Answer: Importance of replication in experiments
Explanation: Getting the same result when an experiment is repeated is called replication. ... Replication is important in science so scientists can “check their work.” The result of an investigation is not likely to be well accepted unless the investigation is repeated many times and the same result is always obtained.
1. Do plants, like animals, have traits that increase their reproductive success? What are some of these
traits?
The specialization of the pharyngeal jaws of cichlids for different diets represents a trade-off in function because ___________. See Section 41.2 (Page 858) . View Available Hint(s) The specialization of the pharyngeal jaws of cichlids for different diets represents a trade-off in function because ___________. See Section 41.2 (Page 858) . algae eating cichlids must swim faster crushing snails is only carried out by fish of the genus Labeotropheus cichlids in Lake Victoria are the only fish with pharyngeal jaws the more specialized pharyngeal jaws are for one diet, the less adapted they are for the ingestion of other foods
Answer:
The correct answer is - the more specialized pharyngeal jaws are for one diet, the less adapted they are for the ingestion of other foods
Explanation:
Pharyngeal jaws are also called throat jaws and are specific for the prey. These jaws have strong muscles and plastic or easy-to-modify teeth. If an organism has pharyngeal jaws specialized for a specific diet or prey it will have lesser chances to adapted well according to the new diet. For instance, pharyngeal jaws highly specialized for scale eating will not be able to adapt well if the fish ingests algae.
- shape and size of cells are related to the function
they perform . Explain with example
Answer:
Cell size is limited by a cell's surface area to volume ratio. A smaller cell is more effective and transporting materials, including waste products, than a larger cell. Cells come in many different shapes. A cell's function is determined, in part, by its shapeA new species of vine is accidentally introduced into a forest by campers. The vine grows quickly up the trunks of native trees, gradually killing them by interrupting the growth of branches and leaves. Which of the following best describes how natural selection will affect the population of trees in this forest?
A. The best adapted trees will survive and pass their existing traits to offspring.
B. Only new species of trees will be able to compete with the vine.
C. The vines and trees will interbreed and produce a new species.
D. Offspring of the trees will be genetically identical.
Answer:c
Explanatioohggcggh
The best description, of how natural selection will affect the population of trees in this forest, is the vines and trees will interbreed and produce a new species.
What is natural selection?Natural selection is a mechanism in which only those animals or plants survive which adapt to the changes in environment.
Thus, the correct option is C. The vines and trees will interbreed and produce a new species.
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Which one of the following places would you NOT find single-celled organisms?
A.Yeast
B.yogurt
C.plant leaf
D.pond water
Unicellular organisms are the organisms that are made up of single cell. It is yeast, bacteria in yogurt and some are present in pond water.
What is unicellular organisms?Unicellular organisms are made up of only one cell, example algae, bacteria, viruses, etc.
In unicellular organisms, division of labor is absent, only one cell perform all vital activities.
These are yeast which is unicellular fungi, a bacteria known as Lactobacillus is present in yogurt, there are numerous single-celled organism in pond water too.
Thus, the correct option is C.
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what is the total amount of Vit B in 100g Milo powder
Answer:
3.6 µg of Vitamin B12, 2.3mg of Vitamin B6, 30.1mg of Niacin B3, 1.8mg of Vitamin B2
Explanation:
Total amount of Vitamin B in 100 grams of Milo powder contains 3.6 µg of Vitamin B12, 2.3mg of Vitamin B6, 30.1mg of Niacin B3, 1.8mg of Vitamin B2. In milo powder, almost all types of vitamin B are present which make it good for our health. This milo powder also contains 54mg Vitamin C, 594mg of Calcium and 21.8mg of Iron so the total amount of Vitamin B is more about 34.2 mg.
a fossil find contains impressions of leaves that lived on the ancient plants. How would you classify this type of fossil?
A.) original material
B.) molds and casts
C.)amber
D.) replacment
Answer:
molds and casts
Explanation:
Fossil molds and casts preserve a three-dimensional impression of remains buried in sediment. The mineralized impression of the organism left in the sediment is called a mold. The mineralized sediment that fills the mold recreates the shape of the remains. This is called a cast.
PLEASE ANSWER FAST I NEED ANSWER
Answer:
B
Ovulation happens about 14 days before your period starts. If your average menstrual cycle is 28 days, you ovulate around day 14, and your most fertile days are days 12, 13 and 14
27. Which statement best describes a chromosome?
A) It is a gene that has thousands of different
forms.
B) It has genetic information for traits of an
organism that is contained in DNA.
C) It is a reproductive cell that influences more
than one trait.
D) It contains hundreds of genetically identical
DNA molecules for one trait.
Answer:
B
Explanation:
Chromosomes are structures composed of DNA that, in turn, carry the genes of a living being, responsible for defining the physical characteristics of each individual. Chromosomes are involved in the nucleus of cells that make up a living being.
Question 4 of 10
What is the main function of the circulatory system?
O A. To break down food into molecules of nutrients
B. To collect wastes made by cells and remove them from the body
O c. To carry nutrients to cells and wastes away from cells
O D. To protect the body from pathogens that can cause infection
SUBMIT
The chemical substances in our environment to which we respond can be called?
A. stimuli
B.impulses
C.responses
D.sense cells
A. Stimuli
WHAT IS STIMULI?
A stimuli is anything that can trigger a physical or behavioral change.The changes in the environment to which living things respond are called stimuli. The living things show response to external stimuli such as heat, light , touch, sound, smell, taste, water and chemicals.It can be internal or external both.When diverse organs works collectively in a scientific way to supply a reaction to the stimulus, this is known as coordination.Stimuli is essentially anything that triggers a receptor for one of those senses.You can understand this with an example that would be the receptors on our skin which sense a stimulus like pain. Sense organs contain groups of receptors that respond to specific stimuli.
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Jumble letter can you help me plsss
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In short it's natural resources.
What is an agricultural subsidy?
Select one:
- A sum of money paid to farmers and agribusinesses by the government to
supplement their income and manage crop supply
-A sum of money paid to farmers and agribusinesses by the government in
exchange for their land and machinery
о
-A bank loan available to commodity crop farmers in case market prices fall
Answer:
A sum of money paid to farmers and agribusinesses by the government to
supplement their income and manage crop supply
An individual is found to have a high content of urea in his urine.
Explain why.
[6 marks]
he consumed drugs illegally
Answer:
High level of urea in urine may suggest: too much protein in the diet.
Loni makes a diagram to help organize what she has learned about the gas laws.
Which label belongs in the region marked X?
involves changes in temperature
has a constant volume
shows an inversely proportional relationship
does not describe pressure changes
Answer:
Shows an inversely proportional relationship.
Explanation:
The Boyle's law belongs in the region marked X whereas the other circle belongs to Charles law. There is inverse relationship between the two circles or these two laws because in Boyle's law, temperature is constant while on the other hand, in Charles law pressure is constant instead of temperature. In Boyle's law, pressure of a gas is inversely with its volume whereas in Charles law, the volume of a gas is directly proportional to its absolute (Kelvin) temperature.
Which of the following is Natural Selection?
A) Organisms develop traits that allow them to survive and reproduce
B) Inherited traits change over time
C) Traits that offer and advantage/benefit will passed on offspring
D) All are correct
Which of these are functions of the ear? (Select all that apply.) A.receiving light energy B.hearing C.emitting sound waves D.balance
Answer:
B. Hearing.
D. Balance.
Explanation:
The ears are organs that provide two main functions: hearing and balance that depend on specialized receptors called hair cells.
what animal has the strongest sense smell
Answer:
I think African Elephant
Which animal has the strongest sense of smell?
