Answer:
commensalism
Explanation:
one animal benefits while the other is not harmed or affected in any way
Because boys lungs aren’t as big as a mans lungs I guess lol
Answer:
An individual skeletal muscle may be made up of hundreds, or even thousands, of muscle fibers bundled together and wrapped in a connective tissue covering. Each muscle is surrounded by a connective tissue sheath called the epimysium. Fascia, connective tissue outside the epimysium, surrounds and separates the muscles.
Explanation:
Answer:
D
Explanation: Decomposers are like grinders, they break down dead animals and plants.
It is definitely not a primary source: this would be a book itself.
Now, is it a tertiary source? I don't think so: the author of the review should have read the book and should only be referring to this book in the review.
I think it's a secondary source.