The heart is important for transporting oxygen to the muscles when we exercise. How does the heart rate change when we go from sitting on a chair to running up the stairs?
A. The heart rate stops.
B. The heart rate gets slower.
C. The heart rate gets faster.
D. The heart rate stays the same.
Answer: C. The heart rate gets faster.
Explanation:
its true also give brainliest
The heart rate gets faster
Explanation:
C. Because when you are sitting your heart rate is chill put if you're moving really fast that means your heart rate is going up because you have to deep breaths over and over when you stop running.
Which of the following scientists are accredited with discovering DNA?
Group of answer choices
Einstein
Watson and Crick
Gregor Mendel
all of these
Answer:
Watson and Crick
Explanation:
NO LINKS AND I WILL GIVE BRAINLIEST!!
How was a round-the-world voyage useful to Darwin for developing his theory of evolution?
Answer: During the long voyage, Darwin made many observations that helped him form his theory of evolution. For example: He visited tropical rainforests and other new habitats where he saw many plants and animals he had never seen before (see Figure below). This impressed him with the great diversity of life.
Explanation:
If a wolf eats a herbivore, the energy is transferred ________.
Explanation:
enrgy used and it will help woth the enery that the herbivore ate
Answer:
from the herbivore to the wolf
If the black line represents a reaction without an enzyme and the red line represents the same reaction with the addition of an enzyme, what can be said of the relationship between the use of an enzyme and the energy of the reaction?
A.
Less energy is released by a reaction without an enzyme.
B.
More energy is absorbed by reactions without an enzyme.
C.
More energy is absorbed by a reaction with an enzyme.
D.
Less energy is released by a reaction with an enzyme.
Answer:
more energy is absorbed by reactions without an enzyme.
Answer:
D.
More energy is absorbed by reactions without an enzyme.
Explanation:
Pls answer
The human body needs minerals to survive. Without
minerals, the body could not function properly. The minerals
that make up rocks are the same minerals that someone
might eat in a bowl of cereal! The body needs about 80
different types of minerals to function properly. Iron enriches
the blood, salt maintains fluid balance, calcium fortifies the
bones, and fluorine strengthens the teeth. Most vital
minerals can be absorbed into the body from eating plants
and lean meats. However, many food manufacturers add
minerals to their products to make them more desirable to
consumers. Eating a balanced diet can ensure that the
proper amount of these essential minerals is ingested.
Question:
The passage tells us that "many food manufacturers add minerals to their products to make them more desirable to consumers." Do you think that this is a good idea? What are the pros and cons?
Answer:
You have to put down what you think and not what other people thing
Explanation:
You can simply answer this question yourself by doing research or just thinking if its a good idea
Eating vegetables and lean meats can help the body absorb the majority of essential nutrients. However, many food producers add minerals to their products to increase customer appeal.
What are nutrients?Chemical elements known as nutrients are present in all living things on Earth. They are essential to the survival of all living things, including humans, animals, and plants.
The breakdown of food by nutrients provides energy for living things. They are utilised in every bodily function of an organism.
The majority of vital nutrients can be more easily absorbed by the body when veggies and lean meats are consumed.
To boost consumer appeal, several food companies do, however, add minerals to their products.
Although processing has many advantages, it can also be harmful and reduce the nutritional value of food.
For instance, blanching causes vitamin and mineral leaching losses. Additionally, during processing, milling and extrusion might result in the physical removal of minerals.
Thus, these are some pros and cons of the given scenario.
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The reduction of a molecule is classified as what type of reaction?
explosion.......................... >:(
how many milliliters of acetic acid solution (contents of weigh boat C) did you have to add to neutralize the contents of Beaker B, the sodium bicarbonate?
