Answer: These changing quantities are called variables. A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled. The independent variable is the one that is changed by the scientist.
Explanation:
help pls
Many populations exhibit the following growth curve.
Which statement(s) below accurately are describing the growth as shown on the graph. NOTE: There is MORE THAN ONE correct answer. Choose ALL that apply.
Select 3 correct answer(s)
Question 5 options:
Phase B of the graph is showing a population that has reached its carrying capacity.
When both phases of the graph are looked at together, it shows logistical growth of a population after growing exponentially and reaching its carrying capacity .
Phase B of the graph is showing exponential growth only.
The entire graph shows two organisms competing for space.
Phase A of the graph is showing exponential growth only.
Many populations exhibit the following growth curve.. Here option 1, 2, 3 are correct which describe the growth. Phase B of the graph is showing a population that has reached its carrying capacity.
What is carrying capacity ?
The carrying capacity of the individual is the maximum number of population size of the species in a sustainable environment which is indefinitely reach up to the limit of no further growth.
Carrying refers to support and Capacity means it is the ability of an organism to reproduce the maximum output, when population reaches the limit of carrying capacity then the mortality will be greater than natality.
The importance of Carrying capacity is mainly focused on the concept of sustainability, imbalance in the environmental and Global warming which are the causative agent, eradication of poverty and practices are also increase the importance of carrying capacity.
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good morning
define filtration process
Answer:
Good morning
Have a great day ahead.
❤❤
Answer:
Filtration is the process of separating suspended solid matter from a liquid, by causing the latter to pass through the pores of some substance
Please help me..
Please answer correctly
Answer:
See the procedure given in the attachment
Which of the following is an example of a proper fraction?
A.6/6
B.15/2
C.11/10
D.4/17
2. What is the pH of a very acidic solution?
a:5
b:10
c: 1
d:14
5. A hungry person had a meal, after which the concentration of glucose and amino acids in the blood were determined. This was measured hourly as the blood passed through the hepatic portal vein and the iliac vein in the leg. The results were as shown in the table below. Time (Hrs) Concentration of contents Hepatic portal vein (Mg/100ml) Glucose Amino acids Glucose 85 1.0 1 85 1.0 85 140 1.0 125 1.5 3 130 1.5 110 3.0 4 110 1.5 90 5 90 3.0 90 6 90 2.0 90 7. 90 1.0 90 in Concentration of contents in the iliac vein of the leg (Mg/100ml) Amino acids 85 1.0 1.0 1.0 ou WNHO 2.0 1.0 1.0 a) Using the same axes draw graphs of concentration of glucose in the hepatic portal vein and the iliac vein in the leg against time (7mks) b) Account for the concentration of glucose in the hepatic portal vein from; i) 0-1 hour (2mks) ii) 1-2 hours (3mks)
Answer:
sorry for doing this but in my opinion doubt nut app is better then this
Answer:
wait im confuse?
Explanation:
identify iron by its properties
Iron is a lustrous, ductile, malleable, silver-gray metal (group VIII of the periodic table). It is known to exist in four distinct crystalline forms. Iron rusts in damp air, but not in dry air. It dissolves readily in dilute acids.
Standard potential: - o.44 V (Fe2+/ Fe); 0.77 V ...
Density: 7.8 g.cm-3 at 20°C
Melting point: 1536 °C
Ionic radius: 0.076 nm (+2); 0.064 nm (+3)
write 4 over 6 in expanded form
Answer:
4 + 0/ 6 to the 1st power
Describe the mammalian heart
Answer:
The heart is divided into four chambers consisting of two atria and two ventricles; the atria receive blood, while the ventricles pump blood. The right atrium receives blood from the superior and inferior vena cavas and the coronary sinus; blood then moves to the right ventricle where it is pumped to the lungs.
Cells are made of organelles, specialized structures that each perform specific functions that help the cell maintain homeostasis. This is much like the body systems work together to help the body maintain homeostasis. Consider the function of the nervous system. Which organelle is most similar in function?
Answer:
Organelles serve specific functions to keep a cell alive.
Explanation:
Organelles are specialized structures that perform various jobs inside cells. The term literally means “little organs.” In the same way organs, such as the heart, liver, stomach, and kidneys, serve specific functions to keep an organism alive, organelles serve specific functions to keep a cell alive.
Answer: D i just took the test
Explanation:
I will give branliest
5. Read the sentence, find the error and rewrite it.
Trypsin secreted by salivary glands digests the carbohydrates and it is also
called as Salivary amylase
Salivary amylase is a glucose-polymer cleavage enzyme that is produced by the salivary glands.
Need the answers due in a hour
Answer:
1) Description of coal:
2)Benefits of using coal for electricity
3)Negative consequences of using coal:
Explanation:
1)Coal is a black rock formed by decomposing organic material over millions of years.
2)Coal contains more energy and it is also cheaper than other fossil fuels.
3)Using coal releases more carbon dioxide than other fossil fuels and fosil fuel alternatives, causing damage to land, water and air.
The production of offsrpings is a charatericities of life that enables the continuation of a species.
Answer:
"Reproduction" is a characteristic of life that enables the continuation of a species
Explanation:
I hope it helped
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HELP!!! TIMED TEST!!! The chart shows four articles read by the students in a science class. Which claim has the greatest support?
