It’s because 15ml was just under the range and 50ml is just over it. 30 is a happy middle.
The answer for the first question is
1. 5ml
The answer for the second question is
2. 4g/ml
Answer:
poliinators and flagellated sperm
Explanation:
Cycads (phylum Cycadophyta) together with Ginkgophyta, Gnetophyta, Pinophyta, Pteridospermales and Cordaitales belong to the gymnosperms (naked seed-producing plants). They are different than angiosperms which produce encased seeds within an ovary.
Cycads (but also Ginkgo) produce swimming sperm that is different than all other groups which produce sperm without swimming flagella.
Also, unlike other groups of gymnosperms, cycads have specialized pollinators, beetls.
Answer:
A. wheter the producers are located on land or in the water.
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