Vocab 3/20/15 Flashcards
Chimera
a single organism composed of genetically distinct cells.
Keystone species
A keystone species is a species that has a disproportionately large effect on its environment relative to its abundance.
Food web
a system of interlocking and interdependent food chains.
Food chain
1.
a hierarchical series of organisms each dependent on the next as a source of food.
Ecosystem
a biological community of interacting organisms and their physical environment.
Biotic
of, relating to, or resulting from living things, especially in their ecological relations.
Abiotic
physical rather than biological; not derived from living organisms.
Soft release
Putting an animal into the wild with some assistance and help
Autotrophs
Capture energy from sun to make food
Producers
Produce their own food
Photosynthesis
Capturing sun use light energy to convert c02 and water into oxygen and energy
Chemosynthesis
When organisms use chemical energy to produce carbohydrates
Heterotrophs
Rely on other organisms for energy
- people, dogs, etc
Herbivore
Eats only plants
- cows, caterpillars, deer
Omnivore
Eats other organisms and plants
Detrivites
Feeds on animal and plant remains
-earth worms, mites, snails, crabs
Decomposers
Breaks down organic matter
- bacteria, Fungi
Food chain
A series of steps in which organisms transfer energy by eating and being eaten.
Food web
Links all of the food chains in an ecosystem together
Tropic level
Each step in a food chain or food web
Carnivores
Eats animals
-dogs, snakes, owls