Unit Guide vocab Crossword

Study of interactions among living things and their surroundings
total dry mass of all organisms in a given area
Organism that has an unusually large effect on its ecosystem
Organism that is the first to live in a previously uninhabited area
Species that does not rely on a single source of prey
Environmental factor that limits the growth and size of a population
Collection of all the different populations that live in one area
Process by which one organism hunts and kills another organism for food
Consumer that eats only one type of organism
Ecological relationship in which one organism benefits by harming another organism
All organisms and part of Earth where they exist
Level of nourishment in a food chain
Average long-term weather pattern of a region
Organism that feeds on dead or decaying matter
Organism that obtains its energy and nutrients by eating other organisms
Detritivore that breaks down organic matter into simpler compounded retuning nutrients back into an ecosystem
Ecological relationship between two species in which each species gets a benefit from the interaction
Ecological relationship in which on species receives a benefit but the other species is not affected one way or another