I have a couple biology questions!!
25. How do the excretory systems of animals that secrete uric acid differ from those of animals that excrete urine?
34. Explain why maintaining water balance is part of the process of excreting nitrogenous wastes.
thanks!!
Answer:
25.Nitrogenous wastes in the body tend to form toxic ammonia, which must be excreted. Mammals such as humans excrete urea, while birds, reptiles, and some terrestrial invertebrates produce uric acid as waste. Uricothelic organisms tend to excrete uric acid waste in the form of a white paste or powder.
34.The excretory system removes cellular wastes and helps maintain the salt-water balance in an organism. In providing these functions, excretion contributes to the body's homeostasis, the maintenance of constancy of the internal environment. When cells break down proteins, they produce nitrogenous wastes, such as urea
Why is Venus the hottest solar system planet?(1 point)
It has abundance of nitrogen and oxygen gases.
It is closest to the sun.
Its atmosphere is rich in carbon dioxide gas.
It has a core, a mantle, and a crust.
Answer:
I think that it is closest to the sun.
Explanation:
it is the second closest planet to the sun.
Venus the hottest solar system planet because it is closest to the sun. Thus, option B is correct.
What is solar system?
The solar system is defined as a system which is gravitationally bound of the sun and orbit is occupied by object. The formation of solar system takes place 4.6 billion years ago and this happens due to gravitational collapse of a giant molecular cloud. The most and wast majority of the systems mass in the sun and other part of mass contained by the planet jupiter.
The solar system contain total 8 planet in which 146 moon, asteroid and space rocks, a number of dwarf planet such as pluto. The most and vast majority of the systems mass in the sun and other part of mass contained by the planet jupiter. Italian astronomer Galileo Galilei discovers solar system. The solar system is defined as a system which is gravitationaly bound of the sun and orbit is occupied by object.
Therefore,Venus the hottest solar system planet because it is closest to the sun. Thus, option B is correct.
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A scientist is studying the population of a particular species of beetle in an ecosystem. The beetles currently have an estimated population of 11,500 individuals on a wildlife preserve of 115 hectares. (One hectare is equal to 2.47 acres of land.) The scientist calculates the carrying capacity at 14,600 individuals.
PART B
What will likely happen to the population of these beetles during the next year if the resource level stays the same? Explain your answer.
PART C
These beetles have a uniform distribution. In year 1, how many beetles are there per hectare? How many beetles per hectare were there in the year the beetles reached carrying capacity? Round up or down to the nearest whole number, if necessary.
PART D
During the year the beetles reached carrying capacity, a flood in the region decreased the population to about 77 beetles per hectare. What is the total estimated population of the beetles after this disaster? What percentage of the carrying capacity is the population now?
PART E
Over a period of time, the beetles once again reached carrying capacity and sustained it for many years. However, pollution from a nearby factory leaked into the ecosystem, making 55 hectares of the land uninhabitable to the beetles. Predict how the estimated carrying capacity will change and explain your reasoning for your estimation.
Need it by the 30th plz!!
Answer:
hope it is help full
Explanation:
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how many bones are there in donkey
Answer:
205 bones
Explanation:
Donkeys and horses share the same skeletal system. Donkey’s bones are slow to mature in diameter and length.
1)why stomata genrally opens during day time ?
2)which parts of plant intake CO2 and give out O2 , takes in O2 and give out CO2 during day time ?
A disadvantage of sexual reproduction in plants is
Answer:
These are some of the disadvantages of sexual reproduction: time and energy are needed to find a mate.
hope this helps!
A disadvantage of sexual reproduction is the fact that ADDITIONAL ENERGY is required to complete a life cycle.
Sexual reproduction can be defined as a type of reproduction that involves a complex life cycle in which germinal haploid cells called gametes combine to produce a diploid (2n) cell called the zygote.Subsequently, this zygote then divides to produce an adult organism.In plants, the most important disadvantage of sexual reproduction is that energy is required to complete a complex life cycle (i.e., zygote development).The diploid (2n) multicellular stage in the life cycle of a plant is known as the sporophyte.In conclusion, a disadvantage of sexual reproduction in plants is that ADDITIONAL ENERGY is needed to complete a complex life cycle.
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if the refractive index of diamond is 2.42 Find it's critical angle
Answer:
Critical angle is 24.4°
Explanation:
[tex]n \sin(c) = 1[/tex]
n is refractive index
c is critical angle
[tex]{ \sf{2.42 \times \sin(c) = 1}} \\ { \sf{ \sin(c) = \frac{1}{2.42} }} \\ \\ { \sf{ \sin(c) = 0.4132}} \\ { \sf{c = \sin {}^{ - 1} (0.4132) }} \\ { \sf{c = 24.4 \degree}}[/tex]
Which of these blocks harmful untraviolet rays from the sun
Answer:
A hat? or Sunscreen?
Explanation:
I really don't know which one works better
Which statement best represents how structure relates to function
Answer:
Butterfly cocoons are often camouflaged
Explanation:
hope it help goodluck (◕ᴗ◕✿)
7. Robert Koch is credited with the discovery of Mycobacterium tuberculosis in 1876.
A. True
b. False
Answer:
falso
Explanation:
How does the structure of a seed help to ensure the growth and
survival of the plant?
