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anzhelika [568]
2 years ago
6

How is the geologic time scale divided?

Biology
1 answer:
Dmitriy789 [7]2 years ago
7 0

Answer: Geologic time is divided into units. Major changes in the earth's surface or climate and the extinction of species help to divide the time scale into smaller units.

Explanation: Rocks grouped within each unit contain a similar fossil record.

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PLEASE SHORTEN SAMPLE ANSWER, PLS I RLLY NEED THIS
GaryK [48]

Answer:

here is the answer

Explanation:

Scarlet king snakes cannot camouflage and so instead they mimic a dangerous neighbor. Scarlet king snakes have evolved over the years to look like coral snakes so that they could scare away other predators that may be dangerous and would want to hurt them

this is the reason

----- now the simplified answer

the scarlet snake has a very random ( rare ) genetic variation , it mimcs or

( behaves a like or looks like  coral snake ) , it turns out that this trait  helps the snake high chance of survival, snake with this kind of trait are often likely to reproduce and pass their traits to their children

now most of the scarlet snakes have this trait

trait ;  a distinguishing quality or characteristic, typically one belonging to a person.

thank you

4 0
3 years ago
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lilavasa [31]
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goldenfox [79]

Answer:

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7 0
2 years ago
The secretion of a signal molecule by a cell into the local environment
Elodia [21]

Answer:

paracrine signaling.

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Chemical signaling between cells is one of the most important ways that activities of tissues and  organs are coordinated. The nervous system is the other major coordinating system in animals,  but even here chemical signaling is used between adjacent neurons. The mechanisms involved are  described as either being paracrine, autocrine, intracrine, endocrine, neuroendocrine or  pheromones. Paracrine signals diffuse locally and act on neighboring cells.

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HIRRY
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the fourth one. biomagnofication is when an organism ingests other plants or animals that have toxins in them. the toxins are widely distributed

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