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Elza [17]
1 year ago
13

The process of obtaining food is known as _________ and requires specialized feeding mechanisms. A. ingestion B. digestion C. ab

sorption D. excretion
Biology
1 answer:
Svetllana [295]1 year ago
8 0

Answer: A

Explanation:

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Short speech on earth day for Grade 2
kipiarov [429]

Answer:

Earth is one of the eight planets of our planetary group that rotates around the sun.

Earth is the main known planet that upholds life in the whole planetary group.

World Earth Day is commended on the 22nd of April consistently. It is to increment public attention to the Earth's economical climate.

World Earth Day features the significance of ecological assurance for the endurance of life.

It is accepted that the Earth should be 4.5 billion years of age.

Right around 70% of the outer layer of the Earth is covered with water. Thus, it is known as a blue planet and an extraordinary planet.

Earth has an air holding back 20% of the oxygen that aides in the endurance of living creatures.

Gases like oxygen, carbon dioxide, and nitrogen in the Earth's environment assist plants with developing.

Earth is spheroid in shape. It is critical contrasted with different planets like Mercury, Mars, Neptune, Pluto, and Venus.

Earth finishes its circle around the sun in 365 days. In such a manner, it makes a jump year once in four years.

5 0
2 years ago
Arrange the events taking place during transcription in order: i) The pre-RNA undergoes processing ii) RNA polymerase moves down
Anastasy [175]

Answer:

RNA polymerase binds to the promoter

Polymerase initiates RNA synthesis at the start point on the template strand

RNA polymerase moves downstream unwinding the DNA

RNA transcript is released and polymerase detaches from the DNA

The pre-RNA undergoes processing

Explanation:

The promoter is the specific DNA sequence that serves as a binding site for RNA polymerase. The enzyme RNA polymerase recognizes the promoter sequence and binds to it to begin the process of RNA synthesis. The process of RNA synthesis begins at the start site where the process of the unwinding of DNA duplex is initiated.

The unwinding separates the two DNA strands at the start site where RNA polymerase begins the process of synthesis of the new RNA strand. The newly formed RNA strand and RNA polymerase are released from the template strand after the termination of the process.

In eukaryotes, the primary RNA transcript undergoes the process of splicing of introns, the addition of poly-A tails and 5' cap which in turn transform it into the mature mRNA.

8 0
3 years ago
The change in life forms in the fossil record from less complex organisms to more complex organisms over time is best explained
barxatty [35]

The evolution of a species of organisms over time.

6 0
3 years ago
he x-ray film shows a fracture where one side of the cortex is intact and flexed and the other side has signs of interruption (f
KatRina [158]

Answer:

This is refers to as Greenstick fracture.

Explanation:

This is the type of fracture common in children less than 10 years, in which there is incomplete fracture of the bone,with ,but  the cortex  remain flexed.It is called green stick because it is analogous to the act of breaking  a branch of a tree, which is not completely broken, from the main branch.

It is usually to due to falls,and common in kids because of their soft bones which is not completely formed and therefore will not break off completely like that of adults when fractured, but only from one side only.

3 0
2 years ago
PLS HELP ME :(, Brainliest!!
kati45 [8]

Answer:

yes,maglev is only available in China and maglev transport systems are now operational in just three countries (Japan, South Korea and China).

Explanation:

4 0
2 years ago
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