Answer:
The main evidence of glaciers melting is the melting of Alaska's Muir glaciers.
Explanation:
The main reason of melting of glaciers is the increase in temperature due to more emissions of greenhouse gases such as carbondioxide and methane gases. These greenhouse gases trap reflected solar radiation which increases the atmospheric temperature cause global warming. This global warming is responsible for the increase in sea level due to glaciers melting.
All living things are made of one or more cells. Here are two types of cells: an animal cell and a plant cell. Explain why animal cells do not have the organelle called the chloroplast but the plant cell does.
A) Plants do not move but animals do move. Because plants do not move they need the chloroplast for protection.
B) Plants make food, glucose, through photosynthesis in the chloroplast.
C) Animals undergo photosynthesis to stay alive and for this, they use the chloroplast.
D) The chloroplast helps plant cells regulate the water that moves in and out of the vacuole.
Answer:
B) Plants make food, glucose, through photosynthesis in the chloroplast.
Plants make food, glucose, through photosynthesis in the chloroplast. Therefore, option (B) is correct.
What is a chloroplast?A chloroplast is an organelle found in plant cells and some protists that is responsible for photosynthesis. It contains a green pigment called chlorophyll, which is responsible for the plant's green color and helps absorb light energy from the sun. The chloroplasts use this energy, along with carbon dioxide and water, to produce glucose and oxygen through a process called photosynthesis.
Chloroplasts are unique because they have their own DNA and can replicate themselves. They are also surrounded by a double membrane that helps regulate what enters and exits the organelle. Within the chloroplast, there are stacked structures called thylakoids, which contain chlorophyll and other pigments. The thylakoids are arranged in stacks called grana, and the space between the grana is called the stroma. The stroma contains enzymes that are essential for the reactions of photosynthesis. Chloroplasts play a crucial role in the survival of plants and the food chain, as they are responsible for producing the energy that supports most life on earth.
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A cell contains....
A) bacteria and other small organisms.
B) smaller structures that helps it do its job.
C) only empty space.
D) a gel-like liquid with no structures.
Answer:
B
Explanation:
A is just false- there is no bacteria or other organisms inside cells.
C is incorrect because cells have lots of different things inside them
D is only referring to the cytoplasm in cells.
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Which of these is a function of the blood?
A.) carry oxygen to cells
b.) carry wastes to be removed
c.)both are functions of the blood
Answer:
C
Explanation:
Blood is needed to keep us alive. It brings oxygen and nutrients to all the parts of the body so they can keep working. Blood carries carbon dioxide and other waste materials to the lungs, kidneys, and digestive system to be removed from the body. Blood also fights infections, and carries hormones around the body.
Answer:
C
Explanation:
usually it is carrying the oxygen to to other parts of the body hence why the blood is red, our blood is blue till it meets oxygen, and occasionally it is carrying the bad waste in the body to get out so i believe that it is C
What are four conditions required for fossilization of an organism? Write each condition in the left
Four conditions for fossilization:
Only dead organism or plant
The dead to be buried quickly
Prevention of decaying and decomposition of the dead
Dead to be buried in environment where carbonates precipitate at large
Explanation:
The plants or animals preserved in sedimentation rock are said to fossilized and the process is called fossilization.
Conditions for fossilization are:
1) Only dead organism or plant: Only dead animal or organism are considered for fossilization.
2) The dead to be buried quickly: To preserve the organism a death by natural calamity is best.
3) Prevention of decaying and decomposition of the dead: The animal needs to be kept in anaerobic conditions and ensured that bacteria do not throng and start the decaying process.
4) Dead to be buried in environment where carbonates precipitate at large:
The soil should be rich in mineral rich water in which carbonates are in excess. The carbonates will get deposited on the degrading tissues and the tissue attain the shape of rock formed by carbonates.
Answer:
Four conditions for fossilization:
Only dead organism or plant
The dead to be buried quickly
Prevention of decaying and decomposition of the dead
Dead to be buried in environment where carbonates precipitate at large
Explanation:
The plants or animals preserved in sedimentation rock are said to fossilized and the process is called fossilization.
Conditions for fossilization are:
1) Only dead organism or plant: Only dead animal or organism are considered for fossilization.
2) The dead to be buried quickly: To preserve the organism a death by natural calamity is best.
