BIOLOGY HIGH SCHOOL

Which is correctly expressed?A. toco cartas
B. juego el violín
C. juego fútbol
D. toco béisbol

Answers

Answer 1
Answer: The option that is correctly expressed is C. juego futbol. 
The verb toco means to touch, so this cannot be correct. And the verb juego is used with sports, so you cannot use it for instruments. 

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Science is an impure and biased field. t/f
What is the primary function of chloroplasts?
How do scientist explain the incomplete fossil record? A) The fossil record is limited to fossilized animals and the absence of fossilized plants. B) Stasis occurs when the structure of a species in the fossil record does not change over a long period of time. C) Not all organisms become fossils. Processes like erosion and mountain building can change rock layers, causing fossils to be spread over multiple layers or destroyed. D) The adaptive radiation of mammals helps explain a rapid increase in mammal diversity of the fossil record after a mass extinction.
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If element X has 18 protons, how many electrons does it have?

Answers

18 electrons. The element is electrically neutral. it has as much protons as electrons
18 as well, I believe.

One of the reasons for the success of the smallpox eradication campaign was thata. smallpox viruses were used in the vaccine.
b. smallpox was not a transmissible disease.
c. smallpox occurred only in humans.
d. smallpox occurred only in south america.
e. smallpox could be treated with antibiotics.

Answers

One of the reasons for the success of the smallpox eradication campaign was that small pox only occurred in humans. Smallpox is an extremely contagious and deadly virus for which there is no known cure. it is caused by two variants, Variola major and Variola minor. it is a disease of the past that was eliminated by worldwide vaccination. 

Why do living things use enzymes instead of heat as a source of activation enegry

Answers

Generating heat in order to start a reaction uses energy to begin with.  Enzymes however reduce the activation energy and can only function (usually) within a narrow temperature range, using less energy.  Enzymes are used because they are more efficient.

What term includes all the biotic and abiotic elements in an area? A)ecosystem
b. population
c. biome
d. organ

Answers

Answer:

The correct answer would be A) ecosystem.

Ecosystem refers to the community made up of all the living organisms (biotic component), their physical environment and all their interactions in a given space.

The biotic and abiotic components of the ecosystem are linked with the help of energy flows and nutrient cycles.
A)ecosystem - this is true! an ecosystem includes both living and non-living objects in a system!
b. population - this is only biotic: a population is a group of organisms, and organisms are biotic
c. biome - this is also only biotic: it's a large community of plants and animals over a large area
d. organ- this would be only biotic (parts of living organism)

The closest algal relatives of land plants are __________.

Answers

It seems that you have missed the necessary options in order for us to answer this question so I had to look for it. Anyway, here is the answer. The closest algal relatives of land plants are called CHAROPHYTES. Hope this answers your question. Have a great day!

Final answer:

The closest algal relatives of land plants are Charophytes, as both share many distinctive features including similar metabolic pathways and the presence of cellulosic cell walls.

Explanation:

The closest algal relatives of land plants are the Charophytes. This group of green algae shares many distinctive features with land plants such as similar metabolic pathways, sequence of DNA, RNA and proteins, and the presence of cellulosic cell walls. Additionally, in both Charophytes and land plants, the sperm structure is the same which further supports their close relationship. However, it is important to remember that Charophytes remain aquatic, and although they are close relatives, they do not represent a transitional stage to terrestrial plants.

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Which is a journal in which scientists publish original, scholarly research?Popular Science

Science

Scientific American

Natural History

Answers

The answer is Science. Science is one of the most respected scholary journals where scientists can publish their work after they have written up a manuscript. However, publishing in Science is not easy. Once the authors of a certain proposed paper write it and send it to the editors, the paper itself undergoes a process called double blind peer-review, where their paper is being fact-checked and otherwise scrutinized by multiple researchers of their field in order to maintain a very high quality level of the papers that are being published in Science. 
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