Which marine creature was thought to be extinct for 80 million years until one was caught off the coast of madagascar in 1938? a. giant squid b. portuguese man-o-war c. coelacanth d. nurse shark e. barracuda

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm

14) whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.