Answer: SDFGHNJMNJHIBUGVFCVGBJHNK
Explanation:DXGNK MBFCHBJKN
Matching (1pt each) Match the structures/organisms on the right to the appropriate statement below. Use each letter once.
i. A body cavity surrounded on only one side by mesoderm:
ii. Fungal hyphae without septa
iii. Structure made entirely of endoderm tissue in bilateral animals:
iv. Structural compound that provides strength to xylem & phloem:
v. Structure where microspores are created in Angiosperms:
vi. This process happens just prior to meiosis in ‘club’ and ‘sac’ fungus:
vii. A structure used by fungus to penetrate a plant’s cell wall:
viii. Something that will sting you if touched while you swim in the ocean:
ix. A structure used by Ectoprocts during suspension feeding:
x. A lifeform that results from a mutualism between a fungus and algae:
xi. A plant that relies on flagellated sperm for reproduction:
xii. Structure containing pollen in Conifers:
A. Alimentary canal
B. Pseudocoelom
C. Coenocytic
D. Lignin
E. Appressorium
F. Karyogamy
G. Anther
H. Lichen
I. Anthozoan
J. Lophophore
K. Monilophyte
L. Male cone
Answer:
i
Explanation:
Mitosis is the division of the _____ and begins with a stage called ____ . As the nuclear envelope finishes dissolving, the cells enter ____, where microtubules from the spindle attach to the duplicated X-shaped chromosomes.
When all chromosomes are fully attached to the spindle, they align at the midplate between poles. This marks the middle of mitosis, which is ____ . As sister chromatids separate, cells enter ____ and they finish separating and a nucleus reforms around each set of new chromosomes in ____ . During this phase, cytokinesis also becomes visible as the cells themselves begin to divide.
Answer:
cell; prophase. prometaphasemetaphase. anaphase, telophase.Explanation:
Mitosis is the division of the cell and begins with a stage called prophase. As the nuclear envelope finishes dissolving, the cells enter prometaphase, where microtubules from the spindle attach to the duplicated X-shaped chromosomes.
When all chromosomes are fully attached to the spindle, they align at the midplate between poles. This marks the middle of mitosis, which is metaphase. As sister chromatids separate, cells enter anaphase and they finish separating, and a nucleus reforms around each set of new chromosomes in telophase. During this phase, cytokinesis also becomes visible as the cells themselves begin to divide.
Match each explanation to the correct step of the Scientific
Method.
Explanation:
Hi!! sorry to take up this space and probably waste your time but you didn't insert a picture or equation!! I'm so sorry, I'd help you otherwise!
What geological feature is found along the sides of the grand canyon?
What does this feature turn into?
Answer:
The Colorado River has carved the Grand Canyon into four plateaus of the Colorado Plateau Province. The Province is a large area in the Southwest characterized by nearly-horizontal sedimentary rocks lifted 5,000 to 13,000 feet above sea level.
hope this answer helps you.....
True or False: The larval stage of the sea urchin is called the pluteus.
Answer:
False
Explanation:
it is called planktotrophs.
Answer:
larva, which is called a pluteus, has a small, wartlike bud that grows into the adult while the pluteus tissue disintegrates. In both examples it is as if the organism has two life histories, one built on the ruins of another.
Explanation:
hope this helps :)
Type the correct answer in the box.
The temperature equivalent to 77°F is
°C.
Use the formula to convert the temperature.
Answer:
25 degree celcius
Explanation:
formula
(given degree Fahrenheit - 32)×5÷9
(77 - 32)× 5÷9
= 25°C
Here I will show you how to convert 77 F to C so you know how hot or cold 77 degrees Fahrenheit is in Celsius. The F to C formula is (F − 32) × 5/9 = C. When we enter 77 for F in the formula, we get (77 − 32) × 5/9 = C.
so therefore the answer is 25 degrees celsius
How might a wildfire influence mass wasting? By drying out (removing the water) from the regolith on a slope, wildfires decrease the likelihood of a mass wasting event. A wildfire can dry out the regolith on a slope, making it less cohesive and more likely to travel downward. Wildfires burn only at the bottom of a slope, which oversteepens the slope and induces mass wasting. The ash from the wildfires lands on the slope, adding enough mass to instigate mass wasting. Because plants on a slope bind the regolith with their roots and shield the soil surface from raindrops, a wildfire that destroys these plants would render the soil looser and more susceptible to the erosional forces of rain.
