Answers
Answer: yes I do believe the break up of peagaea had to do with the mass extinctions of some dinosaurs in such as the environment had changed for some and they weren’t able to cope it, it can also be the lack of food sources and predators. However with the Pangea there were new species of dinosaurs that had evolved which gave them a better survival then the first generations of dinosaurs when peangea was just started to appear
Explanation:
Answer: It seems clear that the breakup of Pangaea, which started during the Jurassic Period (about 175 million years ago) had an impact on dinosaurs. ... The breakup caused there to be more kinds of habitats for dinosaurs to live in. There was now much more coastline, more rift valleys, and less desert.
Facts about dinosaur’s: Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago, although the exact origin and timing of the evolution of dinosaurs is the subject of active research.
Related Questions
What are some components that makeup lipid envelopes on viruses?
Answers
Answer:
Some of the components that make up lipid envelopes on viruses include:
Phospholipids: The main component of the lipid bilayer in the viral envelope is phospholipids, which are made up of a hydrophilic (water-loving) head and a hydrophobic (water-fearing) tail.Proteins: Viral envelope proteins are embedded in the lipid bilayer and help the virus to interact with host cells, infect them, and evade the immune system.Glycoproteins: Some viruses have glycoproteins on their envelope allowing them to bind to specific receptors on host cells and initiate infection.Cholesterol: Some viruses incorporate cholesterol into their envelope to help stabilize the lipid bilayer.Lipid rafts: These are specialized regions within the lipid bilayer containing high concentrations of cholesterol and glycolipids. Lipid rafts facilitate viral entry into host cells by concentrating viral envelope proteins in a specific region.Other lipids: Viral envelopes may also contain other lipids, such as sphingolipids and gangliosides, which influence the interaction between the virus and host cells.The composition of viral envelopes can vary depending on the type of virus. These components determine the virus ability to infect host cells, evade the immune system, and replicate within the host.
Explanation:
The peptidoglycan cell wall and the one or two membranes present also impart a three-dimensional shape to the bacterial cell. The overall shape and arrangement of bacteria are genetically determined, so that each genus of bacteria has a characteristic shape (round, rod, spiral, etc.) and arrangements of the growing cell population (individual cells, chains of cells, or clustered cells).Bin 1 - Image of a single round bacterium.Bin 2 - Image of a single rod-shaped bacterium.Bin 3 - Image of a cluster of round bacteria.Bin 4 - Image of a string of rod-shaped bacteria.Bin 5 - Image of a comma-shaped bacterium.Bin 6 - Image of a corkscrew-shaped bacterium.Drag the descriptive terms to the pictured bacterial shapes.
Answers
Answer:
The following images of different types of bacteria are attached here-
1- Single round bacterium- Cocci
2- Single rod-shaped bacterium- Bacilli
3- Cluster of round bacteria - Staphylococci
4- String of rod-shaped bacteria- Streptobacillus
5- Comma-shaped bacterium- Vibrio
6- Corkscrew-shaped bacterium- Spirillium
Explanation:
1- Single round bacterium- Cocci -Any bacterium or archaeon that has a circular, ovoid, or usually round shape is a coccus (plural cocci). Cocci may develop in pairs, chains, or clusters during cell division, depending on their orientation and attachment. Many cocci bacteria do not have flagella and are non-motile, in contrast to many bacilli-shaped bacteria.
2- Single rod-shaped bacterium- Bacilli -A rod-shape bacterium or archaeon is a bacillus (plural bacilli), or bacilliform bacterium. In several different taxonomic classes, bacilli are found. Bacilli typically divide and are solitary in the same plane, but can combine to form diplobacilli, streptobacilli, and palisades.[2]
Diplobacilli: Two bacilli with each other arranged side by side.
Streptobacilli: Arranged bacilli in chains.
Coccobacillus: Coccus-like and oval (circular-shaped bacterium).
