Where all living things exist - land, water, and air.
The Biosphere
What is the original source for all the energy in world?
The Sun
A deer eats many types of grasses and some berries.
Herbivore
The process by which water changes from a liquid form to a gas is:
Evaporation
What is an organism that feeds on only plants called?
Herbivore
A group of organisms that can breed and produce fertile offspring.
Species
Heterotrophs in food webs are called _______. Autotrophs are called ________.
Consumers; Producers
Carnivore
The repeated movement of water between Earth's surface and the atmosphere is called the ____ _____.
Water Cycle
Web
All of the organisms that live in a particular place, and their nonliving environment.
Ecosystem
The main producers on land are _____. The main producers in water are _____.
Plants; algae
A lizard eats berries, leaves, insects, and tadpoles.
Omnivore
Energy flows _______ through an ecosystem.
One Way
An organism that makes its own food.
Producer or Autotroph
A group of ecosystems that have the same climate and similar plants and animals.
Each step in a food chain or web is called a _____ level.
Trophic
A whale eats small animals called krill.
Carnivore
Nutrients are _______ through an ecosystem.
Recycled.
The process of using light to produce energy.
Photosynthesis
The branch of biology dealing with interactions among organisms and between organisms and their environment.
Ecology
Organisms need nutrients in order to:
Carry out essential life functions.
A small fish eats small animals called zooplankton and eats sea kelp.
Omnivore
Name the three biogeochemical cycles we discussed in class.
Nitrogen
Water
Carbon
The process of using chemicals to produce energy.
Chemosynthesis