Ecosystems
What is an ecosystem?
It includes all of the organisms and environmental factors in a certain area.
What is it when different organisms complete for the same resource?
competition
A producer and primary consumer are at the bottom of the food________.
chain
lichen, fungi, and moss are examples of?
pioneer species
What levels are the rain forest separated into?
forest floor
understory
canopy
emergents
What is the largest ecosystem in the world?
biosphere
give an example of cooperation
ex: monkeys hunting in teams to ensure success, animals warning one another about the presence of a predator.
Organisms use oxygen to burn sugar and release carbon dioxide through the process of ____________.
respiration
When an area has reached it's mature phase.
climax community
pollutants in the air such as sulfur and nitrogen oxide from automobile exhaust react with water in the atmosphere and produce acid rain.
living and once living parts
Mutualism, commensalism, and parasitism are all examples of what?
symbiosis
web
Forest of cone bearing, piney trees.
Greenhouse Effect
What are abiotic factors?
nonliving parts. ex-air, water, soil, sunlight, temperature, climate.
commensalism
Most energy enters the ecosystem through the process of_______.
photosynthesis
What is a deciduous tree?
trees that lose their leaves each year and located in temperate regions.
What are the three R's of conservation?
reduce, reuse, recycle
What is the study of relationships between organisms and their environments.
ecology
define mutualism
both species benefit from associating with one another.
grass, grasshopper, spider-2nd
Define temperate rain forest and tropical rain forest.
Temperate- receive a lot of rain, in temperate regions.
Tropical- located near the equator and hot with rain.
5 things that can be recycled.
plastic, metal, glass, paper, compost or organic matter.