Biology High School

help ill mark brainlist i guess just help

Answers

Answer 1

B d is the correct answer

Related Questions

Lebron James the goat

Answers

Answer:

true true

Explanation:

Answer:

agree to disagree

Explanation:

To determine if a particular plant is h0m0zygous or h8t8rozygous, you would have to test cross with a (h0m0zygous, H8t8rozygous) recessive.

i had to post it with the 0 and 8 bc it would let me say the actual word

Answers

Answer:

i'm not sure sorry

Explanation:

Answer:

h20

Explanation:

Which of the following limiting factors will most likely prevent further population growth within an ecosystem?
A. Excess water supply
B. Food supply to the area
C. Recycling of human goods

Answers

I think the correct answer is C.

Answer:

I think the answer is either B. or C.

Explanation:

Why split up the letters on top instead of writing both of them in one box? punnet square

Answers

Answer:

By spliting them up it would be most simular to how sex cells work with traits that produce 4 possible outcomes

Explanation:

In a DNA strand, you find that 20% of the bases are Adenine. What percentage of the DNA would be Cytosine?

Answers

Answer:

Yes

Explanation:Since adenine is 20%, then thymine is 20% as well. The total of both is 40%. From 100 remains 60% which is divided equally between guanine and cytosine, so each is 30%.

What is an example of a codominate
phenotype?

Answers

Answer:

With a codominant trait, phenotypes like fur color are combined. For example, if a black-feathered chicken breeds with a white-feathered chicken, their offspring will be both black and white. They will not be gray; rather, there will be spots of both colors. Codominance means that neither allele can mask the expression of the other allele. An example in humans would be the ABO blood group, where alleles A and alleles B are both expressed. So if an individual inherits allele A from their mother and allele B from their father, they have blood type AB.

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-Dream

The copper wire is cut into three pieces of unequal lengths. All three pieces of copper would have (1 point)

A the same mass
B the seſme physical properties
C different crystal structures
D different arrangement of atoms

Answers

B.) The same physical properties.

Also the copper wire would also have the same Chemical Properties. They wouldn't have a different arrangements of atoms because that would mean they are a different substance. They wouldn't have the same mass whereas they are now in 2 pieces. Copper is not a crystal meaning it would not have any crystal structures. That leaves the only applicable answer to be B. Also in case you need to find whether or not two identical substances are the same would be by testing the melting point, hardness and solubility. I just finished working on this section in my own 8th grade Science class so I think this should either help you now or later on.

Hope this helps.

-Northstar

What is the best way to prevent contracting the influenza virus?
A.taking antibiotics B.getting a vaccination C.Drinking lots of water D.treating water supplies

Answers

Answer:

B. Getting a vaccination.

Explanation:

B. Getting A Vaccination

Influenza virus It is a respiratory virus because it infects the respiratory tract including the nose, mouth, bronchi and can even go further into the lungs to the alveoli and cause pneumonia. A person will spread the virus through coughing or sneazing that become airborne droplets. When a suceptible person comes in contact and breathes in these droplets, it causes an infection.

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What is the energy source for producers, consumers, and decomposers?

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Answer:

The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers such as plants, algae, and cyanobacteria use the energy from sunlight to make organic matter from carbon dioxide and water. This establishes the beginning of energy flow through almost all food webs.

Explanation:

Hope this helps

Answer: The Sun is the main source of energy.

Explanation:

Hope this helps!

please help marking brainliest explain pls

Answers

Answer:

The answer would be C

Explanation:

hope this helped you because it helped me out

2. Complete the table describing the types of organisms.
TYPES OF ORGANISMS
Type
Description
Examples
Organisms that make their own food
Organisms that obtain energy
from the food they eat

Answers

The food they eat makes their own food and

Why can some hazards be predicted and others can’t?

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Answer:

Predicting the size, location, and timing of natural hazards is virtually impossible, but now, earth scientists are able to forecast hurricanes, floods, earthquakes, volcanic eruptions, wildfires, and landslides using fractals.

