Earth Science {Ecology, Solar System, Planet)

Ecology

relations and interactions between organisms and their environment and includes other organisms

Biotic

living factors

Abiotic

non-living factors necessary for living organisms

Population

number of organisms of same species in a particular area

Community

group of organisms/populations living in an area simultaneously

Ecosystem

includes all living organisms and its physical environment functioning together

Biome

classified according to plants and animals that live in it

Nebular Theory

formation of our solar system from nebula cloud made from a collection of dust and gas

Ptolemaic Theory

Earth lays at the center of the universe with the sun, moon, and known planets revolving around it

Copernican Theory

earth and planets rotates around the sun

Asteroid

rocky object that orbits the sun and has an average size between a meteoroid and a planet

Meteor

meteoroid that enters Earth’s atmosphere and burns up

Meteoroid

“space rock”—a relatively small object traveling through space, between the size of a grain of dust and a small asteroid

Meteorite

meteoroid, especially one that has hit Earth’s surface

Comet

object made mostly of ice and dust, often with a gas halo and tail, that sometimes orbits the sun.

Solar Eclipse

moon passes between earth and the sun (partially obscuring the earth’s view of sun)

Lunar Eclipse

full moon passes partially or wholly through the umbra of earth’s shadow

Earth is between the Sun and the Moon