Living and nonliving parts of an environment together are referred to as a(n)______________.
2 answers:
An ecosystem is the correct answer
Answer:
ecosystem
Explanation:
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I'd say option B. Vitamin D and Calcium are needed to have strong bones, so it'd be most logical for this to be the answer.
Hope this helps!
On higher areas such as hills or mountains
Snake is the correct answer, they are ectothermic