Ovulation must occur in order for fertilization to occur :v
If the release of a mature egg cell into the oviduct is done (ovulation), then it is only matter of time for the egg to meet the sperm cell while traveling through the oviduct to fuse and create a zygote(fertilization).
Those are both examples of ecological services!
Answer: Biosynthesis is a multi-step, enzyme-catalyzed process where substrates are converted into more complex products in living organisms. In biosynthesis, simple compounds are modified, converted into other compounds, or joined together to form macromolecules. This process often consists of metabolic pathways.
<span>Nematocysts </span>are an important adaptation for cnidarians because these specialized cells allow the jellyfish to capture their prey without a jaw or teeth.
The sting produced from nematocysts are what gives jellyfish their infamous reputation, but without nematocysts, jellyfish would be unable to feed.
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Answer:
The second one, Oxygen and Carbon Dioxide
Explanation: