Answer:
J
Explanation:
Scientists find that the average time for one complete cell cycle is 22 hours. What differences would they expect to see in cancerous chicken cells?
Answer:
the would have a different visual
Explanation:
The inactive state of a seed or other plant part when conditions are not right for growth is ___.
1. Phototropism
2. Dormacy
3. Gravitropism
Charles Darwin not only proposed that species could change over time, but he also described a process by which these changes could occur. What was that process?
Answer:
Charles Darwin had a theory that states that evolution happens by natural selection. Individuals in a species show variation in physical characteristics. ... As a consequence those individuals most suited to their environment survive and, given enough time, the species will gradually evolve.
The theory of natural selection was proposed by Charles Darwin. Darwin postulated that species could change over time.
What is the theory of natural selection?The adaption by organism according to the surrounding environment is natural selection. It drives evolution.
Individuals in a population vary naturally. It means they are all different in some ways.
This variation means that some individuals have traits that suit better to the environment as compared than others.
This causes the species to change over time.
Thus, the process by which these changes take place is natural selection.
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The sum of all chemical reactions that take place within an organism is
known as:
Answer:
metabolic reactions .
Explanation:
hope this will be helpful to you.
How is the carbon cycle related to sedimentary rocks?
Answer: Heat and pressure compress the mud and carbon over millions of years, forming sedimentary rock such as shale. ... The heated rock recombines into silicate minerals, releasing carbon dioxide. When volcanoes erupt, they vent the gas to the atmosphere and cover the land with fresh silicate rock to begin the cycle again.
Explanation:
DNA is what type of macromolecule?
Answer:
Nucleic Acid
Explanation:
DNA is made up of the nucleic acids Adinine, Thymine, Cytosine, and Guanine.
What forces are acting on a dropped book that falls to the ground?
A Gravity Only
B Gravity and Air Resistance
C Air Resistance only
D Friction only
HURRY PLS
Question 4
What would be the genotype and phenotype of the baby produced by the
following fertilization event? (Key: G = yellow and g = green)
G
meets
g
A. The genotype would be green and the phenotype would be GG.
B. The phenotype would be green and the genotype would be gg.
C. The genotype would be Gg and the phenotype would be yellow.
D. The phenotype would be gg and the genotype would be yellow.
Answer: D. The genotype would be Gg and then phenotype would be yellow
Explanation:
The influence of greenhouse gases on temperature is called the greenhouse effect. Based on what you have seen, how do greenhouse gases affect the heat flow into and out of Earth’s atmosphere?
Answer:
it effects the ozone which keeps out a majorty of the the suns raditon
Answer:
Greenhouses gases affect the heat flow into and out of (mostly out of) the Earths atmosphere by trapping heat inside the atmosphere and raising global temperature over time.
Explanation:
The difference between z and 8
Which of the following was Matthew Maury's greatest accomplishment?
A. Maury sailed around the world in the fastest time.
B. Maury discovered the smallest member of the ocean’s food chain.
C. Maury learned how to create maps.
D. Maury mapped the bottom of the Atlantic Ocean.
Answer:
b
Explanation:
One theory of early life on Earth states that the first life forms did not use oxygen for respiration and were unable to make their own food. Based on this theory, which types of organisms were most likely present? *
A. aerobic, autotrophic bacteria
B. anaerobic, autotrophic bacteria
C. aerobic, heterotrophic bacteria
D. anaerobic, heterotrophic bacteria
The theory of primitive life on Earth is fascinating, there are countless scientists who try to explain how life began on Earth, but to be able to answer how the first living beings were we need to know that.....
Oparin and Haldane hypothesis
The most widely accepted hypothesis about the origin of life today is the Oparin and Haldane hypothesis. According to this idea, the primitive Earth would be constituted by
AmmoniaHydrogenMethane and Water vapor,which are constantly expelled by volcanic activities. The condensation of this water vapor gave rise to a cycle of rains, as these, upon reaching the still hot surface of the Earth, evaporate again, thus initiating a new cycle.
