something that produces food for itself
What is a producer?
Any living thing that feeds on the waste of dead bodies of other living things.
What is a decomposer?
Two basic types of ecosystems are...
What are terrestrial and aquatic ecosystems?
Another name for water cycle
What is the hydrologic cycle?
The number of live births per 1,000 people in a population in a given year is called
crude birth rate
Represents the natural cycle in which nitrogen in the air is used by plants and animals, and is released into the air again.
What is the nitrogen cycle?
This occurs when leaves from the trees and other vegetation give off water vapor through pores in their leaves.
What is transpiration?
The number of death per 1,000 people in a population in a given year is called
crude death rate
These types of ecosystems include diverse types of fish, amphibians, turtles, and beavers.
What are lakes and ponds?
any animal that feeds mainly on plants; plant-eater
What is a herbivore?
A relationship when one organism lives on or in another for nourishment.
What is parasitism?
A Living thing
What is an organism?
Another word form any form of water that falls from the sky.
What is Precipitation?
As countries become more industrialized and economically developed, their populations tend to grow more slowly, this is called
demographic transition
Organisms that take in Carbon Dioxide
What are plants?
bacteria, fungi, worms, ants, beetles, sow bugs
What are some examples of decomposers?
The arrows in a food chain and food web represent....
What is the flow of energy?
Three types of organisms in an ecosystem.
What are producers, consumers, and decomposers?
This is a series of continuous interactions between water (matter) and the Sun's energy.
What is the Water Cycle?
The movement of people into a country is called
immigration
How Carbon gets cycled back into the earth
What is through decomposers?
An organism that eats meat
What is a Carnivore
Plants use this process to turn light into chemical energy
What is photosynthesis
Energy from this is the driving force for most biotic and abiotic cycles on the surface of the Earth.
What is the Sun?
Life expectancy is
how long someone is expected to live
Plants and animals use nitrates for this reason
What is to create the proteins they need to live and grow?
An organism that eats plants and animals
What is an Omnivore?
All energy flow flows in this.
What is a food or web pyramid?
All the populations living in one place ?
What is Community?
This is the process in which liquid water changes into invisible water vapor.
What is evaporation?
The number of babies out of every 1,000 born who die before their first birthday is called
infant mortality rate
People are upsetting the nitrogen cycle by building up too much nitrogen in this.
What is the air?
An organism that feeds on dead and decaying organisms
What are scavengers?
On the pyramid what is the organism that eats the producer called
What are primary consumers?
Long-term relationship between 2 different organisms.
What is symbiosis?
Water from precipitation that flows over land as surface water instead of being absorbed into the ground or evaporating.
What is runoff?
The average number of children that couples in a population must bear to replace themselves is called
Replacement-level fertility
Clouds are made up of these
What are water droplets and ice crystals?