(O)

Life cycle

(O)

Plants and animals undergo ____ _____.

(Ex: eggs grow to tadpoles, tadpoles become frogs and lay eggs).

(O)

Seeds

(O)

Plants start out as_____.  ______ grow into new plants that create new _______.

(O)

Water cycle

(O)

This _____ ______ is the movement of water from ground to air and back again.

(O)

Evaporation

(O)

Liquid to gas

(O)

Condensation

(O)

Gas to Liquid (cloud)

(O)

Precipitation

(O)

rain, hail, sleet, snow

(O)

Sun

(O)

The energy that drives thewater cycle comes from the _____.

(O)

Limited

(O)

Our water supply on earth is _______.

(O)

Pollution

(O)

_______ reduces the amount of water we can use, so we should conserve water carefully.

(O)

Water

(O)

______ is a simple compound necessary for life on earth.

(O)

Living cells

(O)

_______ are mostly water with chemicals needed for life dissolved in it.

(P)

Interdependency

(P)

Every living thing depends on every other living thing to survive. this is called _________.

(P)

Human actions

(P)

____ ______, such as polluting, can affect the survival of plants and animals.

(P)

Conservation

(P)

_______ is the careful use and perservation of our natural resources.

(P)

Reduce, reuse, recycle

(P)

Humans can help the earth and all living by practicing the three "R's"

(Q)

Natural Events

(Q)

_____ ____ such as fire, flood, diseases and erosion can affect the survival of plants and animal species.

(Q)

Humans

(Q)

_____ can also help the planet by resource renewal, managing habitats and monitoring (observing) animals.

(Q)

Resources renewal

(Q)

_____ _____ is coservation in which a certain species is protected.

Example: would be growing a threatened plant indoors until it is strong enough to plant out doors or protecting animals like bald eagles until they aro no longer endangered.