Shared Flashcard Set

Details

Chapter 13
N/A
12
Science
7th Grade
10/15/2012

Additional Science Flashcards

 


 

Cards

Term

 

 

biotic

Definition

 

 

features of the enviroment that are alive or were once alive.

Term

 

 

abiotic

Definition

 

 

nonliving features of the enviroment

Term

 

 

climate

Definition

 

 

an area's average weather conditions

Term

 

 

watershed

 

 

 

 

Definition

 

 

an area of land from which rainwater and snowmelt run off toward a particular stream or river.

 

 

Term

 

 

Hypoxia

Definition

 

 

low oxygen in the water

Term

 

 

water cycle

Definition

 

 

a model that describes how water leaves the earth and then returns.

Term

 

 

nitrogen cycle

Definition

 

 

a model of the process of nitrogen transfering from air to soil to the organisms.

Term

 

 

carbon cycle

Definition

 

 

a model of the process of carbon going from the air to ground to plants to humans.

Term

 

 

estuary

 

 

 

Definition

 

 

a place where salt water from the ocean mizes with fresh water from river s and the land.

 

Term

 

 

Food web

Definition

 

 

a modelthat shows all the possible feeding relationships in a community.

Term

 

 

Energy pyramid

 

Definition

 

 

shows the amount of energy at each level of a food chain.

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