3- Cluster of round bacteria - Staphylococci - In the family Staphylococcaceae from the order Bacillales, Staphylococcus is a genus of Gram-positive bacteria. They appear spherical (cocci) under the microscope, and form into grape-like clusters. The species Staphylococcus are facultative anaerobic organisms (both aerobically and anaerobically capable of growth)
4- String of rod-shaped bacteria- Streptobacillus -Streptobacillus is a genus of fastidious gram-negative microaerophilic bacteria, an uncommon disease that develops in culture as rods in chains.t and can be caused by two forms of bacteria, Spirillum minus and Streptobacillus moniliformis.
5- Comma-shaped bacterium- Vibrio -Vibrio is a genus of Gram-negative bacteria with a curved-rod (comma) shape, which can cause foodborne infection in several animals, typically associated with consuming undercooked seafood. Vibrio species, usually found in salt water, are optional anaerobes that test positive for oxidase and do not form spores.
6- Corkscrew-shaped bacterium- Spirillium -Spirillum, a genus of spiral-shaped bacteria of the Spirillaceae family, aquatic with the exception of one species (S. minus) causing a form of human rat-bite fever. For any of the corkscrew-like animals, the name spirillum is used commonly.
Microbiologically, Spirillum is characterized as a gram-negative, motile helical cell with whiplike flagella tufts at each end.
hence, the images of the different bacteria are attached below-:
When ACE-Inhibitors or ARBs are administered the amount of ________ lowers in the body and the amount of ________ increases in the body. (hint: two words use a single space between each word all lowercase)
Answers
When ACE-Inhibitors or ARBs are administered the amount of blood pressure lowers in the body and the amount of creatinine levels increases in the body.
What are ACE-Inhibitors?Angiotensin-converting enzyme (ACE) inhibitors are the type of medications that help in relaxing the veins and arteries in order to lower blood pressure. ACE-Inhibitors is used by high blood pressure patients in order to decrease the blood pressure of the body.
So we can conclude that When ACE-Inhibitors or ARBs are administered the amount of blood pressure lowers in the body and the amount of creatinine levels increases in the body.
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Which of the following areas of study would be in the branch of earth science
• habitats or behaviors
• rocks or minerals
• heat or motion
• bacteria or cells
Answers
Answer: rocks or minerals
Rock or minerals are in the branch of earth science. It deals with natural chemicals and materials on the earth, and rocks and minerals fit into the category as geology is one of the main areas of earth science.
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Select the photosynthetic molecule that gives halobacteria its unique color.
a.) Caratenoids
b.)Thylakoids
c.)Bacteriochlorophylls
d.)Bacteriorhodopsin
Answers
Answer:
Bacteriorhodopsin
Explanation:
Purple Halobacterium species owe their color to bacteriorhodopsin, a light-sensitive protein.
What is a example of structural diversity
Answers
Answer:
Structural diversity refers to the variety of physical structures or habitat types within an ecosystem. It can be observed in a variety of natural settings, such as forests, grasslands, or coral reefs.
An example of structural diversity in a forest ecosystem would be the presence of different tree species with varying heights, crown shapes, and ages. This creates a diverse vertical structure, with some trees reaching high into the canopy layer while others grow lower in the understory. The presence of snags (dead trees), downed logs, and fallen branches on the forest floor also contributes to structural diversity, providing habitat for a variety of wildlife species such as insects, fungi, and small mammals. These different structural components support a range of ecological processes, such as nutrient cycling, decomposition, and predator-prey relationships, which contribute to the overall health and resilience of the forest ecosystem.
Hope it helps! : )Which two cell structures are found in eukaryotic cells but not in prokaryotic cells?
Answers
Answer: Endoplasmic reticulum, microtubules, and the Golgi apparatus
Explanation:
Look at a diagram of these two different cells
Brainliest for the correct answer who put in the answer first. please help me.
A biologist is writing a report about a group of rattlesnakes that all live in the state of Florida. All rattlesnakes in this group can breed with one another and produce offspring that can reproduce together. The report includes statistics about the number of these rattlesnakes, their breeding rate, and the ranges of their sizes and other traits. In this report, the biologist is describing
a community in Florida.
a biome in Florida.
a population in Florida.
an organism in Florida.
Answers
Answer:
a population in Florida.
