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anzhelika [568]
3 years ago
6

How is the geologic time scale divided?

Biology
1 answer:
Dmitriy789 [7]3 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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Answer:

Natural selection occurs when some of those traits help some individuals survive and reproduce more than others. That causes their genes to become more common in the population over time, and it's the way species evolve to adapt to changes in their environment.

Explanation:

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Answer:hello!

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2 years ago
Outline the top down effects on bacteria in the four mesocosms
ra1l [238]

The Outline  of the top-down effects on bacteria in the four mesocosms is

  • Zooplankton is bacterivores that help keep bacteria populations in Check.
  • Ingestion of zooplankton by fish leads to a rise in bacteria levels.

<h3>What are mesocosms?</h3>

Generally, mesocosms are defined as any outdoor experimental system that investigates the natural environment in a controlled setting and may be thought of as a mesocosm.

In conclusion, Overview of top-down influences on bacterial growth in four mesocosms

To put it another way, zooplankton is bacterivores that play a role in maintaining a healthy bacterial balance.

Fish-eating zooplankton may cause an increase in bacteria in the water.

Read more about mesocosms  

brainly.com/question/13045326

#SPJ1

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