Tubifex worms contain haemoglobin. Some other species of worms do not contain haemoglobin. When the mass of dead plant material in river mud is very high, the population size of the other species decreases but the Tubifex population size continues to increase. Explain why the Tubifex population continues to increase while populations of other species decrease.

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

What is the difference between sex-linked traits and autosomal traits in humans? a. sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex. b. sex-linked traits are passed on through the x and y chromosomes, while autosomal traits are passed on through the other 22 chromosomes. c. sex-linked traits only affect females, while autosomal traits affect both males and females. d. sex-linked traits refer to genes that are on the x and y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.

What do nitrifying bacteria convert