More cards in this set

What does an evolutionary tree show?

what is a species?

what two things makes classifying organisms difficult?

what is the binomial system and how does it avoid confusion between scientists from different countries?

what does it mean if species have recent common ancestors?

advantage and disadvantage of using pyramid of biomass

why can pyramids of numbers be odd shaped at times?

explain the four ways energy is lost at each trophic level of a food chain

how do you work out efficiency?

what is interspecific competition?