Complete the paragraph based on this food chain: Polar bears feed on seals. So, polar bears and seals share a (BLANK). Climate change has caused ice caps to melt in colder regions where polar bears live. This change has made it harder for polar bears to successfully hunt seals. This situation will lead to (BLANK).

first blank...
1.prey-predator relationship
2.mutual relationship
3.parasitic relationship

second blank...
1.less biomass in the quaternary level
2.increased biomass in the quaternary level
3less biomass in the primary level