Answer:plants
Explanation:
Every food chain begins with plants
The X can possibly be the sex chromosome. Like for human female we have the XX chromosomes and when the allele is on the X chromosome we write as X with a R as the superscript on top right.
Answer:
Support, movement, protection, blood cell production, calcium storage and endocrine regulation
Explanation: that’s what makes us survive.
False. parasites infect and feed
Answer: B is an unsaturated fatty acid