What will happen to the frequency of the recessive allele for the hbs gene when there is an outbreak of malaria? the frequency will increase. The frequency will decrease. The frequency will remain constant. It is impossible to predict how the allele frequency will change. The frequency will be cut in half with each generation

Spider crabs live in the shallow regions of the ocean floor. algae tend to grow on the surface of spider crabs. the algae provide the crabs protection from predators by camouflaging them. the spider crabs give the algae shelter. what does this description suggest? 1. the algae are parasites of the spider crabs. 2. the algae and the spider crabs have a mutualistic relationship. 3. the spider crabs are commensals, and the algae are parasites. 4. the spider crabs benefit from the algae living on them. 5. the spider crabs are parasites of the algae.