Answer:
Because plants on a slope bind the regolith with their roots and shield the soil surface from raindrops, a wildfire that destroys these plants would render the soil looser and more susceptible to the erosional forces of rain.
Explanation:
The plants present in a region, protect the soil from being eroded by the impact of rain or wind. This is because the roots of the plants leave the soil more aggregated, block the impact of the wind and allow water to infiltrate. This protection is increased on slopes, where the chances of erosion are greater. However, when a fire occurs and these plants are killed, the roots no longer provide protection to the soil, leaving it drier and looser. This causes the wind to break this soil apart, facilitating erosion. In addition, rainwater has difficulties in infiltrating the soil and ends up draining, taking parts of the soil with it and causing erosion.
What word means "between the dorsal wall and peritoneum” and refers to the location
of the kidneys?
Answer: The kidneys are situated in between posterior abdominal wall and partial peritoneum.
Explanation:
Kidneys are located at the dorsal side of the body of vertebrates including humans. These are located opposite to the spine. The location of the kidney is the retroperitoneal space that lies in between the posterior abdominal wall and partial peritoneum. Peritoneum is the serous membrane which forms the lining of the abdominal cavity. It also covers the kidneys from the dorsal side. The kidneys are well protected by muscles and fat at the dorsal side.
HELPPPPPPPP!!!! what is a mutation that a polar bear can have to help conserve energy and how do genetic mutations relate to chromosomes, genes, protein, and DNA?
Answer:
wings
Explanation:
GIVING BRAINLIEST!!
What were three different biomes that Darwin visited on his voyage.
Answer:
Tropical rain forest, temperate woodlands, temperate forest.
Explanation:
Charles Darwin collected plants and animal specimens for the study of their distinct pattern of biodiversity. Darwin visited three biomes namely temperate forest, tropical rainforest, and temperate grassland.
What are biomes?
A biome is a biogeographical unit which is consist of a biological community formed in response to a shared regional climate.
Biomes may be spread over more than one continent. Biome is a term for habitat which can be comprised of a variety of habitats.
During the voyage, Darwin visited three biomes namely temperate forest, tropical rainforest, and temperate grassland for the study of biodiversity of plants and animals.
Thus, it can be concluded that temperate forests, tropical rainforest, and temperate grassland are the three different biomes that Darwin visited on his voyage.
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Please give me the correct responses.Only answer if you're very good at science/biology.Please don't put links to websites or else I'll report you.
Scientists believe Polar Bears have evolved from a group of Brown Bears that became an isolated population during a time when the Earth's climate began cooling down.What are some adaptations that make Polar Bears different from Brown Bears and what do you think caused the adaptations to occur?
Answer:
One adaptation is white fur. There was probably one white cub born to a brown bear mother, and the fur helped camouflage it for safety and later, hunting. This bear would have been more successful in hunting in the arctic, so it was more likely to reproduce and pass on the white fur genes. A second adaptation is the long claws of brown bears that are used for digging through vegetation would have shortened to be safer on ice. Polar bear paws also have little sticky bumps on their paws for gripping ice.
A third adaptation is that polar bears don't hibernate in winter. In winter, there is a lot more food available to them, so they need to stay awake. A fourth adaptation is their hair is also now water repellent, because most of their food comes from the sea. A fifth adaptation is in their digestive system. Polar bears don’t digest carbohydrates as well as brown bears, because their diet has much more fat than anything else. Polar bears hunt seals and can convert the blubber into fat for their bodies to live off of when food is scarce.
One of the purposes of transcription is to produce a sequence of bases that
А. transforms into carbohydrate molecules.
B. replicates molecules of DNA without using sugars.
C. codes for the manufacture of a specific protein.
D. substitutes for essential amino acids.
Answer:А. transforms into carbohydrate molecules.
Explanation:
Organisms that live in similar environments, such as the ocean, often have similar adaptations. This is often due to
A. convergent evolution
B. coevolution Proton
C. gradualism
D. sexual selection
Answer:
A.
