Biodiversity
What amphibian usually begins life with gills and develops lungs as it grows?
Frog
What insect helps pollinate flowers?
Wasp
What gas do plants absorb from the air during photosynthesis?
Carbon dioxide
What do we call an animal that eats both plants and animals?
Omnivore
What seasonal journey do many birds make between breeding and wintering areas?
Migration
What tree-eating rodent creates ponds that provide habitat for fish, frogs, and birds?
Beaver
What relationship benefits both species, such as a bee getting nectar while pollinating a flower?
Mutualism
What do we call a species found naturally in only one geographic area?
Endemic species
What habitat grows along the banks of rivers and streams?
Riparian habitat
What term describes a species that has an unusually large effect on its ecosystem, such as sea otters protecting kelp forests?
Keystone species
What happens when roads or development divide one large habitat into smaller, separated pieces?
Habitat fragmentation
What introduced freshwater mollusks attach to surfaces and can disrupt food webs by filtering out plankton?
Zebra mussels
What kind of biodiversity describes differences in inherited traits within the same species?
Genetic diversity
What process causes certain pollutants to become more concentrated higher up a food chain?
Biomagnification
What term describes the gradual change in an ecological community over time, such as plants returning after a volcanic eruption?
Ecological succession
What is the name for benefits people receive from nature, such as water purification, pollination, and flood control?
Ecosystem services