Answer:
Blank 1 is oxygen
Blank 2 is carbon dioxide
why do scientists refer to blood as tissue?
when an anabolic process is paired with a catabolic process, what must be true?
1.the catabolic process consumes the atp that is generated by the anabolic process
2. the catabolic and anabolic processes continue indefinitely to power each other
3.the catabolic process is nonspontaneous, and the anabolic process is spontaneous
4.the catabolic process must release at leats as much energy as is required to drive the anabolic process
4 because of the energy
1. What is the difference between a specific and a nonspecific defense?
A specific defense mechanism is just that it is specific against a particular antigen. An antibody is an example of a specific defense.
What is nonspecific defense mechanism?A nonspecific defense mechanism works against any foreign "invader." Skin is considered a non-specific defense. The lysozyme in tears will destroy any bacteria.
Prenatal development takes place in three primary stages. The first two weeks following conception are known as the germinal stage, followed by the embryonic period from the third to the eighth week, and the fetal period, which lasts from the ninth week until delivery.
Embryo, the stage of an animal's early development while it is inside an egg or a mother's uterus. When referring to an unborn human, the phrase is used up to the end of the seventh week after conception; starting with the eighth week, the term "fetus" is used.
Therefore, A specific defense mechanism is just that it is specific against a particular antigen. An antibody is an example of a specific defense.
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What is the primary function of most bacteria in a food web?
Answer:
The primary function of most of the bacteria in the food is to decompose the materials present in the environment.
The plants and animals that die in the environment is consumed by the bacteria so that the nutrients can be recycled in the soil.
These bacteria are present everywhere because all the living organism die a day.
The bacteria and fungi digests the organic part of the ecosystem. This is the primary function of the bacteria that is found in the food web.
True or false Smoking cigarettes can lead to lung disease
3 things that the cell is doing during interphase.
A river flowing downhill transports matter toward its base. Matter can be dissolved in the water or can be in the form of sediment. Which form of matter would be dissolved in the water?
sand
pebbles
leaves
minerals
How does an adult sponge asexually reproduce
In sponges, asexual reproduction can be done in two ways:
1. By budding (birth of buds, asexual reproduction of some invertebrates)
2. By the internal production of gemmules, which after the death of the sponge can also play the role of propagules. This stage of life allows the species to survive difficult conditions (dehydration, cold, lack of food) and sometimes to move better in space.
There are two methods for asexual reproduction in sponges: By budding and by gemmule formation.
Thus, By budding: (the development of buds, an asexual process used by some invertebrates).
Through the internal creation of gemmules, which can also function as propagules after the sponge has died.
This stage of development enables the species to endure challenging circumstances (cold, thirst, lack of food), and occasionally to move more effectively in space.
Thus, There are two methods for asexual reproduction in sponges: By budding and by gemmule formation.
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Please help me!!!!!! Which statement is true according to Hooke's law? I think the answer is A! Please tell me if I'm right Thanks
A. If the force on a spring doubles, the distance it stretches doubles.B. If the force on a spring doubles, the springs length increases by some unknown amount.C. If the force on a spring doubled, the distance it stretches is halved.
D. If the force on a spring doubles, the springs length decreases by the same unknown amount.
Answer: Option (A) is the correct answer.
Explanation:
According to Hook's law, the force (F) required to stretch or compress a spring is directly proportional to the stress caused within the elastic limit.
Therefore, it means that when force on a spring doubles then the spring will also stretch at a double distance.
Thus, we can conclude that out of the given options, the statement if the force on a spring doubles, the distance it stretches doubles is true according to Hooke's law.
why doesn't a person's body temperature change significantly if they spend a long time in temperatures below freezing?
Thermoregulation is the process of maintaining body heat and temperature. At temperatures below freezing, the body uses the heat produced to maintain the internal environment.
What is thermoregulation?Thermoregulation has been the mammalian mechanism to maintain the internal body environment without any dependence on the external environment. It has been the type of homeostasis that aids in survival.
The body heat can be maintained by convection, evaporation, conduction, and radiation. The various methods are used at various temperatures and conditions. There is no significant body temperature change below freezing points as the heat is used by the body to maintain its internal temperature.
Therefore, below the freezing point, the body temperature does not change significantly.
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what two factors determine the shape of a protein
what is the division of the peripheral nervous system of vertebrates that connects to the internal organs?
how has the Earth's climate changed over the last 150 years?
i am meaning by global warming
Over the last 150 years, the Earth's climate has changed significantly due to global warming caused by human activities. This has resulted in rising temperatures, melting ice caps, sea-level rise, and more extreme weather events.