Explanation:
In the report, the biologist is describing a population in Florida. A population is a group of organisms of the same species that live in a particular area and can interbreed with one another. In this case, the rattlesnakes are a population of the same species that live in Florida and can reproduce together. The report includes statistics about the population's size, breeding rate, and characteristics, which are all typical of a population analysis. A community refers to all the different populations of species that coexist in a particular area, while a biome refers to a large geographic area with similar climate and vegetation. An organism refers to an individual living thing.
HURRY HELP ME WILL MARK BRAINLIEST
Answers
Answer:
This appears to be a prokaryote.
Explanation:
There is no nucleus, so this has to be a prokaryotic cell.
What are the reactants for photosynthesis?
Answers
Answer:
well the chloroplasts are the part of the cell that make photosynthesis happen
Answer:
light energy, water, carbon dioxide, and chlorophyll.
Explanation:
Is your prediction supported by the membrane potential chart? Explain your answer.
Answers
Answer:
Yes, it is. The chart shows that the initial charge of the neuron is negative. When the neuron is stimulated, sodium ions enter the cell. So, the voltage inside the cell changes to positive. When potassium ions move outward, the voltage decreases until it reaches its previous state.
Explanation:
Plato answer
5. Which of the following is a density-dependent limitation on population growth? (2 points)
severe drought
competition
O wildfire
O unlimited resources
Submit answer Skip for now
End quiz
Answers
Answer:
competition
Explanation:
wildfire and drought aren't dependent on the population density. unlimited resources would mean there's no end to the resources. competition increases the more dense the population is
Choose ONE human related cause of deforestation Most importantly, **explain how it leads to deforestation**
Answers
One direct cause of agriculture expansion is deforestation. This is because some 80% of global deforestation is a result of agricultural production, which is also the leading cause of habitat destruction. Increasingly, the world's agriculture system is expanding its terrestrial footprint to produce livestock feed that meets the growing demand for meat and dairy products or crop-based biofuels.
Agriculture is the largest single cause of deforestation and severe forest degradation. Except in Africa, large-scale livestock ranching and plantation agriculture are generally overtaking small-scale farming as primary causes of conversion.
Answer: Humans needing to eat
Explanation: Farming requires tons of space which is normally covered in trees. People will burn hundreds of acres of trees to clear the land so they can grow some crops or animals.
Palisade mesophyll cells have very large vacuoles.
Explain how water moves from the xylem in the leaf into these vacuoles.
Answers
Answer:
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1-Water is passively transported into the roots and then into the xylem. 2-The forces of cohesion and adhesion cause the water molecules to form a column in the xylem. 3- Water moves from the xylem into the mesophyll cells, evaporates from their surfaces and leaves the plant by diffusion through the stomata.
11. The synthesis of large proteins from amino acid building blocks is an example of a(n)a. metabolic failureb. catabolic pathwayc. anabolic pathwayd. source of ATP
Answers
Protein synthesis from amino acids is part of the essential metabolism of the cell, as proteins are how the genetic information is expressed, and they perform several functions within the cell.
This process is an example of anabolism, a process where large molecules are formed from smaller ones. This kind of process requires energy, which is provided by ATP.
All of this means that c) anabolic pathway would be the right answer.
A muscle that assists the muscle that is primarily responsible for a given action is a(n):__________
a. synergist
b. originator
c. agonist
d. levator
e. antagonist
Answers
Answer:
A.
Explanation:
Synergist muscles are those muscles in body that helps or are responsible to help the same set of joint in action. They tend to serve as agonist. This muscles helps to act or produce action around a moveable joint.
An example of synergist muscle is biceps brachii that helps to perform actions in forearm flexion. a synergist can also serve as a fixator at the muscles origin.
Therefore, the correctanswer is option A.
The map here shows the average amount of water vapor in a column of
atmosphere during one month in 2015.
2
5
cm
5
Based on the data in the map, where would you expect vegetation on Earth to
be most dense?
OA. At the equator
OB. At higher altitudes
OC. At lower longitudes
OD. At the poles
Answers
Vegetation on Earth would be expected A. At the equator form the average amount of water vapor in a column of atmosphere.
