Biology

A collection of organisms that belong to different populations but all live in the same area and interact with one another.

• Population
• Ecosystem
• Community
• Ecosphere

Barnacles grow on whales.  Whales give the barnacles a place to live but the barnacles do not help or harm the whale.  Which type of relationship is this?

• commensalism
• mutualism
• parasitiesm

An oxpecker bird eats ticks off of a zebra.  The bird gets food from eating the ticks and the zebra has harmful parasites removed.  Which type of symbiosis is this?

• mutualism
• parasitism
• commensalism

the scientific study of how organisms interact with their environment and all the other organisms that live in that environment

• biotic factor

• food chain

• ecosystem

• ecology

What layer of the earth is made of liquid magma?

• innner core

• mantle

• crust

• outer core

solid combination of one or more minerals found in the earth’s crust

• rock
• mineral
• ore
• natural gas

type of rock made of sediments - organic remains and particles of weathered and eroded rocks

• sedimentary
• igneous
• metamorphic
• this doesn't apply to any rocks

forms when an existing rock is subjected to high temperatures or high pressures

• sedimentary
• igneous
• metamorphic
• this doesn't apply to any rocks

The system that contains all living things on Earth.

• Biosphere

• Atmoshpere

• Hydrosphere

• Geosphere

_______is not a freshwater source

• River

• Lake

• Glacier

• Ocean