Explanation:
Convergent evolution is the independent evolution of similar features in species of different periods or epochs in time.
Organisms that live in similar environments, such as the ocean, often have similar adaptations, and this is often due to convergent evolution, which is in Option A, as convergent evolution is a process by which organisms that live in similar environments adapt.
What are coevolution and convergent evolution?Convergent evolution occurs because the same selective pressures are acting on the organisms, leading to the development of similar adaptations, such as streamlined bodies and fins, in many species of fish that live in the ocean and this is due to convergent evolution.
Hence, organisms that live in similar environments, such as the ocean, often have similar adaptations, and this is often due to convergent evolution, which is in Option A, as convergent evolution is a process by which organisms that live in similar environments adapt.
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Which process of respiration does fermentation utilize?
Answer:
anaerobic respiration: A form of respiration using electron acceptors other than oxygen. fermentation: An anaerobic biochemical reaction. When this reaction occurs in yeast, enzymes catalyze the conversion of sugars to alcohol or acetic acid with the evolution of carbon dioxide
Explanation:
What are the products in 6CO2 + 6H2O C6H12O6 + 6O2
Answer:
the product of photosynthesis is starch(sugar) and oxygen.
Animals with exoskeleton are called
Answer:
Examples of animals with exoskeletons include insects such as grasshoppers and cockroaches, and crustaceans such as crabs and lobsters, as well as the shells of certain sponges and the various groups of shelled molluscs, including those of snails, clams, tusk shells, chitons and nautilus.
Explanation:
hope this helps :)
What is gene therapy in a short answer?
Answer:
Gene therapy is designed to introduce genetic material into cells to compensate for abnormal genes or to make a beneficial protein. If a mutated gene causes a necessary protein to be faulty or missing, gene therapy may be able to introduce a normal copy of the gene to restore the function of the protein.
Answer:
Gene therapy is a medical field that focuses on the genetic modification of cells to produce a therapeutic effect or the treatment of disease by repairing or reconstructing defective genetic material.
Explanation:
How is the instructions for your traits carried on a DNA molecule?
Sequence of the nitrogen bases
In the bond between the phosphate and the sugar
O In the Deoxyribose Sugar
O In the phosphate group
Sequence of the nitrogen bases
Which phrases describe the open-ocean zone? Check all that apply.
very little sunlight
Ofew nutrients
low temperatures
low density
located near coasts
Answer:
Very Little Sunlight
Few Nutrients
Low temperatures
Explanation:
It was correct on the test.
Hello, t8j5gq6rzt! I hope I can answer your question.
The open-ocean zone has low temperatures because there's little sunlight. So you will want to check:
Very little sunlight
Low temperatures
PS. Brainliest would be appreciated. :)
What adaptations do trees have in the rainforest?
Question 7 options:
deep roots that do not spread out over a great distance
deep roots and spread their roots out over a great distance
short roots that do not spread out over a great distance.
short roots and spread their roots out over a great distance
Answer:
the answer is c
Explanation:
i took the quiz and got it right
The adaptations trees have in the rainforest are short roots that do not spread out over a great distance.
How are adaptations necessary in ecology?All organisms need to adapt to their habitat to be able to survive. This means acclimating to be able to survive the climatic conditions of the ecosystem, predators, and other species that contend for the same food and space.
Thus, the correct option is "C".
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In the human body, organ-systems interact with each other to maintain homeostasis.
Using the diagram above, explain how this system interacts with another in the body to maintain homeostasis?
O The circulatory and digestive systems interact to produce and deliver oxygen to the body.
The respiratory and digestive systems work together to produce and transport nutrients to all cells in the body.
The digestive and excretory systems interact to produce and remove waste from the body.
The immune and digestive systems work together to provide protection against infectious organisms in the body.
Answer:
i believe its d
Explanation:
the illustration below shows a cellular process which of the following is shown in this illustration a gene expression b DNA replication c DNA translation d transcription
Answer:
dna replication
Explanation:
Answer B