50 terms

Environments/Ecosystem Interactions

First 9 weeks Vocabulary Words
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variable
a condition of factor that changes in an investigation so the effects can be observed
hypothesis
a statement that can be tested by an investigation or observation
relationships
a connection, association, or involvement.
environment
the surroundings of an organism
organisms
any living thing, including all plants and animals
systems
a group of things or parts that work together
cycles
a series of events that occurs over and over in a certain order
ecosystem
all the living and nonliving things in a certain environment
food web
a system of overlapping and connection of food chains
food chain
the sequence that traces food energy in an ecosystem
producers
an organism that makes its own food as well as food for consumers
consumers
an organism that survives by eating other organisms in the ecosystem
decomposers
an organism, such as bacteria or fungus, that breaks down dead matter, returning it to the soil
flow of energy
the transfer of physical energy from one body or place to another
structure
related to the physical composition of an object
function
how something works
inherited traits
a characteristic passed from parent to offspring through genes
learned behaviors
behavior that an animal has been taught or has learned from experience
complete metamorphosis
the life cycle of an organism whose appearance changes substantially at each of the four stages (egg, larva, pupa, adult)
incomplete metamorphosis
the life cycle of an organism wo appearance does not change substantially and has 3 stages (egg, nymph, adult)
adaptations
a structure or behavior that helps an organism survive in its environment
reproduce
to have offspring or to produce more of a given plant or animal
photosynthesis
the process by which green plants cells make food from sunlight, water, and carbon dioxide
interdependence
each member is equally dependent on another for survival
terrariums
A small enclosure or closed container in which plants and animals are kept and observed.
living
They are capable of growth, reproduction, movement, metabolism. Require energy to exist. Examples are animals and plants
non-living
They lack the capability for growth, reproduction, respiration, metabolism, and movement. Examples of non-living things are rock, water, and sun.
habitats
a place in an ecosystem where an organism lives
survival
to stay alive
water cycle
The continuous process by which water moves from Earth's surface to the atmosphere and back
precipitation
Any form of water that falls from clouds and reaches Earth's surface.
condensation
Change in state from a gas to a liquid
collection
water collects on the ground & in rivers, lakes & oceans
runoff
water that flows over the ground surface rather than soaking into the ground
transpiration
Evaporation of water from the leaves of a plant
competition
a contest between organisms for food, territory, or other resources
population
all members of a species living in the same environment
basic needs
the things an organism needs to live such as water, air, food, and shelter
basic
pH > 7
acid
a chemical compound which is soluble in water, tastes sour and turns blue litmus paper pink. Acids neutralize bases.
environmental engineer
Someone concerned with solving problems with air, water, soil, and the natural environment.
pH test
a test for acidity
pH scale
pH is a number from 0 to 14. From 0 to 7 are acids, with 0 being the strongest.
neutral
pH of 7
model
the act of representing something (usually on a smaller scale)
human impact
the effect humans have on the environment
pollution
any contamination of air, soil, water and environment
paleontologist
the study of fossils
botanist
scientist who studies plants
geneticist
a person who studies genetics
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