What happens at the equator?The map shows that the average amount of water vapor in a column of atmosphere is highest at the equator. This is because the equator receives the most direct sunlight, which heats the air and causes it to rise. As the air rises, it cools and condenses, forming clouds and rain. This provides the water that plants need to grow.
At higher altitudes, the air is colder and drier, which is not ideal for plant growth. At lower longitudes, the sun's rays are less direct, which also reduces the amount of water vapor in the air. At the poles, the climate is too cold and dry for most plants to survive.
Therefore, based on the data in the map, would expect vegetation on Earth to be most dense at the equator.
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What is genotype for a recessive trait found on the female chromosome
Answers
Answer:
The genotype for a recessive trait found on the female is XH.
Explanation:
How does pollution affect the organisms in an area?
a
The number of predators will increase.
b
They may struggle to survive.
c
They will compete and fight to survive.
d
They will have a longer life cycle.
Answers
Answer:
B:They may struggle to survive
Answer:
B: They may struggle to survive.
Explanation:
Pollution may muddy landscapes, poison soils, and waterways, or kill plants and animals. Long-term exposure to air pollution, for example, can lead to chronic respiratory disease, lung cancer, and other diseases. Toxic chemicals that accumulate in top predators can make some species unsafe to eat.
Understanding the effects of alcohol will help me
Answers
The effects of alcohol are high blood pressure, heart disease, stroke, liver disease, and digestive problems.
What are the 5 effects of alcohol on the body?
High blood pressure, heart disease, stroke, liver disease, and digestive problems are the effects of alcohol. Cancer of the breast, mouth, throat, esophagus, voice box, liver, colon, and rectum also occur due to more consumption of alcohol. Weakening of the immune system, increasing the chances of getting sick, Learning and memory problems, dementia and poor school performance also the cause of alcohol.
So we can conclude that the effects of alcohol are high blood pressure, heart disease, stroke, liver disease, and digestive problems.
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Predict the effect that a mutation would have on energy production and homeostasis if it prevented phosphate molecules from bonding with each other. Justify your answer. *
Answers
Answer:
There would be no storage or release of energy for metabolic activities.
Explanation:
Mutation is a change in the nucleotide sequence of a gene. Mutation disrupts the production of useful products such as proteins, which the genes code for. In this case, mutation prevents phosphate molecules from bonding with each other.
ATP is the energy carrier in living cells. It stores and releases energy for various metabolic activities within an organism including homeostasis (maintaining a stable internal environment). The energy in the ATP molecule is stored in the phosphate bonds contained in its structure while the energy is released when the last phosphate bond is broken.
Therefore, if a mutation prevents phosphate bonds from forming, energy will be unable to be stored, likewise the release of energy for cellular activities.
What are two uses of carbohydrates in living things
Answers
Answer:
Hello....
Explanation:
There are five primary functions of carbohydrates in the human body. They are energy production, energy storage, building macromolecules, sparing protein, and assisting in lipid metabolism.
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The same agriculture practices are used in every country around the world
Answers
The statement is not accurate. Agriculture practices can vary significantly from country to country due to various factors such as climate, geography, cultural traditions, available resources, and technological advancements.
Different regions have different agricultural practices and techniques based on their specific needs and conditions. For example, countries with arid climates may employ irrigation systems and drought-resistant crops, while those with abundant rainfall may focus on different cultivation methods. Additionally, cultural and traditional practices can influence agricultural techniques, as certain communities may have specific approaches to farming based on their heritage and local customs.
Moreover, advancements in technology and scientific research have led to the development of new agricultural practices, such as precision farming, vertical farming, and hydroponics. These practices aim to increase efficiency, productivity, and sustainability in agriculture, and they may be adopted to varying degrees in different countries based on factors like infrastructure, investment, and government policies.
In summary, agriculture practices are not the same in every country around the world. They vary depending on factors such as climate, geography, cultural traditions, available resources, and technological advancements. The diversity of agriculture practices reflects the adaptability and customization required to meet the specific needs of different regions and communities.
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what makes you believe that the vegetation has been grown by farmers and has not grown naturally by itself over time
Answers
Organized patterns, irrigation systems, specific crop varieties, and agricultural practices indicate human intervention in vegetation growth, suggesting farming activity.
