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xxTIMURxx [149]
3 years ago
6

Please Help its for a test :/

Biology
2 answers:
evablogger [386]3 years ago
7 0

Answer:

I’m pretty sure Karina is right

Explanation:

It just showed how the population grew over time not the environment.

I hope this helps :) let me know if it’s right

puteri [66]3 years ago
7 0

Answer: Zara who thinks Karina and Miles are correct is correct

Explanation:

Both are correct because the way the guppies evolved is due to them adapting to the changing environment. Before guppies with medium spots were high in numbers. This because they could blend in well with the rocks which were medium sized. Over time the rocks got smaller and the guppies with smaller spots survived leaving the guppies with larger spots to get killed off by other predators.

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"the medulla, the pons, and the cerebellum are three main parts of the ______."
MA_775_DIABLO [31]

The medulla, pons, and the cerebellum are three main parts of the hindbrain.

Brain is the centre of the nervous system. It is enclosed in the skull cranium. The primary regions of the brain are the forebrain, midbrain and the hindbrain. The forebrain consists of the cerebrum and diencephalon. The midbrain is a small tubular region between the forebrain and the hindbrain. The hindbrain is made up of the medulla oblongata, pons and cerebellum.

Cerebellum is the second largest portion of the brain which helps in maintaining the body's equillibrium, coordinates muscular movements and body posture. Pons is the structure located in the brain stem which relays impulses from medulla to cerebellum and vice versa. Medulla oblongata is the lowest part of the brain stem controlling involuntary reflexes and has the respiratory and cardiac centres in it controlling respiration and heart beats respectively.

7 0
3 years ago
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2
Ostrovityanka [42]

Answer:

D

Explanation:

a statement that can be tested through a scientific investigation

4 0
2 years ago
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Working from deep geologic strata toward shallow geologic strata, what is the sequence in which fossils of these groups should m
pentagon [3]

Answer:

1. charophytes

Explanation:

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3 years ago
The image above shows the natural progression of a forest in a process called ecological succession. If a mature climax forest i
liubo4ka [24]

Explanation:

The community may enter primary succession.

Ecological communities are highly dynamic- they gradually evolve. Typically their progression involves:

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The makeup of biological communities is crucial to defining Primary and Secondary succession; eventually, through changes in this makeup, a steady-state or equilibrium is reached called a climax community. While Primary succession starts off with the modification of a previously unoccupied area along with increasing variation; secondary succession begins after major disruption in the community such as fires, storms and flooding.

Like the harvested climax forest, secondary communities do not begin with the removal of soil and all biological life; other species, may be more suited to the altered conditions and begin to modify the area creating a new community.

However, the process of becoming a climax community can be pretty complicated- it is very dependent on other factors like temperature and rainfall. Communities that experience rapid change, frequent major disruptions and even human intervention, are less likely to attain a stable equilibrium and may never become climax communities.

Learn more about primary succession at brainly.com/question/1603854

#LearnWithBrainly

8 0
3 years ago
What did Charles Darwin discover as a result of his experiments with breeding pigeons?
Veronika [31]
Charles Darwin noticed that among the same species there were variations in traits based upon geographical location. These changes may have evolved from climate differences, predator/prey relationships and food sources. This particular experiment was intended to duplicate natural selection by demonstrating the concepts with artificial selection. The result was that over time, new traits could be bred for. Although there may be more than one correct answer here, the best answer is the first; desirable traits can be selected and bred in offspring.
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