Biology Middle School

i need help with this please help me!!!!!

Answers

Answer 1

Relate from plant cell to human

Related Questions

can someone pleasee choose the correct answer xx

Answers

Answer:

They were made by comets colliding with the moon

Answer:

I believe it is the third option. H e tried his best to prove the moon's craters were volcanic rather than the results of asteroid impact!

What does the octet rule state?

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Answer:

The octet rule is a chemical rule of thumb that reflects the observation that main group elements tend to bond in such a way that each atom has eight electrons in its valence shell, giving it the same electronic configuration as a noble gas.

Explanation:

Answer:

The octet rule states that atoms tend to form compounds in ways that give them eight valence electrons and thus the electron configuration of a noble gas.

Explanation:

A resource, such as oil, that cannot regenerate in a reasonable amount of time is called
A. nonrenewable
B. renewable
C. restricted
D. scarce

Answers

Answer:

A. nonrenewable

Explanation:

...........jjhj

Answer:

Explanation: nonrenewable is the answer

The major benefit of solar energy is its low:
A)cost
B)pollution
C)maintenance
D)complexity

Answers

Answer:B population

Explanation:

Answer:

B) Pollution

Explanation:

The answer is pollution because solar energy is costly, difficult to maintain, and fairly complex.

Study the graph about seismic waves.

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It a or b I think
But I could be wrong

what conclusion can you draw from the information shown in the graph?

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Answer:

Carbon dioxide levels are currently miuch higher than normal.

Explanation:

The graph shows that there has been a peak of CO2 in the atmosphere in the past few years.

Answer:

B. Carbon dioxide levels are currtently higher than they have wever been

Explanation:

I got it irght

What are comets?
please type with your own words

Answers

A common is like it I see small solar system body. When it is passing the sun it warms and begins to release gases in process called outgassing. That is the best I could do in my words describing a comment.

A comet is an icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process called outgassing. This produces a visible atmosphere or coma, and sometimes also a tail.

Describe the difference between ionic and molecular compounds.

Answers

Answer:

The main difference between Ionic and Molecular Compounds is that the electrons of atoms in ionic compounds are transferred between the elements because of the presence of a difference in electronegativity. However, in the case of molecular compounds, the electrons are only shared but not transferred.

Explanation:

Brainliest please?

Brainlest to most explained person.
What is genetically modified food?

Answers

Genetically modified foods are foods that have been engineered (changed/altered) to produce from the original food to have a change in DNA using genetic engineering. For example cotton candy grapes, there isn’t such thing as a real cotton candy grape, the flavor of the grape been modified to taste like cotton candy.

Answer: Genetically modified foods are foods produced from organisms that have had changes introduced into their DNA using the methods of genetic engineering. Genetic engineering techniques allow for the introduction of new traits as well as greater control over traits when compared to previous methods, such as selective breeding and mutation breeding.

Explanation:

give me a definition for Protista kingdom. WILL MARK BRAINLYIEST AS SOON HAS I CAN.

Answers

Eukaryotic organisms that cannot be classified as a plant, animal, or fungus.

Answer:

A protist is any eukaryotic organism that is not an animal, plant, or fungus.

to help scientists predict weather, what can aircraft do that no other technology can do?

Answers

Answer:

Explanation:

Because the other choices are unlogical in this context.

Have a grrrreat day!!

D. They can collect radar signals in the air

Which of the following organelles/structures does a plant cell have that an animal cell does NOT? (Select all that apply.)
Cytoplasm
Cell Membrane
Chloroplast
Cell Wall

Answers

ITS CELL WALL NOT WHAT THEY SAID

cell wall ! hope this helps

which level comes just after atoms in the organization chart of living things?
A. Cells
B. Molecules
C. Organs
D. Tissues

Answers

B because atoms make up molecules and molecules up cells and cells make up tissues and two or more kinds of tissues work together to make a organ

B because atoms are contained of molecules

What are the main differences between the Pfizer coronavirus vaccine and Moderna coronavirus vaccine that are being reported? Any similarities?