Through the action of the sun's ultraviolet radiation and constant electrical discharges, the elements present in the atmosphere began to react, giving rise to the first organic compounds, called amino acids. The rains carried these compounds to the primitive oceans, which formed when the Earth's surface cooled, allowing water to accumulate on the surface.
In primitive oceans, these amino acids joined together, forming protein-like compounds (proteinoids), and then, after further reactions, these gave rise to coacervates. These became more stable and complex, controlling their own chemical reactions and being able to self-duplicate, thus giving rise to the first living beings.
Heterotrophic and autotrophic hypotheses
Some authors believe that the first organisms would be heterotrophs. This was due to the fact that the first organisms were simple, lacking the structure to carry out a more complex biochemical process to obtain food, for example, photosynthesis. Thus, these organisms fed on simple organic matter, presenting as the end product of this process carbon dioxide (CO2) and alcohol (C2H5OH), that is, the first living organisms would be fermentors.
With this information, we can say that the first living being on the planet was anaerobic, heterotrophic bacteria.
D. anaerobic, heterotrophic bacteria
There have always been many theories about the origin of life on the planet, but this is the most acceptable among scientists, but it is necessary to know that they are not yet fully proven, so they continue as a theory.
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which single factor would most likely account for this trend?
Answer:
muscles?
Explanation:
what trend? can explain or this not serious Question?
Bruce Wallace (1963) established a laboratory population in which the recessive allele lt was at a frequency of 0.5. He propagated the population for 10 generations, and determined the frequency of lt each generation.
a. True
b. False
Answer:
a. True
Explanation:
Bruce Wallace was a professor emeritus of genetics who performed many population studies. He worked in 1958 at the University of Cornell as a professor of genetics. In 1963, he performed a population study wherein the recessive allele It was at a frequency of 0.5. The population was propagated for 10 generations and the frequency of It for each generation was determined.
The result of this study showed that lt/lt died without reproducing, whereas, individuals with genotype +/+ were normal.
Why is it hard to model the inheritance of more than one gene?
Answer:
because all of them are different?
Explanation:
difference between mycoplasma and l form bacteria
Answer:
L-form bacteria are distinct from mycoplasmas, because Mycoplasma spp. do not originate from bacteria that normally possess a cell wall. ... Some of these bacteria remain as CWDB (stable L-forms), whereas others revert back to possession of a cell wall (unstable L-forms).
Explanation:
what do you notice when moving the slide around the stage?
Answer:
It's the same there is no change.
Help so easy with number 5
which statement correctly describes a feature of the rock cycle?
1 rocks are preserved through the process
2 rocks change from one type to another
3 different rock groups are not related to one another
4 rocks change from one type to another in specific order
Answer:
Rocks change from one type to another in a specific order.
Explanation:
A rock cycle can be described as a process that follows a sequence or a specific order in which the various rocks are transformed from one type to another.
Describe the relationship
between chlorophyll and the
color of plants.
Answer:
Plants absorb both red and purple light waves, however because purple wavelengths are shorter, they contain more energy. The green pigment involved in photosynthesis is chlorophyll . Chlorophyll is green in appearance because it absorbs red and blue light, making these colours unable to be seen.
Done!!!
Please help i don’t know
Answer:
Independent variable.
Explanation:
The independent variable is the variable that you change throughout the experiment. The independent variable effects the dependent variable. It is usually denoted as x.
A plant and an animal are both living things. According to the Cell Theory, what can you conclude about these two
very different organisms? SC.912.L.14.1
Plants have cells but animals do not
They are both made of one or more cells.
They both come from the same kind of cell.
O They both come from a non-living organism.
Answer:
They are both made of one or more cells.
Explanation:
A plant and an animal are both living things. According to the Cell Theory, what we can conclude about these two very different organisms is that they are both made of one or more cells.
A cell can be defined as the fundamental or basic functional, structural and smallest unit of life for all living organisms. Some living organisms are unicellular while others are multicellular in nature.
A unicellular organism refers to a living organism that possess a single-cell while a multicellular organism has many (multiple) cells.
Generally, cells have the ability to independently replicate themselves.