3) Prevention of decaying and decomposition of the dead: The animal needs to be kept in anaerobic conditions and ensured that bacteria do not throng and start the decaying process.
4) Dead to be buried in environment where carbonates precipitate at large:
The soil should be rich in mineral rich water in which carbonates are in excess. The carbonates will get deposited on the degrading tissues and the tissue attain the shape of rock formed by carbonates.
Explanation: person above me is right
Which action would be completed by skeleton muscle tissue
Answer:
Kicking a soccer ball
Explanation:
1. digesting lunch
2. Blood moving through arteries
3. increasing the heartbeat
4. kicking a soccer ball
Answer:
D: Kicking a soccer ball
Explanation:
10 point
Check all the boxes that accurately describe importances of
phosphorous and the phosphorus cycle *
Phosphorous is a component of Dna and Rna
N
Phosphorous pakes up all organic compounds
Phosphorous is a significant component in the make up of the phospholipid bilayer
Phosphorous is a key nutrient to increase crop yields
0
Phosphorous is a component in bones
Answer:
Phosphorus is a significant components in the makeup of lipid bilayer.
Phosphorus is a component of
bones.
Phosphorus is a key nutrient to increase crop yield.
Explanation:
Phosphorus is an element that exist in two forms as either red phosphorus or white phosphorus. It is not found on Earth because it is very reactive. Phosphorus. It is the second most plentiful mineral in the body and it makes up to 1% weight of the food. It is found in food such as meat. It is a major component of lipid bilayer. It is a component of bones and teeth. It play important roles in photosynthesis by capturing and converting sun light energy into useful compounds. It is important to increase plants yield.
Phosphorus cycle is the movement of phosphorus from the atmosphere to the Earth and back to the atmosphere.
What are chemical messengers that can travel through the bloodstream and tell cells in the body what to do.
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1.The weather we experience occurs in what part of the atmosphere?
exosphere
stratosphere
life sphere
troposphere
2.Differential heating causes global air circulation that creates permanent winds and ocean currents on a global scale.
True
False
3. If you place a bottle in warm water, the air pressure will increase as the molecules heat up. If the bottle is capped, the air pressure will increase because the air has nowhere to go. But, if you take off the cap, the air spreads out and the density decreases. If you replace the bottle cap with a balloon, you can see how the air pushes its way into the balloon.
What causes the balloon to inflate?
the ballon will inflate by itself over time
the humdity from the water caused the ballon to expand.
the heating caused the air in the bottle to expand
4.Changes in _______ cause air to move.
density
oxygen content
height
biological molecules
5. The energy from the Sun heats different areas of the globe at different rates. What is this phenomenon called??
differential heating
space heating
convection heating
thermal blanketing
6. Earth's incoming solar energy is not balanced by the radiation that it reflects or reradiates.
True
False
7.Short-wave solar radiation gets absorbed by the earth's surface and is reflected back to space as infrared radiation. What happens to the infrared radiation?
Hint: the greenhouse effect
A.It is absorbed by carbon dioxide and water in the atmosphere.
B.Nothing, it just sits there.
C.there is no such thing as infrared radiation because you can see it.
D.ultraviolet radiation is absorbed
Answer:
1. Troposphere.
Explanation:
How can DNA be used to help solve a crime?
Answer: DNA can be used to help solve a crime by identify who was present at the scene of the crime, DNA could possibly lead to the direct suspect.
By: Fingerprints, strands of hair, saliva, etc.
DNA can be used to identify an individual in a crime scene as double helix molecule composed of two long chains of nucleotides. The linear order of these nucleotides in DNA is highly specific and therefore it can be used to compare a sample found in a crime scene in order to identify a suspect.
What is a DNA?DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person’s body has the same DNA. Deoxyribonucleic acid is a polymer composed of two polynucleotide chains that coil around each other to form a double helix carrying genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses.
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Which do you think has a stronger influence on a plant - gravity or light?
How could you design a new experiment to test this?
Influence of plant under gravity or light is described below.
