Answer:
<h3>The answer is D. skeletal system and muscular system.</h3>
In the musculoskeletal system, the muscular and skeletal systems work together to support and move the body. The bones of the skeletal system serve to protect the body's organs, support the weight of the body, and give the body shape.
Okay the first box is heterozygous, the second box is homozygous dominant, and the third box is homozogyous recessive. I think I’m right hope this helps
Answer:
There are changes during different times of the year.
Explanation:
During summer and spring the CO2 levels will be lower because plants are taking in more of it