Answer:
well i only know that a male has 23 chromosomes and his hormones are called testosterone ,please follow me and his sex chromosome is <em><u>xy</u></em>
Answer:
water fleas
Explanation:
the fish eat tht water fleas for energy...
Answer: Rocks are abiotic
Explanation: They arnt alive so how can it be biotic?
2 seems like the best answer