Explanation:How has the Earth's climate changed over the last 150 years?
Over the last 150 years, the Earth's climate has undergone significant changes due to global warming, which is primarily caused by human activities such as burning fossil fuels and deforestation. This has led to various consequences, including rising temperatures, melting glaciers and ice caps, sea-level rise, and more frequent and intense extreme weather events.
For example, global average surface temperatures have increased by about 1.1 degrees Celsius since the late 19th century. This may seem like a small change, but it has far-reaching effects on the planet. The melting of polar ice caps and glaciers contributes to rising sea levels, which threatens coastal communities and habitats.
In addition, the increase in greenhouse gas emissions has led to more frequent and intense heatwaves, droughts, hurricanes, and wildfires. These extreme weather events have severe impacts on ecosystems, agriculture, and human lives.
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True or false the cardiovascular system does not interact with any other body system
which of these is a specific defense of the body?
(a) mucus
(b) stomach acid
(c) skin
(d) b cells
what inventions have reduced the need of migration for animals
How do tsunamis effect the atmosphere? How do the hydrosphere, biosphere and the atmosphere affect tsunamis?
Final answer:
Tsunamis can affect the atmosphere by carrying debris and pollutants into the air. The hydrosphere, biosphere, and atmosphere all play a role in influencing tsunamis.
Explanation:
Tsunamis, which are waves caused by earthquakes, can have some effects on the atmosphere. When a tsunami reaches the coastal areas, it can pick up large amounts of debris, including dust and pollutants, and carry them into the atmosphere. This can lead to air pollution in the affected regions. Additionally, the massive energy released by a tsunami can generate seismic waves that can propagate through the ground and atmosphere, causing small changes in atmospheric pressure.
The hydrosphere, biosphere, and atmosphere can also affect tsunamis. The hydrosphere, which includes the oceans, is where tsunamis originate. The size and strength of a tsunami are influenced by the characteristics of the ocean it travels through. The biosphere, which includes all living organisms, can be impacted by tsunamis. Coastal ecosystems can be destroyed by the powerful force of a tsunami, affecting the plants and animals that depend on these habitats. Finally, the atmosphere can influence tsunamis by affecting weather conditions. High winds or storms can make tsunamis more destructive by adding additional waves or making them harder to detect.
How has Linnaeus's taxonomy system changed over the centuries?
where does the digestive system begin?
Answer:
The answer is Mouth
Explanation:
The digestive system is the set of organs responsible for the feeding process. The organs that make up the gastrointestinal tract are the mouth, the esophagus, the stomach, the liver, the pancreas, the gallbladder, the small intestine, the large intestine and the anus. The digestive system begins in the mouth where the food that enters, is chewed and the digestive juice known as saliva is added.
what is one benefit to a plant living on land to a plant living in water
Where do most meteorites come from
(a) the sun
(b) the asteroid belt
(c) Jupiter
(d) stars
B! The Asteroid belt
Most meteorites come from the asteroid belt. Therefore, option (B) is correct.
The asteroid belt between Mars and Jupiter produces most meteorites. Asteroids circle the Sun in the asteroid belt. Some asteroids are expelled from the belt and intersect Earth owing to impacts or gravitational interactions.
Asteroids become meteoroids after surviving Earth's extreme heat and pressure. Meteorites land on Earth. Most meteorites reach Earth from the asteroid belt.
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Do you think that anyone in your class has all the same genetic traits that you have?
Look around: No one is exactly like you. Even an identical twin is not a clone. Each person is an individualized collection of traits -- characteristics that are influenced by genetics and, often, the environment. However, you certainly share traits with others. You are not the only one with black hair, green eyes, freckles, long legs or dimples. Your phenotype consists of all of your observable traits, and many of them are not unique to you. However, much of your phenotype is based on your genotype, which is your specific assortment of genes. This inherited information is what makes you distinctive.
No two people can have all the genetic traits same as the other person. There are certain differences in the genetic traits of each and every person on the planet.
What are genetic traits?A trait is a characteristic feature which is present in an organism that is not often observed externally easily. Trait has a distinct variation from the phenotype of a living organism.
A genetically determined characteristic is known as a genetic trait. It is the characteristic which is inherited from the parent by the progeny during fertilization.
An international research effort called as the Human Genome Project, worked to determine the sequence of the human genome and it was successful in identifying the genes which it contains, and it was estimated that the humans have between 20,000 and 25,000 genes in their genome.