A The Journal of Health: smoking can cause adverse effects on the lungs
B The Daily News: Vitamin supplements help increase food absorption.
C and D look untrustworthy.
Answer:
IT IS A I THINK
Explanation:
Describe an alternative name for Enzymes. Explain why is this an appropriate term?
What part of the chloroplast does the
Calvin Cycle take place?
stroma
thylakoid
grana
Answer:
stroma :)))).... ... this is correct
amoeba sisters: cellular respiration
In the nitrogen cycle,which of the following conversions is carried out by nitrifying bacteria?
Answer:
Nitrifying bacteria carry out aerobic biological ammonia (NH3) oxidation to nitrate (NO3−) pls mark me branilest
How does the field of science gain knowledge and understanding
O by using the latest technologies
O through the testing of hypotheses
O by making value judgments
O through deductive reasoning
Science gains knowledge and understanding through the testing of hypotheses.
A hypothesis is a given explanation of a particular phenomenon from the real world, which is tested (i.e., either verified or rejected) by using the scientific method.The scientific method is a methodology based on experimental and observational procedures that allow obtaining and interpreting empirical evidence.Subsequently, the evidence obtained from experimentation and/or observation is assessed in order to accept or reject the working hypothesis.Learn more in:
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Answer:
through the testing of hypothese.
Explanation:
Question 5 (1 point)
About what percent of water is usable by humans and other members of the
biosphere.
17%
33%
0 72%
1%
%
Answer:
0.72% or 1%
information differs from source to source so it's difficult to find a percentage that everyone agrees on
How do plant and animal breeders
use the process of artificial
selection to increase productivity
in their crops and herds?
A. The breeders choose organisms with the most
desirable traits and breed them.
B. The environment selects the traits that are
passed on, and the breeders have no control over
it.
C. Artificial selection is a theory and does not
work, so breeders do not use it.
A animals and plants have sources
I think
Selective breeding is the practice of pairing parents who share particular features in order to produce offspring who have a greater number of desirable traits.Thus, option A is correct.
What plant and animal breeders process artificial selection?Selective breeding is the practice of pairing parents who share particular features in order to produce offspring who have a greater number of desirable traits. Humans have carefully selected a wide range of plants and animals for thousands of years, including agricultural species with higher yields.
Instead of allowing the species evolve spontaneously without human involvement, as in natural selection, people chose animals or agricultural products based on desirable qualities, a practice known as "selective breeding,” or artificial selection.
Therefore, The breeders choose organisms with the most desirable traits and breed them.
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Which variable responds to the changes of the independent variable? A-independent B-causation C-dependent D-Controlled
Answer:
The dependent variable
Explanation:
The independent variable is always changed by the scientist, and what happens then is known as the dependent variable because it depends on the indépendant variable!
Describe how scientific investigations lead to new scientific questions.
Answer:
Scientific investigations produce evidence that helps answer questions and solve problems. If the evidence cannot provide answers or solutions, it may still be useful. It may lead to new questions or problems for investigation. As more knowledge is discovered, science advances.
Son elementos que se refiere a las personas que conviven o trabajan prestando sus servicios en un espacio turístico,rural o en una cuidad como los q es posible analizar en la imagen
A: Económicos
B:Sociales
C:Culturales
D: Naturales
Los elementos que se refieren a las personas que conviven o trabajan prestando sus servicios en un espacio turístico, rural o en una cuidad , son los elementos económicos.
Por lo tanto, la respuesta es A) Económicos.Son económicos porque esas personas trabajan en el sector turístico rural o citadino.Eso significa que su trabajo genera un ingreso y produce un pago como retribución a su salario.El sector turístico mueve mucho dinero y es un gran generador de impuestos para el Estado.Por esa razón lo consideramos un elemento económico.Podemos concluir que -a pesar de que se te olvidó incluir la imagen a la que se refiere la pregunta- el turismo es una de las principales actividades económicas de un país
El turismo es una actividad que permite el ingreso de millones de dólares a través de los turistas que visitan una nación.
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Approximately what amount of the Earth's surface area is covered by water?
A) two thirds
B) four seventh
C) three fourths
D) one eighth
Answer:
three fourths
Explanation:
circle the term that does not belong in each of the following groups, and briefly explain why it doesn't belong rock, cells, metabolism, growth
Answer:
Rock
Explanation:
Rock doesn't belong in the group because it's a non-living thing. It can't reproduce like cells do, it can grow (growth means ability to increase in size, height) and it can't undergo metabolism.
differentiate between larva of culex mosquito and that of anopheles mosquito on the basis of feeding habit
Answers in the image
Hope it helps!
Explanation:
•larva of culex mosquito is bottom feeder where is Lava of anopheles mosquito is surface feeder
• Culex mosquito respiratory siphon is long whereas a the anopheles mosquito respiratory siphon is short
•Culex mosquito form an angel inside water whereas anopheles mosquito remains of parallel with water surface
Non example of a neutron
Answer:
isotope of the element hydrogen called protium. Protium,
Explanation:
contains a single proton and a single electron, is the simplest atom.
??? hope this helps??? :)))
Which characteristic should describe all evidence collected by a scientist?
Answer:
creativity, curiosity, Logical
Someone plz help me :(
Answer:
c
Explanation:
