Answer:
The properties of soil are dependent only on nonliving components.
Explanation:
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Which is a future NASA research project?
using a probe to collect data
conducting research from a space station
collecting samples on an asteroid
conducting a space mission with no people
Answer:
A. Using a probe to collect data
Explanation:
I think Hope it helps
Answer:
collecting samples on an asteroid
Explanation:
collecting samples on an asteroid
Just took the test and Got it right!
Which best summarizes the concept of natural selection?
Answer:
The fittest organism survive and produce.
1) Indicar a qué nivel de organización de la materia corresponden las siguientes palabras (Ayuda: hay uno para cada uno, no se repiten) a- HIDRÓGENO b- JAURÍA c- EUCARIOTA d- SER HUMANO e- PROTÓN f- RESPIRATORIO g- SERES BIÓTICOS+ ABIÓTICOS Y SUS INTERRELACIONES h- MITOCONDRIA i- PULMÓN j- SER HUMANO +BANDADA+ PASTIZAL+ CARDUMEN k- EPITELIO l- H2O (agua) m- ESFERA DE VIDA
Respuesta y explicación:
e- PROTÓN - nivel subatómico, integrado por las partículas que componen los átomos: protones, neutrones y electrones.
a- HIDRÓGENO - nivel atómico, compuesto por átomos, que son partículas que interactúan con otras mediante reacciones químicas. Ejemplo: hidrógeno, oxígeno, carbono.
l- H2O (agua) - nivel molecular. El agua es una molécula que se forma gracias a la interacción entre dos átomos de Hidrógeno y uno de Oxígeno. Otros ejemplos de moléculas son: cloruro de sodio (NaCl) o el dióxido de carbono (CO2).
h- MITOCONDRIA - nivel de organelas celulares, compuesto por distintos orgánulos que se encuentran dentro de las células y llevan a cabo diferentes tareas, todas importantes para el correcto funcionamiento celular. Otros ejemplos de organelas son: retículo endoplasmático y lisosomas.
c- EUCARIOTA - nivel celular. Tanto las células eucariotas, que poseen núcleo y sistema de endomembranas, como las procariotas, que carecen de éstos recién mencionados, son los dos tipos de células presentes en los organismos vivos.
Los siguientes tres niveles sólo corresponden a organismos pluricelulares.
k- EPITELIO - nivel de tejidos. Los tejidos están compuestos por distintos tipos de células que trabajan juntas para llevar a cambio una función en específico, sea protección, transporte o contracción. Otros ejemplos de tejidos son el nervioso y el muscular.
i- PULMÓN - nivel de órganos. Los órganos están formados por distintos tejidos que convierten a estas estructuras en unidades funcionales de gran importancia para los seres vivos superiores. Otros ejemplos son: ojo y vejiga.
f- RESPIRATORIO - nivel de sistema de órganos. Los sistemas de órganos están integrados por diferentes órganos. Ejemplos de sistemas de órganos son: sistema digestivo y sistema reproductor.
d- SER HUMANO - nivel de organismo. Compuesto por todas las células, tejidos, órganos y sistemas que posea, en caso de ser pluricelular, o por la única célula que posean en caso de ser unicelulares. Otros ejemplos son: helicobacter pylori (bacteria), gallina, algas.
b- JAURÍA - nivel de población, se refiere a un conjunto de individuos de la misma especie, como podrían ser humanos, perros (jauría), o peces (cardumen).
j- SER HUMANO + BANDADA + PASTIZAL + CARDUMEN - nivel de comunidad o biocenosis. Este nivel está integrado por las distintas poblaciones que comparten un mismo entorno. Una comunidad de animales se la conoce como zoocenosis, mientras que una de vegetales se llamará fitocenosis.
g- SERES BIÓTICOS + ABIÓTICOS Y SUS INTERRELACIONES - nivel de ecosistema, integrado por todos los seres vivos (bióticos) e inertes (abióticos) que comparten un medio físico, y las relaciones entre estos.
m- ESFERA DE VIDA - nivel de biósfera, compuesto por todos los ecosistemas.
if a red blood cell has a solute concentration of 0.9%, then what would be the solute concentration of an isotonic solution?