Humans share over 99.9 percent of their DNA sequence with one another, and leaving only about 0.1 percent of the genetic code to differ between each and every person. Genetic code is made up of base pairs, which can be thought as the rungs of the DNA ladder, these differ in different people.
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________ is a double helix with paired bases, Adenine and Thymine, and Guanine and Cytosine.
a.
tRNA
c.
rRNA
b.
mRNA
d.
DNA
3 characteristics used to classify trees?
hen you approach a tree with the intention of accurately identifying it, it is best to focus on the following set of characteristics:
RangeHabitatBarkLeavesTwigsFlowersFruits and SeedsHelen was reading about the variety of forms of aquatic organisms. She noted that plants that grow near the surface of the sea are very different from those below the surface. She concluded that the difference was because of the pressure of water on submerged plants. Which is a reasonable alternative to Helen's conclusion? A) The temperature increases with depth below the surface. B) Only very small plants can grow below the surface of water. C) Very few animals feed on plants deep below the surface of water. D) Plants below the surface receive less sunlight than those on the surface.
Answer:
D) Plants below the surface receive less sunlight than those on the surface.
Explanation:
Since the light cannot penetrate deep in sea, the plants present at the surface differ from those presence below the surface. The plants present below the surface carry different type of pigment that is able to trap the light available below the surface.
Example: Red algae are found in relatively deep water since it has pigment phycoerythrin that can trap the blue light available in deep sea.
Juan is studying fossils. His teacher wrote the following statements on the board and asked the students to put them in the correct order to describe how fossils are formed. 1. Minerals seep into the organism’s body and replace it with stone. 2. The organism completely decomposes, leaving behind an imprint. 3. An organism dies and its body is covered with a layer of sediment. 4. Time passes, and sediment layers continue to build up on the organism.Which is the correct order of events for fossil formation?
The correct order for the process of fossil formation is: the organism dies and is covered by sediment, more sediment layers build up, the organism decomposes leaving an imprint, and finally, minerals replace the body with stone.
Explanation:To put the statements on how fossils are formed in the correct order, we should follow the natural process of fossilization, which includes the death of an organism, the cover of sediment, and eventual mineralization. Here is the correct sequence:
An organism dies and its body is covered with a layer of sediment.Time passes, and sediment layers continue to build up on the organism.The organism completely decomposes, leaving behind an imprint.Minerals seep into the organism’s body and replace it with stone.This sequence reflects the typical stages through which organic material is preserved in the fossil record. The decomposition of soft tissues occurs first, followed by the accumulation of sedimentary layers. The imprint of the organism is left in the sediment, and minerals percolate through, effectively mineralizing the remains into rock, a process known as replacement. It's important to note that for a fossil to form, the remains must be buried quickly to be protected from the elements and biological activity that would otherwise cause them to disintegrate or decay.
The correct sequence for fossil formation is: the organism dies and is covered by sediment, more sediment layers build up, the organism completely decomposes leaving an imprint, and minerals replace the organism's remains with stone.
Explanation:Correct Order of Fossil FormationTo understand how fossils are formed, it's essential to place the events in the correct chronological order. Following is the accurate sequence that describes the process of fossilization:
An organism dies and its body is covered with a layer of sediment.Time passes, and sediment layers continue to build up on the organism.The organism completely decomposes, leaving behind an imprint.Minerals seep into the organism’s body and replace it with stone.This sequence begins with the death of an organism, the accumulation of sediment, the eventual decomposition leaving an imprint, and finally the process where minerals replace the original material of the organism, resulting in a fossil.
when different parts of an organism work together in unison, things can be accomplished that could not happen otherwise. explain this statement, using the interactions between different parts of the cell, tissues, and organs to support your answer.
Does Bread have cell organization
Identify the independent and dependent variable of the experiment growing corn
explain what would happen within lac operon in each of the following scenarios "low lactose" and "high lactose
Answer:
When the lactose in absent then under such a situation the Lac repressor protein bind to lac operator and prevents the transcription of lac Z, lacY and lac A gene by the RNA polymerase. When the lactose is present then the allolactose binds to lac repressor and prevent repressor binding and the lac operon is called inducible.
When the concentration of lactose is high then at that time the lac operon is turned on and CAP is bind and bacteria is able to use lactose. When the concentration of lactose is low inside the cell under such a situation the lac operon is shut off and bacteria are not able to use lactose