Explanation:
Plants' growth response to gravity is known as gravitropism; the growth response to light is phototropism. ... As a result, root cells on the upper side of the root grow longer, turning the roots downward into soil and away from the light. Roots also will change direction when they encounter a dense object, such as a rock.Geotropism (also called gravitropism) is the directional growth of an organism in response to gravity. Roots display positive geotropism when they grow downward, while shoots display negative geotropism when they grow upward. ... These cells contain small bodies that sink to the bottom of the cells in response to gravity.Tropisms are growth-mediated plant movements that help plants to respond to changes in environmental stimuli. ... The plant response to gravity (gravitropism) and the response to unidirectional light (phototropism) have long been shown to be interconnected growth phenomena.Final answer:
An experiment to discern whether gravity or light has a stronger influence on plants could involve observing plant growth under varying conditions of light and simulated gravity, employing methods such as clinostats for gravity and directional light sources.
Explanation:
The question about whether gravity or light has a stronger influence on a plant is rooted in the field of Biology. The phenomena of gravitropism and the effects of red and blue light on plant growth and metabolic activities are pivotal to understanding these influences. Gravitropism is the growth response of a plant in relation to the force of gravity, with roots showing positive gravitropism by growing downwards and shoots showing negative gravitropism by growing upwards.
Designing an Experiment:
To test the stronger influence between gravity and light on a plant, you could design an experiment where plants are grown in two sets of conditions - one where light direction varies and gravity is constant, and another where gravity varies and light direction is constant. This could involve using a controlled environment with artificial light and a rotating space to simulate changes in gravity. Observing growth patterns, direction, and general health of the plants in these varied conditions would offer insights into which factor has a stronger influence.
For instance, by rotating plants on a clinostat to simulate microgravity and using directional light sources, we can observe differences in growth direction and vigor as each variable changes. This comparative study would contribute valuable insights into plant responses.
1. What's the primary way that fungi spread and reproduce on Earth?
2. What's the role of mycorrhizae in plants? What kind of relationship is this?
3. What are the three main substances that fungi are able to turn into usable forms for other organisms?
4. What's one way that fungi help to maintain homeostasis in ecosystems?
5. Why is it helpful that fungi attack and kill other parasitic organisms?
Answer:
1. The primary way that fungi reproduce and spread their species on Earth is through spores. These spores are carried by the wind or by other organisms.
2. The role of mycorrhizae in plants is that they live in the roots of plants and turn unusable matter into minerals and water for the plants. The plants also provide energy and a place for the mycorrhiza to live.
3. The three main substances that fungi convert into usable forms for other organisms are phosphorus, nitrogen, and carbon.
4. Fungi break down organic matter and convert it into usable nutrients.
5. It's helpful that fungi attack and kill other organisms that are parasitic because these parasitic organisms can wreak havoc on the ecosystem. The fungi help to protect other species and populations by controlling and curbing the growth of the parasitic organism.
Explanation:
Penn Foster
why do religious people refuse to except the theory of evolution?
Answer:
because they are set on their beliefs and on how the way the world should be and or act based on their religious book (bible) teachings
Explanation:
Answer:
why do religious people refuse to except the theory of evolution?
Scientists believes that human evolved which contradict beliefs by religious people as they believe that God created everything while science believes that human evolves from smaller organisms to bigger ones with different theory such as big bang theory among others
Explanation:
Now write down four more questions about bulldogs that will help you strengthen your arguments in your research paper.
Answer:
how much can they weigh?
what does their bark sound like?
how thick is their fur?
how long do they live?
Explanation:
To strengthen a research paper on bulldogs, consider exploring questions about the breed's differentiation from other breeds, common health concerns, temperament, and historical background.
Explanation:
To strengthen your arguments in your research paper about bulldogs, you could consider asking the following additional questions:
What differentiates the bulldog breed from other dog breeds?What are the specific health concerns commonly associated with bulldogs?How does the bulldog's temperament affect its suitability as a pet?What is the history of the bulldog breed and its role in various cultures?Each of these questions will help you delve deeper into understanding bulldogs from different angles such as breed characteristics, health factors, behavioral traits, and historical background.
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Which shows the pathway of structures that sperm pass through or by to exit the body?
A. testes - urethra - glands – sperm duct - penis
B. penis - urethra - glands – sperm duct – testes
C. testes – sperm duct – glands – urethra – penis
D. sperm duct - glands - urethra - testes - penis
testes → sperm duct → glands → urethra → penis
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Answer:
C
Explanation:
Place the events of protein synthesis in the correct order.
The sequential events of protein synthesis include gene location, DNA unwinding, RNA synthesis, mRNA exit from the nucleus, tRNA initiation, codon-by-codon protein construction, protein folding, and final release into the cytoplasm for functional activity.
