On a hot day, an endotherm may give off more heat by increasing blood flow to the surface of the body.  Eric went outside in the summer. He is more or less likely to give off heat than if it was winter?
more


The forest habitat of elephants has also decreased in size due to humans moving in, so the numbers of the elephants have decreased.  To have more elephants, we should increase or decrease forests near them?
increase


Q: Size restriction: The final body size is limited because as the body size increases, the surface area to volume ratio decreases.  As Jimbo's body size shrinks due to a shrinking spell, what happens to his surface area to volume ratio gets bigger or gets smaller?
A: gets bigger


Question: The older a person is, the greater their chance of developing a cardiovascular disease.  What happens to John's risk of contracting a disease as he gets older it decreases or it increase?
Answer: it increase


*Question*
Inhaling, or breathing in, increases the size of the chest, which decreases air pressure inside the lungs.  Rich breathed out. When he breathes in or out his chest seems larger?
**Answer**
out


When there are more sunspots the Sun is more active and there are more solar storms and more of the Sun's energy reaches the Earth.  When astronomers noticed a doubling of Sun spot activity, did they predict that the Earth's temperature would increase or decrease??
increase