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It has been scientifically proven that African elephants have the strongest sense of smell.[tex]\bold{ \green{ \star{ \orange{Mystique35}}}}⋆[/tex]
Describe three different measures that can be obtained from a single age distribution graph comparing males and females of a given population. (please answer quickly and give a good answer with an explanation)
Answer:
it can show a population pyramid
They also show the number of dependents (children and, sometimes, elderly people) and general structure of the population at any given moment.
it compares and contrast the age of th female and male where it typically forms the shape of a pyramid when the population is growing which can give you a general idea on both genders
it can help see who (female or male) are the most type in that area
hope thsi helps!
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A population of wolves migrates north in search of food. As the wolves travel, they enter a region that has long, snowy winters. Some of the wolves have an allele that gives them white coats. This makes them better able to sneak up on prey.
1. Which type of wolf is selected for in this new ecosystem?
2. Has genetic diversity helped or hurt the survival of the wolf population? Explain.
help with biology please
Answer:no
Explanation:picture
Answer:
i think its number 1
hope that helps!
La coordinación nerviosa controla funciones de sensibilidad y respuesta inmediata ante los estímulos recibidos. Una de las funciones primordiales de la médula espinal se concentra en:
a)regular la temperatura corporal
b)controlar el sueño y la vigilia
c)el arco reflejo
d)la memoria
Which of the following is an example of succession?
A.a pond changing into a meadow
B.spring changing into summer
C.a tadpole changing into a frog
D.day changing into night
Answer:
A tadpole changing into a frog is an example of succession.
Explanation:
C is the answer.
A backyard pond has 5 kol (goldfish), rocks, lily pads, water, algae, and a water pump.
Which parts of this ecosystem would be the non-living parts:
Which parts would you consider to be a population?
Which parts would you consider to be a community?
Answer:
Non-living/abiotic parts of this ecosystem would be the water, rocks, and water pump.
The 5 Koi fish would be considered a population as they are a group of individuals of the same species living within an area.
The fish, the lily pads, and the algae would be considered a community. All of these organisms are interacting with each other to make the community healthy.
At transform fault boundaries plates moving in opposite directions have a tendency to get stuck resulting in the build-up of large amount of what?
Answer:
The correct answer is - energy.
Explanation:
Transform fault boundaries are the plates that move one past another without causing damage or destruction to the crust, these form when two plates move in the opposite direction or in the same direction.
At transform fault boundaries plates moving in opposite directions have a tendency to get stuck which leads to a high amount of energy formation. There is no damage or destruction that takes place nothing occurs but earthquakes along with the fault.
With a tension pneumothorax, which factors contribute to severe hypoxia?
a. decreasing compression of the inferior vena cava
b. more air leaving the pleural cavity on expiration than enters with inspiration
c. shift of the mediastinal contents toward the affected lung
d. continually increasing pressure on the unaffected lung
Answer:
answer is d.
Explanation:
i dont know answer
Why do scientists only test one independent variable in an experiment?
the lacteal is responsible for the transport of
A. Fats
B. Blood
C. Protons
D. carbohydrates
Answer:
Lacteal is a lymphatic capillary that absorbs dietary fats in the villi of the small intestines. The lacteals merge to form larger lymphatic vessels that transport chyle to the thoracic duct where it is emptied into the blood stream at the subclavian vein.
hope it helps
A functional or physiological adaptation:
A. Is a physical feature of an organism that helps it survive
B. Allows an organism to perform special functions within the body
C. Is a behavior that is taught after birth
Answer:
A trust me.
Explanation:
are you functional adaption is an adaption that helps an organism survive in a certain environment, typically altered by a physical stimuli, dietary changes, or injury.
Answer:
yes behavior is taught after birth
Adenosine Triphosphate (ATP) is...
A. An energy storage molecule that cells use as energy 'currency'
B. A DNA molecule responsible for storing genetic information
Answer:
The answer is A, an energy storage molecule that cells use as genetic currency
Answer:
A. An energy storage molecule that cells use as energy 'currency'
Explanation:
Adenosine Triphosphate (ATP) is an energy storage molecule that cells use as energy 'currency'.
