habitat
system of living things and their environment
ecosystem
List the three main organs of a plant.
All energy in a food chain starts with ___.
the sun
useful material that can be drawn from when needed
resource
model that shows the flow of energy between living things
food chain
What organ holds the plant in place and absorbs water and minerals from the soil?
roots
What might come next in this food chain...
plant --> rabbit --> snake--> ???
owl, hawk, fox...
power needed to do work, such as staying alive
energy
a tangled system that includes every plant and animal in a habitat
food web
What is the job of the stem?
It transports water and minerals to be used in photosynthesis.
Name something that is a decomposer.
bacteria, fungi, insects, worms
action that tries to answer a question
investigation
noticing differences between characteristics of an object
observation
During photosynthesis, plants store energy from the sun as ____.
sugar
Besides living things and landforms, what can be considered part of the environment? Name three.
temperature
precipitation
pollution
a characteristic in which organisms change to survive in their environment
adaptation
the process that plants use to turn light energy into chemical energy
photosynthesis
What happens in the leaf during photosynthesis?
OR
Gases are exchanged and the sun's energy is turned into chemical energy.
Give three reasons decomposers are important.
They keep waste from building up.
They turn waste into nutrients for plants.
They help keep the balance of nature.