BIO 182 EXAM PACKAGE DEAL WITH COMPLETE SOLUTIONS.

Agnatha characteristics - Answer-jawless fish Amphibia characteristics - Answer--moist skin - gas exchange through skin and lungs -metamorphosis Arachnid (tarantula) - Answer-Arthropoda Ascaris summ (pig roundworm) - Answer-Nematode Aves characteristics - Answer-birds - feathers -waterproof ...

1. Phylum Porifera - Answer-- sponges - loosely organized and lack tissues - multicellular with several types of cells - 8,000 species, mostly marine - no apparent symmetry - adults sessile, larvae free-swimming - water drawn through pores into spongocoel - flows out through osculum - choano...

Allopatric Speciation - - Do to geographic Isolation Mountaina At what level of life's organization does evolution take place at? Why can evolution not be at the level of the individual (what does an individual lack that must be present for evolution to take place)? - evolution you must have va...

Describe boreal forests - -Forms in sub-arctic -Dominated by highly cold tolerant trees -Very cold winters and short, cool summers -Low precipitation -NPP is low Describe grasslands - -Conditions are too dry to enable tree growth -Moderate temps and rainfall -NPP lower than forest communities...

Adipose tissue - Answer-stores fat, energy and insulation Blood - Answer-red and white blood cells Bone - Answer-collagen fibers with calcium salts Cardiac muscle - Answer-heart and involuntary Cartilage tissue - Answer-flexible boneless skeleton Connective tissue - Answer-to bind and support ...

Another term for evolution by Darwin - Answer-descent with modification Are habitat isolations physical barriers? - Answer-No just different habitats not an actual physical fence or anything Convergent evolution - Answer-evolution of analogous (similar) features in related groups convergent evol...

allele - a form of a gene that affects the way an organism looks or behaves chromosome - a highly condensed molecule of DNA thatches for many proteins diploid - when a cell contains two copies of each chromosome dominant - when one copy of an allele determines the phenotype of an individual game...

a characteristic of an organism that varies genetically - Answer-trait a description of an organism's appearance or behavior - Answer-phenotype a form of a gene that affects the way an organism looks or behaves - Answer-allele a hapliod cell that develops into a sperm or an egg - Answer-gamete ...