Which of the following is not a part of Darwin's theory of evolution?
a. Changes in organisms occur immediately.
b. Organisms change over time.
c. Species evolution occurs through natural selection.
d. Organisms developed from common ancestors.
Answers
Answer:
a
Explanation:
Evolution is supposed to take place over a long period of time and is made up of small changes
Changes in the evolution take time. The correct answer is option a.
What is the important key for the survival of any species ?It is that the species which are prone to the adaptation and are flexible enough to get to the new type of adaptation are called as the fittest species and they invade the land.
Organisms definitely do change with time where the organisms are thought to have a proper phylogeny behaviors where the different species are thought to have changed with the time where suppose one species that is the species which tend to change with the changing environment and tend to adapt.
Organisms definitely developed from common ancestors for example in the case of primates it is having the common phylogeny behavior as the species do share the common ancestry. Various primates are having the same behaviors.
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Related Questions
which is supported and sustained by planet
Answers
Answer:
Answer
Explanation:
Understanding planetary habitability is partly an extrapolation of the conditions on Earth, as this is the only planet known to support life.
Assessment started: undefined.
Item 1
Which statement best describes the role of DNA?
It provides a form of energy for cells.
It speeds up chemical reactions inside of cells.
It directly forms proteins.
It transmits genetic information to the next generation.
Answers
Answer:
It transmits genetic information to the next generation.
Explanation:
It provides a form of energy for cells. - this is false. DNA does not provide energy. It is the genetic material of the cell
It speeds up chemical reactions inside of cells. - this is false, this vis the role of enzymes when DNA is not
It directly forms proteins. - this is false. DNA does not directly form proteins. It forms proteins via an intermediate molecule, mRNA
It transmits genetic information to the next generation. - this is true. DNA is passed on during cell division to the daughter cells
Research two examples of diffusion occurring in the human body. Be prepared to explain why they represent diffusion, what substances are involved, and how it benefits the body.
Answers
Answer:
Diffusion occurs in gaseous exchange of plants and animals
Diffusion occurs in the absorption of digested food through the villi of small intestine
Explanation:
This happens as a result of exchanging gases i.e carbondioxide and oxygen between animals and plants in respiration
and also digested food through the villi of small intestine to the stomach
Oxygen diffusion in the lungs and Carbon dioxide diffusion from the blood to the air in the lungs are examples of diffusion occurring in the human body.
What are benefits of diffusion to body?Oxygen diffusion in the lungs: Oxygen diffusion is a process that occurs in the human body when oxygen molecules move from an area of high concentration (in this case, the air in the lungs) to an area of low concentration (in the blood). This process occurs across the thin walls of the alveoli in the lungs, and it is facilitated by the presence of tiny blood vessels called capillaries. Oxygen diffuses from the air in the lungs into the blood in the capillaries, where it is carried to the rest of the body to be used for energy production. Oxygen diffusion is important for the body because it provides the oxygen that is needed for cellular respiration, which is the process by which cells produce energy.Carbon dioxide diffusion from the blood to the air in the lungs: Carbon dioxide is a waste product that is produced by cells during cellular respiration. It is toxic to the body in high concentrations, so it must be removed from the body. Carbon dioxide diffuses from the blood in the capillaries of the lungs into the air in the alveoli, where it is exhaled out of the body. This process occurs in the opposite direction as oxygen diffusion, with carbon dioxide moving from an area of high concentration (in the blood) to an area of low concentration (in the air). Carbon dioxide diffusion is important for the body because it helps to remove waste products and maintain a healthy balance of gases in the body.
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why are lions smaller than elephants
Answers
Answer: Lions are smaller so they can get their pray with out being seen.
Explanation: Elephants are large, and because of this they are slow. So, if a lion was as big as a lion, their pray would see them and they could not catch it and they would go hungry.
Select the Two characteristics that these proteins have in common.
A( They contain nitrogen
B( They are made of disaccharides.
C. They are Composed of amino acids.
D( They form by using fatty acids and glycerin.
E( They Contain a base, sugar and a phosphate group.
Answers
Answer:
C, D
Explanation:
The common property of all proteins is that they consist of long chains of α-amino (alpha amino) acids. The general structure of α-amino acids is shown in . The α-amino acids are so called because the α-carbon atom in the molecule carries an amino group (―NH2); the α-carbon atom also carries a carboxyl group (―COOH).
Which of the following macromolecules are a prominent part of animal connective
tissue such as cartilage and keratin?
