Vocabulary 1
pollution that comes from a specific site
Point Source Pollution
an organism that is caught and killed by another for food
prey
an organism that primarily obtains food by killing and consuming other organisms
predator
All the solid rocky parts of Earth
Geosphere
a resource that forms at a rate that is much slower than the rate at which the resource is consumed
nonrenewable resource
describes a species that has died out completely
extinct
all of the living things on Earth
biosphere
an association between two organisms in which one benefits and the other derives neither benefit nor harm.
commensalism
gas/air surrounding Earth
Atmosphere
a molecule that is present in all living cells and that contains the information that determines the traits that a living thing inherits and needs to live
DNA
structures of the body (the study of)
anatomy
pollution that comes from many sources rather than from a single, specific site
Nonpoint Source Pollution
Earth's water
hydrosphere
an animal that eats only plants
herbivore
one set of instructions for an inherited trait
gene
association between organisms of two different species in which each benefits
Mutualism
a triangular diagram that shows an ecosystem's loss of energy, which results as energy passes through the ecosystem's food chain
Energy pyramid
the place where an organism usually lives
habitat
an association between two organisms in which one benefits and the other is harmed
parasitism
a change in the nucleotide-base sequence of a gene or DNA molecule
mutation
a diagram that shows the feeding relationships between organisms in an ecosystem
food web
a relationship in which two different organisms live in close association with each other
symbiosis
the variety of life in Earth’s land, freshwater, and marine ecosystems.
biodiversity
using resources faster than they can be replaced, causing them to become scarce.
resource depletion
the genetic makeup of an organism, refers to the
variation of alleles an individual carries
genotype