Interactions
Ecosystems
Rocks
DMV
The Earth's Layers
100
A relationship between two organisms where one benefits and the other is harmed is called...
parasitism
100
The source of most of the energy in an ecosystem is the...
Sun
100
The cracking and breaking of rocks due to wind and water.
erosion
100
A substance with a definite volume but no definite shape.
liquid
100
What is the liquid layer of the Earth called?
outer core
200
Eats only plants?
herbivore
200
This type of organism is living or was once alive.
biotic
200
The type of rock that is formed when heat and pressure changes a rock.
metamorphic
200
When a substance is heated, the motion of the molecules will increase or decrease???
increase
200
The coolest layer of the Earth is called the...
crust
300
A relationship involving two organisms that benefits both.
mutualism
300
Organisms that convert sunlight into sugar.
producers
300
This type of rock contains fossils and other particles.
sedimentary
300
What is it called when a gas turns to a liquid?
condensation
300
The solid center of the Earth.
inner core
400
Are humans herbivores, carnivores, or omnivores?
omnivores
400
What organisms consume dead plants and animals?
scavenger
400
This type of rock is formed when magma cools.
igneous
400
Describes how tightly molecules are packed inside an object.
density
400
Plate movement can cause earthquakes and...
volcanoes
500
One organism benefits and the other is unaffected???
commensalism
500
The process where plants create a major source of oxygen is called?
photosynthesis
500
Molten rock under the Earth's surface is called...
magma
500
Liquid turns to gas???
evaporation
500
The theory that large crustal plates move on the Earth's surface is called?
plate tectonics
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