Ecology Review

What is Ecology the study of?

Living things and the environment

What are two types of factors that impact ecosystems? (not about population growth)

biotic, abiotic

What does biotic mean?

living

What does abiotic mean?

non-living

What is biodiversity?

# of species in an environment

What is a keystone species?

a species that has a very large impact on the environment

Why are producers always the base of an ecosystem?

they produce their own energy using sunlight, have the most energy, biggest population

what is a detrivore?

eat dead, decaying things

omnivore

eat plants and animals, all things

herbivore

eat plants

carnivore

eat animals

decomposers

break down organics into smaller compounds

producers

bottom of the pyramid

primary consumers

on top of producers

secondary consumers

on top of primary consumers

tertiary consumers

on top of secondary consumers

exponential or logistic?

logistic

exponential or logistic?

exponential

What is carrying capacity?

the max amount of organisms an area can support

what is density dependent carrying capacity?

the # of individuals matters

what is density independent carrying capacity?

doesn’t rely on population

what is bio accumulation?

the build up of absorbed chemicals overtime in a singular organism

bio magnification

the increase in concentration of a chemical in the food chain

How much energy is lost between trophs?

~90%

What is a biome?

a major region or global community, characterized by climate conditions

What is an ecosystem?

all of the organisms, and the environment, in a given area.

What is a community?

All different species living in an area

What is a population?

A group of the same species living in the same area

What is an organism?

An individual living thing

What is a specialist?

An organism that eats specific item

What is a generalist?

An organism that eats a wide variety of organisms