount you talk to a plant help it grow? Which would be the best hypothesis

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Answer:

The correct answer is - "If you increase the amount you talk to plants, then they will grow taller"

Explanation:

A hypothesis is a proposed or assumed explanation for the natural system or problem. It forms on the pre-existed or known data or knowledge. A good hypothesis should have the ability to relate to dependent and independent variables.

In this case, the best hypothesis would be "If you increase the amount you talk to plants, then they will grow taller" as it relates to the dependent and independent variables that are the growth of the plant and talking to the plant respectively.

In what form is the DNA found when a cell is beginning cell division or is involved in cell division?
A.) Centromere
B.) Chromosome
C.) Chromatin

Answers

DNA is usually in chromatin form

What is the purpose of mitosis?

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Answer:

Mitosis creates more diploid cells by copying each chromosome and moves it to the other side of the cell.

Explanation:

This lets the cell get divided straight down the middle.

different types of cells in the body have different organells depending on their main function. Considering this which type of cells would have the most mitochondria?
A. Red blood cells
B. Bone cells
C. Muscle cells
D. Nerve cells
E. Skin cells

Answers

Muscle cells the answers is c!
the answer is C, have a great day:)

I need help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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Answer:

fossil evidence, biogeographical evidence, and anatomical evidence.

Could someone please tell me if this is mold or not? I think it is but honestly I know nothing about that.

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Answer:

It would be Penicillium or Aspergillus, if it is even mold. They are some of the fastest growing molds (usually within 24 to 48 hours) and require very little moisture for their colonies to develop. I haven't ever seen mold

It's usually not possible for you to remove it from wood, but you are going to want to call someone to get rid of it. You don't know what exactly it is and buying fungicide may help.

Happy(and safe) learning!

--Applepi101 :)

The sex of an offspring is determined by
O the father.
O both parents.
O the offspring
o the mother.

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The father because males have the cry chromosomes

Quasars are very luminous, very distant active galaxies.

O True
O False

Answers

Answer:

True

Explanation:

what did this have to do with biology ?

A hybrid offspring of a male lion and a tigress is a _________.
Plz answer I will add you as brainlest

Answers

Answer:

Such offspring are called hybrid offspring. Furthermore; within such hybridization process, if male is a lion and female is a tiger (tigress) then the hybrid offspring is termed as a liger. Vice-versa; if the male is a tiger and the female is a lion (lioness) then the hybrid offspring is called a tigon.

Answer:

Liger

Explanation:

Other Questions
why is the elastic rebound theory compared to a rubber band Read this dictionary entry.lead (leed) noun1. the first or foremost place 2. a leash 3. a piece of information that helps guide; a tip or clue 4. a guide or indication of a road or courseRead this sentence from the article.While giving tours, he spotted many leads off the main passages.Which meaning best fits the way the word leads is used in the sentence above?F. meaning 1G. meaning 2H. meaning 3I. meaning 4Please help if i dont score 70% or higher im gonna stay back 2. A guy wire is attached to the top of a radio tower to help support it. The toweris 72 feet tall and the wire is attached to the ground 50 feet from the midline ofthe tower. Find the length of the guy wire to the nearest foot. There are 15 plates in the kitchen cabinet. The diameter of each plate is either 9 inches or 12 inches. The diameter of all 15 plates combined is 150 inches.Which system of equations can be used to find the number of 9-inch plates, x, and the number of 12-inch plates, y, that are in the cabinet? Can anybody help a brother out real quick? Would really appreciate that. Lines A and B are parallelA1/23/125B5/67/8m 6 = [ ?] Read this line from "O Captain! My Captain!".The ship has weather'd every rack, the prize we sought is won;What does the prize we sought is won refer to?They won a game. They found a lost treasure.They won an election.The North has won the Civil War. what kind of graph is this? King Charles came to the throne inexperiencedbut had this to his advantage.A. Kingly heritageB. A strong queenC. Military experience During which step of the writing process are the following questions asked? Do my ideas make sense? Have I arranged my ideas in the best order? Do I need to add or delete any information from my draft?RevisingEditingPrewritingPublishing In response to the Heinz dilemma, David says, "Its a natural thing for Heinz to want to save his wife, but its still his duty as a citizen to obey the law." David is most likely in the stage of __________ orientation. Which expression represents the area of the square?A: 4.4B:2+4C:2.4Or C: 4+ 4 help pls? In the morning, the temperature was 10C. By the afternoon, it had risen to 2C. What was the change in temperature from the morning to the afternoon? explain why it is important to cool down after exercise Fill in the question marks.47=7 x ? + 4 x ?Please help :) due today, almost midnight A triangle has side lengths of [tex] \sqrt{125} [/tex][tex] \sqrt{5} [/tex][tex] \sqrt{20} [/tex] What is the perimeter of the triangle? [tex]4 \sqrt{5} [/tex][tex]6 \sqrt{5} [/tex][tex]8 \sqrt{5} [/tex]none of the answers are correct Suzy has 20 counters. Mia has 9 times as many counters as Suzy.How many counters does Mia have? Enter the answer in the box. If P is inversely proportional to Q and if pad when Q = 4. Find the valueof when Q = 3.A) 7 B) 6 C) 12 Drag the tiles to the boxes to form correct pairs.Match each operation involving Rx) and g(x) to its answer.(t) = 1 - 22 and g(x) = V11 41