unit 4 vc
organism that can produce its own food
producer
part of Earth's surface formed naturally.
landform
give an example of a decomposer
earthworm, bacteria, fungi
is a canyon a valley?
yes, it's a valley with steep sides.
a large sheet of moving ice
glacier
consumer
flat land that spreads over a long distance
plain
list two ecosystems
desert, rainforest, mountain, ocean, tidal pool...
what makes a river dry up?
a drought
what do we call a home for animals
habitat
a number of the same organism living in a place
population
raised flat land formed by movement of tectonic plates
plateau
what is something natural that can negatively change an ecosystem?
beavers can cut tree and build dams leading to loss of habitat for other animals
list 3 landforms
plain, plateau, delta, mountain, valley, canyon...
euler's identity
all the populations interacting in a place
community
like lava but underground
magma
3000 zebra, 30 lions, 50 giraffes and 5000 acacia trees. how many populations are there in this community?
4
what are two ways that mountains are formed?
one plate pushes another up and volcanoes erupt and lava cools
what moves in a food chain?
energy
an environment and all of its interactions
ecosystem
the ONLY liquid layer of Earth
outer core - liquid metal
what goes in and what comes out during photosynthesis
CO2 , sunlight and water go in. oxygen and sugars come out
what is the difference between weathering and erosion?
WBEM weather is the breaking of rock by nature and erosion is the movement the broken rock by nature
if Mr. Jay stands in the sun, will he thaw?
no, he is not ice