¿Qué tipo de célula apareció primero en la Tierra?:___, y se presentan en seres vivos como las:___ y se caracterizan porque:___. *
Answer:
Célula procariota y procariotas.
Explicación:
La célula procariota es un tipo de célula que apareció por primera vez en la Tierra hace unos mil millones de años. Estos tipos de células están presentes en los procariotas, lo que significa que estos organismos no tienen un núcleo verdadero o una membrana nuclear alrededor del núcleo y otros orgánulos de la célula. El ADN del organismo procariótico se encuentra en una parte central de la célula que se conoce como nucleoide. La pared celular de un procariota actúa como una capa adicional de protección, ayuda a mantener la forma y estructura celular y previene la deshidratación.
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In a short essay, describe your environment. (Please be specific to you, and be sure to include biotic and abiotic factors
Try to be descriptive and list several examples of living and non-living parts of the environment as you can. Be sure to include information on the number of people, types of structures, weather, climate, and local flora and fauna. Also try to write in a way that helps someone who has never met you understand where you live. (Imagine you are writing for a student from another country like Australia who is also studying environmental science.)
Answer:
biotic is like your cat, the bugs and every living tiny bacteria, but don't get me started on viruses.
abiotic, your food processor, your wall, your hair cells are not technically part of you since you can live with-out em.
Explanation:
yes
52) Which subject that we have studied does not have a kingdom classification?
53) What is the classification name of the Spanish flu?
54) What is the classification name of the Asian flu?
55) What is the classification name of the Hong Kong flu?
56) What is another name for polio?
57) Who found the first clinical polio case?
- 58) What disease can sometimes cause an enlarged spleen?
- 59) What virus travels through tiny breaks in the skin?
- 60) Who reigned in England from 1837 - 1901?
- 61) What is the earliest surviving valentine dated?
62) What represents beauty and youth?
-63) Dark crimson represents what?
64) Archaebacteria is comprised of Halophiles, Thermophiles, &?
65) What is in the shape of a sphere?
.66) What shape is a bacillus?
67) What shape is a spiral?
-68) Who developed Gram staining?
69) What color is Gram +?
-70) What color is Gram - ?
71) What is the only common thing among protista?
72) What type of protista are Sarcodinians, Zooflagellates, Ciliophorans, & Sporozoans?
73) What protista make up the white cliffs of Dover?
-74) What do amebas use to move?
75) What do protista form to survive harsh conditions?
76) What causes malaria?
77) What protista are covered with silica?
78) What resemble both algae and protozoans?
79) What are green algae called?
80) What is the translation of Rhodophyta?
81) What is an example of red algae?
82) What is the name for brown algae?
-83) What is the name for an algae's spore producing stage?
84) What fungus has a Plasmodial feeding stage?
85) What causes African sleeping sickness?
86) What is a poison in shell fish?
87) What is used to thicken soups?
88) What are the most typical unicellular fungi?
89) What are the most typical multicellular fungi?
90) What supports the cap of a mushroom?
91) What protects a mushroom's spores?
92) What is a name to say how fungi eat?
93) What is the name for common molds?
94) What is the name for club fungi?
ime for a sac fungi?
Answer:
e
Explanation:
Which scenario would most likely result in cooperative hunting?
Answer:
scenario that would most likely result into cooperative hunting is where there are few and limited number of rabbits in an area, and as such, it is difficult to hunt rabbits due to scarcity. In order to increase their chances of catching rabbits, wolves in that area would cooperate together and hunt in packs.A(n) ________________________is all of the individuals of one species that live together in one place at one time.
A population is all of the individuals of one species that live together in one place at one time.
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A force of 200N is applied to an object with a mass of 15kg. What is its acceleration?
Answer:
Force = mass x acceleration
So Acceleration = Force / mass
Given,
Force= 200 N
Mass = 15kg
SO, Acceleration= 200/15 m/s
=13.33 m/s
This type of gland may be associated with polythelia
O A. Merocrine gland
B. Sebaceous gland
C. Apocrine gland
D. Mammary gland
E. Ceruminous gland
Answer:
functions with the mammary gland
Explanation:
D
what effect will an invasive species have on the carrying capacity of an ecosystem?
a) the carrying capacity will increase for those in competition
b) the carrying capacity for all animals will stay the same
c) the carrying capacity for everyone will decrease and then increase rapidly
d) the carrying capacity will decrease for those in competition for same resource
The effect an invasive species will have on the carrying capacity of an ecosystem is the carrying capacity will decrease for those in competition for same resource.
What is invasive species?An invasive species refers to an organisms such as amphibians,plant, insect, fish, fungus, bacteria that is not native to an ecosystem but it is introduced into the ecosystem and causes harm to the native species. They can harm the environment and also humans.
Therefore, The effect an invasive species will have on the carrying capacity of an ecosystem is the carrying capacity will decrease for those in competition for same resource.
Learn more about invasive species below.
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Which process produces two genetically identical diploid cells?
A. Mitosis
B. Meiosis
C. Mitosis 11
D. Meiosis 11
Answer:
I believe it is A. Mitosis
Explanation:
What is the role of the respiratory system in the body?
Viruses can't replicate without a host cell.
A. True
B. False
Answer:
True
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Explanation:
Viruses cannot reproduce by themselves, they must have a living host cell in order to multiply.
If the activation energy required for a chemical reaction were reduced, what would happen to the rate of the reaction?
The rate would increase.
The rate would decrease.
The rate would remain the same.
The rate would be zero.
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A. The rate would increase
The data table below shows the presence or absence of DNA in four different cell organelles.
Information in the table suggests that DNA functions
A. within cytoplasm and outside of the cell membrane
B. both inside and outside of the nucleus
C. only within energy-releasing structures
D. within cell vacuoles
What is the main function of the nervous system? How does it do its main job? (USE YOUR OWN WORDS)
Answer:
The nervous system is the major controlling, regulatory, and communicating system in the body.
Explanation:
It is the center of all mental activity including thought, learning, and memory. Together with the endocrine system, the nervous system is responsible for regulating and maintaining homeostasis.
One can conclude that the are benefited by the . The triggerfish are
Answer:
• One can conclude that the Small Fishes are benefited by the Titan Triggerfish.
• The Triggerfish are Neither Harmed Not Helped.
;)
How do fossils demonstrate evidence of evolution?
A. They show that ancient species share similarities with species now on Earth.
B. They show evidence of species that are now extinct.
C. They are the primary source of evidence of natural selection.
D. Fossils reveal that many species have remained unchanged for millions of years.
Answer:
A
Explanation:
A is the answer because it shows that evolutionary change over time
all of the following are part of the three principles of natural selection except
A.) competition
B.) variation and adaptation
C.) fitness
D.) genetic recombination
Answer:
D: genetic recombination
Explanation:
Answer:
D: genetic recombination
mars has ice caps containing frozen CO2 and H2O, and little to no atmosphere. It’s lack of atmosphere causes it to very hot in the day and very cold at night. Which of the following would not occurs on mars if the ice caps are heated to a gas?
A. Increased greenhouse gases
B. Less extreme temperature differences between day and night
C. Cooling of the planet
D. CO2 Gas available to grow plants
Answer:
d
Explanation:
What differences exist in attitude between rangers of past times and those of the current day?
What is the main difference between a scientific law and a theory?
Answer:A scientific law is something that will happen 100 percent of the time
but a thoery is something u think will happen like a hypothsis
Explanation:
Elaborar un Mapa Conceptual con datos cualitativos y cuantitativos procesados sobre los cromosomas, la terminología genética y caracteres hereditarios.
Answer:
Los cromosomas son componentes de células complejas (eucariotas) en las que se almacena la información genética necesaria para la herencia de propiedades. Un cromosoma contiene ácido desoxirribonucleico (ADN), en el que se codifican los genes, así como varias proteínas, especialmente histonas. En los organismos eucariotas, que incluyen plantas, hongos, animales y, por tanto, también seres humanos, los cromosomas son componentes regulares en el núcleo celular.
Some resources are considered limited. These resources are renewable if they are used carefully. Which of these is an example of a limited resource?
A. Aluminum
B. Geothermal energy
C. Solar energy
D. Fertile soil
Answer:
Fertile soil
If soil erosion becomes so large then the soil will lose fertility.
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Neptune was discovered because of ______ instead of observation
Answer:
Neptune, generally the eighth planet from the sun, was postulated by the French astronomer Urbain-Jean-Joseph Le Verrier, who calculated the approximate location of the planet by studying gravity-induced disturbances in the motions of Uranus.
Cual elección mejor resume el resultado del experimento de Redi?
Redi definió con precisión la palabra vivo.
Redi refutó la generación espontánea.
Redi demostró que las moscas provienen de carne podrida.
Redi demostró que los seres vivos pueden provenir de cosas no vivas.
DONE
If there are 400 dark moths in a population of 1200 and 800 light moths, what are the frequencies of each trait?
Nonmetals are defined as elements that generally cannot
conduct _____
and are poor conductors of heat.
Answer:
they can not conduct electricity
Non-metals are defined as elements that generally do not conduct electricity and are poor conductors of heat.
What are elements?
It is defined as a substance which cannot be broken down further into any other substance. Each element is made up of its own type of atom. Due to this reason all elements are different from one another.
Elements can be classified as metals and non-metals. Metals are shiny and conduct electricity and are all solids at room temperature except mercury. Non-metals do not conduct electricity and are mostly gases at room temperature except carbon and sulfur.
The number of protons in the nucleus is the defining property of an element and is related to the atomic number.All atoms with same atomic number are atoms of same element.
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Humans grow, develop, and heal because cells can reproduce themselves. This cellular reproduction is called ______________. *
How could an error during transcription affect the protein that is produced
Answer:
The protein might be unable to function if an error during transcription occurs. Explanation: During transcription, the mRNA is formed. If the error encountered in the transcription, mRNA formed would be a transient one and would eventually get degraded.
Explanation:
‼️I NEED HELP WITH THIS RIGHT NOW⁉️. A student is trying to determine if a solution is acid or basic. She does not have any litmus paper. Which would she most likely use to get a reading on her solution? Vinegar, soap, cabbage juice, aquarium water.
Answer:
Cabbage juice
Explanation:
Red cabbage has pH indicator pigment. It changes color when mixed with acid or basic solution.
For acidic solution, the juice turns red.
For neutral, it shows purple color.
For basic solution have pH 8-9 : Blue
pH 10-11: Green
For strong basic solutions: yellow in color.
Answer:
C.
Explanation:
In which phase of cell division does the DNA exist as chromatin