Fill in a Punnett Square for a heterozygous male parent and a heterozygous female parent. Male - X Female - Ee X Ee
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Process A → Decaying / Decomposition
Process B → Nitrification
The root nodules are important in the nitrogen cycle as they help in intaking of nitrogen and other minerals like phosphorous, potassium, sodium etc. from the soil.
Hope it helps you
Please help I will make brain list
Answer:
light reflection
Explanation:
often seen by sunlight to windows
which prefix is correctly defined
A. mer- one
B. poly - many
C. mono - large
Answer:
The answer is letter B
Explanation:
Learned about this in class so i know that mono means one and poly means many
Answer:
B. poly - many
Explanation:
Poly means more than one in examples:
polygamy - the practice or custom of having more than one wife or husband at the same time.
polyamine - an organic compound having more than two amino groups
polyaxon - a nerve having several axons
I hope this is helpful :)
Amoeba sisters:video recap biomolecules
State three factors that influence the movement of molecules though membrane.
Answer:
Thickness of membraneTemperature and pressure Concentration gradienthow many molecules ofco2 are produced when krebs cycle operates once
Answer:
2
Explanation:
Products and Functions of the Krebs Cycle
For one cycle, two molecules of carbon, three molecules of NADH, one molecule of FADH2 and one molecule of ATP or GTP are produced.
Which compound is a reactant of both cellular respiration and dehydration synthesis? (1 point)
O glucose
O oxygen
O water
O ATP
Answer:
glucose
Explanation:
I had a test with this, and it was glucose.
Glucose is a reactant of both cellular respiration and dehydration synthesis
WHAT IS CELLULAR RESPIRATION?
Cellular respiration is the process by which living organisms obtain energy from organic sources. Cellular respiration combines glucose and oxygen as reactants to form carbon dioxide (CO2), water (H2O), and energy.WHAT IS DEHYDRATION SYNTHESIS?
Dehydration synthesis is a reaction whereby two smaller molecules come together to form a larger molecule with the loss of water. An example of dehydration synthesis reaction is the formation of starch from the reaction of glucose molecules with the loss of water.Therefore, glucose is a reactant of both cellular respiration and dehydration synthesis.
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Em algumas células encontramos organelas denominadas cloroplastos, que são responsáveis pelo processo de fotossíntese. Essas organelas são encontradas em:
A) células bacterianas
B) células vegetais
C) células procariotas
D) células animais
Answer:B celulas vegetais
Explanation:
Os cloroplastos são organelas que ocorrem apenas nas células de vegetais e algas e são ricas em clorofila, um pigmento de coloração verde. Elas estão relacionadas com o processo de fotossíntese e, nas plantas, são encontradas principalmente nas folhas.
6. One of the big ideas in science is that an experiment can be __________________.
explain the location , structure and function of kidney in human beings
[tex] \huge \mathrm{Answer}[/tex]
Kidney :
Location :
kidney is present in the back of our abdomen, on each side of our vertebral column.
Structure :
It has a bean shaped structure consisting of three main sections Outer renal cortex, Inner renal medulla and Renal pelvis.
( It is composed of cells known as Nephron )
Function :
The main function of kidney is to remove waste products and excess water from our body, thus maintaining overall fluid balance. and it also regulates and filters minerals from blood.
I hope it helped...
How are meiosis and mitosis similar
Answer:
they both produce new cells
Answer:
Explanation:The biggest similarity between the two is that they both produce new cells. ... Both mitosis and meiosis begin with a single parent cell which eventually splits to form new daughter cells. They also both are preceded by interphase, a period of growth (sometimes lasting up to 90% of the cell's life) when DNA is synthesized.
where does glycolysis take place in a cell?
One strand of a DNA molecule has the base sequence GAGTTA. The complementary base sequence on the other strand of DNA will be
O CTCAAT
O CUCAAU
O UCUGGC
ОТСТААС
One strand of a DNA molecule has the base sequence GAGTTA. The complementary base sequence on the other strand of DNA will be CTCAAT
The base pairs in a DNA(Deoxyribonucleic acid) molecule consists of 4 base sequences namely:
AdenineGuanineCytosineThymineEach base has a complimentary base sequence which it binds to during DNA formation as it helps to make the nucleotides stable.
Adenine has a complimentary base of Thymine while Guanine has a complimentary base of Cytosine and vice versa.
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pls help with this question guys
Answer:
I'm pretty sure its C
Explanation:
the other options aren't as good as the other options.
What is Earth's largest continent? ...
2) What razor-thin country accounts for more than half of the western coastline of South America? ...
3) What river runs through Baghdad? ...
4) What country has the most natural lakes? ...
5) What is the only sea without any coasts? ...
6) What percentage of the River Nile is located in Egypt?
Answer:
Earth's largest continent is Asia.Chile accounts for more than half of the western coastline of South AmericaThe Tigris River runs through Baghdad.Canada has the most natural lakes.The Sargasso Sea is the only sea without any coasts.22% of the River Nile runs through Egypt.did you find any biases or opinions in this article? explain your answer (this is science)
Answer:
Yes. The doctor said that it was difficult to tell parents that medicine is not very effective in treating coughs. So, he had a bias or an interest in finding something that would work for his patients.
Carbon is most abundant in the and .
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10. Using the map above, which city will the cold front pass through in the next 24 hours?
F. Atlanta
G. Miami
H. Houston
J. Boise
Answer:
F. Atlanta
Explanation:
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