Answers

Answer:

that´s right v

Both are American companies but Pfizer is developing its vaccine in partnership with German biotech company. Pfizer, claims its vaccine is 90% effective, though, as Grindrod cautions it is far too early to say if that fiver percent difference is a true difference. One significant difference between the two is that Modera vaccine remains stable at normal vaccine storage temperatures, while the Pfizer vaccine requires ultra-low temperatures of around -70C. This requirement could present Pfizer’s vaccine with storage and transportation challenges, as the company admitted when it announced the vaccine.

Molecule that carries the genetic instructions for all living organisms. *

A. DNA
B. Genes
C. Chromosomes
D. Nucleus

Answers

It’s A. (DNA)
Hope this helps you

ANSWER NOW SO I CAN GET OF THIS STICKING COMPUTER!!!!! 100pt
A scientist is using a microscope to observe a type of bacteria. Which two structures would the scientist most likely see? nucleus and DNA DNA and cell wall and vacuole and nucleus

Answers

Answer:

cell wall and vacuole

Explanation:

Answer:

✨

Explanation:

This is a year old

Can someone help me with this question?

"A student records the amount of time it takes mice to run through a maze "
( there is a photo of the A-D answers )

This is science but I put biology because I can't seem to find a science button, Thanks!

Answers

Im pretty sure its a or d

i believe it’s D??????????????????

These are the basic building blocks of all living things. *

A. DNA
B. Cells
C. Genes
D. Chromosomes

Answers

Answer:

cells

Explanation:

B cells pls tell me if wrong

Circle the compounds that are acids. Underline the ones that are bases. Distilled water Dish soap Drain cleaner Vinegar Detergent Milk Orange juice Deodorant Window cleaner Toilet cleaner

Answers

Answer:

The acids are Vinger, Orange juice, Drain cleaner. The bases are Distilled water Dish soap, Detergent, Milk, Deodorant, Window cleaner Toilet cleaner.

Explanation: Hope this helps :)

Answer:

The acids: Vinger, Orange juice, Drain cleaner. The bases: Distilled water Dish soap, Detergent, Milk, Deodorant, Window cleaner Toilet cleaner.

Give the OTHER person brainliest. PLS!!!!!!!!!!!!!!!!!

A plate boundary where an ocean plate collides with a continental plate forms _________

A ridge
A subduction zone
A strike slip fault
A tsunami

Answers

Answer:

When the plates are at the mid ocean ridges thay are spreading apart creating new ocean floor. this is also called a divergent boundary

The first one, a ridge!

Which statement is true of organisms that reproduce asexually?

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Answer:

where are the statements?

Organisms ofc...........

I am the gatekeeper to the “brain” of the cell.

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The blood-brain barrier is part of the neurovascular unit and serves as a functional and anatomical barrier between the blood and the extracellular space. It controls the flow of solutes in and out of the brain thereby providing an optimal environment for neuronal functioning.

Source: Google

I don’t know if this is what you’re looking for but I hope I helped at least a little bit

The answer is cell membrane

the following diagram shows parts of the rock cycle. what process are shown by letter b? erosion and weathering, heat and pressure, cementation only, cooling and hardening.... PLEASE HELP

Answers

formation of metamorphic rock from sedimentary rock goes thru the process of Heat and Pressure (B)

Heat and pressure are used to transform sedimentary rock into metamorphic rock. Therefore, option (B) is correct.

What is a rock cycle?

The rock cycle is a continuous process that describes the transformations of rocks from one form to another. There are three main types of rocks: igneous, sedimentary, and metamorphic. The rock cycle explains how these different types of rocks can be transformed into one another over time through various geological processes.

Metamorphic rocks are formed when existing rocks are subjected to high temperatures, high pressures, or both, causing them to change in appearance and composition.

