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2 years ago

Do we live in the Cenozoic era?

Biology

2 answers:

lys-0071 [83]2 years ago

7 0

We live in the Holocene.
Hope this helped :)

sleet_krkn [62]2 years ago

6 0

The geologic era in which humans have evolved and spread over the Earth is the Cenozoic Era. This time period began roughly 65 million years before the start of the 21st century.

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Jezelyn needs to create a project that shows geographic isolation in action and decides to make a video. Which of the following

kodGreya [7K]

Answer:

a video that shows penguin species that have different mating dances

Explanation:

The question is incomplete as it does not have the options which are:

a video that shows a large river that has penguin populations on both sides

a video that shows penguin species that have different mating dances

a video that shows a penguin that is laying eggs

a video that shows penguins in a tidal pool and an open ocean

Answer:

a video that shows penguin species that have different mating dances

The reproductive isolation is the factor which allows the species to evolve and form a new species, therefore, this factor is used to describe a species.

The reproductive isolation refers to a mechanism in which the species are isolated to not interbreed with the individual of other species. The reproductive isolation could be due to behavioural, psychological, physical or genetic differences. evolved as an adaptation.

In the given cases, the penguin species which shows different mating dances is considered to be reproductively isolated as the different dance rituals evolved as behaviour to prevent them from mating.

Thus, the selected option is correct.

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