Answer:
0.9%
Explanation:
the red blood cell is an isotopic solution
Any 2 differences between tap root and fibrous roots system.
Answer:
Taproot penetrates deep into the soil, while a fibrous root is shallow and does not penetrate as deeply.
A taproot is the differentiated primary root of the plant, while the fibrous root is not the differentiated primary root of the plant.
Answer:
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Which would be an adaptation in a rainforest, but NOT in a desert? A: Skin that blends in with green plants B: Better eyes for hunting prey C: Ability to store water for a long time (Obviously not the answer) D: Very small leaves to trap water
Answer: A: Skin that blends in with green plants
Skin that blends in with green plants is an adaptation in a rainforest, nut not in a desert. Thus, the correct option is A.
What are rainforest adaptations?Some of the most common animal adaptations in the rainforest include camouflage. This adaptation is much like soldiers in the army wear camouflage to blend in with their outside environment, animals use camouflage to move around the rainforest undetected.
Rainforest plants show adaptations which help them to survive better including the shallow root systems which enable them to obtain more moisture and tap into the rich supply of nutrients which are available from rotting plants and animal materials in the upper soil layer of the forests. The leaves of the rainforest trees have special adaptations and are noticeably different from that of eucalyptus leaves.
Therefore, the correct option is A.
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Describe the movement of water molecules in this diagram and identify the state of the solution. Explain why the water molecules moved in this direction
Answer:
A. Water molecules moved from compartment 2 to compartment 1.
B. The water molecules moved in this direction because the concentration of solutes in compartment 1 is greater than that in compartment 2
Explanation:
The setup in the diagram demonstrates the process of osmosis. In the setup, two solutions of different concentrations as shown by the difference in the number of solutes present in each, is separated by a semipermeable membrane. After sometime, it will be observed that the level of the solution in compartment 1 rises while that in compartment 2 reduces. This is because of the movement of water molecules across the membrane from 1 to 2. This process is known as osmosis.
Osmosis is the movement of water molecules across a semipermeable membrane from a region of lower solute concentration or higher concentration of water molecules to a region of higher solute concentration or lower concentration of water molecules until an equilibrium concentration is attained.
This movement of water molecules is due to the difference in concentrations of the two solutions as well as a presence of a semipermeable membrane which allows only water molecules to move across it but not solute molecules.
Which shows the most direct path that carbon can take through the carbon cycle?
plant ® atmosphere ® animal
O animal ® plant ® atmosphere
plant ® animal ® atmosphere
atmosphere ® animal ® fossil fuel
Answer:
plant animal atmosphere
Explanation:
i took the test on edge and i got the correct answer
Answer:
Your answer is C: plant ® animal ® atmosphere
Explanation:
Hoped this helped :))
explain how industries and automobile affect
thi carbon cycle
Answer:
Since the Industrial Revolution, humans have been releasing CO2 from these fuels more quickly than it can be re-absorbed naturally through the carbon cycle resulting in higher levels of CO2 in the atmosphere. ... As the amount of CO2 in the atmosphere increases, it can trigger significant changes in climate.
Explanation:
The major difference between Earth and the other planets in our solar system is that _____.
Answer:
Earth is the only planet with liquid water readily avaible to and able to support living organisms.
Explanation:
Answer:
Earth has an atmosphere
Explanation:
Took the exam
can someone actually help me please The crystals have been dissolved in water. Notice the copper(II) sulphate is the blue solution. Sodium hydroxide is the clear solution what should i write for description of them ?? HELPPP
Which statement accurately describes short-term environmental changes?
A)Short-term environmental changes cause changes in genetic makeup.
B)Short-term environmental changes do not happen suddenly with little warning.
C)Short-term environmental changes do not affect organisms within an ecosystem.
D)Short-term environmental changes immediately affect organisms in the environment.
Answer:
D)
Explanation:
Short-term environmental changes is described as the change in the environment that occurs quickly and affect the organism in the environment. The organism then adapts the changes in environment in order to survive and not die off.
Some examples of short-term environmental changes are drought, flooding, smog and pollution et-cetra.
Hence, the correct option is D)
Answer:
D
Explanation:
An organism is found that has the following traits:
• Has multicellular filaments
• Decomposes plants
• Lives in a moist environment
What kingdom does this organism most likely belong in?
O A. Animalia
O B. Plantae
O C. Protista
O D. Fungi
Answer:
D. Fungi
Explanation:
All of the traits listed relate to fungi.
Geneticists studying the gene for lactase did not find any differences in the coding region DNA (the section of DNA with instructions to make the protein) between people who could digest lactose and people who could not digest lactose. After they investigated further, they discovered that the difference between lactose tolerant and intolerant individuals was due to a mutation located in
Answer:
Explanation:
They discovered that the difference between lactose tolerant/persistence and intolerant individuals was due to a mutation located in another neighbouring gene that controls its persistence.
This gene is the MCM6 gene. This gene affects lactase promoter activity likely causing lactase persistence. It is located in a regulatory region upstream of the lactase (LCT) gene.
DNA is the genetic material that makes up living things, and folic acid plays an important role in the formation of DNA. Jon wants to study the effect of folic acid on DNA formation in microbes. Which statement accurately describe the variables in this study?
A.
The amount of folic acid and DNA synthesized are both dependent variables.
B.
The amount of folic acid and DNA synthesized are both independent variables.
C.
The amount of folic acid is the independent variable, and the DNA synthesized is the dependent variable.
D.
The amount of folic acid is the dependent variable, and the DNA synthesized is the independent variable.
E.
The amount of folic acid and DNA synthesized are neither dependent nor independent variables
Answer:
C
Explanation:
C:
Answer:
C
Explanation:
c
where dose a fertilized egg attach
Answer:
The answer are given above in attachment.
59
A substance that influences the reaction but does not participate in the reaction is a
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Answer:
It is called a CATALYST.
A substance that has an influence on the reaction but it does not take part in the reaction is known as a catalyst.
What are the properties of a catalyst?A catalyst has an important property of selectivity which means it only catalyzes a specific reaction. Every reaction is catalyzed by a unique catalyst that is specific to that particular reaction. A catalyst usually undergoes a physical change but does not undergo a chemical change during the reaction.
A catalyst works by increasing the rate of reaction. In a chemical reaction, there is breaking and rebuilding of bonds between different atoms and molecules. This process is made easy with the help of a catalyst which lowers the activation energy and catalyzes the reaction in a smooth manner.
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What is homeostatis and how it is occured in plants
Answer:
the property of living organisms in which they keep their internal systems in balance is called homeostatis. In desert regions, plants have reflective surfaces making them cool, they have several adaptation skills like cactus, where its leaves are spines to reduce transpiration. This happens due to the property homeostatis.
Answer:
Homeostasis is the property of living organisms in which internal systems are kept in balance.
Explanation:
Plants stay cool in the desert heat through their reflective surfaces, reduced leaves, or leaves that are parallel to the sun. Desert plants may also have adaptations that help them store water or very deep roots.
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Answer:
B is the correct answer
Explanation:
What can a extermley low protein diet cause
Answer:
When nutritional protein is in brief supply, the frame tends to take protein from skeletal muscles to keep more important tissues and frame functions. As a result, lack of protein ends in muscle losing over time. ... Loss of muscle tissues is one of the first signs of inadequate protein intake.
Explanation:
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Which of Charles Darwin’s main points is depicted in the image? Organisms within a population compete with each other to survive. Over time, beneficial variations will be passed on to future generations. More offspring are produced than can be supported by an environment. All organisms within a population have an equal chance for survival.
Answer:
A). Organisms within a population compete with each other to survive.
