What do we call the first organism in any food chain to get energy directly from a producer?.
The primary consumer is the first organism in any food chain to get energy directly from a producer.
What are primary consumers?Primary consumers are the set of organisms that dey direct energy from the producers which are grass. They are called herbivores because they feed on plants. Examples of herbivores or primary consumer are sheep,goat, cattle and so on. They get their direct energy from plants.
Therefore, The primary consumer is the first organism in any food chain to get energy directly from a producer.
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Answer: It’s Producers, also known as autotrophs, make their own food. They make up the first level of every food chain. Autotrophs are usually plants or one-celled organisms.
Explanation:
In rock layers, jellyfish fossils are found lower than trilobite fossils, and trilobite fossils are found lower than ammonite fossils. what can be determined from this information? trilobites existed before jellyfish and ammonites. jellyfish existed before trilobites and ammonites. ammonites existed before trilobites and jellyfish. jellyfish, trilobites, and ammonites lived together.
Trilobites were exclusively marine animals. They were first appeared at the beginning of the Cambrian Period. In the context Jellyfish existed before trilobites and ammonites.
What is method to determine fossil age?To find the age of fossil, scientists use some type of clock to determine the date it was formed.
Geologists usually use radiometric dating procedures which is based on the natural radioactive decay of some elements such as potassium and carbon, as reliable clocks to date ancient events.
In the given context, jellyfish fossils are found lower than trilobite fossils, and trilobite fossils are found lower than ammonite fossils. Which determines that jellyfish existed before trilobites and ammonites.
Thus, the correct option is B.
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Answer:
B
Explanation:
Its the Answer
Which statement best describes why the author of "Water Efficiency Strategies" organized the text into two main sections? Question 2 options: To show readers that thinking about both the supply side and the demand side are important for water efficiency. To show readers that thinking about the supply side is more important than the demand side. To use one section to describe the cause and the second section to describe the effect. To follow the structure most informational texts use when organized into two main sections to show two sides of a topic.
Answer:
A
Explanation:
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When a farmer breeds only his or her best livestock, the process involved is:.
Answer:
Selective breeding
Explanation:
Are oomecytes harmful to humans?
Answer:
Human diseases caused by fungi include valley fever and several infections common to AIDS patients. In addition, in water environments, oomycetes cause destructive diseases in people and animals. For example, they attack the legs, eyes, and brains of rice farmers in Southeast Asia, and they destroy spawning salmon
Explanation:
In binomial nomenclature the first name is the _______ and the second is the ________.
Answer:
specific epithet.
Explanation: The binomial nomenclature system combines two names into one to give all species unique scientific names. The first part of a scientific name is called the genus. The second part of a species name is the specific epithet.
Answer:
In the binomial nomenclature the first name is called the genus and the second is called the specific epithet.
Explanation:
How does an increase in a deer population that feeds on plants affect the animals and plants in a certain environment
Make a table summarising the main components of tobacco smoke and their effects on the human body.
Answer: Some of the components in tobacco smoke include:
Nicotine (the addictive drug that produces the effects in the brain that people are looking for)
Hydrogen cyanide.
Formaldehyde.
Lead.
Arsenic.
Ammonia.
Radioactive elements, such as polonium-210
Benzene.
Explanation: Highly damaging components of tobacco smoke include:
tar – is the word for the solid particles suspended in tobacco smoke. The particles contain chemicals, including cancer-causing substances (carcinogens). Tar is sticky and brown, and stains teeth, fingernails and lung tissue
carbon monoxide – is a poisonous gas. It is odourless and colourless and, in large doses, quickly causes death because it takes the place of oxygen in the blood. In people who smoke, the carbon monoxide in their blood makes it harder for oxygen to get to their organs and muscles
oxidizing chemicals – are highly reactive chemicals that can damage the heart muscles and blood vessels of people who smoke. They react with cholesterol, leading to the build-up of fatty material on artery walls. Their actions lead to heart disease, stroke and blood vessel disease
metals – tobacco smoke contains several metals that cause cancer, including arsenic, beryllium, cadmium, chromium, cobalt, lead and nickel
radioactive compounds – tobacco smoke contains radioactive compounds that are known to be carcinogenic.
The effects of tobacco smoke on the body include:
raised blood pressure and heart rate
constriction (tightening) of blood vessels in the skin, resulting in a drop in skin temperature
less oxygen carried by the blood during exercise
‘stickier’ blood, which is more prone to clotting
damage to the lining of the arteries, which is thought to be a contributing factor to atherosclerosis (the build-up of fatty deposits on the artery walls)
reduced blood flow to extremities (fingers and toes)
increased risk of stroke and heart attack due to blockages of the blood supply.
Answer:
nicotine.
carbon monoxide.
tar.
toxic chemicals such as benzene, arsenic and formaldehyde.
Their actions lead to heart disease, stroke and blood vessel disease. tobacco smoke contains several metals that cause cancer.
Explanation:
Help me!!! 30 POINTS
Answer:
12.5 m/s
Explanation:
Total distance traveled = 500m
Time car was moving = 40s
Avg speed in m/s = 500/40 = 12.5 m/s
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What do geologists think happened during the last ice age? A. The Siberian land bridge was covered in water B. Glaciers retreated worldwide C. A mass extinction occurred D. Sea levels dropped 300 feet
Answer:
D
Explanation:
Just got it right on my quiz :)
Geologists believe that during the last ice age, glaciers advanced and retreated worldwide, resulting in changes in sea levels and climate. So, the correct option is B.
