Answer:
skeletal muscles control his leg movement and cardiac muscles control his heart rate
Answer:
more recently they shared a common ancestor
The three ways mutations can occur are
Mutations arise spontaneously at low frequency owing to the chemical instability of purine and pyrimidine bases and to errors during DNA replication. Natural exposure of an organism to certain environmental factors, such as ultraviolet light and chemical carcinogens (e.g., aflatoxin B1), also can cause mutations.
Answer:
social constructs
Explanation:
however it is not true that gender is actually a social construct
Answer:
tissues
Explanation:
cells make tissues and tissues make organs