Briefly describe the layers of the atmosphere:Troposphere-Exosphere-Stratosphere-Mesosphere-Thermosphere-

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Answer:

Explanation:

-Troposphere. It is the lowest layer and encompasses the Earth's surface up to an average height of 12 kilometers; about 17 kilometers in the equatorial regions and about 9 kilometers at poles

- Stratosphere.Separated from the troposphere by the tropopause is this layer containing 19 percent of the atmospheric gases, but very little amount of water vapour.

-Mesosphere. It is located above the stratosphere up to a height of 80-85 kilometers in the mid-latitudes, where the mesopause is located.

-Thermosphere. From the upper limit of the mesopause extends the thermosphere, known as the upper atmosphere.

-Exosfera. It is the last layer, the outerest until connected with the solar wind.

How might DNA and chromosomes be regulated (naturally or artificially).

Answers

Answer:

artificially

Explanation:

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Answer:

Explanation:

Which star is four times bright as our sun

Answers

Answer:

The star VY Canis Majoris

VY Canis Majoris

Hope this helped! :)

Find out two types of water purification and name and describe them here.

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Answer:

1. Reverse Osmosis

Reverse Osmosis works by forcing feedwater through a semi-permeable membrane.

A pump is used to apply pressure to reverse the normal osmotic flow across a membrane, meaning purified water molecules (permeate) are forced through the reverse osmosis membrane and recovered in preference to contaminants in the concentrated side which are left behind (reject concentrate).

2. Oxidisation

Oxidisation in the form of chlorination has been used as a means of water purification since the beginning of the last century. Hypochlorite is the key agent, achieving a disinfection of water by oxidising bacteria to eliminate waterborne diseases. Several different methods can be used to provide oxidation, including ozonation, chloramination, UV, bromination & chlorine dioxide. During the treatment, hydroxyl radicals are generated to destroy bacteria cells.

The diagram below represents a plant cell and three different molecules
used by the cell. Molecule 1 is able to ENTER the cell using the process of *

1) Diffusion

2) active transport

Answers

Active transport i think

Answer is Diffusion.

Diffusion is when a molecule travels from a area of higher concentration to an area of lower concentration.

The concentration of Molecule 1 is greater outside the cell as compared to inside.
2 cells inside vs. 4 cells outside

Therefore, Molecule 1 will enter the cell through diffusion.

Identify the structures of the four____ found in living

Answers

Answer:

Organic Molecules

Explanation:

The diagram of a cell shows some of its principal organelles. Drag the description of the function of the organelle indicated to the correct region.

100pts WILL GIVE BRAINLIEST

Answers

Answer:

4 is 1 6 is 2 3 is 3 5 is 4

Explanation:

i hope yo understand this

Name five countries that are in the southern hemisphere

Answers

Answer:

Argentina, Bolivia, Chile, Paraguay, Peru.

Answer:

1. Argentina.

2. Bolivia.

3. Chile.

4. Paraguay.

5. Peru.

6. Uruguay.

I NEED HELP PLEASE ITS TIMED, I DO NOT UNDERSTAND ITS TEN POINTS IF YOU ANSWER
A population is growing exponentially. What can you conclude?
A. There is no competition for resources.
B. The environment is at carrying capacity.
C. There is a very high population density.
D.The death rate is very high.

Answers

Answer:

A- There is no competition for resources

Explanation:

Will give brainliest!

Which statement is TRUE?

1)Light waves always travel at a constant speed, but sound waves do not.

2)Waves travel at different speeds through different materials.

3)Wave speed depends on the amplitude of the wave.

4)Light waves and sound waves travel at the same constant speed.

Answers

Answer:

C. Is correct

Explanation:

For a sound wave it depends on how much compression the loud speaker or musical instrument creates. In other words, it depends on the energy the source put into the wave. It does not depend on frequency, wavelength, or velocity.