A.carbohydrates
B.lipids
C.proteins
D. Nucleic acids
Answers
The correct option is C: Proteins
Proteins are essential for all living organisms as it carried out important function.
Proteins help in repairing all living organisms organs and as well as the tissues and cells.
Proteins help to protect the body against bacteria and viruses which is why they are said to be important macromolecules that are part of animal connective tissue.
Example of macromolecules is proteins.
Inconclusion The correct option is C: Proteins
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Help please. Im timed!
Answers
Answer:
First Answer
Explanation:
carnivorous plants are both autotrophic and heterotrophic
what is h is making
Answers
Answer: NONE YU
Explanation:
If carrot sticks are put into water and refrigerated, they become turgid and stiff, but if red blood cells are given the same treatment, they burst or lyse. Explain the difference in the results.
Answers
Answer:
Because carrot isn’t the same matter as a red blood cell so if a blood cell gets cold it bursts
Explanation:
They have different chemical compounds
The carrot cells become turgid whereas red blood cells burst or lyse in the given condition due to plant cells have two organelle that prevents it from lysing which are, the cell wall and a large vacuole.
Plant cells have a cell wall around their cell membrane and have a single large vacuole whereas in animals the cell wall is absent and found small vacuoles.
When water moves into a plant (carrot) cell, the vacuole becomes bigger. it causes pressure on the cell wall and increases the turgor pressure within the cell making it stiff. The pressure occurred by the cell wall prevents too much water to enter and prevent cell lysis.It lacks in the animal cells that results in cell lysis due to too much water enters in it.Thus, the difference, in this case, is due to plant cells have two organelle that prevents it from lysing which are, the cell wall and a large vacuole.
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Why are the outer four planets sometimes called gas giants?
They have atmospheres of gas and the inner planets do not.
They are made of gas and are much larger than the terrestrial planets.
They orbit the earth in a different direction than the inner planets.
They are made of mostly ice and do not have a rocky surface.
Answers
Answer:
made of gas
Explanation:
‼️‼️❗️Eukaryotic cells have DNA in the nucleus while prokaryotic cells have DNA in the cytoplasm. true or false ?
Answers
Answer:
verdadero
Explanation:
espero y te ayude mi respuesta
Which statement is not part of the cell thoory?
A All living organisms are composed of one or
more cells.
B Cells como only froin oxisting cells.
C All colls have a nucleus.
D Cells are the basic units of structure and
function in an organism.
Answers
Answer:
c
Explanation:
all cells do not have an nucleus
is a vacuole found in a plant or animal cell
Answers
What would I be calculating by counting all the individuals of a population?
Answers
One is simply the number of individuals in the population, or population size— N N NN.
Which combination of atoms will form a molecule but not a compound?
Answers
Answer:
Any element
Explanation:
for example, oxygen is combination of atoms but not a compound, it is an element
How do cells get rid of the largest waste materials?
A. by diffusion
B. by transport proteins
C. by osmosis
D. by exocytosis
Answers
Answer:
Cells use both diffusion and osmosis to get rid of their wastes. Cells can bias the movement of waste molecules out of and away from themselves. One way is to temporarily convert the waste product into a different molecule that will not diffuse backwards.
Explanation:
Answer:
A. By diffusion
Explanation:
Cells use both diffusion and osmosis to get rid of their wastes. Cells can bias the movement of waste molecules out of and away from themselves. One way is to temporarily convert the waste product into a different molecule that will not diffuse backwards.
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Which of the following is composed of more dense tissue?
Select one:
O a. Epidermis
O b. Hypodermis
c. Dermis
Answers
What is (4c8m-7n)+6(3n-4n)
Answers
What are factors that affect the state of matter
Answers
Answer:
If you consider the particles of each state of matter, it becomes evident that pressure and temperature are the major factors that affect the transitions of matter.
Temperature can cause molecules to move slower or faster.
Pressure can cause molecules to become more or less packed together.
Explanation:
Answer:
Temperature, it can cause molecules to move slower or faster.
Pressure, can cause molecules to become more or less packed together.
explain the removal from plants on a food web changes the biodiversity in the ecosystem
Answers
Answer:
If one species in the food web ceases to exist, one or more members in the rest of the chain could cease to exist too. A plant or animal doesn't even have to become extinct to affect one of its predators.
Please Help! Which terms describe the periwinkle snails? Select all that aply more than one answer!
a. herbivores
b. heterotrophs
c. secondary autotrophis
d. members of the second trophic level
e. carnivores
f. primary consumers
Answers
Answer:
a, b, d, and f.
