Sarah wants to know how many iguanas live on the island of St. Thomas. She sets up
traps for them, and in the initial trapping event, she captures and marks 42 iguanas.
Three months later, she sets out traps again and this time she captures 35 iguanas, 9
of which had the mark. What is the population size of iguanas on St. Thomas?

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

d. organisms have cells with different shapes and functions.

answer: um

explanation: find shelter