The process of protein synthesis involves several intricate steps, each crucial for the accurate construction of a functional protein. Here is the chronological order of these events:
Gene to be Decoded Located by Enzymes:
The initial step involves locating the gene to be decoded. Enzymes play a key role in identifying and preparing the gene for transcription.
RNA Polymerase Unzips and Unwinds DNA:
Once the gene is identified, RNA polymerase initiates the process by unzipping and unwinding the DNA double helix. This allows for the synthesis of a complementary RNA strand based on the exposed DNA template.
RNA is Made by Base Matching:
RNA is synthesized by complementary base pairing. Adenine (A) pairs with uracil (U), thymine (T) pairs with adenine (A), cytosine (C) pairs with guanine (G), and guanine (G) pairs with cytosine (C).
RNA Exits the Nucleus and Binds to Ribosome:
The newly synthesized RNA, known as messenger RNA (mRNA), exits the nucleus and travels to the cytoplasm, where it binds to a ribosome, the cellular machinery responsible for protein synthesis.
tRNA Brings in the First Codon:
Transfer RNA (tRNA) molecules carry amino acids to the ribosome, and the tRNA with the anticodon complementary to the mRNA's start codon initiates the process.
Protein is Built Codon by Codon:
The ribosome reads the mRNA codon by codon, attracting appropriate tRNA molecules that carry specific amino acids. These amino acids are then joined together to form a growing polypeptide chain.
Protein Folds and is Able to Do its Function:
The newly synthesized protein emerges from the ribosome and undergoes folding and post-translational modifications to attain its functional three-dimensional structure.
Protein Detaches from Ribosome and Moves to Cytoplasm:
Once the protein is fully synthesized, it detaches from the ribosome and is released into the cytoplasm, where it can perform its designated cellular function.
Final answer:
In protein synthesis, the correct order is transcription of DNA into mRNA, mRNA processing and transport out of the nucleus, translation of mRNA on the ribosome with tRNA, and finally folding and modification of the polypeptide into a functional protein.
Explanation:
Protein Synthesis Process
The process of protein synthesis involves multiple steps required for a cell to produce a functional protein. Firstly, the sequence of nucleotides in DNA is transcribed into a messenger RNA (mRNA) copy during transcription. This mRNA then exits the nucleus and travels to the ribosome. Here, transfer RNA (tRNA) molecules bind to the mRNA in a process called translation, where each tRNA carries a specific amino acid that is added to the growing polypeptide chain. After translation, the polypeptide is folded into its functional three-dimensional shape, which can be followed by further post-translational modifications and transport to the appropriate location within the cell or beyond.
Transcription of DNA into mRNA
Processing and exiting of mRNA from the nucleus
Translation of mRNA by ribosomes with the aid of tRNA
Folding and possible modification of the polypeptide chain into a functional protein
Incorrect ordering, such as starting with 'protein synthesis on the ribosome' or 'tagging in the vesicle' before the transcription and translation processes, does not accurately describe the correct sequence of protein synthesis.
Which best defines matter?
O
A. All the living things on the planet
O
B. All solid objects that can be seen
O
C. Anything in the atmosphere
O
D. Anything that takes up space and has mass
SUBMIT
PREVIOUS
How does an environmental factor such as overfishing affect genetic factors in a population? (2 points)
Group of answer choices
Overfishing will lead to increased genetic variation.
Environmental factors do not affect genetic factors.
Genetic traits that help fish survive are more likely to be seen in future generations.
Genetic traits that are targeted by the fishing industry are more likely to be seen in future generations.
4. Based on the data you found, about how many of the 100 aliens would become thin if the temperature were 35 C
Answer: D
Explanation: More than 90
In which structure is all the genetic information of an organism found?
Answer: The DNA
Explanation:
Nicole teacher asked her to make a diagram of a food chain Nicole me the diagram shown to the right what do the arrows in the diagram represent
Answer:
It shows which consumes which. A basic food chain.
Explanation:
Wherever the arrowhead is pointed at, shows that it consumes the specie next to the nock. For example, the arrow on the left has its arrowhead directed at the butterfly. This means that the butterfly consumes the flower. The next arrowhead points at the bird, which means that this bird consumes the butterfly.
