Which of the following is an example of parasitism
a) birds eating the berries produced by a shrub
b) algae providing a sloth with camouflage by growing on its fur
c) leeches feeding on blood drawn from fish
d) fish clinging to sharks in order to gather scraps of food

Apatient is in need of hydration. which type of solution are the patient's cells most likely in?

During an investigation of an xss attack, the investigator comes across the term "[a-za-z0-9\%]+" in analyzed evidence details. what is the expression used for?

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.