If an individual is suffering from emphysema, what organ of the body is primarily affected? a. heart b. skin c. liver d. lungs

Loss of calcium from bones is called... a. cystic fibrosis b. osteoporosis c. tuberculosis d. endocytosis

Which mammal group gives birth to undeveloped young that are kept in pouches? a. monotremes b. pangolins c. marsupials d. pachyderma

What nocturnal animal group makes up 1/4 of all mammal species? a. bats b. owls c. wombats d. firefly

What is the main cause of seasons on the Earth? a. the distance between Earth and the sun b. the tilt of Earth's axis c. the speed the Earth travels around the sun d. changes in the amount of energy coming from the sun

A cloud at ground level is called what? a. rain b. sleet c. fog d. mist

Used primarily in fertilizers, which element is never found free in nature even though it makes up about 2.5% of the earth's crust? a. potassium b. nitrogen c. phosphorus d. iron

The first animal launched into orbit was a... a. mouse b. monkey c. chimpanzee d. dog

What land mammal holds the record for greatest age? a. hippopotamus b. elephant c. human d. brown bear

The study of how people use tools to perform work and how people physically relate to their working environment is called: a. engineering b. ergonomics c. agronomy d. physiology

The study of phenomena at very low temperatures is called: a. heat transfer b morphology c. crystallography d. cryogenics

If a metal can be pulled into wires relatively easily it is called: a. malleable b. ductile c. extractive d. tactile

How many hearts does an octopus have? a. 1 b. 2 c. 3 d. 4