BIOLOGY HIGH SCHOOL

The U.S. Fish and Wildlife service is responsible for protecting _______.a. migratory birds
b. endangered species
c. aquatic species
d. all of the above

Answers

Answer 1
Answer: The answer is D. Not only is the Fish and Wildlife service responsible for protecting endangered species. their mission is also includes conservation and making sure wildlife has a safe place to exist. This includes birds that fly, live underwater, and roam on the ground.
Answer 2
Answer:

Answer:

The correct answer would be d. all of the above.

There are three basic functions of the U.S. Fish and Wildlife Service:

  • It assists the application and development of the organization which supervise or take care of environmental ethic for the society. It is based on the scientific knowledge (about wildlife and fish), ecological principles, and moral responsibility.
  • It guides the development, management, and conservation of resources of fish and wildlife of the nation.
  • It administers the national program to provide opportunities to people to understand, appreciate, and use wisely the fish and wildlife resources.

Thus, they not only protects fish but also other wildlife species and their natural habitats.

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When a chromosome pair fails to separate correctly in meiotic division, what is it called?a. Chromosome deletions b. Crossing-over c. Nondisjunction d. Trisomy
Which statement is true about organic compounds? 1) Organic compounds always contain carbon. 2) Organic compounds are synthesized only by animal cells. 3) Organic compounds always contain oxygen. 4) Organic compounds can be synthesized only in a laboratory. 5) Organic compounds always contain nitrogen.
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during the day, when the sun is shining, the ground gets warm mainly as a result of 1. the emission of greenhouse gasses from factories and vehicles 2.heat from Earth's core being conducted to Earth's surface. 3.convection currents in the atmosphere heating the ground. 4.radiated heat from the Sun being absorbed by the ground.

Answers

Answer: Option D

Explanation:

During the daytime when the sun is shinning bright in the sky and the sun rays reaches the earth.

The ground becomes warm by the effect of sunlight. This is because the sun radiates huge amount of heat from its surface.

This heat reaches the earth in the form of light energy. This heat is absorbed by the earth's surface and makes it warm.
4, Radiated heat from the Sun being absorbed by the ground.

Heat that flows by conduction is the transfer of thermal energy between substances in contact. For this to happen, what must occur?A) The two systems must be the same temperature.
B) The two systems must not be touching each another.
C) One system must have higher kinetic energy than the other system.
D) The thermal energy of one system must be the same as the thermal energy of the other system.

Answers

I think the correct answer from the choices listed above is option C. In order for conduction to occur, it must be that  one system must have higher kinetic energy than the other system. Or one system should have higher temperature than another system. This is the driving force of the transfer that occurs.
C) One system must have higher kinetic energy than the other system

Describe the function of each of the following in protein synthesis: rrna,mrna,trna

Answers

mRNA allows for the transcription of DNA onto a primary transcript which then travels to the ribosome.

rRNA makes up the structure of the ribosome, where translation occurs.

tRNA transports amino acids to the ribosome, and joins them onto the end of the forming polypeptide chain. tRNA has an anticodon which is complimentary to the codon of mRNA it is translating.

mRNA is transcribed from DNA.The nucleotide in mRNA code for amino acids.tRNA translates the mRNA sequence into an amino acid sequence so proteins can be made.

The process of heat transfer thought to be responsible for the movement of the lithospheric plates on the surface of the earth is

Answers

Answer:

Convection

Explanation:

Difference in temperature induces convection currents. The mantle material close to Earth's core is quite hot in comparison to the one close to the lithosphere, which is cooler. Earth's convection currents are very slow in movement. They flow at rates of a few centimeters per year. It is believed by scientists that the movement of mantle material carries the plates of the lithosphere with it which causes the plates to move.

Answer:

The answer is Convection

Explanation:

Plate movement happens because of a process of heat transfer called convection. Convection is the movement produced when a gas, liquid, or plastic is unevenly heated.

Polly is pushing a box across the floor with a force of 30 N. The force of gravity is -8 N, and the normal force is 8 N. Which value could describe the force of Polly could not make the box

Answers

Answer:

-30 N

Explanation:

2. While performing a streak plate, you forget to flame the loop between streaks. What do you think will be the results? 3. Why is important to drag the inoculation loop through a previous quadrant when streaking to a new quadrant?

Answers

2. The result will be all quadrants that are similar to the first quadrant. You will have a lawn of bacteria.
3. So the next quadrant will use the bacteria from the previous quadrant and the colonies will be more spread out.


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Final answer:

Forgetting to flame the loop between streaks in a streak plate can result in mixed or contaminated cultures.

Dragging the inoculation loop through a previous quadrant when streaking to a new quadrant is important to obtain isolated colonies and pure cultures.

Explanation:

The streak plate technique is a method used in microbiology to isolate and obtain pure cultures of microorganisms. It involves streaking a sample containing a mixture of microorganisms onto an agar plate in a pattern that allows for the separation and growth of individual colonies.

When performing a streak plate, it is important to flame the loop between streaks. This step sterilizes the loop, preventing cross-contamination between different quadrants of the plate. By forgetting to flame the loop, there is a higher chance of carrying over microorganisms from one quadrant to another, resulting in mixed or contaminated cultures.

Dragging the inoculation loop through a previous quadrant when streaking to a new quadrant is important for diluting the number of microorganisms being transferred. This technique ensures that each quadrant receives a decreasing number of cells, allowing for the growth of isolated colonies. It helps to obtain pure cultures for further study and identification.

Learn more about streak plate technique in microbiology here:

brainly.com/question/32770721

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