Who are Geologists?Geologists are scientists who study the Earth, its composition, structure, processes, and history.
During the last ice age, which lasted from about 115,000 to 11,700 years ago, Earth's climate was much colder than it is today. Geologists believe that a variety of factors contributed to the ice age, including changes in Earth's orbit, atmospheric composition, and plate tectonics.
One major feature of the last ice age was the formation of massive ice sheets and glaciers, which covered much of the Northern Hemisphere. These ice sheets were up to 3 miles thick and covered Canada, Greenland, and parts of the northern United States and Europe. As a result, sea levels dropped by as much as 300 feet, exposing land bridges between continents and allowing humans and animals to migrate across them.
Another feature of the last ice age was the occurrence of periodic "ice ages within an ice age" known as stadials. During these stadials, temperatures in some regions of the world dropped by as much as 20 degrees Celsius, leading to widespread glaciation, droughts, and other environmental changes.
Overall, the last ice age was a complex and multifaceted period in Earth's history, and scientists continue to study it to better understand the mechanisms that drive climate change on our planet.
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The erythrocyte (red blood cell) count increases after a while when an individual goes from a low to a high altitude because the ________.
The erythrocyte count increases after a while when an individual goes from a low to a high altitude because the concentration of oxygen is lower at high altitudes.
What are erythrocytes?The erythrocytes are specialized red blood cells required to transport oxygen to all cells in the body.
This oxygen is fundamental for carrying out the process of cellular respiration by means of cells and tissues.
The amount of red blood cells in the bloodstream is dependent on the altitude at which the person lives.
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sources of food stuff in animal nutrition
Answer: Animal source foods include many food items that come from an animal source such as fish, meat, milk, eggs, honey, cheese and yogurt.
Explanation:
True or false: The first division of the zygote (fertilized egg) in a flowering plant is asymmetrical.
The main function of which of these body systems is to create the movement a swimmer needs to swim across a swimming pool?.
Answer: Muscular System
Explanation:
The Muscular System creates the movement a swimmer needs to swim across a swimming pool.
What is the science dealing with the size, distribution, composition,and changes in population.
Answer:
Demography
Explanation: Demography is the study of human populations – their size, composition and distribution across space – and the process through which populations change. Births, deaths and migration are the 'big three' of demography, jointly producing population stability or change.
Which type or types of RNA contain a copy of the instructions that a gene carries
Which type of types of RNA contain a copy of the instructions that a gene carries
· 1. mRNA only
What structure is similar to the endoplasmic reticulum.
Answer:
The sarcoplasmic reticulum ( SR) is a membrane -bound structure found within muscle cells that is similar to the smooth endoplasmic reticulum in other cells. The main function of the SR is to store calcium ions (Ca 2+ ).
Explanation:
Of the 2. 5% fresh water found on earth, how much of it is frozen in polar ice?.
Which best describes the lower body structures of humans and chimpanzees?.
The statement that best describes the lower body structures of humans and chimpanzees is that the big toes of humans and chimpanzees are enlarged.
What is the lower body structure?The lower body structure is defined as the lower extremities of a vertebrae that is distal to the upper extremities.
The first toes of both human and chimpanzees are enlarged because they are mammals sharing a similar specie.
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Systemic gas exchange is the unloading of ____________ and loading of carbon dioxide.
Genome editing techniques have been developed to exploit the CRISPR system of bacteria and archaea. Only the _____ component of the system is used in editing.
Answer:
Cas9
Explanation:
Genome editing techniques have been developed to exploit the CRISPR system of bacteria and archaea. Only the Cas9 component of the system is used in editing.
What makes fingerprints individual? How do scientists match a fingerprint to a specific person?
Answer:
ridge characteristics, which are ridge endings, enclosures and other details. Identical fingerprints not only show the same ridge characteristics, but they show them in the same location on the finger.
Explanation:
What stage of meiosis is the picture attached showing? How do you know?
Answer:
Metaphase
Explanation:
spindle fibers attach to the chromosomes which line up along the the cell's mid planechromosomes align at the equatorWhich diploid cells are produced by an embryonic germ cell?.
conclusion for air pollution
Why did Charles Darwin predict that tetrapods evolved from fish?
Answer:
fish and tetrapods are both vertebrates that have a backbone with a spinal cord. fish lived before tetrapods because their fossils are in rocks over 500 million years old.
Explanation:
fish and tetrapods are both vertebrates that have a backbone with a spinal cord
What is the difference between plants breathing and photosynthesis?
The principal difference, however, between photosynthesis and respiration (plants breathing is called respiration) is that photosynthesis utilizes carbon dioxide and water in the presence of light to produce glucose and oxygen, whereas respiration uses oxygen and glucose to power the activities of the cell.
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What is the gravitational constant on earth?
______________ m/s²
Answer:
9.807 m/s²
Explanation:
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Answer:
9.807 m/s²
Explanation:
Extinctions that occur at a moderate rate and continuously open a limited number of opportunities for the origin of new species and new niches are known as __________ extinctions
Extinctions that occur at a moderate rate and open a limited number of opportunities for the origin of new species are known as background extinctions.
What are background extinctions?Extinction is the physical disappearance of one given species and/or population in an ecosystem.
The term 'background extinctions' makes reference to the extinction that does not generate new niches in an ecosystem.
Background extinctions are well known because they do not contribute to the emergence of biodiversity.
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Generally, the changes normally associated with menopause occur because the cells in the reproductive tract are:
Answer:
The uterus no longer produces eggs [ova] which results in infertility and since the eggs are no longer produced there will no monthly blood flow [menstruation]