The main cause of extinction on Earth today is, Humans, we are the biggest
threat to our environments'.
Hope that helps!!!! ( We Humans, are our biggest enemy, and threat to ourselves, and he environment.).
Involuntary muscles would be the right answer its muscles like the heart and lungs that work without you telling them to
10-mL (milliliter) syringe to extract the liquid, a sterile specimen container to pack the sample, usually there should be between 20 and 25ml, if is isn´t possible, 10ml would be enough.• Antiseptic swab to clean the area before taking the sample.
Dna is found in chromosomes located in the nucleus, this dna allows genes and traits to be inherited.