The correct answer is option 3 as it explains Wave speed depends on the amplitude of the wave.

In the case of sound waves, it depends on how much compression the speaker or instrument produces. In other words, it depends on the energy the source puts into the wave. It does not depend on frequency, wavelength, or speed.

Wave amplitude does not affect the speed at which the wave propagates. Wave velocity depends on both wavelength and wave frequency. Most wave velocities depend on the medium or substance through which the wave passes. Sound waves travel faster in air and water than in solids and gases.

What is wave amplitude?

Amplitude, in physics, is the maximum displacement or distance that a vibrating object or point on a wave has moved, measured from an equilibrium position. This corresponds to half the length of the vibration path.

Hence it concludes that Wave speed depends on the amplitude of the wave.

To know more about the amplitude of the wave refers to the link :

https://brainly.com/question/3613222

Why do offsprings look different from there parents?

Answers

Living things produce offspring of the same species, but in many cases offspring are not identical with each other or with their parents. Plants and animals, including humans, resemble their parents in many features because information is passed from one generation to the next.

Offspring differ somewhat from their parents and from one another. Instructions for development are passed from parents to offspring in thousands of discrete genes, each of which is now known to be a segment of a molecule of DNA. This essay will explore some of the reasons behind how and why these differences in appearance arise, from the base sequence of DNA through to the observed phenotype.
Genes come in different varieties, called alleles. Somatic cells contain two alleles for every gene.

What happens when living things get in the dirt?

Answers

Human exploitation of fragile ecosystems can lead to the droughts and arid conditions characteristic of desertification. Effects include land degradation, soil erosion and sterility, and a loss of biodiversity, with huge economic costs for nations where deserts are growing.

Adenine always pairs with
.

Cytosine always pairs with
.

Answers

A pairs with T (thymine) and C pairs with G (guanine).

Answer:

Thymine

Guanine

Choose an organism and predict a trait that would be helpful for its survival. Do you think this could be an evolutionary change? What would have to happen for this trait to be expressed?

Answers

A kangaroo rat. They can survive on small amounts of water and with stand high temperatures. Plus they're really cute. It could most defiantly be an evolutionary change. They were put in the desert

4. Tiny drops of moisture on grass and leaves are called;
d. Air
e. Gale
f. dew
g. Breeze

Answers

Answer:

HELLOOO

SO UR ANSWER IS

f. dew

I hope it helps !!!!

Answer: F: Dew

Ex: Those tiny droplets are called “Dew”. Dew Is it liquid water droplets the formal grass spiderwebs and other things in the morning or late evening.

Explain the relationship between codon and gene.

Answers

Answer:

A codon is a trinucleotide sequence of DNA or RNA that corresponds to a specific amino acid. The genetic code describes the relationship between the sequence of DNA bases (A, C, G, and T) in a gene and the corresponding protein sequence that it encodes. The cell reads the sequence of the gene in groups of three bases.

Explanation:

1) List 10 ways that energy is used in your home or outside of your home.

2) Now, imagine yourself having surgery in a hospital and the power goes out. What could be done that the surgery could continue?

Answers

Answer:

There are many ways to save energy at home some are as following:-

1)Use Led Bulbs rather than Tubelight

2)Using Heater or Air Conditioner uses a lot of energy so we should reduce there usage

3)If possible, install a programmable thermostat to automatically adjust your home's temperature settings when you're away or sleeping.

4)Use a bucket of water rather than taking a shower

5)During Winter season use suns heat to heat up your body rather than using heater at day time

6)Save water by scraping dishes instead of rinsing them before loading in the dishwasher

7)Close the tap when not in use

8)While brushing tour teeth, use utensils to clean your mouth rather than using a tap

9)The water you use to mop the floor can we used to water the plant or even clean your car

10)Dont use dryer to dry your cloth rather put it in under sun

Explanation:

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