Natural ladybugs.
You can indeed use ladybugs in a pest control, but that depends on the pest. Since in the question, you don't specify what the pest is, the answer is natural ladybugs.
If the animal was something that ladybugs eat, like aphids for example, than ladybugs could be used as a pest control insect.
Hope it helped,
BioTeacher101
Plankton and Nektons are different. Plankton are small organisms that float in the sea or in the freshwater. Example of planktons are diatoms and dinoflagellates. While Nektons are animals that are able to swim in water. Example of Nektons are turtles, sharks and shrimps.
Answer:
semen, blood, breast milk
