What is the value of a transitional fossil?

Answers

Answer 1

Answer:

the value of a transitional fossil is : A. Transitional forms show the evolutionary steps between species

For example, take a look at human's transitional fossil. Through the fossil, we became aware about the evolution that happened within the human species and we can observe how we developed from a monkey-like organisms into a more superior organism as we are today

Answer 2

Answer:

The quick answer is A: "Transitional forms show the evolutionary steps between species."

Good luck!

-RxL

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What is the relationship between chromatin and chromosomes

Answers

Answer: Chromosomes are made up of tightly wound Chromatin.

Explanation: Chromatin is wrapped around proteins called histones to make DNA and then DNA is tightly wound up and that is how you make chromosomes.

How do conversation practices affect natural resources?A. They cause existing natural resources to last longer.
B. They increase Earth's natural resources.
C. They increase people's ecological footprint.
D. They cause natural resources to be depleted.

Answers

the answer would be b p

Check your understanding. Which items did youinclude? Check all that apply.
The gene coding for the protein untwists and
unzips.
O RNA nucleotides form complimentary base
pairs with the DNA bases.
Hydrogen bonds and sugar-phosphate bonds
form and the mRNA strand is synthesized.
mRNA peels off the DNA and moves to the
cytoplasm.

Answers

RNA nucleotides form complimentary base pairs with DNA bases. Hydrogen and sugar-phosphate bonds form and the mRNA is synthesized.

Explanation:

The process of mRNA formed by DNA is called transcription. The genes coding for the protein is present on DNA as a nitrogenous base or nucleotides.

Transcription takes place inside the nucleus with the assistance of major enzyme RNA polymerase. In transcription 5'to3' single strand of RNA is synthesized which is complementary to the 3'to5' strand of DNA. The sequence of DNA has promoter sites which will be recognized and DNA will unzip to form transcription bubble. Several transcription factors and enzyme will be required to synthesize mRNA.

This mRNA after some modification would become primary transcript and pass on to the cytoplasm where protein synthesis will take place.

Answer:

b and c

Explanation:

i did it

Explain the role rods and cones play in vision.

Answers

Answer:

The cones detect the brightness and the rods the colors.

Explanation:

Thanks to a layer of photoreceptors inside the eye, it is able to convert the captured light into brain signals.

There are two types of photoreceptors: rods and cones.

Rods: they allow the human eye to have a visual acuity (the eye's ability to resolve and perceive small details in an object) and to differentiate colors.
Cones: are in charge of detecting the intensity of the light. They are very numerous and are very sensitive. Not being able to distinguish colors, they give rise to an achromatic vision.

rods work very well in darkness/ low light. Cones process colors.

About 75 percent of earth surface is covered by

Answers

Water! It is the source of all life.

About 75% of earth i covered by water , e.x. Atlantic Ocean or Baltic Sea

Three examples of bacteria billions of years ago

Answers

three examples of bacteria billions of years ago are the coccus, bacillus, and spirochete

Final answer:

Bacteria billions of years ago played a critical role in shaping the Earth's atmosphere and the development of life. Cyanobacteria, archaea, and stromatolites are examples of bacteria from that time.

Explanation:

Billions of years ago, bacteria played a crucial role in shaping the Earth's atmosphere and the development of life. Some examples of bacteria that existed back then include:

Cyanobacteria: These ancient bacteria were the first organisms capable of photosynthesis, releasing oxygen as a byproduct and contributing to the oxygenation of our planet's atmosphere.
Archea: Certain types of archaea bacteria, such as methanogens, were present and played a role in the early carbon cycle, producing methane gas.
Stromatolites: These are fossilized bacterial mats found in ancient rocks, providing evidence of early bacterial life and their important role in Earth's history.

Learn more about bacteria here:

brainly.com/question/33307224

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Anderson and his lab partner each held a tuning fork, 4440 Hz, in their hands. Anderson tapped his tuning fork with a mallet and they listened to the sound it made. "Wait a minute!" exclaimed Anderson's partner. "My tuning fork is vibrating too!" Sure enough, both tuning forks were vibrating although only Anderson hit his with the mallet.what wave property caused the second tuning fork to vibrate? a) diffraction b) interference c) refraction d) resonance