Fossils are the remains or impression of the dead animals and plants that lived in the past.
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>
The feedback loops communicate with the body to ensure homeostasis.
Answer is A. Feedback Loops
It will help you
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Spawning.......................................................