Explanation:
Charles Darwin in his evolution theory proposed that the organisms of all species emerge and develop via the 'natural selection' of tiny, inherited discrepancies and these disparities enhance the individual's ability to contest and compete with each other in order to survive and reproduce to continue their existence. This led to the emergence of the phrase 'survival of the fittest' which suggests that in this competition of 'natural selection', only the fittest will survive. Thus, option A is the correct answer.
Answer: a
Explanation:
which structure in leaves allows the gaseous reactants and products of photosynthesis to move in and out a b c d
Answer:
Stomata
Explanation:
Photosynthesis is a unique phenomenon which occurs in the Chloroplast of plant cells. It is the way they synthesize their food in form of glucose. However, like every metabolic reaction, photosynthesis requires certain reactants and products.
Photosynthesis combines carbondioxide (CO2) gas and water (H2O) in the presence of sunlight to produce Glucose (C6H12O6) and oxygen gas (O2). The gaseous components of this metabolic activity enters (C02) and leaves (O2) the plant via a structure in the leaves called STOMATA.
STOMATA is a pore found in the epidermis layer of plant leaves that aids in the exchange of gases i.e. carbondioxide in, oxygen out during Photosynthesis.
Nearly all of the energy that Earth receives from the Sun is used in photosynthesis.
Please select the best answer from the choices provided:
TRUE
FLASE
what process happens in the fluid filled space outside of the granum?
a) krebs cycle
b) calvin cycle
c) light dependent reactions
d) glycolysis
Answer:
Calvin cycle is your answer.
Explanation:
hope it helps you.
Which of the following best describes a consequence of clearing land for agriculture?
Answer:
what are the choices?
If I was to answer without choices I would say clearing land can cause negative environmental impacts. An example of this is deforestation, humans cut down large amounts of trees destroying whole forests along with the wildlife living in the trees. Then these animals have nowhere to live causing mass extinction.
I hope I was able to help!!
Which of the following best describes fertile soil, precipitation, and sunlight?
A. Biotic factors in the grassland
B. Biotic factors in a forest
C. Abiotic factors in the grassland
D. Abiotic factors in a forest
Answer:
C. Abiotic factors in the grassland.
Explanation:
Sunlight, soil, and percipitation are all nonliving things, so they are abiotic. Sunlight, soil, and percipitation could be found in forrests or grasslands, but are usually found in grasslands.
Brendan is 6 feet tall and has red hair and green eyes. His cousin, Connor, is 5 feet, 6 inches tall, and has brown hair and brown eyes. Both boys are described as friendly and outgoing. These descriptions of genetic expression are known as their
Answer:
Phenotypes
Explanation:
Phenotypes are the characteristics of an animal or human, which we can see and observe. Thus, Brenden and Connor's characteristics can be observed an can see.
I hope this helps.( Plus, I'm bad at good English grammar)
5 feet
but I really need with my so can anyone help me? I'm only on unit two with 2 days left PLEASE !!!
Which is one source that scientists use to
reconstruct past climate conditions?
fossils frozen in glaciers
daily temperatures
the tilt of Earth's axis
running water
Answer:
fossils frozen in glaciers.
Explanation:
Hope it helps.
Answer:
fossils frozen in glaciers
Explanation:
Describe how you would carry out sampling with a pitfall trap. State how you would reduce the risk of harm to capture organisms.
Answer:
Explanation:
Pitfall trapping is a sampling technique that is widely used to examine species ... Solutions such as formalin are used in wet pitfall traps because they preserve the ... stone or other object to keep out predators and prevent trapped animals from ... however, can pose a significant by-catch risk to small non-target vertebrates ...
During ecological succession, why is one type of tree that is short get replaced by taller
tree types?
Answer:
change in environment
Explanation:
During ecological succession, short type of tree get replaced by taller tree because the environment is in favor of the taller trees. The suddenly and drastically change that occurs in an ecosystem is the main reason for ecological succession. In this ecological succession, the old species becomes vanished and replace by new species which has the ability to survive in that changed environment. The short type of tree get replaced by taller tree because the shorter trees did not get sunlight and nutrients from the soil so tall trees takes their place. The tall trees are more competitive that short trees.