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Anit [1.1K]
3 years ago
5

Which important event in Earth’s history occurred during the Jurassic period?

Biology
1 answer:
DIA [1.3K]3 years ago
5 0

Answer:

The start of the period was marked by the major Triassic–Jurassic extinction event. Two other extinction events occurred during the period: the Pliensbachian-Toarcian extinction in the Early Jurassic, and the Tithonian event at the end; neither event ranks among the "Big Five" mass extinctions.

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After watching the video, how would you define the term ecological relationship? Are they always beneficial to organisms involve
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Answer:

There is no video but ecological relationship will be defined on a general note and it is not always beneficial to organisms.

Explanation:

In an ecosystem, organisms of the same or different species tend to interact with one another. This interaction is referred to as ECOLOGICAL RELATIONSHIP between the involved organisms. An ecological relationship can be of different types depending on the effect.

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7 0
3 years ago
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Explanation:

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Lena [83]

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A) chromosomes is the correct answer.

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