The rock cycle is driven by various geological processes, including tectonic activity, erosion, and weathering, which can all contribute to the transformation of one type of rock into another. For example, metamorphic rocks can be transformed into sedimentary rocks through the process of weathering and erosion, or into igneous rocks through the process of melting.

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People are often reminded to conserve water. Explain why we should conserve water if water is never lost but is constantly recycled throughout Earth.

Answers

The thing about water is that not all water on earth is able to be utilized. (Drinking) Think about it, 75 percent of the world is ocean that cannot be consumed. We need to conserve clean drinking water so that we can survive.

This is because you cannot drink all water on earth. Freshwater is the only type of consumable water and there is less than 10% available. Water is very valuable for us to survive. BRANLIEST?!!!

List at least four characteristics of acids

Answers

Answer:

1. Aqueous solutions of acids are electrolytes, meaning that they conduct an electrical current.

2. Acids have a sour taste.

3. Acids change the color of certain acid-base indicators.

4. Acids react with active metals to yield hydrogen gas.

Explanation:

I looked it up.

What do the numbers and letters in an electron configuration mean?

Answers

The tiny superscripts say how many electrons live in each orbital, the letters represent the orbitals that are available, and the big numbers say which energy level the orbitals are found in.

The numbers in an electronic configuration determine the energy level in the orbitals while the letters represent the orbitals that are occupied by the element.

What do you mean by Electronic configuration?

Electronic configuration may be defined as the process of the arrangement or distribution of electrons within orbitals around an atomic nucleus of an element.

According to the question, the letters signify the number and feature of specific orbitals while the numbers reveal the energy level which is characterized by that specific orbital.

Electronic configuration is the representation of electrons distributed in atomic shells of an element that typically illustrates the electronic configuration.

Therefore, the meaning of numbers and letters in an electron configuration is well described above.

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A universal indicator can be used to determine the exact pH. What other devices can determine an accurate measurement?

Answers

pH meter, and liquid-acid base

This diagram is of an amniote egg.

What is the correct label for C in this diagram?

umbilical cord

womb

yolk sac

placenta

Answers

I believe the answer would be placenta.

The labeling for the C in the given amniotic egg is placenta. The correct option is D.

What is an amniotic egg?

The amniotic egg is basically an air-breathing egg along with extraembryonic membranes and a shell.

During development, these encased the amniote embryo in a private pond and facilitated gas exchange with the surrounding environment.

The amnion forms a membrane that encases the embryo in amniotic fluid, while the allantois and yolk sac evolved into the umbilical cord.

Many mammals that we are familiar with have this type of amniotic egg, including humans, rabbits, dogs, and others.

The placenta is a developing organ in the uterus during pregnancy. A growing baby gets oxygen along with all the nutrients from this structure. It also cleans the baby's blood of waste products.

Thus, the correct option is D.

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Why is water, an inorganic compound, necessary for life?

Answers

Answer:

Water is considered the “universal solvent” and it is believed that life cannot exist without water because of this. Water is certainly the most abundant solvent in the body; essentially all of the body's chemical reactions occur among compounds dissolved in water.

We are made of 80% water so if water did not exist nether would we

The image below shows a certain type of global wind:

The Earth is shown as a circle. Equator is shown and labeled at 0 degrees. 30 degrees north and south latitudes are shown and labeled. 60 degrees north and south latitudes are shown and labeled. Curved arrows are shown from the top and bottom ends of the circle towards 60 degrees north and south latitudes.

What best describes these winds?

A. Trade winds blowing in a curved manner due to the rotation of Earth
B. Polar easterlies blowing in a curved manner due to Coriolis Effect
C. Polar westerlies that curve due to air above poles being relatively cooler
D. Jet streams that curve due to air above equator being relatively warmer

Answers

B or D both make great points and would be my top two but I am more confident in answer B. Polar easterlies blowing in a curved manner due to the Coriolis Effect

B. polar easterlies blowing in a curved manner due to Coriolis Effect

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