10. what is a genotype?
a an organism's combination of genes for a trait
b an organism's appearance as a result of its genes
c the ratio of dominant to recessive genes in an individual
d the collection of dominant genes in an organism

Identify the type of energy used in each action. the flexing of an arm muscle: a signal transduction process by a neuron: a ball at the top of a hill: 1. electrical energy 2. mechanical energy 3. gravitational potential energy

Which is the correct order in the scientific process? ask a question ® form a hypothesis ® make an observation ask a question ® make an observation ® form a hypothesis make an observation ® form a hypothesis ® ask a question make an observation ® ask a question ® form a hypothesis

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above