Explanation:
The periwinkle snails feed on plants. Consequently, they are said to herbivorous and heterotrophic since they cannot manufacture their own foods. They are also referred to as primary consumers because they directly feed on plants without any other nutritional option. They, therefore, occupy the second trophic level on a typical food web.
The correct options are a, b, d, and f.
The percentage of energy in one trophic level that transfers to the next level in the average ecosystem is 10 percent. Trophic levels are the feeding positions of all organisms that are located in a certain ecosystem. Trophic levels describe what different organisms consume. As energy is transferred from one trophic level to another in an ecosystem, it decreases. Only a small amount of the energy (as little as 10 percent) at any trophic level is moved to the next trophic level. The remaining energy is lost mainly as heat through metabolic processes.
Answers
Answer:
See explanation
Explanation:
According to the second law of thermodynamics, energy transfer from one trophic level to another is not 100% efficient. Some energy is lost along the way from one trophic level to another.
The reason for this loss in energy is that the organisms at each trophic level harnesses the energy that they derive from complex organic matter to carry out their own metabolic processes.
Hence, only about 10% of the energy originally derived from complex food materials is passed on to the next trophic level.
Summarily, only about 10 percent of energy derived from food and stored in biomass in a particular trophic level is passed from one level to the next. This is commonly referred to as “the 10 percent rule”. This rule limits the number of trophic levels that can be supported by a given ecosystem.
Answer:
10 percent
Explanation:
What is the difference between a density-dependent and density-independent limiting factor?
Answers
Based on its location on the periodic table, how many electrons does oxygen have in its outer energy level? a 3 b 4 c 5 d 6
Answers
Answer:
D
Explanation:
Oxygen has 6 valence electrons and it is in group 16 on the periodic table
Answer:
D.
Explanation:
I took the test.
what are the differences between sexual and asexual reproduction?
Answers
Answer:
Explanation:
DIFFERENCES
SEXUAL REPRODUCTION Sexual Reproduction is a type of reproduction in which one or two organisms or individuals are involved. Fusion of gametes occurs and the offspring’s have different characters. There are sexual organs for both male and female and the organs of both male and female come into contact at the time of reproduction.
ASEXUAL REPRODUCTION Asexual Reproduction is a type of reproduction in which only one organism is involved. There will be no fusion of gametes and The offspring will exactly resemble the parent. There are various kinds of asexual reproduction and some of them are binary fission, budding, fragmentation, parthenogenesis, sports, etc.
Explanation:
asexual
without sexual feelings or associations.
Sexual
acctual feelings or associations.
so then u figure it out from there
PLEASE HELP!! 30 POINTS.
Galactosemia is an inherited genetic condition. Children with this condition cannot break down the sugar galactose, which is part of lactose. Based on the pedigree chart, is this condition a dominant or a recessive disorder? Explain your reasoning.
Answers
Answer: it is recessive.
Explanation:
Both parents are heterozygous for the trait but they do not exhibit the disease themselves if it were a dominant gene both parents would have the disease if they carried the gene for it.
The planting of trees is detrimental to soil because it drains the soil of nutrients.
Answers
Answer:
False.
Explanation:
Trees put nutrients back into the soil after some time through the decomposition of leaves, roots, and flowers that the tree produces.
what are two characteristics of enzymes?
Answers
Answer:
Some characteristics of enzymes are as follows:
Enzymes are highly specific for a particular substrate. ...
Enzymes remain unchanged during the reaction itself. ...
Enzymes are very efficient, catalyzing about 1-10,000 molecules of substrate per second. ...
Explanation:
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All of the species that live in this tree each use a different part of the tree. If
they didn't, they would compete and only one species could survive. This is
called the
A: competitive exclusion principle
B: carrying capacity
C: symbolism
D: succession
Answers
Answer:
competitive exclusion principle
Answer:
competitive exclusion principle
Explanation:
example if a squirrel takes a part of a tree as it's domain no other animal can live,inhabit that place because the squirrel will chase it away to protect it's belongings
Viruses reproduce by..... * O sexual reproduction binary fission O asexual reproduction O entering a host cell and making copies of itself
Answers
Answer: entering a host cell and making copies of itself
Viruses reproduce by infecting a host cell, and making it produce copies of a virus instead of antibodies. This is how viruses double in your body.
Hope it helps you!