Determining whether vegetation has been grown by farmers or has grown naturally over time can be assessed by considering various factors. Firstly, the presence of organized patterns or rows of crops suggests intentional cultivation by farmers. The use of irrigation systems, terraces, or other agricultural infrastructure further supports human intervention. Additionally, the selection of specific crop varieties or the presence of non-native plant species may indicate deliberate cultivation. Observation of crop rotation, weeding, and fertilization practices can also provide evidence of human involvement. Historical records or local knowledge of agricultural practices in the area can provide further context. Conversely, natural vegetation tends to exhibit a more random distribution and includes a diverse range of native plant species. Considering these factors collectively can help differentiate between vegetation that has been grown by farmers and vegetation that has naturally grown over time.For more such questions on Vegetation:
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why George Emil Palade
describe as father of cell biology?
Answers
George Emil Palade was a cell biologist who applied electron microscopy to the study of the cell where he observed the ribosomes, where protein synthesis is carried out.
Who was George Emil Palade?He was a Romanian-born, American-naturalized cell biologist who used the electron microscope to study the cell, his contributions include:
Studies on mitochondria, the Golgi apparatus, and other cellular organelles, and on microsomes made up of nucleic acids.The discovery of ribosomes, this being the macromolecules responsible for the synthesis or translation of proteins.Studies on histological structures such as the basement membrane or adhesion complexes in epithelia.Therefore, we can conclude that George E. Palade was especially relevant to cell biology as he applied electron microscopy to the study of the cell where he observed ribosomes and various cell organelles.
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In a single sentence, what is Natural Selection?
Answers
Answer:
Natural selection is the process through which populations of living organisms adapt and change based on what adaptations help them the most.
A seismograph station recorded the arrival of the first
P-wave at 7:32 p.m. from an earthquake that occurred
4000 kilometers away. What time was it at the station
when the earthquake occurred?
Answers
Answer:
7:25 pm
Explanation:
The time for P-waves to travel 4000 kilometers is 7 minutes.At 7:32 P.M the P-waves from an earthquake,which is 4000 kilometers away,we're recorded at a seismograph station.This indicates that the time when the earthquake occurred at the epicenter is at 7:25 P.M,which is 7 minutes before the first P-waves were recorded.
A decomposer is an organism that gets its energy from ____________.
Group of answer choices
the food it produces during photosynthesis
the prey it hunts and kills
from other living organisms
dead plant and animals
Answers
When body temp increases it causes
metabolic reactions to increase, which
releases heat that further increases body
temp. This is an example of
a. Homeostasis
b. Positive feedback
c. Negative feedback
d. All of the above
Answers
When body temp increases it causes metabolic reactions to increase, which releases heat that further increases body temp. This is an example of positive feedback.
Positive feedback is a process in which a change in a system leads to an amplified or increased response in the same direction as the initial change, rather than stabilizing the system as negative feedback does. In positive feedback, the output enhances or reinforces the original stimulus, leading to a cascading effect of the process, which can be beneficial or detrimental to the system depending on the context.
Positive feedback loops can be found in various biological processes, such as blood clotting, childbirth, and action potentials in neurons, and can also be observed in non-biological systems, such as climate change and population growth.
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Bats are natural reservoirs for Nipah virus and do not die from the infection. Knowing this information, would it be more valuable to report data for the incidence or prevalence of Nipah virus in bats (assuming that you also report the total number of bats in the population)?
Answers
Answer:
Prevalence would be more valuable
Explanation:
Prevalence is a measure of the frequency of individuals in a population affected by a condition during a particular period of time, while incidence is a measure that indicates the number of new individuals in a population who develop a condition during a particular period of time. Prevalence is different from incidence because prevalence includes all cases of a specified condition (i.e., new and preexisting cases). In consequence, in this case, prevalence is more valuable since it can be used to estimate the total number of infected bats. Conversely, incidence only is informative to determine the number of newly infected bats during a particular period of time, which may not be very informative because all infected bats (i.e., not only newly infected bats) can transmit the Nipah virus infection to humans.