It can cause to much nitrogen to go into the marine environment and that effects all other life in the environment
Answer:
Sexual Reproduction. ... Organisms that reproduce sexually by joining gametes, a process known as fertilization, must have a mechanism to produce haploid gametes. This mechanism is meiosis, a type of cell division that halves the number of chromosomes. Meiosis occurs only in gamete producing cells within the gonads.
Explanation:
Blood pressure<span>. ... If these nerves do not detect stretching, the body determines perceives low </span>blood pressure<span> as a dangerous </span>stimulus<span> and signals are not sent, preventing the inhibition CNS action; </span>blood<span> vessels constrict and the heart rate increases, causing an increase in </span>blood pressure<span> in the body.
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Answer: Annelida
Leeches are soft bodied segmented parasitic worms. They belong to the phylum Annelida. They are hermaphrodites which means they exhibit sex organs of both male and female.
The characteristics which are found in leeches which group them into Annelida are:
1. The body of the leeches are bilaterally symmetrical like other Annelids. The body organs are also segmented.
2. They have a closed circulatory system in which the heart pumps the blood to all the parts of the body.
3. Leeches either exhibit a protusible pharynx or proboscis which allows them to suck the blood of the host such features are also common in other Annelids.
Answer: C - The three species have a common ancestor with these embryonic structures.