Does anyone know the answer to this ? What happens if you poke a hole in the plastic bottle of a balloon lung model?
Why would a diverse community be more resistant to disease, predation, and invasion
Humans and other heterotrophs get their energy from eating food. What process in human body cells transfers the energy stored in a grilled cheese sandwich to ATP? What chemical equation summarizes this process?
A flood that covers the meadow and drowns animals and a late Frost that kills young plants are examples of how blank can affect the size of population
How is it that water manages to travel up roots and into plants if gravity and air pressure are pulling and pushing down on the molecules? Which two properties of water allow this to happen? Explain your answer.
HELP ASAP WILL MARK BRAINLIEST
Which level of organization is made of different types of tissue working together to perform a specific job for your body
Which kind of organism is a heterotroph?
Answer:
Heterotrophs are defined as those organisms that cannot prepare their own food. It is because they cannot carry out the process of photosynthesis. They are depended either directly or indirectly on the producers (autotrophs) as they obtain their food and energy from the autotrophs, in order to survive.
In term of the food chain, the heterotrophs are usually considered as the secondary as well as the tertiary consumers. The heterotrophs include the Herbivores (such as sheep, horse), carnivores (such as lion and tiger) and the omnivores (humans and microbes).
what is the main idea of Darwin's theory of evolution by natural selection?
Darwin's theory of evolution by natural selection suggests that inherited characteristics vary among offspring and those allowing the best competition for resources lead to survival, reproduction, and passing of those traits onto the next generation. Over time, this results in population evolution and increased adaptation to the environment, a process known as 'descent with modification'.
Explanation:The main idea of Darwin's theory of evolution by natural selection involves three principles. First, most characteristics of organisms are inherited from parents to offspring. Second, more offspring are produced than can survive due to limited resources, leading to competition. Third, offspring differ from each other in their inherited characteristics.
Darwin reasoned that offspring inheriting characteristics allowing them to best compete for limited resources will survive, reproducing more than less competitive individuals. Over time, due to these inherited traits being passed onto successive generations with increasing frequency, populations evolve in a process Darwin termed 'descent with modification'. So, the population becomes more adapted to its environment.
Learn more about Darwin's theory of evolution by natural selection here:https://brainly.com/question/10644046
#SPJ12
Which statement describes a compound machine?
A.
It has movement in only one direction.
B.
It can only be acted on by one force.
C.
It is made up of more than one simple machine.
D.
It makes work more difficult.
Answer: C
Explanation: I took the test, it was correct!
PLEASE HELP ONLY 2 I CANT GET
1. The graph below shows the change in average beak size of a given bird population. Records indicate that a drought occurred in 1977. Which of the following is the most probable explanation for the observations?
1st Picture
A. A larger beak made it easier to compete for the limited food remaining. In response, the birds grew larger beaks.
B. The seeds available after the drought were large and tough. Working hard to crack those seeds helped the birds grow larger beaks over time.
C. There were only soft seeds available after the drought. More birds chose to develop larger beaks in order to collect and eat the seeds.
D. After the drought, only large seeds were available to eat. Birds with large beaks were better able to crack and eat these seeds.
2. The wing color of a certain species of moth is controlled by alleles at a single locus. Gray (G) is dominant to white (g). A scientist studied a large population of these moths, tracking the frequency of the G allele over time, as shown in the figure below.
2nd Picture
Assuming that the population was in Hardy-Weinberg equilibrium for this gene, what percentage of the moth population was homozygous recessive (gg) in 1975? (2 points)
A. 25%
B. 36%
C. 64%
D. 75%
From the graph, the possible explanation is that B. The seeds available after the drought were large and tough.
Graph.The information in the graph showed that the beak depth increased after the drought.
In this case, the seeds available after the drought were large and tough and working hard to crack those seeds helped the birds grow larger beaks over time.
Also, the percentage of the moth population was recessive (gg) in 1975 is 25%.
Learn more about droughts on:
https://brainly.com/question/12686086
The increase in bird beak size post-drought is most likely due to natural selection favoring the ability to eat larger seeds. The proportion of moths that are homozygous recessive in 1975 can't be determined without frequency information of the G allele.
Explanation:For the first question, the most probable explanation for the increase in beak size after the drought would be D. After the drought, only large seeds were available to eat. Birds with large beaks were better able to crack and eat these seeds. This scenario describes a classic example of natural selection, where a change in the environment creates a selective pressure that gives an advantage to individuals with certain traits, in this case, larger beaks.
As for the second question, if you're looking for the percentage of the moth population that was homozygous recessive (gg) in 1975, this under the Hardy-Weinberg principle can be calculated using the equation p²+2pq+q²=1, where q² represents the homozygous recessive. Without any given information on the frequency of the G allele, I am unable to accurately generate the percentage.
Learn more about Natural Selection and Genetics here:https://brainly.com/question/6945924
#SPJ3
Which type of protein, embedded in the plasma membrane, aids reactions of molecules that arrive?
channel
carrier
enzymes
peripheral
The ___ is to sensory input as a major city is to a country's airplanes, through which all air traffic passes an route to the various destinations. Amygdala, cortex, thalamus, reticular formation
Long ago, scientists did not know that cells existed because
A) they did not have microscopes.
B) they were too busy studying plants.
C) they were not allowed to do research on animals.
Give an example of ionic bonds and covalent bonds occuring in nature.
all organism have a genetic code carried in molecule called
When a star's nuclear energy runs out, it dies. A star can die in many ways. A _____ is one way a star might die, and it can trigger the beginning of a new star's life cycle.
What are the general mathematical operations you use when converting from SI unit to another
What is algin? is it Diatomaceous earth used as an insulating material,
Brown algae,
A substance produced by brown algae used to thicken foods.
Diatom shells
Answer:
An algin is a substance produced by brown algae used to thicken foods.
Explanation:
Alginic acid is an organic chemical compound found in brown algae. Alginate forms highly viscous solutions in water. An alginate molecule is a copolymer made up of the two sugar units of guluronic acid and mannuronic acid. The ratio of the two sugars to the length of the molecule varies.
Alginate is used in the food industry as a solidifying agent and can in many cases replace gelatin. Therefore, since it is a plant product, it is used in a vegetarian diet.
A machine will always increase the force required to complete a task.
true or false
Feeling the heat when touching a hot piece of metal is an example of
conduction
convection
radiation
solar
The answer is conduction
what are two ways nitrogen can get into the ground?
which organisms can cause contagious diseases
Answer: It is microorganisms I just took the test.
Explanation:
Lillian wonders how fast a train can move around a particular curve before it falls off of the track. Which of the following is the best way for Lillian to figure this out?
A.Drive a train along a curve at different speeds until it falls off of the track.
B.Build a model train and track, and test one train going around one curve at different speeds.
C.Build a model train and track, and test one train going around several different curves at one speed.
D.Build a model train and track, and test different-sized trains going around one curve at the same speed.
Answer:
B.Build a model train and track, and test one train going around one curve at different speeds.
Explanation:
If Lillian wants to know how fast a train can move around a specific curve before it falls off the track, she must build a model of train and track and through that model she will test a train traveling through a curve at different speeds. That way she can analyze in detail the phenomenon she wants to observe and get answers.
She should never drive a train along a curve at different speeds until it falls off the track, because that would be very dangerous and irresponsible. For this reason, models are great for people to be able to analyze phenomena and situations that would not be right to analyze in real life.
Which location would be relatively warmer during winters, and why?
An inland location, because land cools down slower than water
A coastal location, because water cools down slower than land
An inland location, because land has higher specific heat than water
A coastal location, because land has higher specific heat than water
Answer:
A coastal location, because water cools down slower than land
Explanation:
The water and the earth have specific heat different from each other.
The water heats up more slowly than the earth, but it also cools more slowly than the earth. For this reason, when we go to the beach we realize that the sand is hot, while the water is cold it causes the air currents to blow from the sea to the beach, because the air above the sand is hotter than the air it is. above the water, and the hot air goes on and the cold goes down. During the night, this is reversed, as the water is still hot, and it gets hotter than the sand, which cools faster, reversing the breezes.
In summary, because the water's cooling speed is slower than that of the land, we can say that a coastal location would be a relatively hot spot during the winter, because the land has a higher specific heat than water
Students planted three bean seeds after several days, they observed that the seeds' roots were growing downward into the soil which type of tropism were the roots displaying
A. Geotropism
B. Thigmotropism
C. Phototropism
D. Photoperiodism
describe the milankovitch cycle.
The Milankovitch Cycle refers to cyclic changes in Earth's orbit, including eccentricity, obliquity, and precession, which influence the climate by altering the amount and distribution of solar radiation received by Earth.
Explanation:The Milankovitch Cycle, as established by Serbian astronomer Milutin Milankovich, is a theory that describes the cyclic changes in Earth's orbit and its impact on climate. This cycle involves three main components: eccentricity, obliquity, and precession.
Eccentricity refers to the variation of Earth's orbit from more circular to more elliptical, following a cycle of about 100,000 years. This change influences the proximity of the Earth to the Sun, thereby altering the amount of solar radiation the Earth receives.
The next component, obliquity, refers to the changes in the inclination of the Earth's axis. This change can result in varying degrees of solar radiation being received by different areas of the Earth, contributing to climate changes.
Finally, precession is the Earth's slow wobble as it spins on the axis which may result in more extreme climates and ice ages. This effect can sway the balance of climate, instigating dramatic shifts such as the ice ages.
Learn more about Milankovitch Cycle here:https://brainly.com/question/30928549
#SPJ12
Which of the following is a true statement about remote sensing?
How do temperature differences in the protoplanetary disk explain the arrangement of the planets in the solar system?
in your own words explain John Locke's theory of natural law
Final answer:
John Locke's theory of natural law posits that individuals are born with inalienable rights, such as life, liberty, and property, grounded in a moral order rationality can determine. Contrary to Hobbes' view of an absolute sovereign, Locke believed in more egalitarian natural state conditions that lead to a social contract aimed at preserving these rights. Locke's philosophy significantly influenced democratic governance and individual liberties.
Explanation:
John Locke's Theory of Natural Law
John Locke, an influential English philosopher, articulated a distinct perspective on natural law and the state of nature. He posited that individuals are born with certain inalienable rights, including the rights to life, liberty, and property. Locke believed that these rights are grounded in natural law, which is the moral order discoverable by reason. He saw humans as generally peaceful in the state of nature, capable of realizing and upholding this moral order through rationality.
Locke's perspective diverges from that of Thomas Hobbes, who saw life in the state of nature as 'nasty, brutish, and short,' requiring an absolute sovereign to maintain order. In contrast, Locke envisioned a more cooperative state of nature where people live in a state of equality and with reciprocal power. When forming a government through a social contract, they do so with the intent of preserving these natural rights. Governments that fail to protect these rights are considered illegitimate, and the people have the right to revolt and establish a new, just government based on the principles of natural law.
Locke's ideas on natural rights and government by consent deeply influenced the formation of modern democratic states, including the early government of the United States, promoting the ideals of individual liberty and the rule of law.
Which organelle prepares proteins into vesicles to transport from one area to another?
A. Golgi apparatus
B. chloroplasts
C. mitochondrion
D. rough endoplasmic reticulum