Answer:
A. aneuploidy; trisomic
Explanation:
Aneuploidy means having more numbers of chromosomes than usual while polyploidy means having an abnormal number of chromosome sets. Down syndrome is a trisomy on chromosome 21 meaning there are 3 chromosomes for chromosome set 21.
I believe the answer is (B) Parasitic.
To slow the process of pollution and to conserve material that can be exhausted or can run out
<span>radioactive zone & convection zone i think
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Answer:
Explanation:
No, the sorting process is not completed yet. The group that has two dragonflies in it should be sorted out independently and matched together to form a specie. The dichotomous key is used to identify items that belong to a particular specie.