In a cell, the "workers" that perform various functions or tasks for the survival of the living organism are referred to as organelles and they include nucleus, cytoplasm, cell membrane, golgi apparatus, mitochondria, lysosomes, ribosomes, chromosomes, endoplasmic reticulum, vesicles, etc.
When farmers clear a forest and plant crops, how will the biodiversity of the land be affected?
The biodiversity will decrease with higher populations of fewer species,
The biodiversity will increase with lower populations of more species.
The biodiversity will decrease with lower populations of more species.
The biodiversity will increase with higher populations of fewer species.
Answer:
The biodiversity will decrease with lower populations of more species.
Explanation:
This is because clearing a forest destroys habitats and therefore kills animals as they have no shelter, no food source and no water source.
Little brown bats are a species of bat in the genus Myotis. Little brown bats are extremely common in North America, where they roost in houses, buildings, or trees. In the winter, the bats hibernate in caves, unused mines, or other similar locations. Unfortunately, little brown bats are threatened due to white-nose syndrome. Given these terms related to bats, match the term to the level of biological organization.all little brown bats
Answer: population: The bat species of North America
community : a little brown bat
organism: bat
Explanation:
Here, the population of the bat resides in the North America in the houses, trees and buildings they hide in the caves in winters for hibernation. Inside the cave they form a bat community here the organism is bat. These bats are threatened in numbers due to white nose syndrome. The white nose syndrome is the fungal growth on the wings and muzzles of the bats. The fungus affects the bats during hibernation, when the bats trying to save their energy by reducing their metabolic rate. It is transferrable from one bat to another thus can infect the entire population of bat. It is a dangerous disease.
REWORD THIS IN YOUR OWN WORDS!
They are eukaryotic, which means they have a nucleus. Most have mitochondria. They can be parasites. They all prefer aquatic or moist environments.
Answer:
Eukaryotic organisms have no nucleus and prefer aquatic or moist environments. Interestingly, some are parasites, and some do not have mitochondria.
Explanation:
You may need to add some more sentences to better link these two together.
Which step is irrelevant to investigating a foodborne illness outbreak
what kind of animals that has secrete chemicals to defend themselves??
Answer:
sea hares, cuttlefish, squid and octopuses
Explanation:
They give themselves a last chance to escape by distracting their attackers,; to do this, they eject a mixture of chemicals, otherwise confuse predators.
Hope that helps
The process of carbon fixation occurs through what
Answer: Carbon fixation is the process by which inorganic carbon is added to an organic molecule. Carbon fixation occurs during the light independent reaction of photosynthesis and is the first step in the C3 or Calvin Cycle.
Acclimatization does not change ___________, so traits that arise via acclimatization cannot be passed on to offspring. On the other hand, an adaptation CAN be passed on to offspring, which means that adaptations can drive________.
If an individual coral colony can __________to the warming water, this means it might _________as the ocean continues to warm. Individuals that cannot do it will___________. It is important for these changes to__________. Natural selection ________corals that have these characteristics that enable them to tolerate warm water. So, over time, coral populations will __________to warm water.
Answer:
Acclimatization does not change Genotype so traits that arise via acclimatization cannot be passed on to offspring. On the other hand, an adaptation CAN be passed on to offspring, which means that adaptations can drive Evolution.
If an individual coral colony can Acclimatize to the warming water, this means it might Survive as the ocean continues to warm. Individuals that cannot do it will Die. It is important for these changes to Become inherited. Natural selection will favor corals that have these characteristics that enable them to tolerate warm water. So, over time, coral populations will Adapt to warm water.
Acclimatization does not change genotype so traits that arise via
acclimatization cannot be passed on to offspring. On the other hand, an
adaptation CAN be passed on to offspring, which means that adaptations can
drive evolution.
If an individual coral colony can acclimatize to the warming water, this means
it might survive as the ocean continues to warm. Individuals that cannot do it
will die. It is important for these changes to become inherited. Natural
selection favors corals that have these characteristics that enable them to
tolerate warm water. So, over time, coral populations will adapt to warm
water.
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What codes for proteins?
A) polypeptides
B) amino acids
C) DNA
D) RNA
