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KengaRu [80]
3 years ago
7

Count the number of new species that form in each group beginning at 60 mya (the first three species in each group were present

around 64 mya, the first time period sampled, so we don't know when those species first appear in the fossil record).
Biology
1 answer:
melamori03 [73]3 years ago
5 0

Answer:

hello your question has some missing information attached below is the missing information

<em>answer :</em>

New planktonic larvae species  =  10 species

New Non-planktonic larvae species = 26 species

Explanation:

<u>calculate for the number of new species that form in each group </u>

From the question it can seen that 3 species were present before 60 mya in each set

hence to calculate for the number of new species that form in each group

= Total number of species - number of species present at the beginning of 60mya

<u>Group 1 ( New planktonic larvae species ) </u>

= 13 -3 =  10 species

<u>Group 2 ( New Non-planktonic larvae species )</u>

= 29 - 3 = 26 species

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