Answer:
IT REPRESENTS A FOOD CHAIN
Explanation:
THE BIRD CONSUMES THE BUTTERFLY, THE BUTTERFLY TAKES THE NECTAR FROM THE FLOWER
A fish tank is a type of human-made ecosystem. Which of the following lists only abiotic factors found in a fish tank ecosystem?
A. water, fish, constant temperature
B. snails, tank, water filter
C. water filter, rocks, plants
D. water, oxygen, constant temperature
D. Water, Oxygen, Constant temperature
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Where does the pancreatic duct carry its sections?
Answer:
This large duct carries the digestive enzymes and bicarbonate down the length of the pancreas, from the tail to the head section, and into the duodenum. The common bile duct also runs through the head section of the pancreas, carrying bile from the liver and gallbladder into the small intestine
Explanation:
why does east appear on the left and west appear on the right on the right on the sky map ?
Answer:
because you are facing north
if you were facing south it would be flipped
NESW
Never Eat Soggy Waffles
N
W E
S
Explanation:
brainliest?
Answer:
because it the compass
Explanation:
Select the correct answer.
Which of the following is the correct explanation for linked genes?
O A.
genes located on the same chromosome and inherited together
O B. genes located on different chromosomes but inherited together
OC. genes located on mutated chromosomes that are inherited together
Answer:
genes exist in different forms, which we now call alleles. ... 2.11 In human beings, the gene for b-globin is located on chro- ... 3.22 The following pedigree shows the inheritance of a domi- ... 4.6 A woman with type O blood gave birth to a baby, also ... phase so that the two X chromosomes disjoin together. Option (B)
Explanation:
Euglena is a plant because it is eukaryotic, has a nucleus, makes its own food, and is unicellular.
Answer:
No, it is a protists.
Explanation:
Protists are those organisms which belongs to kingdom protista. These organisms madeup of one cell, having true nucleus and presence of different organelles such as mitochondria, ribosome, lysosomes, endoplasmic reticulum and golgi bodies etc. Euglena is a plant like protist which has the ability to make their own food like plants due to the presence of chlorophyll.
Answer:
Euglena belongs to kingdom protista
Explanation:
Euglena contains both plant like(presence of chlorophyll) and animal like(heterotrophic mode of nutrition in darkness and lack of cell wall) characteristics.To accommodate such organisms Ernst Hackel proposed the kingdom protista
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QUESTION 1
A barometer is used to measure air pressure.
True
False
QUESTION 2
Winds ussually move from the north to the south in the U.S.
True
False
QUESTION 3
Isotherms are the ____________ that connect locations of the same temperature.
lines
squares
scale
dots
QUESTION 4
Warm, moist air rises vertically in the atmosphere. As it rises, it cools and the moisture in it condenses to form what?
the exosphere
hills
ponds
clouds
QUESTION 5
Isobars are the ____________ that connect locations of he same pressure.
squares
scale
lines
dots
QUESTION 6
What is a boundary that separates air masses called?
isolines
back
front
divergent boundary
QUESTION 7
What scientific instrument is used to view and analyze weather in different parts of the world.
only local weather matters
barometer
hygrometer
satellite
QUESTION 8
Which is less dense, warm air or cold air?
density does not play a role in the movements of air
cold air
warm air
both warm air and cold air are of the same density
QUESTION 9
Weather balloons are used to measure air pressure at the ground level only.
True
False
the kingdom, one of six kingdoms of life, is known for it's ability to survive in extreme enviroments
Answer:
Kingdom Archaebacteria
Explanation:
Archaebacteria is a types of bacteria that can live in high temperature or they require high temperature to live. Archaebacteria belongs to thermophiles. These bacteria grow well in temperature between 55 to 113 degrees Celsius. These bacteria found in hot springs and hydrothermal vents. Examples of Archaebacteria bacteria are Cyanidium caldarium and Chaetomium thermophile.
Global warming takes place when the amount of carbon dioxide in the air _________
A. increases
B. decreases
C. stays the same
Answer:
A
Explanation:
Answer: Global warming takes place when the amount of carbon dioxide in the air increases.
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Why would it be important to know the possible genotypic and phenotypic ratios of different genetic crosses?
describe how an organisms niche is different than its habitat
Answer:
A habitat can be defined as an area, where different species lives and interact with the other factors, while niche is an ideology, of how an organism's lives and survive in the provided environmental conditions. Habitat consists of numerous niches; Niche does not contain any such components.
Explanation: