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NNADVOKAT [17]
3 years ago
12

The "Cambrian explosion" refers to a. the creation of Earth. b. the development of the first true cell. c. the origination of li

fe. d. the origination of all major phyla of animals. e. the mass extinction of dinosaurs.
Biology
1 answer:
mojhsa [17]3 years ago
6 0

Answer:

The "Cambrian Explosion" refers to the sudden appearance in the fossil record of complex animals with mineralized skeletal remains. It may represent the most important evolutionary event in the history of life on Earth.

Explanation:

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Murljashka [212]

Answer:

C. Under the age of 20

Explanation:

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8 0
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Natural selection is not involved when new species evolve due to isolation. Please select the best answer from the choices provi
Tanzania [10]
The answer is F, false. Natural selection is still involved, with stronger and more procreative individuals spreading their genes. An example of when natural selection is not involved would be when human breeders look for specific traits and breed accordingly.
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3 years ago
Which blood type can be transfused into a patient who has blood type A–?
larisa86 [58]
<span>The O Blood Which Is Also Called A Universal Donor

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7 0
3 years ago
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An object has a mass of 8.00 kg. what is the force due to gravity in the object
givi [52]

Answer:

Explanation:

When a mass of 8 kg is located on the Earth's surface, the magnitude of each of

the gravitational forces attracting the mass and the Earth toward each other is

      (mass) x (acceleration of gravity on Earth) =

     (8.0 kg) x (9.81 m/s²) =

               78.48 kg-m/s²  =  78.48 newtons  (about 17 pounds 10.2 ounces)

4 0
3 years ago
Which biomolecule does RNA and DNA belong to
ratelena [41]

Answer:

Nucleic acids

Explanation:

Nucleic acids are the biopolymers, or small biomolecules, essential to all known forms of life. The term nucleic acid is the overall name for DNA and RNA.

4 0
3 years ago
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