Wind and moving water provide energy.
a. chemical
b. thermal
c. electromagnetic
d. mechanical

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated

What do we call the process when two dominant alleles are expressed and do not blend? a. incomplete dominance b. codominance c. multiple alleles

Which is abiotic? a. tree sap b. insect c. sunlight d. wood table