These are the quadriceps they will contract to pull on the tibia they are ?

1. bone
2. cartilage
3. ligament
4. muscle
5. tendon

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

When plants use sunlight to make food, the energy of sunlight is

What are the fixed alleles in the human species? o a. the alleles that are on the most chromosomes b. the alleles that change most often 000 c. the alleles that no one has d. the alleles that everyone has