Science Chapter 3
Terms in this set (22)
A living part of an ecosystem.(Plants, animals, and bacteria)
A non-living part of an ecosystem.
(Water, soil, rocks and sunshine)
The study of ecosystems.
Is made up of both living and nonliving things in an environment. It is also a home to different populations.
Each organism in an ecosystem has its own place where it lives.
Includes all members of a species in an ecosystem.
includes all the populations in a certain ecosystem. (Butterflies and daisies can be part of the same community)
A large ecosystem with its own kind of plants, animals, and soil.
A dry, treeless biome where the ground is frozen year-round.
A cool, forest biome of conifers. It is also the largest biome in the world
A biome with many kinds of trees including oaks, maples, and hickories that loose their leaves each autumn.
Tropical Rain Forest
A biome that is hot and damp with large amounts of rain.
Parts of a forest
Canopy, Understory, and Floor
A biome where the main kind of plant is grasses. (Savannah and Prairie)
A barren biome with very little rainfall.
Plants, algae, and other organisms that use energy from the sun to make their own food. They are also found at the bottom of the energy pyramid.
An organism that cannot make its own food. (Omnivores, Carnivores, and Herbivores)
An organism that breaks down waste and the remains of other organisms into simpler substances. (Worms and Bacteria)
Where energy passes from one organism to another. (Energy flows from
Producer to Consumer to Decomposer)
Shows how all the food chains in an ecosystem are connected.
The struggle between organisms for food, water, and other needs.
Shows the amount of energy in an ecosystem. (Producers are found at the base)