Answer:
Extrinsic
Explanation:
Motivation that is physical and can be touched like a trophy or a medal is: Extrinsic motivation
The influence of human beings on nature (especially when discussing pollution)
Genes and alleles are what someone is composed of (the genotype). Dominant genes passed down from parents are more likely to show on appearance (the phenotype) although not always.
Answer:
fish and tetrapods are both vertebrates that have a backbone with a spinal cord. fish lived before tetrapods because their fossils are in rocks over 500 million years old.
Explanation:
fish and tetrapods are both vertebrates that have a backbone with a spinal cord
