Our living species migrated to the “environment”, established in the area, and then it will increase by number. After that we have competition and co-action resulting in the survival of fit individuals and the elimination of unfit individuals from the ecosystem.
Answer: a) proteins reflect DNA sequences, so scientists study proteins to look for genetic similarities and differences in organisms.
Explanation:
i googled it
There is no definite answer. Humans come in all shapes and sizes.
There are two main organs:
Kidney: purify blood from toxins, and harmful chemicals and excretes them from the body in the form of urine.
Liver: inactivates and filters toxins from the bloood and removes toxic substances that have been ingested, such as food additives, harmful minerals, toxic medications, excess hormones.
I think the correct answer is c
