'Complex organ' diaporamas de présentation

Arthropods and Echinoderms

Arthropods and Echinoderms. Biology I: Chapter 28. ARTHROPODS. ARTHROPODS. Arthropods. Phylum Arthropoda Insects, crabs, centipedes, spiders Segmented body Tough exoskeleton made of chitin Jointed appendages. Evolution of Arthropods. Fewer body segments

813 views • 57 slides

D o e s

555 views • 44 slides

Biology Warm-Up May 8 , 2014

Biology Warm-Up May 8 , 2014. Phenylketonuria (PKU) is a severe form of mental retardation due to a rare autosomal recessive allele. About 1 in 10,000 newborn Caucasians are affected with the disease. Calculate the frequency of carriers. p + q = 1 p 2 + 2pq + q 2 = 1.

200 views • 8 slides