Answer:
Warm air would rise as it is less dense than cold air
Explanation:
Which of the following is a scientific question?
Answer:
A
Explanation:
That is the only option that can be an experiment and conduct research to answer.
The option that reveals the scientific question is as follows:
How does the release of heated water from a power plant into a river affect the native population of fish?Thus, the correct option is A.
What is a Scientific question?Scientific questions may be defined as questions that may direct to a hypothesis and assist us in answering or figuring out the reason for some observation.
This specific question clearly determines the effect of heat water from a power plant on the native population of fish with respect to the controlled environment that receives the normal and fresh water for the fish population.
The rest of the options are significant for analysis but do not contain more accurate and valid scientific questions in order to predict some outcome with respect to the hypothesis.
Therefore, the correct option for this question is A.
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Why don’t we have a complete fossil record of all life that’s ever lived?
Answer:
Why don't we have a complete fossil record of all life that's ever lived? Fossil formation requires a rare mix of physical and biological conditions. Fossils must be exposed at Earth's surface to have a chance of being found. Fossils can be destroyed when rocks erode, melt, or change composition.
Explanation:
For many reasons, the fossil record is not complete. Most organisms decomposed or were eaten by scavengers after death. Many species lacked hard parts, which are much more likely to fossilize. Some rocks and the fossils they contained have eroded and disappeared.
Please mark me as the brainliest
Answer:
Sediment has to cover the bones in order for fossilization to take place
Explanation:
Fossil formation requires a mix of physical and biological conditions. Fossils have to be exposed in oder to find them too, so there might be some that are just too deep in the earth for us to find them
3. Which of the following is a defining characteristic of a prokaryotic cell?
a. The method of cellular Respiration
b. The composition of the cell membrane
C. Absence of a membrane-bound nucleus
d. The method of movement
Answer:
C
Explanation:
Prokaryotic cells do not have any membrane-bound organelles, only eukaryotes do.
The prokaryotic cell is a simple primitive cell, unlike the complex eukaryotic cells. The absence of a membrane-bound nucleus is a characteristic of prokaryotes. Thus, option C is correct.
What is a prokaryotic cell?Prokaryotes have been the cells that have lived on earth for millions of years ago. They are made of single cells and hence are unicellular. Unlike the eukaryotic cell, they have simple mechanisms of living and reproduction.
They lack a centrally located defined nucleus that is not covered in any membrane and lies simply in the cytoplasmic material. Also, they lack organelles that make them different.
The genetic material is located in a concentrated form in a structure called the nucleoid that lacks a nuclear membrane.
Therefore, option C. the prokaryote lacks a membrane-bound nucleus.
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what are limiting factors in the tundra
Answer:
the lack of vcegitation
Explanation:
Given that almost all organisms obtain energy from food by the process of cellular respiration, which is the most likely explanation for what prevents Earth from running out of oxygen?
Answer:
Oxygen cycles keeps the flow of oxygen at a constant rate.
Explanation:
The oxygen constitutes about 20% of the gaseous components in the atmosphere and it's being renewed continuously by the various microorganism and primary producers as green plants that use photosynthesis and converts the sunlight and carbon dioxide to water and releases oxygen. Oxygen cycle makes life possible as most of the elements are combined with oxygen in some way or another and are found on the lithosphere, hydrosphere, and atmosphere even biosphere hence its is present insufficient amounts.
Answer:
A.) The net effects of the reactions of photosynthesis and cellular respiration are the opposite of one another, therefore the products of one are the reactants of the other, creating a cycle.
Explanation: Hope this helps!!
How did the number of organisms change between 1900 and 2010
Answer:
the number of prey and predators has decreased
Explanation:
this is because of increased rate of hunting .the prey such as elephants and rhinos are being hunted for their horns while predators are also being hunted because of their skin.
also due to man and wild animal conflicts which happen in areas nearing the forests ,both prey and predators are killed.
Answer:
A??
Explanation:
All of the following are limiting factors except?(MCQ)
a. Food
b.crowding
c.size of leaves
d.Amount of light
Answer:
C
Explanation:
The size of leaves will not affect the population size
hope this helps have a good day :)
A change in the way something reflects light; can indicate a chemical
change
Answer:
A change in the way something reflects light very well can indicate a chemical
change.
If a planet in our solar system is a gas giant planet it is near the sun. If a planet in our solar system is a gas giant planet it is far from the sun. If a planet in our solar system is a gas giant then it is near or far from the sun. Which is correct?
Answer: I think it's If a planet in our solar system is a gas giant planet it is far from the sun
7. Why is the property of specific heat important to aquatic life?
Answer:
Specific heat means amount of heat required to raise a temperature of a particular body, in case of aquatic life the specific heat plays an important role, the organisms living in an aquatic system require an certain body temperature to be maintained in order to survive.
Specific Heat raises the temperature of the water body resulting in Aquatic life to survive.
The path that a body follows as it travels around another body in space is its
Answer:
orbit
Explanation:
The path that a body follows as it travels around another body in space is its ---- ORBIT
12. Why are lobe-finned fish thought to be the closest relatives to tetrapods?
Answer:
Lobe-finned fish are thought to be the close relatives to tetrapods because of the fact that the fins are very flexible and potentially useful for supporting the body on land, as in lungfish and tetrapods.
Explanation:
The lobe-finned fish are thought to be the closest relatives to tetrapods because the fins are very flexible and potentially useful for supporting the body on land, same as in the lungfish and tetrapods.
What are the lobe-finned fishes?
The lob-finned fishes are called as Sarcopterygii, is a clade containing the coelacanths, lungfishes, tetrapods, and the fossil relatives as well, including the osteolepiformes and panderichthyids. These are the sister group to the ray-finned fishes called as Actinopterygii, which together forms the bony fishes called as Osteichthyes.
The basic characteristics of lobe-finned fishes such as swim bladder, lateral lines, lobed fins, enameled teeth. Tetrapods are thought to have evolved from the primitive lobe-finned fish.
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Plz help lol. Identify and describe 2 things that could explain why glucose and complex carbohydates are not disappearing in M’Kenna’s digestive system.
Answer:
Explanation:
Plz help lol. Identify and describe 2 things that could explain why glucose and complex carbohydates are not disappearing in M’Kenna’s digestive...
(b) These crops can be used to feed farm animals.
Mineral ions are absorbed by the animal's gut.
This is because mineral ions are
Highlight the correct answer in yellow:
A small and soluble
B small and insoluble
C large and soluble
D large and insoluble
What is being broken down for energy during cellular respiration?
Plants
Glucose
Mitochondria
Carbon Dioxide
B: Glucose
Glucose is broken down for energy during cellular respiration.
Because all living things are made of cells,
and you are a living thing, what kind of
cells are you made of?
(Prokaryotic or eukaryotic)
Answer:
eukaryotic
Explanation:
Well, there are some prokaryotic cells in the body, but mostly its eukaryotic, and the human body is categorized as eukaryotic organisms, because eukaryotic means that the cell has a nucleus, where prokaryotic cells don't.
Are endocytosis and exocytosis examples of passive transport or active transport?
Answer:
Yes, they are both active transport processes.
Explanation:
Exocytosis describes the process of vesicles fusing with the plasma membrane and releasing their contents to the outside of the cell. Both endocytosis and exocytosis are active transport processes.
3. What 2 things are produced as a result of photosynthesis?
Answer:
Carbon dioxide and water
his is how platinum appears in the periodic table.A purple box has P t at the center and 78 above. Below it says platinum and below that 195.08.
Rounded to the nearest whole number, what is the atomic mass of platinum?
78
117
195
273
Answer:
The answer is 195, the atomic mass is always the bottom number below the name of the element.
Answer:
195
Explanation:
i took the test on edge
The genetic information is contained inside the cell's
Help please thx
Answer:
nucleaus
Explanation:
science class
Answer: nucleus
The genetic information that is stored inside the cell is in the center, where the nucleus is located. The nucleus stores all your parents' DNA.
Hope this answer helps!
How can a cell control the rate of an enzyme-catalyzed reaction?
Answer:
cells can control the rates of reactions involving these enzymes by regulating the movement of substrate molecules through the membrane. organisms may use hormones to carry messages from one part of the organism to another.
Explanation:
i hope that helps!
What characteristic of viruses distinguishes them from cells? They lack an independent metabolism. Their traits do not evolve in response to selection pressures. They are not separated from their environments. They do not have hereditary material.
Answer:
The correct answer is "They lack an independent metabolism"
Explanation:
Viruses are usually active/alive in a living environment and become inactive in non-living environment; these is because they rely on the metabolic activities of the invaded living environment/cell. This property is a sharp contrast to normal living cells that are able to metabolize different substances independently using several organelles.
Answer:
The do not have hereditary material.
Their traits do not evolve in response to natural selection.
They lack the ability to live independent of a host.
They are not separated from their environments.
Explanation:
I have the same question but different answers. Can you help
If a cell containing 5% salt is placed into a glass of water with 20% salt, the water is ______ compared to the cell.
A: hypertonic
B: none of the above
C: isotonic
D: hypotonic
Answer:
it would be A: hypertonic
If a cell containing 5% salt is placed into a glass of water with 20% salt, the water is hypertonic compared to the cell.
TONICITY:
Tonicity is the ability of a solution to induce movement of water in and out of a cell. Tonicity can either be hypertonic, hypotonic or isotonic in nature. Hypotonic solution is a solution that is lesser in solute concentration compared to the cellular solution while hypertonic solution is a solution that is greater in solute concentration compared to the cellular solution. This means that the glass of water with 20% salt is hypertonic (higher in concentration) to the cell containing 5% salt.Learn more about hypertonic solution at: https://brainly.com/question/8984839?referrer=searchResults
How can atoms get a full (maximum energy) outer shell?
Answer:
Explanation:
One easy way for atoms to achieve a full outer shell is to share electrons in their outside, valence shells. When atoms share their valence electrons, they form a molecule with covalent bonds. One pair of electrons makes one covalent bond.
Which activity releases carbon into the atmosphere?
respiration
photosynthesis
decomposition
feeding
C or decomposition have a nice day! :)
LOCATION What city was located in northern Mesopotamia?
Answer:
Assur is the answer for that question
Answer:
Assur
Explanation:
Muscles use a lot of cellular energy because they are highly functional. Which
organelle would be in abundant to provide that energy?
Vacuole
Chloroplast
Mitochondria
Nucleus
Do fungi have cilia, flagella or pseudopodia for locomotion?
i) Yes
ii) No
Answer:
Yes
Explanation:
Cilia and flagella are also known among plants and animals, although they are absent from the true fungi. In some protists, single cilia have, in effect, been replaced by compound ciliary organelles (e.g., membranelles and cirri), which may be used effectively in locomotion and feeding.
Which one is correct here?
Answer:
is d
Explanation:
Which of the following is true regarding the cell theory?
Answer:
cell theory had 5 guys that basically made up and copied other scientist ideas and hooke was the first to find a cell like in jail the prisoners have a cell
he was the first to discover it
Explanation:
