When a female mosquito fish is ____________ a black spot called a gravid spot appears on each side of her body just above the rear fin.
A very young cricket has no ____________
Animals that eat other organisms such as plants, algae and other animals to survive are called _____________.
Because plants and algae use the process of photosynthesis to make their own food, they are called ______________.
Other names for this organism are pill bug, roly-poly, sow bug, and wood louse.
Aquatic plants take in this gas, ______________ and give off another gas, oxygen.
The tongue of the snail is called the ___________
Isopods need ______________ all the time in order to breathe through their gills
A mature isopod has ________ pairs of legs
Duckweed, elodea, and algae help to provide ____________ for aquatic animals.
Young mosquito fish are called _____________
A young isopod has ________ pairs of legs
Isopods are not __________, but they are closely related to shrimp, lobsters and crabs.
All living organisms are always using oxygen. This process is called _____________.
Mosquito fish and guppies do not lay eggs. Their young, or fry, are born alive. Therefore they are called ____________
The lateral lines on fish help to detect ______________ in the water.
The isopods skeleton is on the outside of its body like a suit of armor. In scientific terms this is called its _____________
Only the male cricket can ______________
Crickets rub their ___________ together to make their chirping sound.