What could a human living now and a dinosaur living millions of years ago have in common?
A. They have the exact same DNA.
B. They eat the same things.
C. They need the same amount of energy.
D. They have shared matter.

New york city has 2,181 inhabitants per square mile. the state of alaska has 1.03 inhabitants per square mile. ecologists would say alaska has a low exponential growth population density birth rate carrying capacity

Match the description of each organism to the appropriate category

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele