Why female anopheles mosquito feeds on human blood.?

In which way are mercury and venus similar? they both rotate from east to west. they are both small and rocky. they both have thick atmospheres. they both are similar to earth in structure.

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone

Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?